at, in, on

at, in, onTalking about time 

Use at with clock times • 

 at one o'clock  

• at 6.30 

with points of time in the day  

• at midnight  

• at noon  

• at dawn 

•  at sunset

with holiday periods, meaning the few days around the holiday  • 

 at Easter • 

 at Diwaliwith weekend, in British English • 

 See you at the weekend• 

 At weekends we go out. 

Use in with parts of the day • 

 in the morning •  

in the evening • 

 I never watch TV in the daytime 

.with months, seasons, years, centuries •  

in May •  

in summer time • in 2004 •  

in the 21st century 

Use onwith dates and specific days •  

on 29th July • 

 on Tuesday afternoons • 

 on the last day of termwith weekend, in American English •  

We sometimes go there on weekends. 

Talking about position and placeUse atwith particular positions or places •  

at the end of the corridor •  

at the back of the room • 

 at the corner of the street to mean 'next to' or 'beside' •  

She sat at her desk. •  

He stopped me at the door. 

with words for buildings, for example airport, university, restaurant, art gallery  

 at the airport • 

 at the Lyceum theatrewith city or place names,  

when you are talking about stopping during a journey 

Does this train stop at Watford  

BUT otherwise use in - see belowUse inwith a position 

 or place 

, 

 when something or someone is inside a larger thing    

 such as a room • 

 in the bath •  

in the kitchen •  

in the garden •  

in the doorwaywith cities, counties, states, and countries •  

When will you arrive in Tokyo •  

He lives in Germany. •  

She's working in California.with the names of squares, plazas etc •  

in Times Square 

Use onwith a position or place, when one thing is attached to or touching another • 

 a spot on the end of her nose • 

 a jacket on the back of a chairwith street names •  

on the High Street • 

 on 42nd Street • 

 on Broadway