Initial Commit

lib/tzlocal/LICENSE.txt

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lib/tzlocal/README.rst

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+tzlocal
+=======
+
+This Python module returns a `tzinfo` object with the local timezone information under Unix and Win-32.
+It requires `pytz`, and returns `pytz` `tzinfo` objects.
+
+This module attempts to fix a glaring hole in `pytz`, that there is no way to
+get the local timezone information, unless you know the zoneinfo name, and
+under several Linux distros that's hard or impossible to figure out.
+
+Also, with Windows different timezone system using pytz isn't of much use
+unless you separately configure the zoneinfo timezone name.
+
+With `tzlocal` you only need to call `get_localzone()` and you will get a
+`tzinfo` object with the local time zone info. On some Unices you will still
+not get to know what the timezone name is, but you don't need that when you
+have the tzinfo file. However, if the timezone name is readily available it
+will be used.
+
+
+Supported systems
+-----------------
+
+These are the systems that are in theory supported:
+
+ * Windows 2000 and later
+
+ * Any unix-like system with a /etc/localtime or /usr/local/etc/localtime
+
+If you have one of the above systems and it does not work, it's a bug.
+Please report it.
+
+
+Usage
+-----
+
+Load the local timezone:
+
+    >>> from tzlocal import get_localzone
+    >>> tz = get_localzone()
+    >>> tz
+    <DstTzInfo 'Europe/Warsaw' WMT+1:24:00 STD>
+
+Create a local datetime:
+
+    >>> from datetime import datetime
+    >>> dt = tz.localize(datetime.now())
+    >>> dt
+    datetime.datetime(2012, 9, 11, 14, 43, 42, 518871, tzinfo=<DstTzInfo 'Europe/Warsaw' CEST+2:00:00 DST>)
+
+Lookup another timezone with `pytz`:
+
+    >>> import pytz
+    >>> eastern = pytz.timezone('US/Eastern')
+
+Convert the datetime:
+
+    >>> dt.astimezone(eastern)
+    datetime.datetime(2012, 9, 11, 8, 43, 42, 518871, tzinfo=<DstTzInfo 'US/Eastern' EDT-1 day, 20:00:00 DST>)
+
+
+Maintainer
+----------
+
+* Lennart Regebro, regebro@gmail.com
+
+Contributors
+------------
+
+* Marc Van Olmen
+* Benjamen Meyer
+* Manuel Ebert
+* Xiaokun Zhu
+
+(Sorry if I forgot someone)
+
+License
+-------
+
+* CC0 1.0 Universal  http://creativecommons.org/publicdomain/zero/1.0/

lib/tzlocal/__init__.py

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+import sys
+if sys.platform == 'win32':
+    from tzlocal.win32 import get_localzone, reload_localzone
+elif 'darwin' in sys.platform:
+    from tzlocal.darwin import get_localzone, reload_localzone
+else:
+    from tzlocal.unix import get_localzone, reload_localzone

lib/tzlocal/darwin.py

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+from __future__ import with_statement
+import os
+import pytz
+
+_cache_tz = None
+
+def _get_localzone():
+    tzname = os.popen("systemsetup -gettimezone").read().replace("Time Zone: ", "").strip()
+    if not tzname or tzname not in pytz.all_timezones_set:
+        # link will be something like /usr/share/zoneinfo/America/Los_Angeles.
+        link = os.readlink("/etc/localtime")
+        tzname = link[link.rfind("zoneinfo/") + 9:]
+    return pytz.timezone(tzname)
+
+def get_localzone():
+    """Get the computers configured local timezone, if any."""
+    global _cache_tz
+    if _cache_tz is None:
+        _cache_tz = _get_localzone()
+    return _cache_tz
+
+def reload_localzone():
+    """Reload the cached localzone. You need to call this if the timezone has changed."""
+    global _cache_tz
+    _cache_tz = _get_localzone()
+    return _cache_tz
+

lib/tzlocal/tests.py

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+import sys
+import os
+from datetime import datetime
+import unittest
+import pytz
+import tzlocal.unix
+
+class TzLocalTests(unittest.TestCase):
+
+    def test_env(self):
+        tz_harare = tzlocal.unix._tz_from_env(':Africa/Harare')
+        self.assertEqual(tz_harare.zone, 'Africa/Harare')
+
+        # Some Unices allow this as well, so we must allow it:
+        tz_harare = tzlocal.unix._tz_from_env('Africa/Harare')
+        self.assertEqual(tz_harare.zone, 'Africa/Harare')
+
+        local_path = os.path.split(__file__)[0]
+        tz_local = tzlocal.unix._tz_from_env(':' + os.path.join(local_path, 'test_data', 'Harare'))
+        self.assertEqual(tz_local.zone, 'local')
+        # Make sure the local timezone is the same as the Harare one above.
+        # We test this with a past date, so that we don't run into future changes
+        # of the Harare timezone.
+        dt = datetime(2012, 1, 1, 5)
+        self.assertEqual(tz_harare.localize(dt), tz_local.localize(dt))
+
+        # Non-zoneinfo timezones are not supported in the TZ environment.
+        self.assertRaises(pytz.UnknownTimeZoneError, tzlocal.unix._tz_from_env, 'GMT+03:00')
+
+    def test_timezone(self):
+        # Most versions of Ubuntu
+        local_path = os.path.split(__file__)[0]
+        tz = tzlocal.unix._get_localzone(_root=os.path.join(local_path, 'test_data', 'timezone'))
+        self.assertEqual(tz.zone, 'Africa/Harare')
+
+    def test_zone_setting(self):
+        # A ZONE setting in /etc/sysconfig/clock, f ex CentOS
+        local_path = os.path.split(__file__)[0]
+        tz = tzlocal.unix._get_localzone(_root=os.path.join(local_path, 'test_data', 'zone_setting'))
+        self.assertEqual(tz.zone, 'Africa/Harare')
+
+    def test_timezone_setting(self):
+        # A ZONE setting in /etc/conf.d/clock, f ex Gentoo
+        local_path = os.path.split(__file__)[0]
+        tz = tzlocal.unix._get_localzone(_root=os.path.join(local_path, 'test_data', 'timezone_setting'))
+        self.assertEqual(tz.zone, 'Africa/Harare')
+
+    def test_only_localtime(self):
+        local_path = os.path.split(__file__)[0]
+        tz = tzlocal.unix._get_localzone(_root=os.path.join(local_path, 'test_data', 'localtime'))
+        self.assertEqual(tz.zone, 'local')
+        dt = datetime(2012, 1, 1, 5)
+        self.assertEqual(pytz.timezone('Africa/Harare').localize(dt), tz.localize(dt))
+
+if sys.platform == 'win32':
+
+    import tzlocal.win32
+    class TzWin32Tests(unittest.TestCase):
+
+        def test_win32(self):
+            tzlocal.win32.get_localzone()
+
+if __name__ == '__main__':
+    unittest.main()

