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Chinese Calendar Date Converter
Move between Gregorian dates and the Chinese lunisolar calendar—with leap months made explicit rather than hidden.
Enter a date to see both calendar systems.
The conversion will show the matching date, whether the lunar month is regular or leap, and the year’s stem–branch and zodiac context.
This is a calendar conversion and cultural reference tool. It does not identify auspicious dates or predict outcomes. Historical calendar conventions can differ outside the supported range.
How this is calculated
Gregorian dates are converted to the corresponding Chinese calendar date. In the reverse direction, regular and leap months are separate inputs because they can share the same month number. The tool supports Chinese calendar years 1900–2100 and does not evaluate whether a date is favorable.
Calendar years turn over at Lunar New Year, not January 1. For the repeating animal cycle, read how the twelve-year zodiac works.
Frequently asked questions
- Is the Chinese calendar the same as a lunar calendar?
- It is a lunisolar calendar: months follow lunar cycles, while leap months help keep the calendar aligned with the seasonal year.
- Why can a Chinese calendar month repeat?
- Some years add a leap month with the same number as the preceding month. The repeated month is identified explicitly as a leap month.
- What dates does this converter support?
- The converter supports Chinese calendar years 1900 through 2100, corresponding to Gregorian dates from January 31, 1900 through January 28, 2101.