Preposition At, In

Short Note on the use of Preposition AT and IN :

Difference between AT and IN
At	In
1. For small places: at school , at the bus stop, at Binodpur, at Mirpur 2. For Specific time : at 4 pm, at 3 am, at breakfast, at noon, at dawn, at the moment, at weekend	1. For large places : In London, In New York, In Dhaka, In a forest, In a desert, In Asia, In Bangladesh 2. For nonspecific time: In the morning, In the afternoon, In the next few days For Month and Year - In July, In 2020
For single day/date: On Friday, On the 7th March  On that day