Expertlatin
Prepositions of Time - at, in, on
| at PRECISE TIME | in MONTHS, YEARS, CENTURIES and LONG PERIODS | on DAYS and DATES |
|---|---|---|
| at 10.30am | in summer | on Tuesdays |
| at noon | in the summer | on 6 March |
| at dinnertime | in 1990 | on 25 Dec. 2010 |
| at bedtime | in the 1990s | on Christmas Day |
Where do we use in or on at?
“At” is used in reference to specific times on the clock or points of time in the day. “In” usually refers to period of time. And “on” is used with dates and named days of the week. And “by” is used specifically with an end point of time and it means no later than.
What is the difference between in on at?
On indicates a more specific location and time in comparison to the preposition in. At indicates a more specific time and location than on.
Where do we use on?
ON Use on when something is touching the surface of something. It could be a horizontal surface, like a floor or beach, or a vertical surface, like a wall (“They hung pictures ON the wall”). We also use “on” for the surfaces of body parts (“He has a tattoo ON his arm”).