lib/tzlocal/unix.py

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+from __future__ import with_statement
+import os
+import re
+import pytz
+
+_cache_tz = None
+
+def _tz_from_env(tzenv):
+    if tzenv[0] == ':':
+        tzenv = tzenv[1:]
+
+    # TZ specifies a file
+    if os.path.exists(tzenv):
+        with open(tzenv, 'rb') as tzfile:
+            return pytz.tzfile.build_tzinfo('local', tzfile)
+
+    # TZ specifies a zoneinfo zone.
+    try:
+        tz = pytz.timezone(tzenv)
+        # That worked, so we return this:
+        return tz
+    except pytz.UnknownTimeZoneError:
+        raise pytz.UnknownTimeZoneError(
+            "tzlocal() does not support non-zoneinfo timezones like %s. \n"
+            "Please use a timezone in the form of Continent/City")
+
+def _get_localzone(_root='/'):
+    """Tries to find the local timezone configuration.
+
+    This method prefers finding the timezone name and passing that to pytz,
+    over passing in the localtime file, as in the later case the zoneinfo
+    name is unknown.
+
+    The parameter _root makes the function look for files like /etc/localtime
+    beneath the _root directory. This is primarily used by the tests.
+    In normal usage you call the function without parameters."""
+
+    tzenv = os.environ.get('TZ')
+    if tzenv:
+        try:
+            return _tz_from_env(tzenv)
+        except pytz.UnknownTimeZoneError:
+            pass
+
+    # Now look for distribution specific configuration files
+    # that contain the timezone name.
+    tzpath = os.path.join(_root, 'etc/timezone')
+    if os.path.exists(tzpath):
+        with open(tzpath, 'rb') as tzfile:
+            data = tzfile.read()
+
+            # Issue #3 was that /etc/timezone was a zoneinfo file.
+            # That's a misconfiguration, but we need to handle it gracefully:
+            if data[:5] != 'TZif2':
+                etctz = data.strip().decode()
+                # Get rid of host definitions and comments:
+                if ' ' in etctz:
+                    etctz, dummy = etctz.split(' ', 1)
+                if '#' in etctz:
+                    etctz, dummy = etctz.split('#', 1)
+                return pytz.timezone(etctz.replace(' ', '_'))
+
+    # CentOS has a ZONE setting in /etc/sysconfig/clock,
+    # OpenSUSE has a TIMEZONE setting in /etc/sysconfig/clock and
+    # Gentoo has a TIMEZONE setting in /etc/conf.d/clock
+    # We look through these files for a timezone:
+
+    zone_re = re.compile('\s*ZONE\s*=\s*\"')
+    timezone_re = re.compile('\s*TIMEZONE\s*=\s*\"')
+    end_re = re.compile('\"')
+
+    for filename in ('etc/sysconfig/clock', 'etc/conf.d/clock'):
+        tzpath = os.path.join(_root, filename)
+        if not os.path.exists(tzpath):
+            continue
+        with open(tzpath, 'rt') as tzfile:
+            data = tzfile.readlines()
+
+        for line in data:
+            # Look for the ZONE= setting.
+            match = zone_re.match(line)
+            if match is None:
+                # No ZONE= setting. Look for the TIMEZONE= setting.
+                match = timezone_re.match(line)
+            if match is not None:
+                # Some setting existed
+                line = line[match.end():]
+                etctz = line[:end_re.search(line).start()]
+
+                # We found a timezone
+                return pytz.timezone(etctz.replace(' ', '_'))
+
+    # No explicit setting existed. Use localtime
+    for filename in ('etc/localtime', 'usr/local/etc/localtime'):
+        tzpath = os.path.join(_root, filename)
+
+        if not os.path.exists(tzpath):
+            continue
+        with open(tzpath, 'rb') as tzfile:
+            return pytz.tzfile.build_tzinfo('local', tzfile)
+
+    raise pytz.UnknownTimeZoneError('Can not find any timezone configuration')
+
+def get_localzone():
+    """Get the computers configured local timezone, if any."""
+    global _cache_tz
+    if _cache_tz is None:
+        _cache_tz = _get_localzone()
+    return _cache_tz
+
+def reload_localzone():
+    """Reload the cached localzone. You need to call this if the timezone has changed."""
+    global _cache_tz
+    _cache_tz = _get_localzone()
+    return _cache_tz

