time-1.9.3: A time library

Data.Time.Calendar.OrdinalDate

Description

ISO 8601 Ordinal Date format

Synopsis

# Documentation

Convert to ISO 8601 Ordinal Date format. First element of result is year (proleptic Gregoran calendar), second is the day of the year, with 1 for Jan 1, and 365 (or 366 in leap years) for Dec 31.

Convert from ISO 8601 Ordinal Date format. Invalid day numbers will be clipped to the correct range (1 to 365 or 366).

Convert from ISO 8601 Ordinal Date format. Invalid day numbers return Nothing

Show in ISO 8601 Ordinal Date format (yyyy-ddd)

Is this year a leap year according to the proleptic Gregorian calendar?

mondayStartWeek :: Day -> (Int, Int) Source #

Get the number of the Monday-starting week in the year and the day of the week. The first Monday is the first day of week 1, any earlier days in the year are week 0 (as %W in formatTime). Monday is 1, Sunday is 7 (as %u in formatTime).

sundayStartWeek :: Day -> (Int, Int) Source #

Get the number of the Sunday-starting week in the year and the day of the week. The first Sunday is the first day of week 1, any earlier days in the year are week 0 (as %U in formatTime). Sunday is 0, Saturday is 6 (as %w in formatTime).

Arguments

 :: Integer Year. -> Int Monday-starting week number (as %W in formatTime). -> Int Day of week. Monday is 1, Sunday is 7 (as %u in formatTime). -> Day

The inverse of mondayStartWeek. Get a Day given the year, the number of the Monday-starting week, and the day of the week. The first Monday is the first day of week 1, any earlier days in the year are week 0 (as %W in formatTime).

Arguments

 :: Integer Year. -> Int Monday-starting week number (as %W in formatTime). -> Int Day of week. Monday is 1, Sunday is 7 (as %u in formatTime). -> Maybe Day

Arguments

 :: Integer Year. -> Int Sunday-starting week number (as %U in formatTime). -> Int Day of week Sunday is 0, Saturday is 6 (as %w in formatTime). -> Day

The inverse of sundayStartWeek. Get a Day given the year and the number of the day of a Sunday-starting week. The first Sunday is the first day of week 1, any earlier days in the year are week 0 (as %U in formatTime).

Arguments

 :: Integer Year. -> Int Sunday-starting week number (as %U in formatTime). -> Int Day of week. Sunday is 0, Saturday is 6 (as %w in formatTime). -> Maybe Day