Years with Same Calendar as 100

Year:Country:

The year 100 had 365 days and started on a Friday.

Note: You have selected the Gregorian calendar. Results are based on that calendar system even for years where the Julian calendar was still used. Countries adopted the Gregorian calendar in different years. To take the calendar switch into account, please select a country from the list instead.

Years with same starting weekday and equal number of days to 100
Year	Compared to year 100	Since last
10	90 years before
21	79 years before	+ 11 years
27	73 years before	+ 6 years
38	62 years before	+ 11 years
49	51 years before	+ 11 years
55	45 years before	+ 6 years
66	34 years before	+ 11 years
77	23 years before	+ 11 years
83	17 years before	+ 6 years
94	6 years before	+ 11 years
100	selected year	+ 6 years
106	6 years after	+ 6 years
117	17 years after	+ 11 years
123	23 years after	+ 6 years
134	34 years after	+ 11 years
145	45 years after	+ 11 years
151	51 years after	+ 6 years
162	62 years after	+ 11 years
173	73 years after	+ 11 years
179	79 years after	+ 6 years
190	90 years after	+ 11 years
20 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.