A year on [[The Material Plane of Caledon|Caledon]] consists of 365 days, divided into twelve thirty day months interspersed with five days of celebration.
Years are grouped into three ages:
- [[The Age of Dragons]]
- [[The Age of Elves]]
- [[The Age of Man]]
# Months and Days of Celebration
1. Hammer
- New Years Day on 1 Hammer
- Day of Midwinter between 30 Hammer and 1 Alturiak
2. Alturiak
3. Ches
- Spring Equinox on 19 Ches
4. Tarsakh
- Day of Greengrass between 30 Tarsakh 30 and 1 Mirtul
5. Mirtul
- [[Knighting Day]] is celebrated on 7 Mirtul
6. Kythorn
- Summer Solstice on 20 Kythorn
- [[Kessig Day]] is celebrated on 29 Kythorn
7. Flamerule
- [[Krashaprovos' Midsummer Festival]] at the end of Flamerule
- Day of Midsummer between 30 Flamerule and 1 Eleasis
8. Eleasis
9. Eleint
- [[Respite's Harvest Festival]] at the end of Eleint
- Autumn Equinox on 21 Eleint
- [[Glacialhide's Harvest]] is held in Respite
- Day of Highharvesttide between 30 Eleint and 1 Marpenoth
10. Marpenoth
11. Uktar
- Day of Feast of the Moon between 30 Uktar and 1 Nightal
12. Nightal
- Winter Solstice on 20 Nightal
- [[New Years Eve]] on 30 Nightal
See [The Calendar of Harptos](https://forgottenrealms.fandom.com/wiki/Calendar_of_Harptos).