In Nepal, Children's Day (Bal Diwas) is celebrated on Bhadra 29 according to the Nepali Calendar (August–September)after signing the child rights agreement with UN. Earlier during the Shah Rule, Nepal used to observe Children's day on Bhadra 4 on the birthday of H.M. Queen Mother Ratna Rajya Laxmi Devi Shah. It is celebrated by conducting various programme on various institutions around Nepal. It was established as a holiday in 1990.