| Value | Category |
|---|---|
| 1 | 00:01 - 05:59 |
| 2 | 06:00 - 06:59 |
| 3 | 07:00 - 07:59 |
| 4 | 08:00 - 08:59 |
| 5 | 09:00 - 09:59 |
| 6 | 10:00 - 10:59 |
| 7 | 11:00 - 11:59 |
| 8 | 12:00 - 12:59 |
| 9 | 13:00 - 13:59 |
| 10 | 14:00 - 14:59 |
| 11 | 15:00 - 15:59 |
| 12 | 16:00 - 16:59 |
| 13 | 17:00 - 17:59 |
| 14 | 18:00 - 18:59 |
| 15 | 19:00 - 19:59 |
| 16 | 20:00 - 20:59 |
| 17 | 21:00 - 24:00 |
| Sysmiss |