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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
YearMonthCompared to January 2011Since last
2001December9 years, 1 months before
2003March7 years, 10 months before+ 15 months
2004May6 years, 8 months before+ 14 months
2005January6 years before+ 8 months
2005October5 years, 3 months before+ 9 months
2006July4 years, 6 months before+ 9 months
2007December3 years, 1 months before+ 17 months
2008March2 years, 10 months before+ 3 months
2009August17 months before+ 17 months
2010May8 months before+ 9 months
2011Januaryselected month+ 8 months
2011October9 months after+ 9 months
2012December23 months after+ 14 months
2014March3 years, 2 months after+ 15 months
2015August4 years, 7 months after+ 17 months
2016October5 years, 9 months after+ 14 months
2017July6 years, 6 months after+ 9 months
2018December7 years, 11 months after+ 17 months
2020August9 years, 7 months after+ 20 months
2021May10 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.