Holidays and Observances in October

National days to celebrate this month

October Calendar

The Spruce / Margot Cavin

October is best known for its Halloween festivities, but it's also a month loaded with national and global celebrations. In addition to spooky revelry, October's schedule includes multiple days on the topic of bullying awareness, encourage pasta-lovers to rejoice, and celebrates earth science, chemistry, and space. Plus, the Hindu festival of lights, Diwali, always occurs in October, while religious holidays Yom Kippur and Sukkot sometimes fall during this month.

Here are all the official and unofficial holidays and special days you'll want to celebrate in October.

October Daily Holidays and Observances

October 1

October 2

October 3

  • Butterfly and Hummingbird Day
  • National Techies Day
  • Frugal Fun Day* (first Saturday)

October 4

October 5

October 6

October 7

October 8

October 9

October 10

October 11

October 12

October 13

October 14

October 15

October 16

October 17

October 18

October 19

October 20

October 21

October 22

October 23:

  • Mole Day
  • National Boston Cream Pie Day
  • National Canning Day

October 24

October 25

October 26

October 27

October 28

October 29

October 30

  • Mischief Night
  • National Candy Corn Day

October 31

The Origins of Halloween

Halloween is actually a 2,000-year-old celebration of the Celtic New Year (called Samhain) and the end of summer when bonfires were lit and revelers would wear costumes to ward off evil spirits.

October Weekly Holidays and Observances

October Monthly Holidays and Observances

*Denotes that the date changes each year