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Months equal to October 2017

The month October 2017 has 31 days and starts on a Sunday. October 2017 has 5 Sundays, 5 Mondays, 5 Tuesdays.

Months which have the same number of days and starting weekday as October 2017
YearMonthCompared to October 2017Since last
2007July10 years, 3 months before
2009March8 years, 7 months before+ 20 months
2010August7 years, 2 months before+ 17 months
2011May6 years, 5 months before+ 9 months
2012January5 years, 9 months before+ 8 months
2012July5 years, 3 months before+ 6 months
2013December3 years, 10 months before+ 17 months
2015March2 years, 7 months before+ 15 months
2016May17 months before+ 14 months
2017January9 months before+ 8 months
2017Octoberselected month+ 9 months
2018July9 months after+ 9 months
2019December2 years, 2 months after+ 17 months
2020March2 years, 5 months after+ 3 months
2021August3 years, 10 months after+ 17 months
2022May4 years, 7 months after+ 9 months
2023January5 years, 3 months after+ 8 months
2023October6 years after+ 9 months
2024December7 years, 2 months after+ 14 months
2026March8 years, 5 months after+ 15 months
2027August9 years, 10 months after+ 17 months
Between years 2007 and 2027 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.