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Months equal to May 2009

The month May 2009 has 31 days and starts on a Friday. May 2009 has 5 Fridays, 5 Saturdays, 5 Sundays.

Months which have the same number of days and starting weekday as May 2009
YearMonthCompared to May 2009Since last
1999January10 years, 4 months before
1999October9 years, 7 months before+ 9 months
2000December8 years, 5 months before+ 14 months
2002March7 years, 2 months before+ 15 months
2003August5 years, 9 months before+ 17 months
2004October4 years, 7 months before+ 14 months
2005July3 years, 10 months before+ 9 months
2006December2 years, 5 months before+ 17 months
2008August9 months before+ 20 months
2009Mayselected month+ 9 months
2010January8 months after+ 8 months
2010October17 months after+ 9 months
2011July2 years, 2 months after+ 9 months
2013March3 years, 10 months after+ 20 months
2014August5 years, 3 months after+ 17 months
2015May6 years after+ 9 months
2016January6 years, 8 months after+ 8 months
2016July7 years, 2 months after+ 6 months
2017December8 years, 7 months after+ 17 months
2019March9 years, 10 months after+ 15 months
Between years 1999 and 2019 this occurs 20 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.