What is Mondkalender-Konverter?

A tool for converting between the solar (Gregorian) calendar and the Korean lunar calendar. Useful for finding lunar birthdays, traditional holiday dates, and cultural event dates. Also shows leap month status and Gapja (heavenly stems and earthly branches).

How to Use

1. Select the conversion direction (Solar → Lunar or Lunar → Solar).
2. Enter the year, month, and day.
3. Check leap month status for Lunar → Solar conversion.
4. View the conversion result and Gapja information.

Key Features

• Bidirectional Solar-Lunar conversion
• Leap month handling
• Gapja (heavenly stems and earthly branches) display
• Wide year range support

Tips

• Major Korean holidays like Seollal and Chuseok are based on the lunar calendar.
• Lunar birthdays fall on different solar dates each year.
• The 60-year Gapja cycle is the basis for Hwangap (60th birthday celebration).