Classic monthly
One month per page with holidays, moon phases and notes.
Portrait
December 2021 Calendar
December 2021 calendar templates
4 styles in 4 colors (sage, mist blue, apricot and ink). Pick a color, then download a free PDF or PNG.
Monthly planner
Side column for goals, to-dos and notes.
Landscape
Bold monthly
Color band header, big readable dates.
Portrait
Minimal monthly
No grid lines, just dates.
Landscape
Holidays & observances in December 2021
- Fri 24 DecChristmas EveObservance
- Sat 25 DecChristmas Day (observed Mon 27 Dec)Bank holiday
- Sun 26 DecBoxing Day (observed Tue 28 Dec)Bank holiday
- Fri 31 DecNew Year's EveObservance
Moon phases
- New moon Sat 4 Dec
- First quarter Sun 12 Dec
- Full moon Sun 19 Dec
- Last quarter Mon 27 Dec
About December 2021
- Days31
- Starts onWednesday
- Ends onFriday
- ISO weeks48–52
- Weekdays (Mon–Fri)23
- Working days after bank holidays21
This printable December 2021 calendar marks Christmas Day, Boxing Day, shows moon phases and includes a notes area. Use the options to start the week on Monday or Sunday, add ISO week numbers, or switch to the planner template with a to-do column.
Calendar guides
Learn more about holidays, week numbers, moon phases and printing.
Calendar basics
Moon phases: how they work and when the full moons are
Why the Moon has phases, how long a lunar cycle lasts, traditional full moon names, and a list of full moon dates for the coming year.
Read guide · 2 min → HolidaysUK bank holidays explained
How UK bank holidays work: the 8 bank holidays in England and Wales, substitute days when a holiday falls on a weekend, and how Scotland and Northern Ireland differ.
Read guide · 2 min → Ideas12 practical ways to use a printable calendar
Ideas for getting more from a printable calendar: family planning, meal plans, habit tracking, chores, budgets, school terms, travel countdowns and more.
Read guide · 2 min →