Number sorts numerically, month sorts alphabetically, and days sorts numerically in reverse.
| Number | Month | Days (non-leap year) | 
|---|---|---|
| 1 | January | 31 | 
| 2 | Februrary | 28 | 
| 3 | March | 31 | 
| 4 | April | 30 | 
| 5 | May | 31 | 
| 6 | June | 30 | 
| 7 | July | 31 | 
| 8 | August | 31 | 
| 9 | September | 30 | 
| 10 | October | 31 | 
| 11 | November | 30 | 
| 12 | December | 31 |