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Years with Same Calendar as 100

The year 100 had 366 days and started on a Wednesday.

Note: You have selected the Julian calendar, an old calendar system where a Leap Day was added every four years, without the exceptions defined in today's Gregorian calendar.

Years with same starting weekday and equal number of days to 100
YearCompared to year 100Since last
1684 years before 
4456 years before+ 28 years
7228 years before+ 28 years
100selected year+ 28 years
12828 years after+ 28 years
15656 years after+ 28 years
18484 years after+ 28 years
6 years share the calendar of year 100 in the 200-year time span from 1 to 200.
Note that holidays will not match exactly. Selected year is highlighted.

Extend to 1 – 1000


Which Years Have the Same Calendar?

Reuse your yearly calendar by finding years that have the same number of days and start on the same day of the week.

Which Months Have the Same Calendar?

Find months that have the same number of days and start on the same day of the week.

When Does a Date Fall on a Certain Weekday?

Do you feel dates like Friday the 13th occur often? This calculator tells you exactly when.