All About October

October is the tenth month of the year in the Gregorian calendar, with 31 days. Its name comes from the Latin word “octo,” meaning eight, as it was originally the eighth month in the ancient Roman calendar. October is known for its vibrant autumn colors in the Northern Hemisphere and the blossoming of spring in the Southern Hemisphere.

October Quick Facts

• Month Number: 10th month of the year
• Number of Days: 31
• Season (Northern Hemisphere): Autumn/Fall
• Season (Southern Hemisphere): Spring
• Birthstone: Opal and Tourmaline
• Birth Flower: Calendula (Marigold) and Cosmos
• Zodiac Signs: Libra (until October 22) and Scorpio (from October 23)

Notable October Events & Holidays

• October 1: International Day of Older Persons
• October 2: International Day of Non-Violence
• October (second Monday): Indigenous Peoples’ Day/Columbus Day (U.S.)
• October 10: World Mental Health Day
• October 16: World Food Day
• October 24: United Nations Day
• October 31: Halloween
• October (variable): Diwali (Hindu, date varies by lunar calendar)
• October is also: Breast Cancer Awareness Month, Cybersecurity Awareness Month, and LGBTQ+ History Month