User:Jc3s5h/Gregorian calendar

Testing of new date checking for citation templates
This is an actual example from Daylight savings time.

Working example from Module talk:Citation/CS1

Experiment with all-numeric.

Modify by removing author, to see if the RFC on consistent date location has been implemented:

Restore author, but see if leap year logic is correct for 1900:

Check if leap year logic is correct for February 29, 1700, which was a valid date in Britain but not in France:

Check if leap year logic is correct for February 29, 1500, a Julian calendar date:

See if writing the date in all-numeric format triggers an error in 1500:

Some style guides such as APA call for explicitly stating that a publication does not bear a publication date: