Mathematics for IGCSE & O level - Time (Section 3 - No. 37)
Which of the following is 12:02 a.m. in 24-hour format?
00:02
12:02
24:02
00:12
Giải thích
Times a.m. use the same digits in 24-hour time, with the exception that times before 10 a.m. must use a leading zero, or two leading zeros.