%?[date]
special textsApart from different representations of a weekday name, it is possible to create its weekday number. Likewise, the current day of year, the day number, the week number, the month name, the month number, the year number, the moonphase, the biorhythm, and some useful difference values can be produced.
For the date argument these %?[date]
special text may have, the following rules concerning definite omission
values are valid, elucidated by using the
yyyy[mm[dd|wwwn]]
date format (76):
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