2040 Korean lunar calendar
The solar date of the first day of each lunar month in lunar year 2040, and how many days each month has.
This year has no leap month.
Holiday dates
- Seollal (Lunar New Year), lunar 1/1: Sun 2040-02-12.
- Jeongwol Daeboreum (first full moon), lunar 1/15: Sun 2040-02-26.
- Dano (spring festival), lunar 5/5: Thu 2040-06-14.
- Chuseok (Korean harvest festival), lunar 8/15: Fri 2040-09-21.
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 | (Sun) | 30 a long month |
| 2 | (Tue) | 29 a short month |
| 3 | (Wed) | 30 a long month |
| 4 | (Fri) | 30 a long month |
| 5 | (Sun) | 29 a short month |
| 6 | (Mon) | 30 a long month |
| 7 | (Wed) | 30 a long month |
| 8 | (Fri) | 29 a short month |
| 9 | (Sat) | 30 a long month |
| 10 | (Mon) | 29 a short month |
| 11 | (Tue) | 30 a long month |
| 12 | (Thu) | 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