October 2027 Calendar
Holidays & observances in October 2027
- Mon, Oct 11Columbus DayFederal holiday
- Sun, Oct 31HalloweenObservance
Moon phases
- New moon Fri, Oct 1
- First quarter Fri, Oct 8
- Full moon Fri, Oct 15
- Last quarter Sat, Oct 23
- New moon Sat, Oct 30
About October 2027
- Days31
- Starts onFriday
- Ends onSunday
- ISO weeks39–43
- Weekdays (Mon–Fri)21
- Working days after federal holidays20
This printable October 2027 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.