lib/tzlocal/win32.py

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+try:
+    import _winreg as winreg
+except ImportError:
+    import winreg
+
+from tzlocal.windows_tz import win_tz
+import pytz
+
+_cache_tz = None
+
+def valuestodict(key):
+    """Convert a registry key's values to a dictionary."""
+    dict = {}
+    size = winreg.QueryInfoKey(key)[1]
+    for i in range(size):
+        data = winreg.EnumValue(key, i)
+        dict[data[0]] = data[1]
+    return dict
+
+def get_localzone_name():
+    # Windows is special. It has unique time zone names (in several
+    # meanings of the word) available, but unfortunately, they can be
+    # translated to the language of the operating system, so we need to
+    # do a backwards lookup, by going through all time zones and see which
+    # one matches.
+    handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
+
+    TZLOCALKEYNAME = r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation"
+    localtz = winreg.OpenKey(handle, TZLOCALKEYNAME)
+    keyvalues = valuestodict(localtz)
+    localtz.Close()
+    if 'TimeZoneKeyName' in keyvalues:
+        # Windows 7 (and Vista?)
+
+        # For some reason this returns a string with loads of NUL bytes at
+        # least on some systems. I don't know if this is a bug somewhere, I
+        # just work around it.
+        tzkeyname = keyvalues['TimeZoneKeyName'].split('\x00', 1)[0]
+    else:
+        # Windows 2000 or XP
+
+        # This is the localized name:
+        tzwin = keyvalues['StandardName']
+
+        # Open the list of timezones to look up the real name:
+        TZKEYNAME = r"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones"
+        tzkey = winreg.OpenKey(handle, TZKEYNAME)
+
+        # Now, match this value to Time Zone information
+        tzkeyname = None
+        for i in range(winreg.QueryInfoKey(tzkey)[0]):
+            subkey = winreg.EnumKey(tzkey, i)
+            sub = winreg.OpenKey(tzkey, subkey)
+            data = valuestodict(sub)
+            sub.Close()
+            try:
+                if data['Std'] == tzwin:
+                    tzkeyname = subkey
+                    break
+            except KeyError:
+                # This timezone didn't have proper configuration.
+                # Ignore it.
+                pass
+
+        tzkey.Close()
+        handle.Close()
+
+    if tzkeyname is None:
+        raise LookupError('Can not find Windows timezone configuration')
+
+    timezone = win_tz.get(tzkeyname)
+    if timezone is None:
+        # Nope, that didn't work. Try adding "Standard Time",
+        # it seems to work a lot of times:
+        timezone = win_tz.get(tzkeyname + " Standard Time")
+
+    # Return what we have.
+    if timezone is None:
+        raise pytz.UnknownTimeZoneError('Can not find timezone ' + tzkeyname)
+
+    return timezone
+
+def get_localzone():
+    """Returns the zoneinfo-based tzinfo object that matches the Windows-configured timezone."""
+    global _cache_tz
+    if _cache_tz is None:
+        _cache_tz = pytz.timezone(get_localzone_name())
+    return _cache_tz
+
+def reload_localzone():
+    """Reload the cached localzone. You need to call this if the timezone has changed."""
+    global _cache_tz
+    _cache_tz = pytz.timezone(get_localzone_name())

