-- Hoogle documentation, generated by Haddock -- See Hoogle, http://www.haskell.org/hoogle/ -- | Efficient time zone handling -- -- The goal of this package is to provide a library that can read time -- zone info files (aka. Olson files), and does time zone conversions in -- a pure and efficient way. -- -- We also provide platform-independent and/or compiled-in access to the -- standard Time Zone Dabase by the means of the companion -- tzdata package -- http://hackage.haskell.org/package/tzdata. -- -- The package is currently in an alpha phase, I'm still experimenting -- with different ideas wrt. scope/API/implementation/etc. All comments -- are welcome! @package tz @version 0.1.3.6 module Data.Time.Zones.Internal.CoerceTH getNewTypeCon :: Name -> Q Name constructNewType :: Name -> Q Exp destructNewType :: Name -> Q Exp module Data.Time.Zones.Internal utcTimeToInt64 :: UTCTime -> Int64 utcTimeToInt64Pair :: UTCTime -> (Int64, Int64) localTimeToInt64Pair :: LocalTime -> (Int64, Int64) int64PairToUTCTime :: Int64 -> Int64 -> UTCTime int64PairToLocalTime :: Int64 -> Int64 -> LocalTime picoToInteger :: Pico -> Integer integerToPico :: Integer -> Pico diffTimeToPico :: DiffTime -> Pico picoToDiffTime :: Pico -> DiffTime diffTimeToInteger :: DiffTime -> Integer integerToDiffTime :: Integer -> DiffTime module Data.Time.Zones.Types data TZ TZ :: !Vector Int64 -> !Vector Int -> !Vector (Bool, String) -> TZ [_tzTrans] :: TZ -> !Vector Int64 [_tzDiffs] :: TZ -> !Vector Int [_tzInfos] :: TZ -> !Vector (Bool, String) -- | The TZ definition for UTC. utcTZ :: TZ instance GHC.Read.Read Data.Time.Zones.Types.TZ instance Data.Data.Data Data.Time.Zones.Types.TZ instance GHC.Show.Show Data.Time.Zones.Types.TZ instance GHC.Classes.Eq Data.Time.Zones.Types.TZ instance Control.DeepSeq.NFData Data.Time.Zones.Types.TZ instance Data.Default.Class.Default Data.Time.Zones.Types.TZ module Data.Time.Zones.Read -- | Reads and parses a time zone information file (in tzfile(5) -- aka. Olson file format) and returns the corresponding TZ data -- structure. loadTZFromFile :: FilePath -> IO TZ -- | Looks for the time zone file in the system timezone directory, which -- is /usr/share/zoneinfo, or if the TZDIR environment -- variable is set, then there. -- -- Note, this is unlikely to work on non-posix systems (e.g., Windows), -- use loadTZFromDB or loadTZFromFile instead. loadSystemTZ :: String -> IO TZ -- | Return the path for a time zone file in the system time zone -- directory. -- -- The system directory is specified by the TZDIR environment -- variable, or /usr/share/zoneinfo if it's not set. pathForSystemTZ :: String -> IO FilePath -- | Returns the local TZ based on the TZ and -- TZDIR environment variables. -- -- See tzset(3) for details, but basically: -- -- -- -- Note, this means we don't support POSIX-style TZ variables -- (like "EST5EDT"), only those that are explicitly present in -- the time zone database. loadLocalTZ :: IO TZ -- | Reads the corresponding file from the time zone database shipped with -- this package. loadTZFromDB :: String -> IO TZ olsonGet :: Get TZ parseOlson :: ByteString -> TZ -- | Example usage: -- -- 
--   {-# LANGUAGE TemplateHaskell #-}
--   
--   import Data.Time
--   import Data.Time.Zones
--   import Data.Time.Zones.TH
--   
--   tzBudapest :: TZ
--   tzBudapest = $(includeTZFromDB "Europe/Budapest")
--   
--   tzLosAngeles :: TZ
--   tzLosAngeles = $(includeTZFromDB "America/Los_Angeles")
--   
