Lunar calendar date converter
2026-10-18 → Ninth Month 9, 2026(bing-wu), Chinese lunisolar calendar.
| Calendar | Month/year structure | Day convention |
|---|---|---|
| Astronomical phase calendar | Actual conjunctions and phase events | Instant converted to named zone |
| Chinese | Lunisolar, with leap months | Civil date convention in this converter |
| Hebrew | Lunisolar, with leap months | Displayed civil date; religious day begins at sunset |
| Islamic civil | Tabular lunar years | Tabular dates; crescent observations can differ |
A phase anniversary repeats the Sun–Moon angle; a calendar birthday repeats a calendar month and day. Use birthday phase returns for the first task.
Convert a Gregorian date to the Chinese, Hebrew or Islamic civil calendar and compare lunar and lunisolar calendar structures.