Calendar Converter
Convert dates and times between Gregorian, Julian, Hebrew, Islamic, Persian, Mayan, Indian, French Republican, ISO‑8601, Unix time, and Excel serial formats
This is a port of wonderfulFourmilab.ch Calendar converterby John Walker
Gregorian
Julian Day
Modified Julian
Julian Calendar
Gregorian Serial
Hebrew
Islamic
Persian
Persian Algorithmic
Mayan
Indian Civil
French Republican
ISO‑8601
Unix time()
Excel 1900 (Windows)
Excel 1904 (Macintosh)