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Years with Same Calendar as 1804 – Extended Range

The year 1804 had 366 days and started on a Sonntag (Switzerland, Gregorian calendar).

This country introduced the modern Gregorian calendar in year 1701, 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 1804
YearCompared to year 1804Since last
1324480 years before 
1352452 years before+ 28 years
1380424 years before+ 28 years
1408396 years before+ 28 years
1436368 years before+ 28 years
1464340 years before+ 28 years
1492312 years before+ 28 years
1520284 years before+ 28 years
1548256 years before+ 28 years
1576228 years before+ 28 years
1604200 years before+ 28 years
1632172 years before+ 28 years
1660144 years before+ 28 years
1688116 years before+ 28 years
Switzerland adopted today's Gregorian calendar in 1701. All previous years are based on the Julian calendar.
170896 years before+ 20 years
173668 years before+ 28 years
176440 years before+ 28 years
179212 years before+ 28 years
1804selected year+ 12 years
183228 years after+ 28 years
186056 years after+ 28 years
188884 years after+ 28 years
1928124 years after+ 40 years
1956152 years after+ 28 years
1984180 years after+ 28 years
2012208 years after+ 28 years
2040236 years after+ 28 years
2068264 years after+ 28 years
2096292 years after+ 28 years
2108304 years after+ 12 years
2136332 years after+ 28 years
2164360 years after+ 28 years
2192388 years after+ 28 years
2204400 years after+ 12 years
2232428 years after+ 28 years
2260456 years after+ 28 years
2288484 years after+ 28 years
36 years share the calendar of year 1804 in the 1000-year time span from 1300 to 2299.
Note that holidays will not match exactly. Selected year is highlighted.

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