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add leap day information

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Pyry Lahtinen 2022-12-11 17:00:12 +00:00 committed by GitHub
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@ -69,7 +69,7 @@ jan_first < fixed_date # False
### Year day ### Year day
Year day is the day after the last of December and before the first of January. Year day is the day after the last of December and before the first of January (December 31st Gregorian).
For that date, `FixedDate` gives the following property values. For that date, `FixedDate` gives the following property values.
* `day_of_year` = 365 (366 on leap years) * `day_of_year` = 365 (366 on leap years)
@ -81,3 +81,19 @@ For that date, `FixedDate` gives the following property values.
* `weekday` = None * `weekday` = None
* `week_of_year` = 52 * `week_of_year` = 52
* `year_quarter` = 4 * `year_quarter` = 4
### Leap day
In IFC the leap year is defined in the same way as in the Gregorian system.
The leap day is, however, placed after the last of June and before the first of Sol (June 17th Gregorian).
`FixedDate` gives the following property values for leap day.
* `day_of_year` = 169
* `day_of_month` = 29
* `month` = 6
* `year` the year
* `is_leap_day` = True
* `week_of_month` = 4
* `weekday` = None
* `week_of_year` = 24
* `year_quarter` = 2