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Synopsis |
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Time zones
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A TimeZone is a whole number of minutes offset from UTC, together with a name and a "just for summer" flag.
| Constructors | TimeZone | | timeZoneMinutes :: Int | The number of minutes offset from UTC. Positive means local time will be later in the day than UTC.
| timeZoneSummerOnly :: Bool | Is this time zone just persisting for the summer?
| timeZoneName :: String | The name of the zone, typically a three- or four-letter acronym.
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Text representing the offset of this timezone, such as "-0800" or "+0400" (like %z in formatTime)
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Create a nameless non-summer timezone for this number of minutes
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Create a nameless non-summer timezone for this number of hours
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The UTC time zone
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Get the local time-zone for a given time (varying as per summertime adjustments)
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Get the current time-zone
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Time of day
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Time of day as represented in hour, minute and second (with picoseconds), typically used to express local time of day.
| Constructors | TimeOfDay | | todHour :: Int | range 0 - 23
| todMin :: Int | range 0 - 59
| todSec :: Pico | Note that 0 <= todSec < 61, accomodating leap seconds.
Any local minute may have a leap second, since leap seconds happen in all zones simultaneously
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Hour zero
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Hour twelve
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Convert a ToD in UTC to a ToD in some timezone, together with a day adjustment.
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Convert a ToD in some timezone to a ToD in UTC, together with a day adjustment.
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Get a TimeOfDay given a time since midnight.
Time more than 24h will be converted to leap-seconds.
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Find out how much time since midnight a given TimeOfDay is.
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Get a TimeOfDay given the fraction of a day since midnight.
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Get the fraction of a day since midnight given a TimeOfDay.
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Local Time
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A simple day and time aggregate, where the day is of the specified parameter,
and the time is a TimeOfDay.
Conversion of this (as local civil time) to UTC depends on the time zone.
Conversion of this (as local mean time) to UT1 depends on the longitude.
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show a UTC time in a given time zone as a LocalTime
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find out what UTC time a given LocalTime in a given time zone is
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1st arg is observation meridian in degrees, positive is East
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1st arg is observation meridian in degrees, positive is East
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A local time together with a TimeZone.
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Produced by Haddock version 2.4.2 |