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Counting Up The Days Since...

Which days should we count?

About the Days Since New Year's Day

Count up the days of the week from a specific date.

Special dates include:

Currently, we use the Georgian Calendar to derive special dates for Days Since. This choice made for computational complexity considerations as it underlying language does not easily support other calenders. We do intend to incorporate additional calendars and holidays into Days Since once we can do so reliably and efficiently. Thank you for your patience.

If there is a special date you'd like to see added to Days Since, Let us Know and we'll bump it to the head of the queue