lib/tzlocal/windows_tz.py

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+# This file is autogenerated by the get_windows_info.py script
+# Do not edit.
+win_tz = {'AUS Central Standard Time': 'Australia/Darwin',
+ 'AUS Eastern Standard Time': 'Australia/Sydney',
+ 'Afghanistan Standard Time': 'Asia/Kabul',
+ 'Alaskan Standard Time': 'America/Anchorage',
+ 'Arab Standard Time': 'Asia/Riyadh',
+ 'Arabian Standard Time': 'Asia/Dubai',
+ 'Arabic Standard Time': 'Asia/Baghdad',
+ 'Argentina Standard Time': 'America/Buenos_Aires',
+ 'Atlantic Standard Time': 'America/Halifax',
+ 'Azerbaijan Standard Time': 'Asia/Baku',
+ 'Azores Standard Time': 'Atlantic/Azores',
+ 'Bahia Standard Time': 'America/Bahia',
+ 'Bangladesh Standard Time': 'Asia/Dhaka',
+ 'Belarus Standard Time': 'Europe/Minsk',
+ 'Canada Central Standard Time': 'America/Regina',
+ 'Cape Verde Standard Time': 'Atlantic/Cape_Verde',
+ 'Caucasus Standard Time': 'Asia/Yerevan',
+ 'Cen. Australia Standard Time': 'Australia/Adelaide',
+ 'Central America Standard Time': 'America/Guatemala',
+ 'Central Asia Standard Time': 'Asia/Almaty',
+ 'Central Brazilian Standard Time': 'America/Cuiaba',
+ 'Central Europe Standard Time': 'Europe/Budapest',
+ 'Central European Standard Time': 'Europe/Warsaw',
+ 'Central Pacific Standard Time': 'Pacific/Guadalcanal',
+ 'Central Standard Time': 'America/Chicago',
+ 'Central Standard Time (Mexico)': 'America/Mexico_City',
+ 'China Standard Time': 'Asia/Shanghai',
+ 'Dateline Standard Time': 'Etc/GMT+12',
+ 'E. Africa Standard Time': 'Africa/Nairobi',
+ 'E. Australia Standard Time': 'Australia/Brisbane',
+ 'E. South America Standard Time': 'America/Sao_Paulo',
+ 'Eastern Standard Time': 'America/New_York',
+ 'Egypt Standard Time': 'Africa/Cairo',
+ 'Ekaterinburg Standard Time': 'Asia/Yekaterinburg',
+ 'FLE Standard Time': 'Europe/Kiev',
+ 'Fiji Standard Time': 'Pacific/Fiji',
+ 'GMT Standard Time': 'Europe/London',
+ 'GTB Standard Time': 'Europe/Bucharest',
+ 'Georgian Standard Time': 'Asia/Tbilisi',
+ 'Greenland Standard Time': 'America/Godthab',
+ 'Greenwich Standard Time': 'Atlantic/Reykjavik',
+ 'Hawaiian Standard Time': 'Pacific/Honolulu',
+ 'India Standard Time': 'Asia/Calcutta',
+ 'Iran Standard Time': 'Asia/Tehran',
+ 'Israel Standard Time': 'Asia/Jerusalem',
+ 'Jordan Standard Time': 'Asia/Amman',
+ 'Kaliningrad Standard Time': 'Europe/Kaliningrad',
+ 'Korea Standard Time': 'Asia/Seoul',
+ 'Libya Standard Time': 'Africa/Tripoli',
+ 'Line Islands Standard Time': 'Pacific/Kiritimati',
+ 'Magadan Standard Time': 'Asia/Magadan',
+ 'Mauritius Standard Time': 'Indian/Mauritius',
+ 'Middle East Standard Time': 'Asia/Beirut',
+ 'Montevideo Standard Time': 'America/Montevideo',
+ 'Morocco Standard Time': 'Africa/Casablanca',
+ 'Mountain Standard Time': 'America/Denver',
+ 'Mountain Standard Time (Mexico)': 'America/Chihuahua',
+ 'Myanmar Standard Time': 'Asia/Rangoon',
+ 'N. Central Asia Standard Time': 'Asia/Novosibirsk',
+ 'Namibia Standard Time': 'Africa/Windhoek',
+ 'Nepal Standard Time': 'Asia/Katmandu',
+ 'New Zealand Standard Time': 'Pacific/Auckland',
+ 'Newfoundland Standard Time': 'America/St_Johns',
+ 'North Asia East Standard Time': 'Asia/Irkutsk',
+ 'North Asia Standard Time': 'Asia/Krasnoyarsk',
+ 'Pacific SA Standard Time': 'America/Santiago',
+ 'Pacific Standard Time': 'America/Los_Angeles',
+ 'Pacific Standard Time (Mexico)': 'America/Santa_Isabel',
+ 'Pakistan Standard Time': 'Asia/Karachi',
+ 'Paraguay Standard Time': 'America/Asuncion',
+ 'Romance Standard Time': 'Europe/Paris',
+ 'Russia Time Zone 10': 'Asia/Srednekolymsk',
+ 'Russia Time Zone 11': 'Asia/Kamchatka',
+ 'Russia Time Zone 3': 'Europe/Samara',
+ 'Russian Standard Time': 'Europe/Moscow',
+ 'SA Eastern Standard Time': 'America/Cayenne',
+ 'SA Pacific Standard Time': 'America/Bogota',
+ 'SA Western Standard Time': 'America/La_Paz',
+ 'SE Asia Standard Time': 'Asia/Bangkok',
+ 'Samoa Standard Time': 'Pacific/Apia',
+ 'Singapore Standard Time': 'Asia/Singapore',
+ 'South Africa Standard Time': 'Africa/Johannesburg',
+ 'Sri Lanka Standard Time': 'Asia/Colombo',
+ 'Syria Standard Time': 'Asia/Damascus',
+ 'Taipei Standard Time': 'Asia/Taipei',
+ 'Tasmania Standard Time': 'Australia/Hobart',
+ 'Tokyo Standard Time': 'Asia/Tokyo',
+ 'Tonga Standard Time': 'Pacific/Tongatapu',
+ 'Turkey Standard Time': 'Europe/Istanbul',
+ 'US Eastern Standard Time': 'America/Indianapolis',
+ 'US Mountain Standard Time': 'America/Phoenix',
+ 'UTC': 'Etc/GMT',
+ 'UTC+12': 'Etc/GMT-12',
+ 'UTC-02': 'Etc/GMT+2',
+ 'UTC-11': 'Etc/GMT+11',
+ 'Ulaanbaatar Standard Time': 'Asia/Ulaanbaatar',
+ 'Venezuela Standard Time': 'America/Caracas',
+ 'Vladivostok Standard Time': 'Asia/Vladivostok',
+ 'W. Australia Standard Time': 'Australia/Perth',
+ 'W. Central Africa Standard Time': 'Africa/Lagos',
+ 'W. Europe Standard Time': 'Europe/Berlin',
+ 'West Asia Standard Time': 'Asia/Tashkent',
+ 'West Pacific Standard Time': 'Pacific/Port_Moresby',
+ 'Yakutsk Standard Time': 'Asia/Yakutsk'}
+
+# Old name for the win_tz variable:
+tz_names = win_tz
+
+tz_win = {'Africa/Abidjan': 'Greenwich Standard Time',
