October 2027 Calendar
Updated November 6, 2026 · Edited by the JanuaryCalendar.com team
October 2027 starts on Friday, October 1, and ends on Sunday, October 31. It has 31 days, 21 weekdays and 20 US working days. US federal holidays: Columbus Day (Indigenous Peoples' Day) (Mon, Oct 11).
- Starts
- Friday
- Days
- 31
- US working days
- 20
- Full moon
- Oct 15
- Birthstone
- Opal
- Zodiac
- Libra, Scorpio
October 2027
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7First Quarter | 8 | 9 |
| 10 | 11Columbus Day | 12 | 13 | 14 | 15Full Moon | 16 |
| 17 | 18 | 19 | 20 | 21 | 22Last Quarter | 23 |
| 24 | 25 | 26 | 27 | 28 | 29New Moon | 30 |
| 31BST ends (UK)Halloween |
- Oct 7◐ First Quarter, 7:47 a.m. EDT
- Oct 11Columbus Day (Indigenous Peoples' Day)
- Oct 15○ Full Moon, 9:47 a.m. EDT
- Oct 22◑ Last Quarter, 1:29 p.m. EDT
- Oct 29● New Moon, 9:37 a.m. EDT
- Oct 31British Summer Time ends (UK)
- Oct 31Halloween
October 2027 holidays and observances
| Date | Day | Holiday or observance | Notes |
|---|---|---|---|
| Oct 11 | Mon | Columbus Day (Indigenous Peoples' Day) | Federal holiday |
| Oct 31 | Sun | British Summer Time ends (UK) | Clock change |
| Oct 31 | Sun | Halloween | Observance |
Dates follow federal rules (a holiday on Saturday is observed Friday, on Sunday the following Monday). UK bank holidays follow standard rules; one-off extra holidays are announced by the government.
Moon phases
| Phase | Date (Eastern) | Time (ET) | Time (UTC) |
|---|---|---|---|
| ◐ First Quarter | Thursday, October 7 | 7:47 a.m. EDT | Oct 07, 11:47 UTC |
| ○ Full Moon | Friday, October 15 | 9:47 a.m. EDT | Oct 15, 13:47 UTC |
| ◑ Last Quarter | Friday, October 22 | 1:29 p.m. EDT | Oct 22, 17:29 UTC |
| ● New Moon | Friday, October 29 | 9:37 a.m. EDT | Oct 29, 13:37 UTC |
Calculated with standard astronomical algorithms; Eastern Time.
Working days
October 2027 has 20 working days in the US: 21 weekdays minus 1 federal holiday on a weekday. Friday, Saturday and Sunday occur five times.
| Weekday | Count |
|---|---|
| Sunday | 5 |
| Monday | 4 |
| Tuesday | 4 |
| Wednesday | 4 |
| Thursday | 4 |
| Friday | 5 |
| Saturday | 5 |
Week numbers
| ISO week | Dates |
|---|---|
| Week 39 | Oct 1 – 3 |
| Week 40 | Oct 4 – 10 |
| Week 41 | Oct 11 – 17 |
| Week 42 | Oct 18 – 24 |
| Week 43 | Oct 25 – 31 |
Printable October 2027 calendar
Free for personal, classroom and office use. See all printable calendars.
Frequently asked questions
How many days are in October 2027?
October 2027 has 31 days. It starts on a Friday and ends on a Sunday.
How many working days are in October 2027?
October 2027 has 20 US working days (21 weekdays minus federal holidays).
What federal holidays are in October 2027?
Columbus Day (Indigenous Peoples' Day) (Mon, Oct 11).
When is the full moon in October 2027?
The full moon is on Friday, October 15, 2027 at 9:47 a.m. EDT.
What is the October birthstone and zodiac sign?
The October birthstone is opal. People born Oct 1–22 are Libra; those born Oct 23–31 are Scorpio.