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Years with Same Calendar as 2004 – Extended Range

The year 2004 had 366 days and started on a Thursday (United States, Gregorian calendar).

This country introduced the modern Gregorian calendar in year 1752, 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 2004
YearCompared to year 2004Since last
1512492 years before 
1540464 years before+ 28 years
1568436 years before+ 28 years
1596408 years before+ 28 years
1624380 years before+ 28 years
1652352 years before+ 28 years
1680324 years before+ 28 years
1708296 years before+ 28 years
1736268 years before+ 28 years
United States adopted today's Gregorian calendar in 1752. All previous years are based on the Julian calendar.
1756248 years before+ 20 years
1784220 years before+ 28 years
1824180 years before+ 40 years
1852152 years before+ 28 years
1880124 years before+ 28 years
192084 years before+ 40 years
194856 years before+ 28 years
197628 years before+ 28 years
2004selected year+ 28 years
203228 years after+ 28 years
206056 years after+ 28 years
208884 years after+ 28 years
2128124 years after+ 40 years
2156152 years after+ 28 years
2184180 years after+ 28 years
2224220 years after+ 40 years
2252248 years after+ 28 years
2280276 years after+ 28 years
2320316 years after+ 40 years
2348344 years after+ 28 years
2376372 years after+ 28 years
2404400 years after+ 28 years
2432428 years after+ 28 years
2460456 years after+ 28 years
2488484 years after+ 28 years
33 years share the calendar of year 2004 in the 1000-year time span from 1500 to 2499.
Note that holidays will not match exactly. Selected year is highlighted.

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Which Years Have the Same Calendar?

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