Change Log

[1.11]

• new calendrical type synonyms and abstract constructors
• new Month type, with appropriate functions
• new QuarterOfYear and Quarter type, with appropriate functions
• new functions for working with week-based years
• new parseTimeMultipleM function for a list of (format, input) pairs
• add instance Ord DayOfWeek
• add instance Read DiffTime (and NominalDiffTime)
• change instance Read UTCTime to allow omitted timezone

[1.10]

• remove deprecated functions parseTime, readTime, readsTime
• deprecate iso8601DateFormat
• parsing: fix %_Q %-Q %_q %-q
• parsing: fix parsing of BCE years
• formatting: fix %3ES %3Es
• change internal members of ParseTime to allow newtype-deriving
• new functions (aliases) pastMidnight & sinceMidnight

[1.9.3]

• documentation fixes

[1.9.2]

• add Data and Typeable instance for CalendarDiffDays and CalendarDiffTime
• "@since" annotations for everything after 1.9
• fix import issue with GHC 8.6

[1.9.1]

• new functions secondsToNominalDiffTime & nominalDiffTimeToSeconds
• expose FormatTime and ParseTime in Data.Time.Format.Internal

[1.9]

• new conversion functions timeToDaysAndTimeOfDay & daysAndTimeOfDayToTime
• new DayOfWeek type
• new CalendarDiffDays and CalendarDiffTime types
• new ISO8601 module for ISO 8601 formatting & parsing
• new addLocalTime, diffLocalTime
• hide members of FormatTime and ParseTime classes
• formatting & parsing for diff types (NominalDiffTime, DiffTime, CalendarDiffDays, CalendarDiffTime)
• formatting: %Ez and %EZ for ±HH:MM format
• parseTimeM: use MonadFail constraint when supported
• parsing: reject invalid (and empty) time-zones with %z and %Z
• parsing: reject invalid hour/minute/second specifiers

[1.8.0.4]

• Fix "show minBound" bug
• haddock: example for parseTimeM

[1.8.0.3]

• Add "Quick start" documentation

[1.8.0.2]

• Fix behaviour of %Q in format

[1.8.0.1]

• Get building on 32 bit machine

[1.8]

• Added SystemTime
• Data.Time.Format: allow padding widths in specifiers for formatting (but not parsing)
• Test: use tasty, general clean-up
• Test: separate out UNIX-specific tests, so the others can be run on Windows
• Clean up haddock.

[1.7.0.1]

• Fix bounds issue in .cabal file

[1.7]

• Data.Time.Clock.TAI: change LeapSecondTable to LeapSecondMap with Maybe type; remove parseTAIUTCDATFile

[1.6.0.1]

• Get building with earlier GHC versions
• Set lower bound of base correctly

[1.6]

Added

• FormatTime, ParseTime, Show and Read instances for UniversalTime
• diffTimeToPicoseconds
• this change log

Changed

• Use clock_gettime where available
• Read and Show instances exported in the same module as their types
• Fixed bug in fromSundayStartWeekValid
• Parsing functions now reject invalid dates
• Various documentation fixes

[1.5.0.1]