Classic monthly
One month per page with holidays, moon phases and notes.
Portrait
October 2021 Calendar
October 2021 calendar templates
4 styles in 4 colors (sage, mist blue, apricot and ink). Click a template to preview it above, pick a color, then download a free PDF or PNG.
More ways to print the October 2021 calendar
Each link opens the calendar above with these settings. You can still change everything.
Holidays & observances in October 2021
- Mon, Oct 11Columbus DayFederal holiday
- Sun, Oct 31HalloweenObservance
Moon phases
- New moon Wed, Oct 6
- First quarter Thu, Oct 14
- Full moon Thu, Oct 21
- Last quarter Thu, Oct 28
About October 2021
- Days31
- Starts onFriday
- Ends onSunday
- ISO weeks39–43
- Weekdays (Mon–Fri)21
- Working days after federal holidays20
This printable October 2021 calendar marks Columbus Day, shows moon phases and includes a notes area. Use the options to start the week on Sunday or Monday, add ISO week numbers, or switch to the planner template with a to-do column.
← September 20212021 calendar2021 US Federal HolidaysTemplatesNovember 2021 →
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 → HolidaysUS federal holidays explained
All 11 US federal holidays, how their dates are set, and the observed-day rule that moves weekend holidays to Friday or Monday — with a full table for the coming year.
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 →