+ 'Africa/Accra': 'Greenwich Standard Time',
+ 'Africa/Addis_Ababa': 'E. Africa Standard Time',
+ 'Africa/Algiers': 'W. Central Africa Standard Time',
+ 'Africa/Asmera': 'E. Africa Standard Time',
+ 'Africa/Bamako': 'Greenwich Standard Time',
+ 'Africa/Bangui': 'W. Central Africa Standard Time',
+ 'Africa/Banjul': 'Greenwich Standard Time',
+ 'Africa/Bissau': 'Greenwich Standard Time',
+ 'Africa/Blantyre': 'South Africa Standard Time',
+ 'Africa/Brazzaville': 'W. Central Africa Standard Time',
+ 'Africa/Bujumbura': 'South Africa Standard Time',
+ 'Africa/Cairo': 'Egypt Standard Time',
+ 'Africa/Casablanca': 'Morocco Standard Time',
+ 'Africa/Ceuta': 'Romance Standard Time',
+ 'Africa/Conakry': 'Greenwich Standard Time',
+ 'Africa/Dakar': 'Greenwich Standard Time',
+ 'Africa/Dar_es_Salaam': 'E. Africa Standard Time',
+ 'Africa/Djibouti': 'E. Africa Standard Time',
+ 'Africa/Douala': 'W. Central Africa Standard Time',
+ 'Africa/El_Aaiun': 'Morocco Standard Time',
+ 'Africa/Freetown': 'Greenwich Standard Time',
+ 'Africa/Gaborone': 'South Africa Standard Time',
+ 'Africa/Harare': 'South Africa Standard Time',
+ 'Africa/Johannesburg': 'South Africa Standard Time',
+ 'Africa/Juba': 'E. Africa Standard Time',
+ 'Africa/Kampala': 'E. Africa Standard Time',
+ 'Africa/Khartoum': 'E. Africa Standard Time',
+ 'Africa/Kigali': 'South Africa Standard Time',
+ 'Africa/Kinshasa': 'W. Central Africa Standard Time',
+ 'Africa/Lagos': 'W. Central Africa Standard Time',
+ 'Africa/Libreville': 'W. Central Africa Standard Time',
+ 'Africa/Lome': 'Greenwich Standard Time',
+ 'Africa/Luanda': 'W. Central Africa Standard Time',
+ 'Africa/Lubumbashi': 'South Africa Standard Time',
+ 'Africa/Lusaka': 'South Africa Standard Time',
+ 'Africa/Malabo': 'W. Central Africa Standard Time',
+ 'Africa/Maputo': 'South Africa Standard Time',
+ 'Africa/Maseru': 'South Africa Standard Time',
+ 'Africa/Mbabane': 'South Africa Standard Time',
+ 'Africa/Mogadishu': 'E. Africa Standard Time',
+ 'Africa/Monrovia': 'Greenwich Standard Time',
+ 'Africa/Nairobi': 'E. Africa Standard Time',
+ 'Africa/Ndjamena': 'W. Central Africa Standard Time',
+ 'Africa/Niamey': 'W. Central Africa Standard Time',
+ 'Africa/Nouakchott': 'Greenwich Standard Time',
+ 'Africa/Ouagadougou': 'Greenwich Standard Time',
+ 'Africa/Porto-Novo': 'W. Central Africa Standard Time',
+ 'Africa/Sao_Tome': 'Greenwich Standard Time',
+ 'Africa/Tripoli': 'Libya Standard Time',
+ 'Africa/Tunis': 'W. Central Africa Standard Time',
+ 'Africa/Windhoek': 'Namibia Standard Time',
+ 'America/Anchorage': 'Alaskan Standard Time',
+ 'America/Anguilla': 'SA Western Standard Time',
+ 'America/Antigua': 'SA Western Standard Time',
+ 'America/Araguaina': 'SA Eastern Standard Time',
+ 'America/Argentina/La_Rioja': 'Argentina Standard Time',
+ 'America/Argentina/Rio_Gallegos': 'Argentina Standard Time',
+ 'America/Argentina/Salta': 'Argentina Standard Time',
+ 'America/Argentina/San_Juan': 'Argentina Standard Time',
+ 'America/Argentina/San_Luis': 'Argentina Standard Time',
+ 'America/Argentina/Tucuman': 'Argentina Standard Time',
+ 'America/Argentina/Ushuaia': 'Argentina Standard Time',
+ 'America/Aruba': 'SA Western Standard Time',
+ 'America/Asuncion': 'Paraguay Standard Time',
+ 'America/Bahia': 'Bahia Standard Time',
+ 'America/Bahia_Banderas': 'Central Standard Time (Mexico)',
+ 'America/Barbados': 'SA Western Standard Time',
+ 'America/Belem': 'SA Eastern Standard Time',
+ 'America/Belize': 'Central America Standard Time',
+ 'America/Blanc-Sablon': 'SA Western Standard Time',
+ 'America/Boa_Vista': 'SA Western Standard Time',
+ 'America/Bogota': 'SA Pacific Standard Time',
+ 'America/Boise': 'Mountain Standard Time',
+ 'America/Buenos_Aires': 'Argentina Standard Time',
+ 'America/Cambridge_Bay': 'Mountain Standard Time',
+ 'America/Campo_Grande': 'Central Brazilian Standard Time',
+ 'America/Cancun': 'Central Standard Time (Mexico)',
+ 'America/Caracas': 'Venezuela Standard Time',
+ 'America/Catamarca': 'Argentina Standard Time',
+ 'America/Cayenne': 'SA Eastern Standard Time',
+ 'America/Cayman': 'SA Pacific Standard Time',
+ 'America/Chicago': 'Central Standard Time',
+ 'America/Chihuahua': 'Mountain Standard Time (Mexico)',
+ 'America/Coral_Harbour': 'SA Pacific Standard Time',
+ 'America/Cordoba': 'Argentina Standard Time',
+ 'America/Costa_Rica': 'Central America Standard Time',
+ 'America/Creston': 'US Mountain Standard Time',
+ 'America/Cuiaba': 'Central Brazilian Standard Time',
+ 'America/Curacao': 'SA Western Standard Time',
+ 'America/Danmarkshavn': 'UTC',
+ 'America/Dawson': 'Pacific Standard Time',
+ 'America/Dawson_Creek': 'US Mountain Standard Time',
+ 'America/Denver': 'Mountain Standard Time',
+ 'America/Detroit': 'Eastern Standard Time',
+ 'America/Dominica': 'SA Western Standard Time',
+ 'America/Edmonton': 'Mountain Standard Time',
+ 'America/Eirunepe': 'SA Pacific Standard Time',
+ 'America/El_Salvador': 'Central America Standard Time',
+ 'America/Fortaleza': 'SA Eastern Standard Time',
+ 'America/Glace_Bay': 'Atlantic Standard Time',
+ 'America/Godthab': 'Greenland Standard Time',
