Chinese lunar to Gregorian date converter
Enter the year, lunar month and day, and tick leap month if needed, to find when it falls on the Gregorian calendar that year.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter chinese year (gregorian number), lunar month, leap month and day.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Find Chinese New Year (day 1 of month 1) between 19 January and 22 February, estimate the position with the mean lunar month of 29.530588 days, then search nearby days until the Intl Chinese calendar matches month, leap flag and day.
Example
Inputs: Chinese year (Gregorian number) = 2,026, Lunar month = 8, Leap month = no, Day = 15. Result: Gregorian date: Friday, September 25, 2026 (2026-09-25); Weekday: Friday; Written out: 25 September 2026.
Limits and caveats
- Calculated for China time (UTC+8); Vietnamese and Korean calendars can differ by a day.
- The year is the Chinese year that begins in that Gregorian year; range 1901 to 2099.
Questions about this tool
When is the Mid-Autumn Festival in 2026?
It falls on day 15 of month 8, which is Friday 25 September 2026.
How do I find my lunar birthday this year?
Enter your lunar birth month and day with the current year; the Gregorian date moves from year to year.
Why was the leap month rejected?
Most years have no leap month, and when there is one it is a single month, such as the repeated sixth month in 2025.