--   main :: IO ()
--   main = do
--     t <- getCurrentTime
--     putStrLn $ "Time in Budapest: " ++ show (utcToLocalTimeTZ tzBudapest t)
--     putStrLn $ "Time in Los Angeles: " ++ show (utcToLocalTimeTZ tzLosAngeles t)
--
module Data.Time.Zones.TH -- | Generate a TZ definition from an entry out of the time zone -- database shipped with this package. includeTZFromDB :: String -> Q Exp -- | Generate a TZ definition from a system time zone information -- file. -- -- See also: loadSystemTZ for details on how system time zone -- files are located. -- -- Note, this is unlikely to work on non-posix systems (e.g., Windows), -- use includeTZFromDB or includeTZFromFile instead. includeSystemTZ :: String -> Q Exp -- | Generate a TZ definition from the given time zone information -- file. includeTZFromFile :: FilePath -> Q Exp module Data.Time.Zones.All -- | Convert a TZLabel to the usual name of the location. -- -- 
--   > toTZName Europe__Paris
--   "Europe/Paris"
--
toTZName :: TZLabel -> ByteString -- | Lookup the TZLabel by the name of the location. -- -- Returns Nothing if the location is unknown. -- -- 
--   > :set -XOverloadedStrings
--   > fromTZName "Europe/Paris"
--   Just Europe__Paris
--   > fromTZName "Foo/Bar"
--   Nothing
--
fromTZName :: ByteString -> Maybe TZLabel -- | Map mapping know time zone locations to their canonical -- TZLabels. tzNameLabelMap :: Map ByteString TZLabel -- | Lookup a TZ by its label. -- -- 
--   utcToNewYork :: UTCTime -> LocalTime
--   utcToNewYork = utcToLocalTimeTZ $ tzByLabel America__New_York
--
tzByLabel :: TZLabel -> TZ -- | Lookup a TZ by the name of it's location. -- -- Returns Nothing if the location is unknown. tzByName :: ByteString -> Maybe TZ -- | Enumeration of time zone locations. data TZLabel Africa__Abidjan :: TZLabel Africa__Algiers :: TZLabel Africa__Bissau :: TZLabel Africa__Cairo :: TZLabel Africa__Casablanca :: TZLabel Africa__Ceuta :: TZLabel Africa__El_Aaiun :: TZLabel Africa__Johannesburg :: TZLabel Africa__Juba :: TZLabel Africa__Khartoum :: TZLabel Africa__Lagos :: TZLabel Africa__Maputo :: TZLabel Africa__Monrovia :: TZLabel Africa__Nairobi :: TZLabel Africa__Ndjamena :: TZLabel Africa__Sao_Tome :: TZLabel Africa__Tripoli :: TZLabel Africa__Tunis :: TZLabel Africa__Windhoek :: TZLabel America__Adak :: TZLabel America__Anchorage :: TZLabel America__Araguaina :: TZLabel America__Argentina__Buenos_Aires :: TZLabel America__Argentina__Catamarca :: TZLabel America__Argentina__Cordoba :: TZLabel America__Argentina__Jujuy :: TZLabel America__Argentina__La_Rioja :: TZLabel America__Argentina__Mendoza :: TZLabel America__Argentina__Rio_Gallegos :: TZLabel America__Argentina__Salta :: TZLabel America__Argentina__San_Juan :: TZLabel America__Argentina__San_Luis :: TZLabel America__Argentina__Tucuman :: TZLabel America__Argentina__Ushuaia :: TZLabel America__Asuncion :: TZLabel America__Bahia :: TZLabel America__Bahia_Banderas :: TZLabel America__Barbados :: TZLabel America__Belem :: TZLabel America__Belize :: TZLabel America__Boa_Vista :: TZLabel America__Bogota :: TZLabel America__Boise :: TZLabel America__Cambridge_Bay :: TZLabel America__Campo_Grande :: TZLabel America__Cancun :: TZLabel America__Caracas :: TZLabel America__Cayenne :: TZLabel America__Chicago :: TZLabel America__Chihuahua :: TZLabel America__Costa_Rica :: TZLabel America__Cuiaba :: TZLabel America__Danmarkshavn :: TZLabel America__Dawson :: TZLabel America__Dawson_Creek :: TZLabel