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Months equal to August 2021

The month August 2021 has 31 days and starts on a Sunday. August 2021 has 5 Sundays, 5 Mondays, 5 Tuesdays.

Months which have the same number of days and starting weekday as August 2021
YearMonthCompared to August 2021Since last
2011May10 years, 3 months before
2012January9 years, 7 months before+ 8 months
2012July9 years, 1 months before+ 6 months
2013December7 years, 8 months before+ 17 months
2015March6 years, 5 months before+ 15 months
2016May5 years, 3 months before+ 14 months
2017January4 years, 7 months before+ 8 months
2017October3 years, 10 months before+ 9 months
2018July3 years, 1 months before+ 9 months
2019December20 months before+ 17 months
2020March17 months before+ 3 months
2021Augustselected month+ 17 months
2022May9 months after+ 9 months
2023January17 months after+ 8 months
2023October2 years, 2 months after+ 9 months
2024December3 years, 4 months after+ 14 months
2026March4 years, 7 months after+ 15 months
2027August6 years after+ 17 months
2028October7 years, 2 months after+ 14 months
2029July7 years, 11 months after+ 9 months
2030December9 years, 4 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.