Mathematics for IGCSE & O level - Time (Section 2 - No. 47)
Which statement(s) is/are true about converting times from p.m. to 24-hour clock format?
You must subtract 12 from the hour.
You must add 12 to the hour.
The minutes remain the same.
The hours remain the same.
Giải thích
To convert a p.m. time, add 12 to the hour. The minutes are unchanged.