Years with Same Calendar as 1623

Year:Country:

The year 1623 had 365 days and started on a Domingo (Brazil, 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 1623
Year	Compared to year 1623	Since last
1525	98 years before
1531	92 years before	+ 6 years
1542	81 years before	+ 11 years
1553	70 years before	+ 11 years
1559	64 years before	+ 6 years
1570	53 years before	+ 11 years
1581	42 years before	+ 11 years
Brazil adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar.
1589	34 years before	+ 8 years
1595	28 years before	+ 6 years
1606	17 years before	+ 11 years
1617	6 years before	+ 11 years
1623	selected year	+ 6 years
1634	11 years after	+ 11 years
1645	22 years after	+ 11 years
1651	28 years after	+ 6 years
1662	39 years after	+ 11 years
1673	50 years after	+ 11 years
1679	56 years after	+ 6 years
1690	67 years after	+ 11 years
1702	79 years after	+ 12 years
1713	90 years after	+ 11 years
1719	96 years after	+ 6 years
21 years share the calendar of year 1623 in the 200-year time span from 1523 to 1722. Note that holidays will not match exactly. Selected year is highlighted.

Extend to 1100 – 2099

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