+ 'America/Goose_Bay': 'Atlantic Standard Time',
+ 'America/Grand_Turk': 'SA Western Standard Time',
+ 'America/Grenada': 'SA Western Standard Time',
+ 'America/Guadeloupe': 'SA Western Standard Time',
+ 'America/Guatemala': 'Central America Standard Time',
+ 'America/Guayaquil': 'SA Pacific Standard Time',
+ 'America/Guyana': 'SA Western Standard Time',
+ 'America/Halifax': 'Atlantic Standard Time',
+ 'America/Havana': 'Eastern Standard Time',
+ 'America/Hermosillo': 'US Mountain Standard Time',
+ 'America/Indiana/Knox': 'Central Standard Time',
+ 'America/Indiana/Marengo': 'US Eastern Standard Time',
+ 'America/Indiana/Petersburg': 'Eastern Standard Time',
+ 'America/Indiana/Tell_City': 'Central Standard Time',
+ 'America/Indiana/Vevay': 'US Eastern Standard Time',
+ 'America/Indiana/Vincennes': 'Eastern Standard Time',
+ 'America/Indiana/Winamac': 'Eastern Standard Time',
+ 'America/Indianapolis': 'US Eastern Standard Time',
+ 'America/Inuvik': 'Mountain Standard Time',
+ 'America/Iqaluit': 'Eastern Standard Time',
+ 'America/Jamaica': 'SA Pacific Standard Time',
+ 'America/Jujuy': 'Argentina Standard Time',
+ 'America/Juneau': 'Alaskan Standard Time',
+ 'America/Kentucky/Monticello': 'Eastern Standard Time',
+ 'America/Kralendijk': 'SA Western Standard Time',
+ 'America/La_Paz': 'SA Western Standard Time',
+ 'America/Lima': 'SA Pacific Standard Time',
+ 'America/Los_Angeles': 'Pacific Standard Time',
+ 'America/Louisville': 'Eastern Standard Time',
+ 'America/Lower_Princes': 'SA Western Standard Time',
+ 'America/Maceio': 'SA Eastern Standard Time',
+ 'America/Managua': 'Central America Standard Time',
+ 'America/Manaus': 'SA Western Standard Time',
+ 'America/Marigot': 'SA Western Standard Time',
+ 'America/Martinique': 'SA Western Standard Time',
+ 'America/Matamoros': 'Central Standard Time',
+ 'America/Mazatlan': 'Mountain Standard Time (Mexico)',
+ 'America/Mendoza': 'Argentina Standard Time',
+ 'America/Menominee': 'Central Standard Time',
+ 'America/Merida': 'Central Standard Time (Mexico)',
+ 'America/Mexico_City': 'Central Standard Time (Mexico)',
+ 'America/Moncton': 'Atlantic Standard Time',
+ 'America/Monterrey': 'Central Standard Time (Mexico)',
+ 'America/Montevideo': 'Montevideo Standard Time',
+ 'America/Montreal': 'Eastern Standard Time',
+ 'America/Montserrat': 'SA Western Standard Time',
+ 'America/Nassau': 'Eastern Standard Time',
+ 'America/New_York': 'Eastern Standard Time',
+ 'America/Nipigon': 'Eastern Standard Time',
+ 'America/Nome': 'Alaskan Standard Time',
+ 'America/Noronha': 'UTC-02',
+ 'America/North_Dakota/Beulah': 'Central Standard Time',
+ 'America/North_Dakota/Center': 'Central Standard Time',
+ 'America/North_Dakota/New_Salem': 'Central Standard Time',
+ 'America/Ojinaga': 'Mountain Standard Time',
+ 'America/Panama': 'SA Pacific Standard Time',
+ 'America/Pangnirtung': 'Eastern Standard Time',
+ 'America/Paramaribo': 'SA Eastern Standard Time',
+ 'America/Phoenix': 'US Mountain Standard Time',
+ 'America/Port-au-Prince': 'Eastern Standard Time',
+ 'America/Port_of_Spain': 'SA Western Standard Time',
+ 'America/Porto_Velho': 'SA Western Standard Time',
+ 'America/Puerto_Rico': 'SA Western Standard Time',
+ 'America/Rainy_River': 'Central Standard Time',
+ 'America/Rankin_Inlet': 'Central Standard Time',
+ 'America/Recife': 'SA Eastern Standard Time',
+ 'America/Regina': 'Canada Central Standard Time',
+ 'America/Resolute': 'Central Standard Time',
+ 'America/Rio_Branco': 'SA Pacific Standard Time',
+ 'America/Santa_Isabel': 'Pacific Standard Time (Mexico)',
+ 'America/Santarem': 'SA Eastern Standard Time',
+ 'America/Santiago': 'Pacific SA Standard Time',
+ 'America/Santo_Domingo': 'SA Western Standard Time',
+ 'America/Sao_Paulo': 'E. South America Standard Time',
+ 'America/Scoresbysund': 'Azores Standard Time',
+ 'America/Sitka': 'Alaskan Standard Time',
+ 'America/St_Barthelemy': 'SA Western Standard Time',
+ 'America/St_Johns': 'Newfoundland Standard Time',
+ 'America/St_Kitts': 'SA Western Standard Time',
+ 'America/St_Lucia': 'SA Western Standard Time',
+ 'America/St_Thomas': 'SA Western Standard Time',
+ 'America/St_Vincent': 'SA Western Standard Time',
+ 'America/Swift_Current': 'Canada Central Standard Time',
+ 'America/Tegucigalpa': 'Central America Standard Time',
+ 'America/Thule': 'Atlantic Standard Time',
+ 'America/Thunder_Bay': 'Eastern Standard Time',
+ 'America/Tijuana': 'Pacific Standard Time',
+ 'America/Toronto': 'Eastern Standard Time',
+ 'America/Tortola': 'SA Western Standard Time',
+ 'America/Vancouver': 'Pacific Standard Time',
+ 'America/Whitehorse': 'Pacific Standard Time',
+ 'America/Winnipeg': 'Central Standard Time',
+ 'America/Yakutat': 'Alaskan Standard Time',
+ 'America/Yellowknife': 'Mountain Standard Time',
+ 'Antarctica/Casey': 'W. Australia Standard Time',
+ 'Antarctica/Davis': 'SE Asia Standard Time',
+ 'Antarctica/DumontDUrville': 'West Pacific Standard Time',
+ 'Antarctica/Macquarie': 'Central Pacific Standard Time',
+ 'Antarctica/Mawson': 'West Asia Standard Time',
+ 'Antarctica/McMurdo': 'New Zealand Standard Time',
+ 'Antarctica/Palmer': 'Pacific SA Standard Time',
