Prepositions in time expressions

Nota:

• - in 2014, in April, in the summer, in the 19th century - in the afternoon - in  six weeks' time

1. For periods of time
   1. For parts of the day
      1. To say the period of time before something happens or how long something takes

Nota:

• - at the three o' clock, at the end of the lesson, at midnight. - at breakfast -at the weekend, at Christmas, at Easter - at night Examples: I prefer to study at night. We go to the cinema at the weekend. NOTE: on the weekend is common in American English.

1. Points of time
   1. Mealtimes
      1. Night when talking about nights in general
         1. The weekend, Christmas and Easter

Nota:

• - on July 13th -on Sunday night - on a sunny day

1. For particular dates, days, parts of day or types of days