World Milk Day on 01 June 2021 World Bicycle Day on 03 June 2021 School Re-opens for Class VI to X on 04 June 2021 World Environment Day on 05 June 2021 School Re-opens for Class LKG to UKG and I to V and XI on 09 June 2021 World Day Against Child Labour on 12 June 2021 World Blood Donor Day on 14 June 2021 World Refugee Day on 20 June 2021 Father’s Day on 20 June 2021 International Day of Yoga on 21 June 2021 International Olympic Day on 23 June 2021 International Day against Drug Abuse and Illicit Trafficking on 26 June 2021