America__Denver :: TZLabel America__Detroit :: TZLabel America__Edmonton :: TZLabel America__Eirunepe :: TZLabel America__El_Salvador :: TZLabel America__Fort_Nelson :: TZLabel America__Fortaleza :: TZLabel America__Glace_Bay :: TZLabel America__Goose_Bay :: TZLabel America__Grand_Turk :: TZLabel America__Guatemala :: TZLabel America__Guayaquil :: TZLabel America__Guyana :: TZLabel America__Halifax :: TZLabel America__Havana :: TZLabel America__Hermosillo :: TZLabel America__Indiana__Indianapolis :: TZLabel America__Indiana__Knox :: TZLabel America__Indiana__Marengo :: TZLabel America__Indiana__Petersburg :: TZLabel America__Indiana__Tell_City :: TZLabel America__Indiana__Vevay :: TZLabel America__Indiana__Vincennes :: TZLabel America__Indiana__Winamac :: TZLabel America__Inuvik :: TZLabel America__Iqaluit :: TZLabel America__Jamaica :: TZLabel America__Juneau :: TZLabel America__Kentucky__Louisville :: TZLabel America__Kentucky__Monticello :: TZLabel America__La_Paz :: TZLabel America__Lima :: TZLabel America__Los_Angeles :: TZLabel America__Maceio :: TZLabel America__Managua :: TZLabel America__Manaus :: TZLabel America__Martinique :: TZLabel America__Matamoros :: TZLabel America__Mazatlan :: TZLabel America__Menominee :: TZLabel America__Merida :: TZLabel America__Metlakatla :: TZLabel America__Mexico_City :: TZLabel America__Miquelon :: TZLabel America__Moncton :: TZLabel America__Monterrey :: TZLabel America__Montevideo :: TZLabel America__New_York :: TZLabel America__Nipigon :: TZLabel America__Nome :: TZLabel America__Noronha :: TZLabel America__North_Dakota__Beulah :: TZLabel America__North_Dakota__Center :: TZLabel America__North_Dakota__New_Salem :: TZLabel America__Nuuk :: TZLabel America__Ojinaga :: TZLabel America__Panama :: TZLabel America__Pangnirtung :: TZLabel America__Paramaribo :: TZLabel America__Phoenix :: TZLabel America__Port_au_Prince :: TZLabel America__Porto_Velho :: TZLabel America__Puerto_Rico :: TZLabel America__Punta_Arenas :: TZLabel America__Rainy_River :: TZLabel America__Rankin_Inlet :: TZLabel America__Recife :: TZLabel America__Regina :: TZLabel America__Resolute :: TZLabel America__Rio_Branco :: TZLabel America__Santarem :: TZLabel America__Santiago :: TZLabel America__Santo_Domingo :: TZLabel America__Sao_Paulo :: TZLabel America__Scoresbysund :: TZLabel America__Sitka :: TZLabel America__St_Johns :: TZLabel America__Swift_Current :: TZLabel America__Tegucigalpa :: TZLabel America__Thule :: TZLabel America__Thunder_Bay :: TZLabel America__Tijuana :: TZLabel America__Toronto :: TZLabel America__Vancouver :: TZLabel America__Whitehorse :: TZLabel America__Winnipeg :: TZLabel America__Yakutat :: TZLabel America__Yellowknife :: TZLabel Antarctica__Casey :: TZLabel Antarctica__Davis :: TZLabel Antarctica__Macquarie :: TZLabel Antarctica__Mawson :: TZLabel Antarctica__Palmer :: TZLabel Antarctica__Rothera :: TZLabel Antarctica__Troll :: TZLabel Antarctica__Vostok :: TZLabel Asia__Almaty :: TZLabel Asia__Amman :: TZLabel Asia__Anadyr :: TZLabel Asia__Aqtau :: TZLabel Asia__Aqtobe :: TZLabel Asia__Ashgabat :: TZLabel Asia__Atyrau :: TZLabel Asia__Baghdad :: TZLabel Asia__Baku :: TZLabel Asia__Bangkok :: TZLabel Asia__Barnaul :: TZLabel Asia__Beirut :: TZLabel Asia__Bishkek :: TZLabel Asia__Brunei :: TZLabel Asia__Chita :: TZLabel Asia__Choibalsan :: TZLabel Asia__Colombo :: TZLabel Asia__Damascus :: TZLabel Asia__Dhaka :: TZLabel Asia__Dili :: TZLabel Asia__Dubai :: TZLabel Asia__Dushanbe :: TZLabel Asia__Famagusta :: TZLabel Asia__Gaza :: TZLabel Asia__Hebron :: TZLabel Asia__Ho_Chi_Minh :: TZLabel Asia__Hong_Kong :: TZLabel Asia__Hovd :: TZLabel Asia__Irkutsk :: TZLabel Asia__Jakarta :: TZLabel Asia__Jayapura :: TZLabel Asia__Jerusalem :: TZLabel Asia__Kabul :: TZLabel Asia__Kamchatka :: TZLabel Asia__Karachi :: TZLabel Asia__Kathmandu :: TZLabel Asia__Khandyga :: TZLabel Asia__Kolkata :: TZLabel Asia__Krasnoyarsk :: TZLabel Asia__Kuala_Lumpur :: TZLabel Asia__Kuching :: TZLabel Asia__Macau :: TZLabel Asia__Magadan :: TZLabel Asia__Makassar :: TZLabel Asia__Manila :: TZLabel Asia__Nicosia :: TZLabel Asia__Novokuznetsk :: TZLabel Asia__Novosibirsk :: TZLabel Asia__Omsk :: TZLabel Asia__Oral :: TZLabel Asia__Pontianak :: TZLabel Asia__Pyongyang :: TZLabel Asia__Qatar :: TZLabel Asia__Qostanay :: TZLabel Asia__Qyzylorda :: TZLabel Asia__Riyadh :: TZLabel Asia__Sakhalin :: TZLabel Asia__Samarkand :: TZLabel Asia__Seoul :: TZLabel Asia__Shanghai :: TZLabel Asia__Singapore :: TZLabel Asia__Srednekolymsk :: TZLabel Asia__Taipei :: TZLabel Asia__Tashkent :: TZLabel Asia__Tbilisi :: TZLabel Asia__Tehran :: TZLabel Asia__Thimphu :: TZLabel Asia__Tokyo :: TZLabel Asia__Tomsk :: TZLabel Asia__Ulaanbaatar :: TZLabel Asia__Urumqi :: TZLabel Asia__Ust_Nera :: TZLabel Asia__Vladivostok :: TZLabel Asia__Yakutsk :: TZLabel Asia__Yangon :: TZLabel Asia__Yekaterinburg :: TZLabel Asia__Yerevan :: TZLabel Atlantic__Azores :: TZLabel Atlantic__Bermuda :: TZLabel Atlantic__Canary :: TZLabel Atlantic__Cape_Verde :: TZLabel Atlantic__Faroe :: TZLabel Atlantic__Madeira :: TZLabel Atlantic__Reykjavik :: TZLabel Atlantic__South_Georgia :: TZLabel Atlantic__Stanley :: TZLabel Australia__Adelaide :: TZLabel Australia__Brisbane :: TZLabel Australia__Broken_Hill :: TZLabel Australia__Darwin :: TZLabel Australia__Eucla :: TZLabel Australia__Hobart :: TZLabel Australia__Lindeman :: TZLabel Australia__Lord_Howe :: TZLabel Australia__Melbourne :: TZLabel Australia__Perth :: TZLabel Australia__Sydney :: TZLabel Etc__GMT :: TZLabel Etc__GMT'1 :: TZLabel Etc__GMT'10 :: TZLabel Etc__GMT'11 :: TZLabel Etc__GMT'12 :: TZLabel Etc__GMT'2 :: TZLabel Etc__GMT'3 :: TZLabel Etc__GMT'4 :: TZLabel Etc__GMT'5 :: TZLabel Etc__GMT'6 :: TZLabel Etc__GMT'7 :: TZLabel Etc__GMT'8 :: TZLabel Etc__GMT'9 :: TZLabel Etc__GMT_1 :: TZLabel Etc__GMT_10 :: TZLabel Etc__GMT_11 :: TZLabel Etc__GMT_12 :: TZLabel Etc__GMT_13 :: TZLabel Etc__GMT_14 :: TZLabel Etc__GMT_2 :: TZLabel Etc__GMT_3 :: TZLabel Etc__GMT_4 :: TZLabel Etc__GMT_5 :: TZLabel Etc__GMT_6 :: TZLabel Etc__GMT_7 :: TZLabel Etc__GMT_8 :: TZLabel Etc__GMT_9 :: TZLabel Etc__UTC :: TZLabel Europe__Amsterdam :: TZLabel Europe__Andorra :: TZLabel Europe__Astrakhan :: TZLabel Europe__Athens :: TZLabel Europe__Belgrade :: TZLabel Europe__Berlin :: TZLabel Europe__Brussels :: TZLabel Europe__Bucharest :: TZLabel Europe__Budapest :: TZLabel Europe__Chisinau :: TZLabel Europe__Copenhagen :: TZLabel Europe__Dublin :: TZLabel Europe__Gibraltar :: TZLabel Europe__Helsinki :: TZLabel Europe__Istanbul :: TZLabel Europe__Kaliningrad :: TZLabel Europe__Kiev :: TZLabel Europe__Kirov :: TZLabel Europe__Lisbon :: TZLabel Europe__London :: TZLabel Europe__Luxembourg :: TZLabel Europe__Madrid :: TZLabel Europe__Malta :: TZLabel Europe__Minsk :: TZLabel Europe__Monaco :: TZLabel Europe__Moscow :: TZLabel Europe__Oslo :: TZLabel Europe__Paris :: TZLabel Europe__Prague :: TZLabel Europe__Riga :: TZLabel Europe__Rome :: TZLabel Europe__Samara :: TZLabel Europe__Saratov :: TZLabel Europe__Simferopol :: TZLabel Europe__Sofia :: TZLabel Europe__Stockholm :: TZLabel Europe__Tallinn :: TZLabel Europe__Tirane :: TZLabel Europe__Ulyanovsk :: TZLabel Europe__Uzhgorod :: TZLabel Europe__Vienna :: TZLabel Europe__Vilnius :: TZLabel Europe__Volgograd :: TZLabel Europe__Warsaw :: TZLabel Europe__Zaporozhye :: TZLabel Europe__Zurich :: TZLabel Indian__Chagos :: TZLabel Indian__Christmas :: TZLabel Indian__Cocos :: TZLabel Indian__Kerguelen :: TZLabel Indian__Mahe :: TZLabel Indian__Maldives :: TZLabel Indian__Mauritius :: TZLabel Indian__Reunion :: TZLabel Pacific__Apia :: TZLabel Pacific__Auckland :: TZLabel Pacific__Bougainville :: TZLabel Pacific__Chatham :: TZLabel Pacific__Chuuk :: TZLabel Pacific__Easter :: TZLabel Pacific__Efate :: TZLabel Pacific__Fakaofo :: TZLabel Pacific__Fiji :: TZLabel Pacific__Funafuti :: TZLabel Pacific__Galapagos :: TZLabel Pacific__Gambier :: TZLabel Pacific__Guadalcanal :: TZLabel Pacific__Guam :: TZLabel Pacific__Honolulu :: TZLabel Pacific__Kanton :: TZLabel Pacific__Kiritimati :: TZLabel Pacific__Kosrae :: TZLabel Pacific__Kwajalein :: TZLabel Pacific__Majuro :: TZLabel Pacific__Marquesas :: TZLabel Pacific__Nauru :: TZLabel Pacific__Niue :: TZLabel Pacific__Norfolk :: TZLabel Pacific__Noumea :: TZLabel Pacific__Pago_Pago :: TZLabel Pacific__Palau :: TZLabel Pacific__Pitcairn :: TZLabel Pacific__Pohnpei :: TZLabel Pacific__Port_Moresby :: TZLabel Pacific__Rarotonga :: TZLabel Pacific__Tahiti :: TZLabel Pacific__Tarawa :: TZLabel Pacific__Tongatapu :: TZLabel Pacific__Wake :: TZLabel Pacific__Wallis :: TZLabel Root__CET :: TZLabel Root__CST6CDT :: TZLabel Root__EET :: TZLabel Root__EST :: TZLabel Root__EST5EDT :: TZLabel Root__HST :: TZLabel Root__MET :: TZLabel Root__MST :: TZLabel Root__MST7MDT :: TZLabel Root__PST8PDT :: TZLabel Root__WET :: TZLabel module Data.Time.Zones data TZ -- | The TZ definition for UTC. utcTZ :: TZ -- | Returns the time difference (in seconds) for TZ at the given POSIX -- time. diffForPOSIX :: TZ -> Int64 -> Int -- | Returns the TimeZone for the TZ at the given POSIX time. timeZoneForPOSIX :: TZ -> Int64 -> TimeZone -- | Returns the TimeZone for the TZ at the given -- UTCTime. timeZoneForUTCTime :: TZ -> UTCTime -> TimeZone -- | Returns the LocalTime corresponding to the given UTCTime -- in TZ. -- -- utcToLocalTimeTZ tz ut is equivalent to -- utcToLocalTime (timeZoneForPOSIX tz ut) ut -- except when the time difference is not an integral number of minutes utcToLocalTimeTZ :: TZ -> UTCTime -> LocalTime -- | Fully descriptive result of a LocalTime to UTCTime conversion. -- -- In case of LTUAmbiguous the first result is always earlier than the -- second one. Generally this only happens during the daylight saving -- -> standard time transition (ie. summer -> winter). So, the -- first result corresponds to interpreting the LocalTime as a daylight -- saving time and the second result as standard time in the given -- location. -- -- But, if the location had some kind of administrative time transition -- during which the clocks jumped back, then both results can correspond -- to standard times (or daylight saving times) just before and after the -- transition. You can always inspect the timeZoneSummerOnly field -- of the returned TimeZones to get an idea what kind of -- transition was taking place. -- -- TODO(klao): document the LTUNone