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Months equal to May 2015

The month May 2015 has 31 days and starts on a Friday. May 2015 has 5 Fridays, 5 Saturdays, 5 Sundays.

Months which have the same number of days and starting weekday as May 2015
YearMonthCompared to May 2015Since last
2005July9 years, 10 months before
2006December8 years, 5 months before+ 17 months
2008August6 years, 9 months before+ 20 months
2009May6 years before+ 9 months
2010January5 years, 4 months before+ 8 months
2010October4 years, 7 months before+ 9 months
2011July3 years, 10 months before+ 9 months
2013March2 years, 2 months before+ 20 months
2014August9 months before+ 17 months
2015Mayselected month+ 9 months
2016January8 months after+ 8 months
2016July14 months after+ 6 months
2017December2 years, 7 months after+ 17 months
2019March3 years, 10 months after+ 15 months
2020May5 years after+ 14 months
2021January5 years, 8 months after+ 8 months
2021October6 years, 5 months after+ 9 months
2022July7 years, 2 months after+ 9 months
2023December8 years, 7 months after+ 17 months
2024March8 years, 10 months after+ 3 months
2025August10 years, 3 months after+ 17 months
Between years 2005 and 2025 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.