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Months equal to December 2005

The month December 2005 has 31 days and starts on a Thursday. December 2005 has 5 Thursdays, 5 Fridays, 5 Saturdays.

Months which have the same number of days and starting weekday as December 2005
YearMonthCompared to December 2005Since last
1996August9 years, 4 months before
1997May8 years, 7 months before+ 9 months
1998January7 years, 11 months before+ 8 months
1998October7 years, 2 months before+ 9 months
1999July6 years, 5 months before+ 9 months
2001March4 years, 9 months before+ 20 months
2002August3 years, 4 months before+ 17 months
2003May2 years, 7 months before+ 9 months
2004January23 months before+ 8 months
2004July17 months before+ 6 months
2005Decemberselected month+ 17 months
2007March15 months after+ 15 months
2008May2 years, 5 months after+ 14 months
2009January3 years, 1 months after+ 8 months
2009October3 years, 10 months after+ 9 months
2010July4 years, 7 months after+ 9 months
2011December6 years after+ 17 months
2012March6 years, 3 months after+ 3 months
2013August7 years, 8 months after+ 17 months
2014May8 years, 5 months after+ 9 months
2015January9 years, 1 months after+ 8 months
2015October9 years, 10 months after+ 9 months
Between years 1995 and 2015 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.