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Months equal to September 1911

The month September 1911 has 30 days and starts on a Friday. September 1911 has 5 Fridays, 5 Saturdays.

Months which have the same number of days and starting weekday as September 1911
YearMonthCompared to September 1911Since last
1901November9 years, 10 months before
1904April7 years, 5 months before+ 2 years, 5 months
1905September6 years before+ 17 months
1906June5 years, 3 months before+ 9 months
1907November3 years, 10 months before+ 17 months
1910April17 months before+ 2 years, 5 months
1911Septemberselected month+ 17 months
1912November14 months after+ 14 months
1916September5 years after+ 3 years, 10 months
1917June5 years, 9 months after+ 9 months
1918November7 years, 2 months after+ 17 months
1921April9 years, 7 months after+ 2 years, 5 months
Between years 1901 and 1921 this occurs 12 times. Note that holidays seldom match exactly. Selected month is highlighted.

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.

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.