Islamic Hijri Calendar For January - 660 Hijri
| Western Date | Day of Week | Hijri Date |
| 1-January-660 | Wednesday | 12-Shaban-39 |
| 2-January-660 | Thursday | 13-Shaban-39 |
| 3-January-660 | Friday | 14-Shaban-39 |
| 4-January-660 | Saturday | 15-Shaban-39 |
| 5-January-660 | Sunday | 16-Shaban-39 |
| 6-January-660 | Monday | 17-Shaban-39 |
| 7-January-660 | Tuesday | 18-Shaban-39 |
| 8-January-660 | Wednesday | 19-Shaban-39 |
| 9-January-660 | Thursday | 20-Shaban-39 |
| 10-January-660 | Friday | 21-Shaban-39 |
| 11-January-660 | Saturday | 22-Shaban-39 |
| 12-January-660 | Sunday | 23-Shaban-39 |
| 13-January-660 | Monday | 24-Shaban-39 |
| 14-January-660 | Tuesday | 25-Shaban-39 |
| 15-January-660 | Wednesday | 26-Shaban-39 |
| 16-January-660 | Thursday | 27-Shaban-39 |
| 17-January-660 | Friday | 28-Shaban-39 |
| 18-January-660 | Saturday | 29-Shaban-39 |
| 19-January-660 | Sunday | 30-Shaban-39 |
| 20-January-660 | Monday | 1-Ramadan-39 |
| 21-January-660 | Tuesday | 2-Ramadan-39 |
| 22-January-660 | Wednesday | 3-Ramadan-39 |
| 23-January-660 | Thursday | 4-Ramadan-39 |
| 24-January-660 | Friday | 5-Ramadan-39 |
| 25-January-660 | Saturday | 6-Ramadan-39 |
| 26-January-660 | Sunday | 7-Ramadan-39 |
| 27-January-660 | Monday | 8-Ramadan-39 |
| 28-January-660 | Tuesday | 9-Ramadan-39 |
| 29-January-660 | Wednesday | 10-Ramadan-39 |
| 30-January-660 | Thursday | 11-Ramadan-39 |
| 31-January-660 | Friday | 12-Ramadan-39 |
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