Years with Same Calendar as 1664 – Extended Range
The year 1664 had 366 days and started on a Петък (Bulgaria, Julian calendar).
This country was still using the Julian calendar in year 1664. 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 1916. This affects the selection of years listed here.
| Years with same starting weekday and equal number of days to 1664 | ||
|---|---|---|
| Year | Compared to year 1664 | Since last |
| 1104 | 560 years before | |
| 1132 | 532 years before | + 28 years |
| 1160 | 504 years before | + 28 years |
| 1188 | 476 years before | + 28 years |
| 1216 | 448 years before | + 28 years |
| 1244 | 420 years before | + 28 years |
| 1272 | 392 years before | + 28 years |
| 1300 | 364 years before | + 28 years |
| 1328 | 336 years before | + 28 years |
| 1356 | 308 years before | + 28 years |
| 1384 | 280 years before | + 28 years |
| 1412 | 252 years before | + 28 years |
| 1440 | 224 years before | + 28 years |
| 1468 | 196 years before | + 28 years |
| 1496 | 168 years before | + 28 years |
| 1524 | 140 years before | + 28 years |
| 1552 | 112 years before | + 28 years |
| 1580 | 84 years before | + 28 years |
| 1608 | 56 years before | + 28 years |
| 1636 | 28 years before | + 28 years |
| 1664 | selected year | + 28 years |
| 1692 | 28 years after | + 28 years |
| 1720 | 56 years after | + 28 years |
| 1748 | 84 years after | + 28 years |
| 1776 | 112 years after | + 28 years |
| 1804 | 140 years after | + 28 years |
| 1832 | 168 years after | + 28 years |
| 1860 | 196 years after | + 28 years |
| 1888 | 224 years after | + 28 years |
| Bulgaria adopted today's Gregorian calendar in 1916. All previous years are based on the Julian calendar. | ||
| 1932 | 268 years after | + 44 years |
| 1960 | 296 years after | + 28 years |
| 1988 | 324 years after | + 28 years |
| 2016 | 352 years after | + 28 years |
| 2044 | 380 years after | + 28 years |
| 2072 | 408 years after | + 28 years | 34 years share the calendar of year 1664 in the 1000-year time span from 1100 to 2099. Note that holidays will not match exactly. Selected year is highlighted. |
Which Years Have the Same Calendar?
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Which Months Have the Same Calendar?
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