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Months equal to September 2012

The month September 2012 has 30 days and starts on a Saturday. September 2012 has 5 Saturdays, 5 Sundays.

Months which have the same number of days and starting weekday as September 2012
YearMonthCompared to September 2012Since last
2002June10 years, 3 months before
2003November8 years, 10 months before+ 17 months
2006April6 years, 5 months before+ 2 years, 5 months
2007September5 years before+ 17 months
2008November3 years, 10 months before+ 14 months
2012Septemberselected month+ 3 years, 10 months
2013June9 months after+ 9 months
2014November2 years, 2 months after+ 17 months
2017April4 years, 7 months after+ 2 years, 5 months
2018September6 years after+ 17 months
2019June6 years, 9 months after+ 9 months
Between years 2002 and 2022 this occurs 11 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.