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Months equal to December 2013

The month December 2013 has 31 days and starts on a Sunday. December 2013 has 5 Sundays, 5 Mondays, 5 Tuesdays.

Months which have the same number of days and starting weekday as December 2013
YearMonthCompared to December 2013Since last
2004August9 years, 4 months before
2005May8 years, 7 months before+ 9 months
2006January7 years, 11 months before+ 8 months
2006October7 years, 2 months before+ 9 months
2007July6 years, 5 months before+ 9 months
2009March4 years, 9 months before+ 20 months
2010August3 years, 4 months before+ 17 months
2011May2 years, 7 months before+ 9 months
2012January23 months before+ 8 months
2012July17 months before+ 6 months
2013Decemberselected month+ 17 months
2015March15 months after+ 15 months
2016May2 years, 5 months after+ 14 months
2017January3 years, 1 months after+ 8 months
2017October3 years, 10 months after+ 9 months
2018July4 years, 7 months after+ 9 months
2019December6 years after+ 17 months
2020March6 years, 3 months after+ 3 months
2021August7 years, 8 months after+ 17 months
2022May8 years, 5 months after+ 9 months
2023January9 years, 1 months after+ 8 months
2023October9 years, 10 months after+ 9 months
Between years 2003 and 2023 this occurs 22 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.