- You must have JavaScript enabled in your browser for this calculator
to work. Requires Netscape 3.0 or Internet Explorer 3.0 or later for
correct operation.
- All fields are editable. Change civil date to calculate Julian
Day Number and day-of-week, or vice versa.
- After changing a text box,
click outside of the calculator, or press tab, to update all other data.
(Don't press return.)
- In Auto mode, civil calendar changes from Julian to Gregorian
between October 4/15, 1582. For Julian civil dates after that
date, as in England and colonies until 1753, select Julian Only.
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