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Months equal to January 2011

The month January 2011 has 31 days and starts on a Saturday. January 2011 has 5 Saturdays, 5 Sundays, 5 Mondays.

Months which have the same number of days and starting weekday as January 2011
Year Month Compared to January 2011 Since last
2001 December 9 years, 1 months before
2003 March 7 years, 10 months before + 15 months
2004 May 6 years, 8 months before + 14 months
2005 January 6 years before + 8 months
2005 October 5 years, 3 months before + 9 months
2006 July 4 years, 6 months before + 9 months
2007 December 3 years, 1 months before + 17 months
2008 March 2 years, 10 months before + 3 months
2009 August 17 months before + 17 months
2010 May 8 months before + 9 months
2011 January selected month + 8 months
2011 October 9 months after + 9 months
2012 December 23 months after + 14 months
2014 March 3 years, 2 months after + 15 months
2015 August 4 years, 7 months after + 17 months
2016 October 5 years, 9 months after + 14 months
2017 July 6 years, 6 months after + 9 months
2018 December 7 years, 11 months after + 17 months
2020 August 9 years, 7 months after + 20 months
2021 May 10 years, 4 months after + 9 months
Between years 2001 and 2021 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.