Islamic Hijri Calendar For December - 644 Hijri
| Western Date | Day of Week | Hijri Date |
| 1-December-644 | Wednesday | 25-Muharram-24 |
| 2-December-644 | Thursday | 26-Muharram-24 |
| 3-December-644 | Friday | 27-Muharram-24 |
| 4-December-644 | Saturday | 28-Muharram-24 |
| 5-December-644 | Sunday | 29-Muharram-24 |
| 6-December-644 | Monday | 30-Muharram-24 |
| 7-December-644 | Tuesday | 1-Safar-24 |
| 8-December-644 | Wednesday | 2-Safar-24 |
| 9-December-644 | Thursday | 3-Safar-24 |
| 10-December-644 | Friday | 4-Safar-24 |
| 11-December-644 | Saturday | 5-Safar-24 |
| 12-December-644 | Sunday | 6-Safar-24 |
| 13-December-644 | Monday | 7-Safar-24 |
| 14-December-644 | Tuesday | 8-Safar-24 |
| 15-December-644 | Wednesday | 9-Safar-24 |
| 16-December-644 | Thursday | 10-Safar-24 |
| 17-December-644 | Friday | 11-Safar-24 |
| 18-December-644 | Saturday | 12-Safar-24 |
| 19-December-644 | Sunday | 13-Safar-24 |
| 20-December-644 | Monday | 14-Safar-24 |
| 21-December-644 | Tuesday | 15-Safar-24 |
| 22-December-644 | Wednesday | 16-Safar-24 |
| 23-December-644 | Thursday | 17-Safar-24 |
| 24-December-644 | Friday | 18-Safar-24 |
| 25-December-644 | Saturday | 19-Safar-24 |
| 26-December-644 | Sunday | 20-Safar-24 |
| 27-December-644 | Monday | 21-Safar-24 |
| 28-December-644 | Tuesday | 22-Safar-24 |
| 29-December-644 | Wednesday | 23-Safar-24 |
| 30-December-644 | Thursday | 24-Safar-24 |
| 31-December-644 | Friday | 25-Safar-24 |
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