- 01 October- October Month
- 01 October- International Coffee Day
- 01 October- World Vegetarian Day
- 01 October- International Day Of Older Persons
- 02 October- Gandhi Jayanti
- 02 October- Rosh Hashanah
- 02 October- Lal Bahadur Shastri Jayanti
- 03 October- Navratri Begins
- 04 October- World Animal Day
- 04 October- World Smile Day
- 05 October- World Teachers Day
- 07 October- World Habitat Day
- 08 October- Indian Air Force Day
- 09 October- World Post Day
- 09 October- Saraswati Avahan
- 10 October- World Mental Health Day
- 10 October- World Sight Day
- 11 October- Yom Kippur
- 11 October- International Girl Child Day
- 11 October- Durga Ashtami
- 11 October- Maha Navami
- 12 October- Vijayadashami
- 12 October- Dussehra
- 13 October- Papankusha Ekadashi
- 14 October- Columbus Day
- 15 October- World Student’s Day
- 15 October- Handwashing day
- 16 October- Sukkot
- 16 October- Boss’s Day
- 16 October- World Food Day
- 16 October- Sharad Purnima
- 17 October- Meerabai Jayanti
- 17 October- Valmiki Jayanti
- 18 October- World Breast Cancer Day
- 19 October- Sweetest Day
- 20 October- Vakratunda Sankashti Chaturthi
- 20 October- Karwa Chauth
- 24 October- World Polio Day
- 24 October- Ahoi Ashtami
- 28 October- Rama Ekadashi
- 28 October- Govatsa Dwadashi
- 29 October- DhanTeras
- 31 October- Kali Chaudas
- 31 October- Halloween Day
- 31 October- Sai Baba Jayanti
- 31 October- Narak Chaturdashi
- 31 October- Chhoti Diwali
- 31 October- Kali Puja