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Lunar Calendar Converter
Convert between the Korean lunar calendar and the Gregorian date, with leap months and the sexagenary year.
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When to use it
Solar 5 May 1990 → the lunar birthday
Find the solar date of Korean New Year (lunar 1/1)
Check a leap-month birthday in solar dates
How to use it
1Step 1Fill in Direction
2Step 2Change a value and the result updates instantly
3Step 3Save or copy the result
If the result looks off
The result looks wrong
Check the units and the baseline first. Changing a value updates the result instantly.
I want the starting values back
Press reset to return to the initial state.
Frequently asked questions
Does it handle leap months?
Yes — tick the leap month box when converting a lunar date and it uses that month.
What range is supported?
1000 to 2050, following the KARI (Korea Astronomy and Space Science Institute) standard.
Can I repeat this every year?
Yes — enter the same lunar date each year to get that year's solar date.