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Months equal to December 2018

The month December 2018 has 31 days and starts on a Saturday. December 2018 has 5 Saturdays, 5 Sundays, 5 Mondays.

Months which have the same number of days and starting weekday as December 2018
YearMonthCompared to December 2018Since last
2008March10 years, 9 months before
2009August9 years, 4 months before+ 17 months
2010May8 years, 7 months before+ 9 months
2011January7 years, 11 months before+ 8 months
2011October7 years, 2 months before+ 9 months
2012December6 years before+ 14 months
2014March4 years, 9 months before+ 15 months
2015August3 years, 4 months before+ 17 months
2016October2 years, 2 months before+ 14 months
2017July17 months before+ 9 months
2018Decemberselected month+ 17 months
2020August20 months after+ 20 months
2021May2 years, 5 months after+ 9 months
2022January3 years, 1 months after+ 8 months
2022October3 years, 10 months after+ 9 months
2023July4 years, 7 months after+ 9 months
2025March6 years, 3 months after+ 20 months
2026August7 years, 8 months after+ 17 months
2027May8 years, 5 months after+ 9 months
2028January9 years, 1 months after+ 8 months
2028July9 years, 7 months after+ 6 months
Between years 2008 and 2028 this occurs 21 times. Note that holidays seldom match exactly. Selected month is highlighted.

Which years have the same weekdays?

Calendars repeat themselves – find out which years share the same calendar dates and reuse your calendar.

Which months have the same weekdays?

Calendars repeat themselves – find out which months share the same calendar dates and reuse your calendar.

When does a date fall on a certain weekday?

Do you feel dates like Friday the 13th occur often? Our service 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.
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