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Years with Same Calendar as 580 – Extended Range

The year 580 had 366 days and started on a Pazartesi (Turkey, Julian calendar).

This country was still using the Julian calendar in 580. 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 1926.

Years with same starting weekday and equal number of days to 580
YearCompared to year 580Since last
20560 years before 
48532 years before+ 28 years
76504 years before+ 28 years
104476 years before+ 28 years
132448 years before+ 28 years
160420 years before+ 28 years
188392 years before+ 28 years
216364 years before+ 28 years
244336 years before+ 28 years
272308 years before+ 28 years
300280 years before+ 28 years
328252 years before+ 28 years
356224 years before+ 28 years
384196 years before+ 28 years
412168 years before+ 28 years
440140 years before+ 28 years
468112 years before+ 28 years
49684 years before+ 28 years
52456 years before+ 28 years
55228 years before+ 28 years
580selected year+ 28 years
60828 years after+ 28 years
63656 years after+ 28 years
66484 years after+ 28 years
692112 years after+ 28 years
720140 years after+ 28 years
748168 years after+ 28 years
776196 years after+ 28 years
804224 years after+ 28 years
832252 years after+ 28 years
860280 years after+ 28 years
888308 years after+ 28 years
916336 years after+ 28 years
944364 years after+ 28 years
972392 years after+ 28 years
1000420 years after+ 28 years
35 years share the calendar of year 580 in the 1000-year time span from 1 to 1000.
Note that holidays will not match exactly. Selected year is highlighted.

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