Years with Same Calendar as 1643

Year: Country:

The year 1643 had 365 days and started on a četrtek (Slovenia, Gregorian calendar).

This country introduced the modern Gregorian calendar in year 1583, 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 1643
Year	Compared to year 1643	Since last
1545	98 years before
1551	92 years before	+ 6 years
1562	81 years before	+ 11 years
1573	70 years before	+ 11 years
1579	64 years before	+ 6 years
Slovenia adopted today's Gregorian calendar in 1583. All previous years are based on the Julian calendar.
1587	56 years before	+ 8 years
1598	45 years before	+ 11 years
1609	34 years before	+ 11 years
1615	28 years before	+ 6 years
1626	17 years before	+ 11 years
1637	6 years before	+ 11 years
1643	selected year	+ 6 years
1654	11 years after	+ 11 years
1665	22 years after	+ 11 years
1671	28 years after	+ 6 years
1682	39 years after	+ 11 years
1693	50 years after	+ 11 years
1699	56 years after	+ 6 years
1705	62 years after	+ 6 years
1711	68 years after	+ 6 years
1722	79 years after	+ 11 years
1733	90 years after	+ 11 years
1739	96 years after	+ 6 years
22 years share the calendar of year 1643 in the 200-year time span from 1543 to 1742. Note that holidays will not match exactly. Selected year is highlighted.

Extend to 1100 – 2099

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