At 4:00 on Tuesday in March (time)
Creative Commons
Robbert van der Steeg
At
We use at when talking about a specific time of day or hour. Also used when we talk about the end or beginning of a month or week.
at.... 6AM, 10:15, midnight, dawn, dusk, noon and the exception: at night
at.... the end of the month, the end of August, the beginning of September, the start of the month
We use at when talking about a specific time of day or hour. Also used when we talk about the end or beginning of a month or week.
at.... 6AM, 10:15, midnight, dawn, dusk, noon and the exception: at night
at.... the end of the month, the end of August, the beginning of September, the start of the month
- School always starts at the end of August.
- John likes to go fishing at dawn.
- The mosquitoes are most active at dusk.
- I have a doctor's appointment at 11:oo.
On
We use on when talking about a specific day or part of the day (only in conjunction with a day of the week).
In the following cases, on is always optional.
on... Monday(s), Tuesday(s), Saturday(s), etc.
on... March 5th, September 19th, etc.
on... Sunday morning, Wednesday afternoon, Thursday night, etc.
on... New Year's Day, Valentine's Day, Christmas Day, Thanksgiving, my birthday, etc.
When talking about the weekend, you must use on.
on... the weekend, weekends.
We use on when talking about a specific day or part of the day (only in conjunction with a day of the week).
In the following cases, on is always optional.
on... Monday(s), Tuesday(s), Saturday(s), etc.
on... March 5th, September 19th, etc.
on... Sunday morning, Wednesday afternoon, Thursday night, etc.
on... New Year's Day, Valentine's Day, Christmas Day, Thanksgiving, my birthday, etc.
When talking about the weekend, you must use on.
on... the weekend, weekends.
- See you (on) Monday!(with or without on)
- Do you ever work (on) Sundays?
- I'm throwing a birthday party for Susan (on) May 6th, can you come?
- I'm going to the movies (on) Thursday night.
- Did you two do anything special on Valentine's Day? (although optional, it is more common to use on with holidays)
Creative Commons Flickr iheartlinen
In
We use in for months, years, seasons and parts of the day.
in... January, March, July, etc.
in...1995, 2012, '85, etc.
in...(the) spring, summer, fall, winter.
in... the morning, the afternoon, the evening.
We use in for months, years, seasons and parts of the day.
in... January, March, July, etc.
in...1995, 2012, '85, etc.
in...(the) spring, summer, fall, winter.
in... the morning, the afternoon, the evening.
- I like to travel south in the winter, usually in January.
- I was born in 1983. What year were you born in?
- I get my best work done in the morning.
We do not use prepositions (at, in, on) in front of the adjectives this, every, last and next
- Where are you going next Friday?
- We go on vacation every year in February to escape the winter blues.
- Last summer, I went to Spain.
- I'm going to the Biodôme this weekend.
In.. a span of time from now.
- My show starts in five minutes. (=it starts five minutes from now)
- I'll be going to the country in a few days. I can't wait to get away.
- Max is graduating in two years.
- Jessica is competing in a judo competition in three weeks.