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Months equal to January 1880

The month January 1880 has 31 days and starts on a Thursday. January 1880 has 5 Thursdays, 5 Fridays, 5 Saturdays.

Months which have the same number of days and starting weekday as January 1880
YearMonthCompared to January 1880Since last
1870December9 years, 1 months before
1872August7 years, 5 months before+ 20 months
1873May6 years, 8 months before+ 9 months
1874January6 years before+ 8 months
1874October5 years, 3 months before+ 9 months
1875July4 years, 6 months before+ 9 months
1877March2 years, 10 months before+ 20 months
1878August17 months before+ 17 months
1879May8 months before+ 9 months
1880Januaryselected month+ 8 months
1880July6 months after+ 6 months
1881December23 months after+ 17 months
1883March3 years, 2 months after+ 15 months
1884May4 years, 4 months after+ 14 months
1885January5 years after+ 8 months
1885October5 years, 9 months after+ 9 months
1886July6 years, 6 months after+ 9 months
1887December7 years, 11 months after+ 17 months
1888March8 years, 2 months after+ 3 months
1889August9 years, 7 months after+ 17 months
1890May10 years, 4 months after+ 9 months
Between years 1870 and 1890 this occurs 21 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.