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Data.Time.Calendar.WeekDate
Description
ISO 8601 Week Date format
Synopsis
toWeekDate :: Day -> (Integer, Int, Int)
fromWeekDate :: Integer -> Int -> Int -> Day
showWeekDate :: Day -> String
Documentation
toWeekDate :: Day -> (Integer, Int, Int)
convert to ISO 8601 Week Date format. First element of result is year, second week number (1-53), third day of week (1 for Monday to 7 for Sunday). Note that "Week" years are not quite the same as Gregorian years, as the first day of the year is always a Monday. The first week of a year is the first week to contain at least four days in the corresponding Gregorian year.
fromWeekDate :: Integer -> Int -> Int -> Day
convert from ISO 8601 Week Date format. First argument is year, second week number (1-52 or 53), third day of week (1 for Monday to 7 for Sunday). Invalid week and day values will be clipped to the correct range.
showWeekDate :: Day -> String
show in ISO 8601 Week Date format as yyyy-Www-dd (e.g. "2006-W46-3").
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