IN_ON_AT prepositions of time & place _ Grammar

Buat kamu yang masih bingung dalam menggunakan kata depan (prepositions) In, On dan At. Wajib tonton sampai akhir yah! ???? What is "preposition"? Prepositions of time IN as a preposition of time ON as a preposition of time AT as a preposition of time Prepositions of place IN as a preposition of place ON as a preposition of place AT as a preposition of place