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Years with Same Calendar as 668 – Extended Range

The year 668 had 366 days and started on a Saturday (Belarus, Julian calendar).

This country was still using the Julian calendar in 668. In that calendar system, a Leap Day was added every four years, without the exceptions defined in today's Gregorian calendar. The Gregorian calendar was introduced in 1752.

Years with same starting weekday and equal number of days to 668
YearCompared to year 668Since last
108560 years before 
136532 years before+ 28 years
164504 years before+ 28 years
192476 years before+ 28 years
220448 years before+ 28 years
248420 years before+ 28 years
276392 years before+ 28 years
304364 years before+ 28 years
332336 years before+ 28 years
360308 years before+ 28 years
388280 years before+ 28 years
416252 years before+ 28 years
444224 years before+ 28 years
472196 years before+ 28 years
500168 years before+ 28 years
528140 years before+ 28 years
556112 years before+ 28 years
58484 years before+ 28 years
61256 years before+ 28 years
64028 years before+ 28 years
668selected year+ 28 years
69628 years after+ 28 years
72456 years after+ 28 years
75284 years after+ 28 years
780112 years after+ 28 years
808140 years after+ 28 years
836168 years after+ 28 years
864196 years after+ 28 years
892224 years after+ 28 years
920252 years after+ 28 years
948280 years after+ 28 years
976308 years after+ 28 years
1004336 years after+ 28 years
1032364 years after+ 28 years
1060392 years after+ 28 years
1088420 years after+ 28 years
35 years share the calendar of year 668 in the 1000-year time span from 100 to 1099.
Note that holidays will not match exactly. Selected year is highlighted.

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