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Years with Same Calendar as 1645

The year 1645 had 365 days and started on a Sunday (New Caledonia, 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 1645
Year Compared to year 1645 Since last
1553 92 years before  
1559 86 years before + 6 years
1570 75 years before + 11 years
1581 64 years before + 11 years
New Caledonia adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar.
1589 56 years before + 8 years
1595 50 years before + 6 years
1606 39 years before + 11 years
1617 28 years before + 11 years
1623 22 years before + 6 years
1634 11 years before + 11 years
1645 selected year + 11 years
1651 6 years after + 6 years
1662 17 years after + 11 years
1673 28 years after + 11 years
1679 34 years after + 6 years
1690 45 years after + 11 years
1702 57 years after + 12 years
1713 68 years after + 11 years
1719 74 years after + 6 years
1730 85 years after + 11 years
1741 96 years after + 11 years
20 years share the calendar of year 1645 in the 200-year time span from 1545 to 1744.
Note that holidays will not match exactly. Selected year is highlighted.

Extend to 1100 – 2099


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