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December 2100 Calendar
Print or download December 2100 PDF templates with optional US federal holidays. December 2100 has 31 days, starting Wednesday and ending Friday.
December 2100 PDF templates
Three print-ready layouts — with federal holidays, plain, or large-print cells. Download PDF at 100% scale for Letter or A4 paper.
How to print this calendar
- Click Download PDF on the template you want above.
- Open the file in your PDF viewer (Preview, Adobe Reader, or Chrome).
- Press Ctrl+P (Windows) or ⌘+P (Mac) and choose your printer.
- Set scale to 100%, portrait orientation, and Letter or A4 paper.
- Enable Fit to page if margins look tight, then print.
Tip: Use the live editor at the top of this page to add holidays or notes before printing from the browser.
About December 2100
December closes 2100 with winter holidays and year-end deadlines — print a December grid alongside the 2100 yearly calendar for full context.
December 2100 has 31 days. The month begins on Wednesday and ends on Friday. Day-of-year numbers run from 335 through 365. Wednesday appears 5 times — the most of any weekday this month. Common year — February has 28 days.
Federal holidays in December 2100
Christmas Day (December 25) See the full 2100 US holidays list or browse December 2100 holidays for observances in this month only.
Print, PDF, and customize
Use the calendar editor above to toggle federal holidays, add notes, and download a PDF sized for Letter or A4 paper. For a single-page overview of the whole year, open the 2100 yearly calendar. Browse all months on the monthly calendars hub.
Planning with December 2100
Use this page when you need a trustworthy December grid for 2100: school terms, shift schedules, billing cycles, or family logistics. The live editor matches federal holiday dates to the rest of the site, so a PDF printout stays consistent with our days between dates and business days calculators.
Navigate adjacent months
Previous month: view prior month. Next month: view next month. For week numbers and day-of-year codes, try the week number tool and Julian calendar 2100.
Frequently asked questions
How many days are in December 2100?
December 2100 has 31 days total, from Wednesday through Friday.
What day of the week does December 2100 start on?
December 1, 2100 falls on Wednesday. The month ends on Friday, December 31.
Are there federal holidays in December 2100?
For December 2100, federal holidays are: Christmas Day (December 25) See the holidays hub for observed dates.
Can I print December 2100 with holidays?
Yes. Enable federal holidays in the editor above, customize notes if needed, then download the PDF. Dates match the official 2100 holiday list.
What is the day-of-year range for December 2100?
Days 335 through 365 of 2100 fall inside December. Use the Julian calendar page for a full DOY table.
Where is the 2100 yearly calendar?
Open the 2100 yearly calendar for all twelve months on one page with week numbers and holiday marks.