Home   Calendar   Repeating months

Months equal to January 1971

The month January 1971 has 31 days and starts on a Friday. January 1971 has 5 Fridays, 5 Saturdays, 5 Sundays.

Months which have the same number of days and starting weekday as January 1971
YearMonthCompared to January 1971Since last
1961December9 years, 1 months before
1963March7 years, 10 months before+ 15 months
1964May6 years, 8 months before+ 14 months
1965January6 years before+ 8 months
1965October5 years, 3 months before+ 9 months
1966July4 years, 6 months before+ 9 months
1967December3 years, 1 months before+ 17 months
1968March2 years, 10 months before+ 3 months
1969August17 months before+ 17 months
1970May8 months before+ 9 months
1971Januaryselected month+ 8 months
1971October9 months after+ 9 months
1972December23 months after+ 14 months
1974March3 years, 2 months after+ 15 months
1975August4 years, 7 months after+ 17 months
1976October5 years, 9 months after+ 14 months
1977July6 years, 6 months after+ 9 months
1978December7 years, 11 months after+ 17 months
1980August9 years, 7 months after+ 20 months
1981May10 years, 4 months after+ 9 months
Between years 1961 and 1981 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?

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.