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Months equal to October 2009

The month October 2009 has 31 days and starts on a Thursday. October 2009 has 5 Thursdays, 5 Fridays, 5 Saturdays.

Months which have the same number of days and starting weekday as October 2009
YearMonthCompared to October 2009Since last
1999July10 years, 3 months before
2001March8 years, 7 months before+ 20 months
2002August7 years, 2 months before+ 17 months
2003May6 years, 5 months before+ 9 months
2004January5 years, 9 months before+ 8 months
2004July5 years, 3 months before+ 6 months
2005December3 years, 10 months before+ 17 months
2007March2 years, 7 months before+ 15 months
2008May17 months before+ 14 months
2009January9 months before+ 8 months
2009Octoberselected month+ 9 months
2010July9 months after+ 9 months
2011December2 years, 2 months after+ 17 months
2012March2 years, 5 months after+ 3 months
2013August3 years, 10 months after+ 17 months
2014May4 years, 7 months after+ 9 months
2015January5 years, 3 months after+ 8 months
2015October6 years after+ 9 months
2016December7 years, 2 months after+ 14 months
2018March8 years, 5 months after+ 15 months
2019August9 years, 10 months after+ 17 months
Between years 1999 and 2019 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.