Islamic Hijri Calendar For April - 640 Hijri
| Western Date | Day of Week | Hijri Date |
|---|
| 1-April-640 | Saturday | 3-Rabi al-thani-19 |
| 2-April-640 | Sunday | 4-Rabi al-thani-19 |
| 3-April-640 | Monday | 5-Rabi al-thani-19 |
| 4-April-640 | Tuesday | 6-Rabi al-thani-19 |
| 5-April-640 | Wednesday | 7-Rabi al-thani-19 |
| 6-April-640 | Thursday | 8-Rabi al-thani-19 |
| 7-April-640 | Friday | 9-Rabi al-thani-19 |
| 8-April-640 | Saturday | 10-Rabi al-thani-19 |
| 9-April-640 | Sunday | 11-Rabi al-thani-19 |
| 10-April-640 | Monday | 12-Rabi al-thani-19 |
| 11-April-640 | Tuesday | 13-Rabi al-thani-19 |
| 12-April-640 | Wednesday | 14-Rabi al-thani-19 |
| 13-April-640 | Thursday | 15-Rabi al-thani-19 |
| 14-April-640 | Friday | 16-Rabi al-thani-19 |
| 15-April-640 | Saturday | 17-Rabi al-thani-19 |
| 16-April-640 | Sunday | 18-Rabi al-thani-19 |
| 17-April-640 | Monday | 19-Rabi al-thani-19 |
| 18-April-640 | Tuesday | 20-Rabi al-thani-19 |
| 19-April-640 | Wednesday | 21-Rabi al-thani-19 |
| 20-April-640 | Thursday | 22-Rabi al-thani-19 |
| 21-April-640 | Friday | 23-Rabi al-thani-19 |
| 22-April-640 | Saturday | 24-Rabi al-thani-19 |
| 23-April-640 | Sunday | 25-Rabi al-thani-19 |
| 24-April-640 | Monday | 26-Rabi al-thani-19 |
| 25-April-640 | Tuesday | 27-Rabi al-thani-19 |
| 26-April-640 | Wednesday | 28-Rabi al-thani-19 |
| 27-April-640 | Thursday | 29-Rabi al-thani-19 |
| 28-April-640 | Friday | 30-Rabi al-thani-19 |
| 29-April-640 | Saturday | 1-Jumada al-awwal-19 |
| 30-April-640 | Sunday | 2-Jumada al-awwal-19 |