Years with Same Calendar as 680
The year 680 had 366 days and started on a Sunday (Ireland, Julian calendar).
This country was still using the Julian calendar in 680. In that calendar system, a Leap Day was added every four years, without the exceptions defined in today's Gregorian calendar. The Gregorian calendar was introduced in 1752.
| Years with same starting weekday and equal number of days to 680 | ||
|---|---|---|
| Year | Compared to year 680 | Since last |
| 596 | 84 years before | |
| 624 | 56 years before | + 28 years |
| 652 | 28 years before | + 28 years |
| 680 | selected year | + 28 years |
| 708 | 28 years after | + 28 years |
| 736 | 56 years after | + 28 years |
| 764 | 84 years after | + 28 years | 6 years share the calendar of year 680 in the 200-year time span from 580 to 779. Note that holidays will not match exactly. Selected year is highlighted. |
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