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Months equal to December 1911

The month December 1911 has 31 days and starts on a Friday. December 1911 has 5 Fridays, 5 Saturdays, 5 Sundays.

Months which have the same number of days and starting weekday as December 1911
YearMonthCompared to December 1911Since last
1901March10 years, 9 months before
1902August9 years, 4 months before+ 17 months
1903May8 years, 7 months before+ 9 months
1904January7 years, 11 months before+ 8 months
1904July7 years, 5 months before+ 6 months
1905December6 years before+ 17 months
1907March4 years, 9 months before+ 15 months
1908May3 years, 7 months before+ 14 months
1909January2 years, 11 months before+ 8 months
1909October2 years, 2 months before+ 9 months
1910July17 months before+ 9 months
1911Decemberselected month+ 17 months
1912March3 months after+ 3 months
1913August20 months after+ 17 months
1914May2 years, 5 months after+ 9 months
1915January3 years, 1 months after+ 8 months
1915October3 years, 10 months after+ 9 months
1916December5 years after+ 14 months
1918March6 years, 3 months after+ 15 months
1919August7 years, 8 months after+ 17 months
1920October8 years, 10 months after+ 14 months
1921July9 years, 7 months after+ 9 months
Between years 1901 and 1921 this occurs 22 times. Note that holidays seldom match exactly. Selected month is highlighted.

Which Years Have the Same Calendar?

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Which Months Have the Same Calendar?

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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.

About repeating months

A year has 7 months containing 31 days, 4 months containing 30 days and the final month has either 28 or 29 days. All weekdays occur four times.

This means that:

  • 31-day months repeat on average once every year.
  • 30-day months repeat on average four times every 7 years.
  • 29-day months repeat on average once every 28 years.
  • 28-day months repeat on average 3 times every 28 years.