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Years with Same Calendar as 1644 – Extended Range

The year 1644 had 366 days and started on a Friday (Morocco, Gregorian calendar).

This country introduced the modern Gregorian calendar in year 1582, so previous years are based on the Julian calendar. In that calendar system, a Leap Day was added every four years, without the exceptions defined in today's Gregorian calendar. This affects the selection of years listed here.

Years with same starting weekday and equal number of days to 1644
YearCompared to year 1644Since last
1104540 years before 
1132512 years before+ 28 years
1160484 years before+ 28 years
1188456 years before+ 28 years
1216428 years before+ 28 years
1244400 years before+ 28 years
1272372 years before+ 28 years
1300344 years before+ 28 years
1328316 years before+ 28 years
1356288 years before+ 28 years
1384260 years before+ 28 years
1412232 years before+ 28 years
1440204 years before+ 28 years
1468176 years before+ 28 years
1496148 years before+ 28 years
1524120 years before+ 28 years
155292 years before+ 28 years
158064 years before+ 28 years
Morocco adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar.
158856 years before+ 8 years
161628 years before+ 28 years
1644selected year+ 28 years
167228 years after+ 28 years
171268 years after+ 40 years
174096 years after+ 28 years
1768124 years after+ 28 years
1796152 years after+ 28 years
1808164 years after+ 12 years
1836192 years after+ 28 years
1864220 years after+ 28 years
1892248 years after+ 28 years
1904260 years after+ 12 years
1932288 years after+ 28 years
1960316 years after+ 28 years
1988344 years after+ 28 years
2016372 years after+ 28 years
2044400 years after+ 28 years
2072428 years after+ 28 years
36 years share the calendar of year 1644 in the 1000-year time span from 1100 to 2099.
Note that holidays will not match exactly. Selected year is highlighted.

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