in / on / at (place & time)
in / on / at (place & time) means “Basic prepositions: in (inside, months), on (surface, days), at (point, clock times)”. Place: in = inside or in a city (in the box, in Tokyo), on = on a surface (on the table, on the wall), at = at a point (at the door, at school). Formation: in + city/month/year · on + surface/day · at + point/clock time
Basic prepositions: in (inside, months), on (surface, days), at (point, clock times)
A1Formation
in + city/month/year · on + surface/day · at + point/clock time
Explanation
Place: in = inside or in a city (in the box, in Tokyo), on = on a surface (on the table, on the wall), at = at a point (at the door, at school). Time: in July, in 2026, in the morning; on Monday, on May 5th; at seven, at night.
Examples
Note
Learn the set phrases: in the morning / afternoon / evening, but at night; when a day is named, use on: on Monday morning.
FAQ
in / on / at (place & time) — what does it mean and how is it used?
Basic prepositions: in (inside, months), on (surface, days), at (point, clock times). Place: in = inside or in a city (in the box, in Tokyo), on = on a surface (on the table, on the wall), at = at a point (at the door, at school). Time: in July, in 2026, in the morning; on Monday, on May 5th; at seven, at night.
in / on / at (place & time) — how do you form it?
in + city/month/year · on + surface/day · at + point/clock time
in / on / at (place & time) — any usage notes?
Learn the set phrases: in the morning / afternoon / evening, but at night; when a day is named, use on: on Monday morning.