In | On | At |
---|---|---|
Months, years, decades, centuries In May In the 1980s |
Parts of the day (having adjectives) On a peaceful night On Monday evening |
The beginning or ending of something At the beginning of At first |
After some time In three years In a few minutes |
Holidays (with «day») On Christmas day On wedding day |
Parts of the day At night At lunchtime |
Seasons In spring In winter |
Days and dates On Monday On June 17 |
Holidays At Christmas At Easter |
Parts of the day (with «the») In the morning In the evening |
Set expressions On time On holiday |
Exact time At 6 p.m. At the moment |
Но! Предлоги не используются, если перед существительным есть такие слова: next, last, this, every. (this year, last summer, next Monday, every day)