+ 'Antarctica/Rothera': 'SA Eastern Standard Time',
+ 'Antarctica/Syowa': 'E. Africa Standard Time',
+ 'Antarctica/Vostok': 'Central Asia Standard Time',
+ 'Arctic/Longyearbyen': 'W. Europe Standard Time',
+ 'Asia/Aden': 'Arab Standard Time',
+ 'Asia/Almaty': 'Central Asia Standard Time',
+ 'Asia/Amman': 'Jordan Standard Time',
+ 'Asia/Anadyr': 'Russia Time Zone 11',
+ 'Asia/Aqtau': 'West Asia Standard Time',
+ 'Asia/Aqtobe': 'West Asia Standard Time',
+ 'Asia/Ashgabat': 'West Asia Standard Time',
+ 'Asia/Baghdad': 'Arabic Standard Time',
+ 'Asia/Bahrain': 'Arab Standard Time',
+ 'Asia/Baku': 'Azerbaijan Standard Time',
+ 'Asia/Bangkok': 'SE Asia Standard Time',
+ 'Asia/Beirut': 'Middle East Standard Time',
+ 'Asia/Bishkek': 'Central Asia Standard Time',
+ 'Asia/Brunei': 'Singapore Standard Time',
+ 'Asia/Calcutta': 'India Standard Time',
+ 'Asia/Chita': 'North Asia East Standard Time',
+ 'Asia/Choibalsan': 'Ulaanbaatar Standard Time',
+ 'Asia/Colombo': 'Sri Lanka Standard Time',
+ 'Asia/Damascus': 'Syria Standard Time',
+ 'Asia/Dhaka': 'Bangladesh Standard Time',
+ 'Asia/Dili': 'Tokyo Standard Time',
+ 'Asia/Dubai': 'Arabian Standard Time',
+ 'Asia/Dushanbe': 'West Asia Standard Time',
+ 'Asia/Hong_Kong': 'China Standard Time',
+ 'Asia/Hovd': 'SE Asia Standard Time',
+ 'Asia/Irkutsk': 'North Asia East Standard Time',
+ 'Asia/Jakarta': 'SE Asia Standard Time',
+ 'Asia/Jayapura': 'Tokyo Standard Time',
+ 'Asia/Jerusalem': 'Israel Standard Time',
+ 'Asia/Kabul': 'Afghanistan Standard Time',
+ 'Asia/Kamchatka': 'Russia Time Zone 11',
+ 'Asia/Karachi': 'Pakistan Standard Time',
+ 'Asia/Katmandu': 'Nepal Standard Time',
+ 'Asia/Khandyga': 'Yakutsk Standard Time',
+ 'Asia/Krasnoyarsk': 'North Asia Standard Time',
+ 'Asia/Kuala_Lumpur': 'Singapore Standard Time',
+ 'Asia/Kuching': 'Singapore Standard Time',
+ 'Asia/Kuwait': 'Arab Standard Time',
+ 'Asia/Macau': 'China Standard Time',
+ 'Asia/Magadan': 'Magadan Standard Time',
+ 'Asia/Makassar': 'Singapore Standard Time',
+ 'Asia/Manila': 'Singapore Standard Time',
+ 'Asia/Muscat': 'Arabian Standard Time',
+ 'Asia/Nicosia': 'GTB Standard Time',
+ 'Asia/Novokuznetsk': 'North Asia Standard Time',
+ 'Asia/Novosibirsk': 'N. Central Asia Standard Time',
+ 'Asia/Omsk': 'N. Central Asia Standard Time',
+ 'Asia/Oral': 'West Asia Standard Time',
+ 'Asia/Phnom_Penh': 'SE Asia Standard Time',
+ 'Asia/Pontianak': 'SE Asia Standard Time',
+ 'Asia/Pyongyang': 'Korea Standard Time',
+ 'Asia/Qatar': 'Arab Standard Time',
+ 'Asia/Qyzylorda': 'Central Asia Standard Time',
+ 'Asia/Rangoon': 'Myanmar Standard Time',
+ 'Asia/Riyadh': 'Arab Standard Time',
+ 'Asia/Saigon': 'SE Asia Standard Time',
+ 'Asia/Sakhalin': 'Vladivostok Standard Time',
+ 'Asia/Samarkand': 'West Asia Standard Time',
+ 'Asia/Seoul': 'Korea Standard Time',
+ 'Asia/Shanghai': 'China Standard Time',
+ 'Asia/Singapore': 'Singapore Standard Time',
+ 'Asia/Srednekolymsk': 'Russia Time Zone 10',
+ 'Asia/Taipei': 'Taipei Standard Time',
+ 'Asia/Tashkent': 'West Asia Standard Time',
+ 'Asia/Tbilisi': 'Georgian Standard Time',
+ 'Asia/Tehran': 'Iran Standard Time',
+ 'Asia/Thimphu': 'Bangladesh Standard Time',
+ 'Asia/Tokyo': 'Tokyo Standard Time',
+ 'Asia/Ulaanbaatar': 'Ulaanbaatar Standard Time',
+ 'Asia/Urumqi': 'Central Asia Standard Time',
+ 'Asia/Ust-Nera': 'Vladivostok Standard Time',
+ 'Asia/Vientiane': 'SE Asia Standard Time',
+ 'Asia/Vladivostok': 'Vladivostok Standard Time',
+ 'Asia/Yakutsk': 'Yakutsk Standard Time',
+ 'Asia/Yekaterinburg': 'Ekaterinburg Standard Time',
+ 'Asia/Yerevan': 'Caucasus Standard Time',
+ 'Atlantic/Azores': 'Azores Standard Time',
+ 'Atlantic/Bermuda': 'Atlantic Standard Time',
+ 'Atlantic/Canary': 'GMT Standard Time',
+ 'Atlantic/Cape_Verde': 'Cape Verde Standard Time',
+ 'Atlantic/Faeroe': 'GMT Standard Time',
+ 'Atlantic/Madeira': 'GMT Standard Time',
+ 'Atlantic/Reykjavik': 'Greenwich Standard Time',
+ 'Atlantic/South_Georgia': 'UTC-02',
+ 'Atlantic/St_Helena': 'Greenwich Standard Time',
+ 'Atlantic/Stanley': 'SA Eastern Standard Time',
+ 'Australia/Adelaide': 'Cen. Australia Standard Time',
+ 'Australia/Brisbane': 'E. Australia Standard Time',
+ 'Australia/Broken_Hill': 'Cen. Australia Standard Time',
+ 'Australia/Currie': 'Tasmania Standard Time',
+ 'Australia/Darwin': 'AUS Central Standard Time',
+ 'Australia/Hobart': 'Tasmania Standard Time',
+ 'Australia/Lindeman': 'E. Australia Standard Time',
+ 'Australia/Melbourne': 'AUS Eastern Standard Time',
+ 'Australia/Perth': 'W. Australia Standard Time',
+ 'Australia/Sydney': 'AUS Eastern Standard Time',
+ 'CST6CDT': 'Central Standard Time',
+ 'EST5EDT': 'Eastern Standard Time',
+ 'Etc/GMT': 'UTC',
+ 'Etc/GMT+1': 'Cape Verde Standard Time',
+ 'Etc/GMT+10': 'Hawaiian Standard Time',
+ 'Etc/GMT+11': 'UTC-11',
+ 'Etc/GMT+12': 'Dateline Standard Time',
+ 'Etc/GMT+2': 'UTC-02',
+ 'Etc/GMT+3': 'SA Eastern Standard Time',
+ 'Etc/GMT+4': 'SA Western Standard Time',
+ 'Etc/GMT+5': 'SA Pacific Standard Time',
+ 'Etc/GMT+6': 'Central America Standard Time',
+ 'Etc/GMT+7': 'US Mountain Standard Time',
+ 'Etc/GMT-1': 'W. Central Africa Standard Time',
