Days of The Week and Time Expressions
Days of the Week
Days of the week are capitalized.
I'm going to a presentation about human rights violations in US prisons on Tuesday.
The Conference on Humanitarian Affairs provided many learning opportunities last Wednesday.
When speaking about an action that is repeated every week on a specific day use the day of the week followed by 's'.
Most people don't take their charitable deduction when they file on Tuesdays.
Most people give to charity on Sundays.
British English: at the weekend OR at weekends (in general)
American English: on the weekend OR on weekends (in general)
We'll meet to go over information about the full impact on the weekend.
Let's aim for implementation on the weekend.
Times of the Day
These time expressions express things that happen during the day. The exception to this form is 'at night'.
in the morning
in the afternoon
in the evening
We usually examine every indicator in the afternoon.
Informal Training happens both in the morning and in the afternoon.
In / On time
'In time' expresses that something is done with sufficient time to meet a deadline.
This industrialized country will convert to sustainable technologies in time to survive.
Make sure to contain the spill in time to protect the clean drinking water.
'On time' indicates an action that takes place at the correct, scheduled time.
Our code of ethics was reconfigured on time.
His efforts at collaboration with the occupying forces started on time.