Which Days
Days of The Week and Time Expressions
Days of the Week
Days of the week are capitalized.
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Example:
On Wednesday I confirmed the book value.
I'm going to submit the patent on Sunday.
When speaking about an action that is repeated every week on a specific day use the day of the week followed by 's'.
Mondays
Tuesdays
Wednesdays
Thursdays
Fridays
Saturdays
Sundays
Short-term debt is recalculated on Thursdays.
Most futures traders don't have to work on Sundays.
The Weekend
British English: at the weekend OR at weekends (in general)
American English: on the weekend OR on weekends (in general)
Example:
It would be wise to postdate the check till the middle of next week, since on the weekend we'll be receiving the funds.
I can't access my bank account 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
at night
Example:
Each day in the afternoon we check the pre-tax profit of all our holdings.
The bank posts any interest rate changes in the afternoon.
In / On time
'In time' expresses that something is done with sufficient time to meet a deadline.
Example:
The buyer said their minimum payment would arrive in time.
Please calculate the gross profit in time for the closing of the markets.
'On time' indicates an action that takes place at the correct, scheduled time.
Example:
Jerry will need to endorse this on time.
The customer needs to endorse their check and mail it in on time, otherwise they will have to pay a late fee.