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Months equal to October 1990

The month October 1990 has 31 days and starts on a Monday. October 1990 has 5 Mondays, 5 Tuesdays, 5 Wednesdays.

Months which have the same number of days and starting weekday as October 1990
YearMonthCompared to October 1990Since last
1980December9 years, 10 months before
1982March8 years, 7 months before+ 15 months
1983August7 years, 2 months before+ 17 months
1984October6 years before+ 14 months
1985July5 years, 3 months before+ 9 months
1986December3 years, 10 months before+ 17 months
1988August2 years, 2 months before+ 20 months
1989May17 months before+ 9 months
1990January9 months before+ 8 months
1990Octoberselected month+ 9 months
1991July9 months after+ 9 months
1993March2 years, 5 months after+ 20 months
1994August3 years, 10 months after+ 17 months
1995May4 years, 7 months after+ 9 months
1996January5 years, 3 months after+ 8 months
1996July5 years, 9 months after+ 6 months
1997December7 years, 2 months after+ 17 months
1999March8 years, 5 months after+ 15 months
2000May9 years, 7 months after+ 14 months
Between years 1980 and 2000 this occurs 19 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?

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When Does a Date Fall on a Certain Weekday?

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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.