2025 Korean lunar calendar
The solar date of the first day of each lunar month in lunar year 2025, and how many days each month has.
This year has a leap month after month 6.
Holiday dates
- Seollal (Lunar New Year), lunar 1/1: Wed 2025-01-29.
- Jeongwol Daeboreum (first full moon), lunar 1/15: Wed 2025-02-12.
- Dano (spring festival), lunar 5/5: Sat 2025-05-31.
- Chuseok (Korean harvest festival), lunar 8/15: Mon 2025-10-06.
These are the lunar dates moved to the solar calendar. Check public holidays and substitute days separately.
| Lunar month | Solar date of day 1 | Days |
|---|---|---|
| 1 | (Wed) | 30 a long month |
| 2 | (Fri) | 29 a short month |
| 3 | (Sat) | 30 a long month |
| 4 | (Mon) | 29 a short month |
| 5 | (Tue) | 29 a short month |
| 6 | (Wed) | 30 a long month |
| Leap 6 | (Fri) | 29 a short month |
| 7 | (Sat) | 30 a long month |
| 8 | (Mon) | 29 a short month |
| 9 | (Tue) | 30 a long month |
| 10 | (Thu) | 30 a long month |
| 11 | (Sat) | 30 a long month |
| 12 | (Mon) | 29 a short month |
Sources
- KASI astronomy information: lunar-solar conversion (Korean)
- korean-lunar-calendar (MIT-licensed lunar table)
- Encyclopedia of Korean Culture: leap month (Korean)
Checked against KASI on 2026-09-23