December 2025 Calendar
December has 31 days and 2 listed national dates.
A clearer way to see month.
A clean monthly view for planning, printing, and sharing.
The monthly view preserves the familiar seven-column calendar while adding explicit week structure and regional dates. Adjacent-month days are shown only to keep each week complete.
Switch between grid and list views depending on whether you need spatial planning or a readable sequence of dates. Downloads preserve weekday headings and the selected month.
Read our data and calculation methods for coverage and accuracy limits. If a date or result looks wrong, report a calendar error.
Good to know
Can the week start on Monday?
Yes. Supported month views can switch between Sunday and Monday week starts.
Why are dates from another month visible?
They complete the first and final calendar weeks and are visually muted.
Related calendars
Year Calendar
The whole year at a glance, with holidays and week-aware layouts.
Moon Calendar
Follow the lunar cycle through a calm monthly visual.
Holiday Calendar
Official and widely observed dates, clearly labeled by status.