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Months equal to January 2021

The month January 2021 has 31 days and starts on a Friday. January 2021 has 5 Fridays, 5 Saturdays, 5 Sundays.

Months which have the same number of days and starting weekday as January 2021
YearMonthCompared to January 2021Since last
2011July9 years, 6 months before
2013March7 years, 10 months before+ 20 months
2014August6 years, 5 months before+ 17 months
2015May5 years, 8 months before+ 9 months
2016January5 years before+ 8 months
2016July4 years, 6 months before+ 6 months
2017December3 years, 1 months before+ 17 months
2019March22 months before+ 15 months
2020May8 months before+ 14 months
2021Januaryselected month+ 8 months
2021October9 months after+ 9 months
2022July18 months after+ 9 months
2023December2 years, 11 months after+ 17 months
2024March3 years, 2 months after+ 3 months
2025August4 years, 7 months after+ 17 months
2026May5 years, 4 months after+ 9 months
2027January6 years after+ 8 months
2027October6 years, 9 months after+ 9 months
2028December7 years, 11 months after+ 14 months
2030March9 years, 2 months after+ 15 months
2031August10 years, 7 months after+ 17 months
Between years 2011 and 2031 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.