time-1.1.3: A time library Source code Contents Index

Data.Time.Calendar.OrdinalDate

Description

ISO 8601 Ordinal Date format

Synopsis

toOrdinalDate :: Day -> (Integer, Int) fromOrdinalDate :: Integer -> Int -> Day showOrdinalDate :: Day -> String isLeapYear :: Integer -> Bool mondayStartWeek :: Day -> (Int, Int) sundayStartWeek :: Day -> (Int, Int) fromMondayStartWeek :: Integer -> Int -> Int -> Day fromSundayStartWeek :: Integer -> Int -> Int -> Day

Documentation

toOrdinalDate :: Day -> (Integer, Int) Source

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.

fromOrdinalDate :: Integer -> Int -> Day Source

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

showOrdinalDate :: Day -> String Source

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

isLeapYear :: Integer -> Bool Source

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 Data.Time.Format.formatTime). Monday is 1, Sunday is 7 (as "%u" in Data.Time.Format.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 Data.Time.Format.formatTime). Sunday is 0, Saturday is 6 (as "%w" in Data.Time.Format.formatTime).

fromMondayStartWeek Source

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

fromSundayStartWeek Source

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

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