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Years with Same Calendar as 1604 – Extended Range

The year 1604 had 366 days and started on a giovedì (Italy, 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 1604
YearCompared to year 1604Since last
1120484 years before 
1148456 years before+ 28 years
1176428 years before+ 28 years
1204400 years before+ 28 years
1232372 years before+ 28 years
1260344 years before+ 28 years
1288316 years before+ 28 years
1316288 years before+ 28 years
1344260 years before+ 28 years
1372232 years before+ 28 years
1400204 years before+ 28 years
1428176 years before+ 28 years
1456148 years before+ 28 years
1484120 years before+ 28 years
151292 years before+ 28 years
154064 years before+ 28 years
156836 years before+ 28 years
Italy adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar.
1604selected year+ 36 years
163228 years after+ 28 years
166056 years after+ 28 years
168884 years after+ 28 years
1728124 years after+ 40 years
1756152 years after+ 28 years
1784180 years after+ 28 years
1824220 years after+ 40 years
1852248 years after+ 28 years
1880276 years after+ 28 years
1920316 years after+ 40 years
1948344 years after+ 28 years
1976372 years after+ 28 years
2004400 years after+ 28 years
2032428 years after+ 28 years
2060456 years after+ 28 years
2088484 years after+ 28 years
33 years share the calendar of year 1604 in the 1000-year time span from 1100 to 2099.
Note that holidays will not match exactly. Selected year is highlighted.

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