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