... the morning
In
... the weekend
At (BR.) / On (Am.)
… lunch-time
At
... Christmas
At
... December
In
... Hallowen
At
... lunch
At
... sunny afternoon
On
... tonight
-
... next Monday
-
... half past two
At
... New Year's Day
On
... Easter
At
... Wednesday
On
... a holiday
On
... Tuesday afternoon
On
... autumn
In
... 8 July
On
... summer
In
... spring
In
... 12 April 1961
On
... 10 o’clock
At
... sunset
At
... dinner
At
... 1999
In
... this morning
-
... the moment
At
... my birthday
On
... the Middle Ages
In
... midnight
At
... Christmas Day
On
... breakfast
At
... Easter day
On
... Sunday night
On
... the same time
At
... every night
-
... night
At
... every afternoon
-
... the nineteenth century
In
... the night
In
... the afternoon
In
... sunrise
At
… the 1980s
In
... last summer
-
... a rainy day
On
... winter
In
... the past
In