Years with Same Calendar as 1921

Year:Country:

The year 1921 had 365 days and started on a Събота (Bulgaria, Gregorian calendar).

This country introduced the modern Gregorian calendar in year 1916, 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 1921
Year	Compared to year 1921	Since last
1821	100 years before
1827	94 years before	+ 6 years
1838	83 years before	+ 11 years
1849	72 years before	+ 11 years
1855	66 years before	+ 6 years
1866	55 years before	+ 11 years
1877	44 years before	+ 11 years
1883	38 years before	+ 6 years
1894	27 years before	+ 11 years
1905	16 years before	+ 11 years
1911	10 years before	+ 6 years
Bulgaria adopted today's Gregorian calendar in 1916. All previous years are based on the Julian calendar.
1921	selected year	+ 10 years
1927	6 years after	+ 6 years
1938	17 years after	+ 11 years
1949	28 years after	+ 11 years
1955	34 years after	+ 6 years
1966	45 years after	+ 11 years
1977	56 years after	+ 11 years
1983	62 years after	+ 6 years
1994	73 years after	+ 11 years
2005	84 years after	+ 11 years
2011	90 years after	+ 6 years
21 years share the calendar of year 1921 in the 200-year time span from 1821 to 2020. Note that holidays will not match exactly. Selected year is highlighted.

Extend to 1400 – 2399

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