Islamic Hijri Calendar For January - 866 Hijri
| Western Date | Day of Week | Hijri Date |
|---|
| 1-January-866 | Tuesday | 9-Dhu Al-Hijjah-251 |
| 2-January-866 | Wednesday | 10-Dhu Al-Hijjah-251 |
| 3-January-866 | Thursday | 11-Dhu Al-Hijjah-251 |
| 4-January-866 | Friday | 12-Dhu Al-Hijjah-251 |
| 5-January-866 | Saturday | 13-Dhu Al-Hijjah-251 |
| 6-January-866 | Sunday | 14-Dhu Al-Hijjah-251 |
| 7-January-866 | Monday | 15-Dhu Al-Hijjah-251 |
| 8-January-866 | Tuesday | 16-Dhu Al-Hijjah-251 |
| 9-January-866 | Wednesday | 17-Dhu Al-Hijjah-251 |
| 10-January-866 | Thursday | 18-Dhu Al-Hijjah-251 |
| 11-January-866 | Friday | 19-Dhu Al-Hijjah-251 |
| 12-January-866 | Saturday | 20-Dhu Al-Hijjah-251 |
| 13-January-866 | Sunday | 21-Dhu Al-Hijjah-251 |
| 14-January-866 | Monday | 22-Dhu Al-Hijjah-251 |
| 15-January-866 | Tuesday | 23-Dhu Al-Hijjah-251 |
| 16-January-866 | Wednesday | 24-Dhu Al-Hijjah-251 |
| 17-January-866 | Thursday | 25-Dhu Al-Hijjah-251 |
| 18-January-866 | Friday | 26-Dhu Al-Hijjah-251 |
| 19-January-866 | Saturday | 27-Dhu Al-Hijjah-251 |
| 20-January-866 | Sunday | 28-Dhu Al-Hijjah-251 |
| 21-January-866 | Monday | 29-Dhu Al-Hijjah-251 |
| 22-January-866 | Tuesday | 1-Muharram-252 |
| 23-January-866 | Wednesday | 2-Muharram-252 |
| 24-January-866 | Thursday | 3-Muharram-252 |
| 25-January-866 | Friday | 4-Muharram-252 |
| 26-January-866 | Saturday | 5-Muharram-252 |
| 27-January-866 | Sunday | 6-Muharram-252 |
| 28-January-866 | Monday | 7-Muharram-252 |
| 29-January-866 | Tuesday | 8-Muharram-252 |
| 30-January-866 | Wednesday | 9-Muharram-252 |
| 31-January-866 | Thursday | 10-Muharram-252 |
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