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Months equal to September 2020

The month September 2020 has 30 days and starts on a Tuesday. September 2020 has 5 Tuesdays, 5 Wednesdays.

Months which have the same number of days and starting weekday as September 2020
YearMonthCompared to September 2020Since last
2010June10 years, 3 months before
2011November8 years, 10 months before+ 17 months
2014April6 years, 5 months before+ 2 years, 5 months
2015September5 years before+ 17 months
2016November3 years, 10 months before+ 14 months
2020Septemberselected month+ 3 years, 10 months
2021June9 months after+ 9 months
2022November2 years, 2 months after+ 17 months
2025April4 years, 7 months after+ 2 years, 5 months
2026September6 years after+ 17 months
2027June6 years, 9 months after+ 9 months
Between years 2010 and 2030 this occurs 11 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.