People believe that Himachal and Uttrakhand are similar because they are adjacent, and both are hilly regions. However, the reality is that they are culturally, traditionally, and linguistically different. While Himachal is heavily influenced by Punjab, except for the Kinnaur and Lahaul Spiti regions, which have their own tribal culture and language, Uttrakhand tradition is influenced by Uttar Pradesh. S both arr not same here are Some differences:
Himachal Pradesh was formed on January 25th, 1971.
Uttrakhand was formed on November 9th, 2000
READ MORE: DHAAM IN HIMACHAL
Himachal Pradesh’s Native Languages – Hindi and Pahadi
Uttarakhand’s Native Languages – Garhwali, Kumaoni, and Hindi
Himachal Pradesh’s Official Language is Hindi.
Uttarakhand’s Official languages are Sanskrit and Hindi.
Himachal Pradesh’s Highest Point – Reo Purgyil ( 6816 meters.); Uttarakhand’s Highest Point – Nanda Devi ( 7816 meters.)
READ MORE: HIMACHALI CULTURE
Himachal Pradesh’s tourist destinations include Shimla, Dharamsala, Kullu, Manali, Lahaul Spiti, Kangra, and Khajjiar; Uttarakhand’s tourist destinations include Rishikesh, Haridwar, Dehradun, Mussorie, Nainital, Badrinath, Kedarnath, and Devprayag.
Himachal Pradesh has state borders with Jammu and Kashmir (North), Punjab (West), Haryana (South West), Uttarakhand (South and South East), and Uttar Pradesh (South and South East) (South West, a tiny portion with Saharanpur Distt.);
Uttarakhand is surrounded by Himachal Pradesh (North and North West), Uttar Pradesh (South), and Haryana (a tiny portion of South West corner at Dehradun Distt.)
READ MORE: CASTES IN HIMACHAL
Himachal Pradesh – China International Borders (East); Uttarakhand – Northern and Northern Eastern China, as well as Nepal (East and South East)
Indian Army Regiment of Himachal Pradesh (Sharing with JK): Dogra Regiment.;
Indian Army Regiment of Uttarakhand: Kumaon & Garhwal.
Personalities Himachal Pradesh: Tenzin Gyatso (Dalai Lama), Ruskin Bond, The Great Khali, Preity Zinta, Kangna Ranaut, and Mohit Chauhan;
Personalities Uttarakhand: MS Dhoni (born in Kumaon), Anushka Sharma (half Garhwali), Urvashi Rautela (Kumaoni), GB Pant, Prasoon Joshi, Deepak Dobriyal, and Tigmanshu Dhulia.
Those are some differences; comment down if you want to add more.