Prepositions: In, On, and At (with specific times and places)
The prepositions in, on, and at can be used to indicate time and place. Notice how they are used in the following situations:
Preposition + Time + Place :
· In Year, Month, In 1999, In December Country, State, City In Japan, In Utah, InTaipei
· On day, Date On Saturday, On May 1 street On Main Street, On 1st Ave.
· At time At 8:00, At 7:30 address At 815 East Main Street
In many languages, there is only one preposition for the above situations. In English there are three. Just remember that in usually indicates the "largest" time or place, and at usually indicates the "smallest" time or place.
Examples:
A: Where's your school?
B: In SMAN2 PALANGKARAYA.
A: Really? what exactly the address where?
B: It's on K.S tubun street.