How many days in December

There are

31 days

in December

  • December starting date (mm/dd) is 12/01 – December 1
  • December end date (mm/dd) is 12/31 – December 31
  • (mm = month, dd = day)

There are 31 days in December.

December is 4 weeks and 3 days long.

When is the first day of December and how many months, weeks and days until December?

POST: December Countdown – How Many Days Until December 1?

How many days in each month

January | February | March | April | May | June | July | August | September | October | November | December 

interesting things about December

Here are some interesting facts about December:

Where does the name December come from? 

December (in Latin December, or Mensis December) was originally the 10th (and last) month of the 10-month calendar, and it originated from the Latin word decem, which means ten.

Did you know: December wasn’t always the twelfth month of the year

The first month of the year in the Roman Calendar was March.

Julius Caesar changed the calendar and added January and February, making the beginning of the year January.

The modern-day calendar is called the Gregorian calendar and is based on the Julian calendar.

POST – How many days until Christmas Day: Christmas Countdown – How Many Days Until Christmas Day?

POST – How many days until New Year’s Eve: New Year’s Eve Countdown – How Many Days Until New Year’s Eve?

Which months have the same number of days as December

January, March, May, July, August, and October have the same number of days (31 days) as December.

How many days in a month?

Each month has 30 and 31 days, except for February, which has 28 or 29 days (29 during leap years).

The common calendar year is 365 days

The leap year is 366 days.

Months with 28 (or 29) days

February is the only month that has 28 days (common year). During the leap year (every four years), February has 29 days.

Related post: Leap Year List – When Is the Next Leap Year?

Months with 30 days

Months that have 30 days are April, June, September, and November.

Months with 31 days

All the rest seven months have 31 days each month.

Months that have 31 days are January, March, May, July, August, October, and December.

Get up-to-date information:

December calendar printables

Check the dates in December and print out your favorite free calendar: December Calendar – 20 Cute & FREE Printables

December Phone wallpapers

Find your favorite December phone wallpaper: December Calendar Wallpaper – 48 Cute iPhone Backgrounds

December Desktop backgrounds

Grab your favorite December desktop background: December Desktop Wallpaper – 21 Cute & Free December Calendar Backgrounds