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Months equal to October 1987

The month October 1987 has 31 days and starts on a Thursday. October 1987 has 5 Thursdays, 5 Fridays, 5 Saturdays.

Months which have the same number of days and starting weekday as October 1987
YearMonthCompared to October 1987Since last
1977December9 years, 10 months before
1979March8 years, 7 months before+ 15 months
1980May7 years, 5 months before+ 14 months
1981January6 years, 9 months before+ 8 months
1981October6 years before+ 9 months
1982July5 years, 3 months before+ 9 months
1983December3 years, 10 months before+ 17 months
1984March3 years, 7 months before+ 3 months
1985August2 years, 2 months before+ 17 months
1986May17 months before+ 9 months
1987January9 months before+ 8 months
1987Octoberselected month+ 9 months
1988December14 months after+ 14 months
1990March2 years, 5 months after+ 15 months
1991August3 years, 10 months after+ 17 months
1992October5 years after+ 14 months
1993July5 years, 9 months after+ 9 months
1994December7 years, 2 months after+ 17 months
1996August8 years, 10 months after+ 20 months
1997May9 years, 7 months after+ 9 months
Between years 1977 and 1997 this occurs 20 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?

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.