The Hijri date 4/4/1680 corresponds to the Gregorian date of Monday, October 20, 2251. The solar calendar date corresponds to 28 Mizān (Libra) 1630, which all occur on one single day, that is Monday. In addition, there is one Julian date, which is 2543513.
| Gregorian date: | Monday, October 20, 2251 |
|---|---|
| Short Gregorian Date: | 10/20/51 |
| Hijri date: | Rabi II 4, 1680 AH |
| Short Hijri Date: | 4/4/1680 |
| Solar date: | 28 Mizān (Libra) 1630 |
| Short Solar Date: | 28/1/1630 |
| Day: | Monday |
| Julian date: | 2543513 (Julian) |
According to the calendar, the year 2251 is not a leap year as of October 20, 2251.