 Hindu calendar of India and Nepal.[26] This day marks the first peak of the lunar cycle after the peak of the solar cycle. The celebration is marked by ritualistic respect to the Guru, Guru Puja.[27]The birth date of the second President of India, Sarvepalli Radhakrishnan, 5 September 1888, has been celebrated as Teacher's Day since 1962. On this day, teachers and students report to school as usual but the usual activities and classes are replaced by activities of celebration, thanks and remembrance. In some schools, senior students take the responsibility of teaching in order to show their appreciation for the teachers.Teacher's Day was celebrated as "Abhar Diwas" in 2021.[28]Indonesia25 NovemberNational Teachers' Day is commemorated on the same day as the formation of the Indonesian Teachers' Association, the PGRI. National Teachers' Day is not a holiday, but it is celebrated by having a ceremonial activity in recognition of certain teachers, headmasters and other school s