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.
解释
To convert a p.m. time, add 12 to the hour. The minutes are unchanged.