behavior. data LocalToUTCResult LTUNone :: UTCTime -> TimeZone -> LocalToUTCResult [_ltuResult] :: LocalToUTCResult -> UTCTime [_ltuZone] :: LocalToUTCResult -> TimeZone LTUUnique :: UTCTime -> TimeZone -> LocalToUTCResult [_ltuResult] :: LocalToUTCResult -> UTCTime [_ltuZone] :: LocalToUTCResult -> TimeZone LTUAmbiguous :: UTCTime -> UTCTime -> TimeZone -> TimeZone -> LocalToUTCResult [_ltuFirst] :: LocalToUTCResult -> UTCTime [_ltuSecond] :: LocalToUTCResult -> UTCTime [_ltuFirstZone] :: LocalToUTCResult -> TimeZone [_ltuSecondZone] :: LocalToUTCResult -> TimeZone localTimeToUTCFull :: TZ -> LocalTime -> LocalToUTCResult localTimeToUTCTZ :: TZ -> LocalTime -> UTCTime -- | Internal representation of LocalTime -> UTCTime conversion result: data FromLocal FLGap :: {-# UNPACK #-} !Int -> {-# UNPACK #-} !Int64 -> FromLocal [_flIx] :: FromLocal -> {-# UNPACK #-} !Int [_flRes] :: FromLocal -> {-# UNPACK #-} !Int64 FLUnique :: {-# UNPACK #-} !Int -> {-# UNPACK #-} !Int64 -> FromLocal [_flIx] :: FromLocal -> {-# UNPACK #-} !Int [_flRes] :: FromLocal -> {-# UNPACK #-} !Int64 FLDouble :: {-# UNPACK #-} !Int -> {-# UNPACK #-} !Int64 -> {-# UNPACK #-} !Int64 -> FromLocal [_flIx] :: FromLocal -> {-# UNPACK #-} !Int [_flRes1] :: FromLocal -> {-# UNPACK #-} !Int64 [_flRes2] :: FromLocal -> {-# UNPACK #-} !Int64 localToPOSIX :: TZ -> Int64 -> FromLocal -- | Reads and parses a time zone information file (in tzfile(5) -- aka. Olson file format) and returns the corresponding TZ data -- structure. loadTZFromFile :: FilePath -> IO TZ -- | Reads the corresponding file from the time zone database shipped with -- this package. loadTZFromDB :: String -> IO TZ -- | Looks for the time zone file in the system timezone directory, which -- is /usr/share/zoneinfo, or if the TZDIR environment -- variable is set, then there. -- -- Note, this is unlikely to work on non-posix systems (e.g., Windows), -- use loadTZFromDB or loadTZFromFile instead. loadSystemTZ :: String -> IO TZ -- | Returns the local TZ based on the TZ and -- TZDIR environment variables. -- -- See tzset(3) for details, but basically: -- -- -- -- Note, this means we don't support POSIX-style TZ variables -- (like "EST5EDT"), only those that are explicitly present in -- the time zone database. loadLocalTZ :: IO TZ -- | Returns a time difference (in seconds) corresponding to the -- abbreviation in the given time zone. -- -- If there are multiple time differences associated with the same -- abbreviation, the one corresponding to the latest use is returned. -- (The latest use might be in the past or the future depending on -- whether the abbreviation is still in use.) -- -- This function is here for informational purpose only, do not use it -- for time conversion. (Instead, use localTimeToUTCFull, and if -- the result is ambiguous disambiguate between the possible results -- based on the abbreviation.) diffForAbbr :: TZ -> String -> Maybe Int instance Data.Data.Data Data.Time.Zones.FromLocal instance GHC.Read.Read Data.Time.Zones.FromLocal instance GHC.Show.Show Data.Time.Zones.FromLocal instance GHC.Classes.Eq Data.Time.Zones.FromLocal instance Data.Data.Data Data.Time.Zones.LocalToUTCResult instance GHC.Read.Read Data.Time.Zones.LocalToUTCResult instance GHC.Show.Show Data.Time.Zones.LocalToUTCResult instance GHC.Classes.Eq Data.Time.Zones.LocalToUTCResult instance Control.DeepSeq.NFData Data.Time.Zones.LocalToUTCResult instance Control.DeepSeq.NFData Data.Time.Zones.FromLocal