Data.Time.Calendar.WeekDate.Compat

Bidirectional abstract constructor for ISO 8601 Week Date format. Invalid week values will be clipped to the correct range.

Convert from the given kind of "week calendar". Invalid week and day values will be clipped to the correct range.

Convert from the given kind of "week calendar". Invalid week and day values will return Nothing.

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.

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 return Nothing.

Show in ISO 8601 Week Date format as yyyy-Www-d (e.g. "2006-W46-3").

Convert to the given kind of "week calendar". Note that the year number matches the weeks, and so is not always the same as the Gregorian year number.

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.

Week of year, by various reckonings, generally in range 0-53 depending on reckoning.

Year of Common Era (when positive).