+ 'Etc/GMT-10': 'West Pacific Standard Time',
+ 'Etc/GMT-11': 'Central Pacific Standard Time',
+ 'Etc/GMT-12': 'UTC+12',
+ 'Etc/GMT-13': 'Tonga Standard Time',
+ 'Etc/GMT-14': 'Line Islands Standard Time',
+ 'Etc/GMT-2': 'South Africa Standard Time',
+ 'Etc/GMT-3': 'E. Africa Standard Time',
+ 'Etc/GMT-4': 'Arabian Standard Time',
+ 'Etc/GMT-5': 'West Asia Standard Time',
+ 'Etc/GMT-6': 'Central Asia Standard Time',
+ 'Etc/GMT-7': 'SE Asia Standard Time',
+ 'Etc/GMT-8': 'Singapore Standard Time',
+ 'Etc/GMT-9': 'Tokyo Standard Time',
+ 'Etc/UTC': 'UTC',
+ 'Europe/Amsterdam': 'W. Europe Standard Time',
+ 'Europe/Andorra': 'W. Europe Standard Time',
+ 'Europe/Athens': 'GTB Standard Time',
+ 'Europe/Belgrade': 'Central Europe Standard Time',
+ 'Europe/Berlin': 'W. Europe Standard Time',
+ 'Europe/Bratislava': 'Central Europe Standard Time',
+ 'Europe/Brussels': 'Romance Standard Time',
+ 'Europe/Bucharest': 'GTB Standard Time',
+ 'Europe/Budapest': 'Central Europe Standard Time',
+ 'Europe/Busingen': 'W. Europe Standard Time',
+ 'Europe/Chisinau': 'GTB Standard Time',
+ 'Europe/Copenhagen': 'Romance Standard Time',
+ 'Europe/Dublin': 'GMT Standard Time',
+ 'Europe/Gibraltar': 'W. Europe Standard Time',
+ 'Europe/Guernsey': 'GMT Standard Time',
+ 'Europe/Helsinki': 'FLE Standard Time',
+ 'Europe/Isle_of_Man': 'GMT Standard Time',
+ 'Europe/Istanbul': 'Turkey Standard Time',
+ 'Europe/Jersey': 'GMT Standard Time',
+ 'Europe/Kaliningrad': 'Kaliningrad Standard Time',
+ 'Europe/Kiev': 'FLE Standard Time',
+ 'Europe/Lisbon': 'GMT Standard Time',
+ 'Europe/Ljubljana': 'Central Europe Standard Time',
+ 'Europe/London': 'GMT Standard Time',
+ 'Europe/Luxembourg': 'W. Europe Standard Time',
+ 'Europe/Madrid': 'Romance Standard Time',
+ 'Europe/Malta': 'W. Europe Standard Time',
+ 'Europe/Mariehamn': 'FLE Standard Time',
+ 'Europe/Minsk': 'Belarus Standard Time',
+ 'Europe/Monaco': 'W. Europe Standard Time',
+ 'Europe/Moscow': 'Russian Standard Time',
+ 'Europe/Oslo': 'W. Europe Standard Time',
+ 'Europe/Paris': 'Romance Standard Time',
+ 'Europe/Podgorica': 'Central Europe Standard Time',
+ 'Europe/Prague': 'Central Europe Standard Time',
+ 'Europe/Riga': 'FLE Standard Time',
+ 'Europe/Rome': 'W. Europe Standard Time',
+ 'Europe/Samara': 'Russia Time Zone 3',
+ 'Europe/San_Marino': 'W. Europe Standard Time',
+ 'Europe/Sarajevo': 'Central European Standard Time',
+ 'Europe/Simferopol': 'Russian Standard Time',
+ 'Europe/Skopje': 'Central European Standard Time',
+ 'Europe/Sofia': 'FLE Standard Time',
+ 'Europe/Stockholm': 'W. Europe Standard Time',
+ 'Europe/Tallinn': 'FLE Standard Time',
+ 'Europe/Tirane': 'Central Europe Standard Time',
+ 'Europe/Uzhgorod': 'FLE Standard Time',
+ 'Europe/Vaduz': 'W. Europe Standard Time',
+ 'Europe/Vatican': 'W. Europe Standard Time',
+ 'Europe/Vienna': 'W. Europe Standard Time',
+ 'Europe/Vilnius': 'FLE Standard Time',
+ 'Europe/Volgograd': 'Russian Standard Time',
+ 'Europe/Warsaw': 'Central European Standard Time',
+ 'Europe/Zagreb': 'Central European Standard Time',
+ 'Europe/Zaporozhye': 'FLE Standard Time',
+ 'Europe/Zurich': 'W. Europe Standard Time',
+ 'Indian/Antananarivo': 'E. Africa Standard Time',
+ 'Indian/Chagos': 'Central Asia Standard Time',
+ 'Indian/Christmas': 'SE Asia Standard Time',
+ 'Indian/Cocos': 'Myanmar Standard Time',
+ 'Indian/Comoro': 'E. Africa Standard Time',
+ 'Indian/Kerguelen': 'West Asia Standard Time',
+ 'Indian/Mahe': 'Mauritius Standard Time',
+ 'Indian/Maldives': 'West Asia Standard Time',
+ 'Indian/Mauritius': 'Mauritius Standard Time',
+ 'Indian/Mayotte': 'E. Africa Standard Time',
+ 'Indian/Reunion': 'Mauritius Standard Time',
+ 'MST7MDT': 'Mountain Standard Time',
+ 'PST8PDT': 'Pacific Standard Time',
+ 'Pacific/Apia': 'Samoa Standard Time',
+ 'Pacific/Auckland': 'New Zealand Standard Time',
+ 'Pacific/Efate': 'Central Pacific Standard Time',
+ 'Pacific/Enderbury': 'Tonga Standard Time',
+ 'Pacific/Fakaofo': 'Tonga Standard Time',
+ 'Pacific/Fiji': 'Fiji Standard Time',
+ 'Pacific/Funafuti': 'UTC+12',
+ 'Pacific/Galapagos': 'Central America Standard Time',
+ 'Pacific/Guadalcanal': 'Central Pacific Standard Time',
+ 'Pacific/Guam': 'West Pacific Standard Time',
+ 'Pacific/Honolulu': 'Hawaiian Standard Time',
+ 'Pacific/Johnston': 'Hawaiian Standard Time',
+ 'Pacific/Kiritimati': 'Line Islands Standard Time',
+ 'Pacific/Kosrae': 'Central Pacific Standard Time',
+ 'Pacific/Kwajalein': 'UTC+12',
+ 'Pacific/Majuro': 'UTC+12',
+ 'Pacific/Midway': 'UTC-11',
+ 'Pacific/Nauru': 'UTC+12',
+ 'Pacific/Niue': 'UTC-11',
+ 'Pacific/Noumea': 'Central Pacific Standard Time',
+ 'Pacific/Pago_Pago': 'UTC-11',
+ 'Pacific/Palau': 'Tokyo Standard Time',
+ 'Pacific/Ponape': 'Central Pacific Standard Time',
+ 'Pacific/Port_Moresby': 'West Pacific Standard Time',
+ 'Pacific/Rarotonga': 'Hawaiian Standard Time',
+ 'Pacific/Saipan': 'West Pacific Standard Time',
+ 'Pacific/Tahiti': 'Hawaiian Standard Time',
+ 'Pacific/Tarawa': 'UTC+12',
+ 'Pacific/Tongatapu': 'Tonga Standard Time',
+ 'Pacific/Truk': 'West Pacific Standard Time',
+ 'Pacific/Wake': 'UTC+12',
+ 'Pacific/Wallis': 'UTC+12'}