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Years with Same Calendar as 1580 – Extended Range

The year 1580 had 366 days and started on a vendredi (France, Julian calendar).

This country was still using the Julian calendar in year 1580. 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 1580
YearCompared to year 1580Since last
1020560 years before 
1048532 years before+ 28 years
1076504 years before+ 28 years
1104476 years before+ 28 years
1132448 years before+ 28 years
1160420 years before+ 28 years
1188392 years before+ 28 years
1216364 years before+ 28 years
1244336 years before+ 28 years
1272308 years before+ 28 years
1300280 years before+ 28 years
1328252 years before+ 28 years
1356224 years before+ 28 years
1384196 years before+ 28 years
1412168 years before+ 28 years
1440140 years before+ 28 years
1468112 years before+ 28 years
149684 years before+ 28 years
152456 years before+ 28 years
155228 years before+ 28 years
1580selected year+ 28 years
France adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar.
15888 years after+ 8 years
161636 years after+ 28 years
164464 years after+ 28 years
167292 years after+ 28 years
1712132 years after+ 40 years
1740160 years after+ 28 years
1768188 years after+ 28 years
1796216 years after+ 28 years
1808228 years after+ 12 years
1836256 years after+ 28 years
1864284 years after+ 28 years
1892312 years after+ 28 years
1904324 years after+ 12 years
1932352 years after+ 28 years
1960380 years after+ 28 years
1988408 years after+ 28 years
36 years share the calendar of year 1580 in the 1000-year time span from 1000 to 1999.
Note that holidays will not match exactly. Selected year is highlighted.

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