Tabular
Arithmetic (civil) Islamic calendar: epoch 16 July 622 (Julian), 30-year cycle with leap years 2, 5, 7, 10, 13, 16, 18, 21, 24, 26 and 29. Unbounded, but can differ from observed dates by a day or two.
Arithmetic (civil) Islamic calendar: epoch 16 July 622 (Julian), 30-year cycle with leap years 2, 5, 7, 10, 13, 16, 18, 21, 24, 26 and 29. Unbounded, but can differ from observed dates by a day or two.