| month | short form | days | season | |
|---|---|---|---|---|
| 1 | January | Jan. | 31 | winter |
| 2 | February | Feb. | 28/29 | |
| 3 | March | Mar. | 31 | spring |
| 4 | April | Apr. | 30 | |
| 5 | May | May | 31 | |
| 6 | June | Jun. | 30 | summer |
| 7 | July | Jul. | 31 | |
| 8 | August | Aug. | 31 | |
| 9 | September | Sep. | 30 | autumn |
| 10 | October | Oct. | 31 | |
| 11 | November | Nov. | 30 | |
| 12 | December | Dec. | 31 | winter |