Years with Same Calendar as 1280 – Extended Range
The year 1280 had 366 days and started on a lundi (France, Julian calendar).
This country was still using the Julian calendar in year 1280. 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 1582. This affects the selection of years listed here.
| Years with same starting weekday and equal number of days to 1280 | ||
|---|---|---|
| Year | Compared to year 1280 | Since last |
| 720 | 560 years before | |
| 748 | 532 years before | + 28 years |
| 776 | 504 years before | + 28 years |
| 804 | 476 years before | + 28 years |
| 832 | 448 years before | + 28 years |
| 860 | 420 years before | + 28 years |
| 888 | 392 years before | + 28 years |
| 916 | 364 years before | + 28 years |
| 944 | 336 years before | + 28 years |
| 972 | 308 years before | + 28 years |
| 1000 | 280 years before | + 28 years |
| 1028 | 252 years before | + 28 years |
| 1056 | 224 years before | + 28 years |
| 1084 | 196 years before | + 28 years |
| 1112 | 168 years before | + 28 years |
| 1140 | 140 years before | + 28 years |
| 1168 | 112 years before | + 28 years |
| 1196 | 84 years before | + 28 years |
| 1224 | 56 years before | + 28 years |
| 1252 | 28 years before | + 28 years |
| 1280 | selected year | + 28 years |
| 1308 | 28 years after | + 28 years |
| 1336 | 56 years after | + 28 years |
| 1364 | 84 years after | + 28 years |
| 1392 | 112 years after | + 28 years |
| 1420 | 140 years after | + 28 years |
| 1448 | 168 years after | + 28 years |
| 1476 | 196 years after | + 28 years |
| 1504 | 224 years after | + 28 years |
| 1532 | 252 years after | + 28 years |
| 1560 | 280 years after | + 28 years |
| France adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar. | ||
| 1596 | 316 years after | + 36 years |
| 1624 | 344 years after | + 28 years |
| 1652 | 372 years after | + 28 years |
| 1680 | 400 years after | + 28 years | 34 years share the calendar of year 1280 in the 1000-year time span from 700 to 1699. Note that holidays will not match exactly. Selected year is highlighted. |
Which Years Have the Same Calendar?
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