| Western Date | Day of Week | Hijri Date |
|---|
| 19-Jan-1980 | Saturday | 1-Rabi al-awwal-1400 |
| 20-Jan-1980 | Sunday | 2-Rabi al-awwal-1400 |
| 21-Jan-1980 | Monday | 3-Rabi al-awwal-1400 |
| 22-Jan-1980 | Tuesday | 4-Rabi al-awwal-1400 |
| 23-Jan-1980 | Wednesday | 5-Rabi al-awwal-1400 |
| 24-Jan-1980 | Thursday | 6-Rabi al-awwal-1400 |
| 25-Jan-1980 | Friday | 7-Rabi al-awwal-1400 |
| 26-Jan-1980 | Saturday | 8-Rabi al-awwal-1400 |
| 27-Jan-1980 | Sunday | 9-Rabi al-awwal-1400 |
| 28-Jan-1980 | Monday | 10-Rabi al-awwal-1400 |
| 29-Jan-1980 | Tuesday | 11-Rabi al-awwal-1400 |
| 30-Jan-1980 | Wednesday | 12-Rabi al-awwal-1400 |
| 31-Jan-1980 | Thursday | 13-Rabi al-awwal-1400 |
| 1-Feb-1980 | Friday | 14-Rabi al-awwal-1400 |
| 2-Feb-1980 | Saturday | 15-Rabi al-awwal-1400 |
| 3-Feb-1980 | Sunday | 16-Rabi al-awwal-1400 |
| 4-Feb-1980 | Monday | 17-Rabi al-awwal-1400 |
| 5-Feb-1980 | Tuesday | 18-Rabi al-awwal-1400 |
| 6-Feb-1980 | Wednesday | 19-Rabi al-awwal-1400 |
| 7-Feb-1980 | Thursday | 20-Rabi al-awwal-1400 |
| 8-Feb-1980 | Friday | 21-Rabi al-awwal-1400 |
| 9-Feb-1980 | Saturday | 22-Rabi al-awwal-1400 |
| 10-Feb-1980 | Sunday | 23-Rabi al-awwal-1400 |
| 11-Feb-1980 | Monday | 24-Rabi al-awwal-1400 |
| 12-Feb-1980 | Tuesday | 25-Rabi al-awwal-1400 |
| 13-Feb-1980 | Wednesday | 26-Rabi al-awwal-1400 |
| 14-Feb-1980 | Thursday | 27-Rabi al-awwal-1400 |
| 15-Feb-1980 | Friday | 28-Rabi al-awwal-1400 |
| 16-Feb-1980 | Saturday | 29-Rabi al-awwal-1400 |
| 17-Feb-1980 | Sunday | 30-Rabi al-awwal-1400 |
Crescent Visibility Calculation:
Start of month
- New Moon
-
- 1980-01-18 00:20:17 +03:00
-
- Sun-set at Mecca
-
- 1980-01-17 18:00:11 +03:00
-
- Age at sunset
-
- -6:20 Hrs
-
- Visible if age >= 9 Hrs
-
- Not Visible
-
- First day of month
-
- 1980-01-19
-
End of month
- New Moon
-
- 1980-02-16 11:51:41 +03:00
-
- Sun-set at Mecca
-
- 1980-02-16 18:18:37 +03:00
-
- Age at sunset
-
- 6:26
-
- Visible if age >= 9 Hrs
-
- Not Visible
-
- First day of month
-
- 1980-02-18
-