| Days of partial month | Maximum credit available |
| 1 to 15 days | up to 1 |
| 16 to 31 days | up to 2 |
| Days of partial month | Maximum good time credit available |
| 0 - 2 days | |
| 3 - 5 days | 1 |
| 6 - 8 days | 2 |
| 9 - 11 days | 3 |
| 12 - 14 days | 4 |
| 15 - 17 days | 5 |
| 18 - 20 days | 6 |
| 21 - 23 days | 7 |
| 24 - 26 days | 8 |
| 27 - 29 days | 9 |
| 30 days | 10 |
| Days of partial month | Maximum good time credit available |
| 0 - 7 days | |
| 8 - 15 days | 1 |
| 16 - 23 days | 2 |
| 24 - 30 days | 3 |
| Days of partial month | Maximum meritorious good time credit available |
| 1 - 10 days | up to 1 |
| 11 - 20 days | up to 2 |
| 21 - 31 days | up to 3 |
| Days of partial month | Maximum meritorious good time credit available |
| 1 - 15 days | up to 1 |
| 16 - 31 days | up to 2 |
| Days of partial month | Maximum deduction available |
| 1 to 6 days | up to 1 |
| 7 to 12 days | up to 2 |
| 13 to 18 days | up to 3 |
| 19 to 24 days | up to 4 |
| 25 to 31 days | up to 5 |
| Days of partial month | Maximum deduction available |
| 1 to 7 days | up to 1 |
| 8 to 15 days | up to 2 |
| 16 to 23 days | up to 3 |
| 24 to 31 days | up to 4 |
| Days of partial month | Maximum deduction available |
| 1 to 10 days | up to 1 |
| 11 to 20 days | up to 2 |
| 21 to 31 days | up to 3 |
| Days of partial month | Maximum deduction available |
| 1 to 15 days | up to 1 |
| 16 to 31 days | up to 2 |