Change Log

[1.14] - 2024-03-10

• add Lift instances to all types
• add Generic instances to all types that have exposed constructors
• fix show of CalendarDiffTime
• fix diffGregorianDurationRollOver, diffJulianDurationRollOver
• Parsing is now maximal munch rather than ambiguous for
  • digits of %q and %Q specifiers
  • optional timezone for UTCTime
  • optional specifiers in ISO8601 formats

[1.12.2] - 2022-05-14

• add weekFirstDay, weekLastDay, weekAllDays
• expose formatting/parsing internals
• fix: handle +HH format for ISO8601 timeOffsetFormat etc.
• fix clock_REALTIME for WebAssembly

[1.12.1] - 2021-10-24

• add DayPeriod class for periods of days
• add QuarterDay pattern and DayOfQuarter type synonym
• add CommonEra and BeforeCommonEra patterns

[1.12] - 2021-06-12

• support GHC 8.8, 8.10, 9.0 only
• add patterns for each month of year
• fix: don't provide TAI clock where it's unavailable (e.g. FreeBSD)
• fix: handle time of day 24:00:00 for ISO 8601 parsing (only)
• fix parsing of %f and %G with negative years

[1.11.1.2] - 2021-04-24

• fix cabal file
• correct "license" field in cabal file
• add dates to changelog entries

[1.11.1.1] - 2020-12-09

• fix module Safe status

[1.11.1] - 2020-11-23

• all modules Safe or Trustworthy
• fix NFData instances for DiffTime, NominalDiffTime, TimeOfDay
• add missing Ix, Enum, NFData instances to DayOfWeek, CalendarDiffDays, CalendarDiffTime, Month, Quarter, QuarterOfYear

[1.11] - 2020-10-14

• 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
• parsing dates rejects ambiguity based on digits, even if there's only one valid date

[1.10] - 2020-03-13

• 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] - 2019-05-20

• documentation fixes

[1.9.2] - 2018-08-01

• 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] - 2018-02-27

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

[1.9] - 2018-01-25

• 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] - 2018-01-09

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

[1.8.0.3] - 2017-08-04

• Add "Quick start" documentation

[1.8.0.2] - 2017-05-13

• Fix behaviour of %Q in format

[1.8.0.1] - 2017-03-11

• Get building on 32 bit machine

[1.8] - 2017-02-14

• 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] - 2016-12-19

• Fix bounds issue in .cabal file

[1.7] - 2016-11-19

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

[1.6.0.1] - 2016-05-07

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

[1.6] - 2015-12-20

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] - 2014-12-13

[1.5] - 2014-09-10

[1.4.2] - 2014-03-03

[1.4.1] - 2013-06-24

[1.4.0.2] - 2012-11-25

[1.4.0.1] - 2011-10-31

[1.4] - 2011-09-13

[1.3] - 2011-08-10

[1.2.0.5] - 2011-05-11

[1.2.0.4] - 2011-02-03

[1.2.0.3] - 2010-06-22

[1.2.0.2] - 2010-04-26

[1.2.0.1] - 2010-04-11

[1.2] - 2010-04-11

[1.1.4] - 2009-07-17

[1.1.3] - 2009-06-01

[1.1.2.4] - 2009-04-17

[1.1.2.3] - 2009-01-17

[1.1.2.2] - 2008-10-11

[1.1.2.1] - 2008-06-19

[1.1.2.0] - 2007-11-03

[1.1.1] - 2007-04-22

[1.0] - 2006-11-02