American English
/ɔn/
One syllable.
Used when something touches or is supported by a surface, or is in a particular position.
“On” is commonly pronounced /ɑn/, and some speakers use /ɔn/. Both are normal American English pronunciations.
Used when something touches or is supported by a surface, or is in a particular position.
The keys are on the table.
There is a picture on the wall.
Use on for a surface; use in for an enclosed space.
on the table · on the wall · on the floor · on the left
be + on + a surface
put + something + on + a surface
Used before a particular day, date, or celebration that happens on a particular day.
The meeting is on Monday.
Her birthday is on July 4.
Use on with days and dates; use at with clock times.
on Monday · on the weekend · on July 4 · on Friday night
on + a day or date
happen + on + a day or date
Used before a way of traveling when someone is traveling by it.
I read on the train.
We walked on foot from the hotel.
Use on with buses, trains, planes, bikes, and foot. Usually use in with cars and taxis.
on a bus · on a train · on a plane · on foot
travel + on + public transport
get on + public transport
Used to say that someone is using a communication system, or that something is shown or heard through it.
I saw the interview on TV.
Maria is on the phone.
English uses on with many channels and devices, even when Spanish uses en or por.
on TV · on the radio · on the phone · on the Internet
be + on + TV or radio
talk + on + the phone
at the planned or expected time
The train arrived on time.
intentionally; not by accident
She broke the cup on purpose.
while traveling toward a place
I'll call you on the way home.