Class 4 Maths Worksheet: 24-Hour Clock
The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.
NameDateTime takenScore ___ / 40
- 1.How many hours are there from 07:00 to 13:00?
- 2.A match starts at 08:30 and lasts 2 hours 25 minutes. At what time does it end? (a) 11:55 (b) 09:55 (c) 10:55
- 3.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 17:35 (c) 05:35
- 4.A film is 3 hours 15 minutes long. How many minutes is that?
- 5.How many hours are there from 09:00 to 23:00?
- 6.What is 18:20 in 12-hour time? (a) 6:20 p.m. (b) 6:20 a.m. (c) 8:20 p.m.
- 7.Write 3:20 p.m. in 24-hour time. (a) 17:20 (b) 15:20 (c) 03:20
- 8.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 22:15 (c) 20:15
- 9.What is 14:20 in 12-hour time? (a) 4:20 p.m. (b) 2:20 p.m. (c) 2:20 a.m.
- 10.Write 5:45 p.m. in 24-hour time. (a) 05:45 (b) 19:45 (c) 17:45
- 11.How many hours are there from 07:00 to 18:00?
- 12.A film is 1 hour 10 minutes long. How many minutes is that?
- 13.How many hours are there from 10:00 to 18:00?
- 14.A film is 1 hour 15 minutes long. How many minutes is that?
- 15.How many hours are there from 10:00 to 22:00?
- 16.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 p.m. (c) 3:10 p.m.
- 17.How many hours are there from 06:00 to 08:00?
- 18.What is 07:25 in 12-hour time? (a) 7:25 p.m. (b) 9:25 a.m. (c) 7:25 a.m.
- 19.How many hours are there from 12:00 to 14:00?
- 20.How many hours are there from 12:00 to 17:00?
- 21.A match starts at 08:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:10 (b) 11:10 (c) 10:10
- 22.What is 09:20 in 12-hour time? (a) 9:20 p.m. (b) 9:20 a.m. (c) 11:20 a.m.
- 23.How many hours are there from 07:00 to 23:00?
- 24.A film is 3 hours 25 minutes long. How many minutes is that?
- 25.What is 01:10 in 12-hour time? (a) 3:10 a.m. (b) 1:10 p.m. (c) 1:10 a.m.
- 26.A film is 1 hour 55 minutes long. How many minutes is that?
- 27.A match starts at 07:10 and lasts 4 hours. At what time does it end? (a) 11:10 (b) 12:10 (c) 10:10
- 28.A match starts at 10:15 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:40 (b) 11:40 (c) 12:40
- 29.What is 10:00 in 12-hour time? (a) 10:00 a.m. (b) 12:00 a.m. (c) 10:00 p.m.
- 30.What is 09:10 in 12-hour time? (a) 11:10 a.m. (b) 9:10 p.m. (c) 9:10 a.m.
- 31.A train leaves at 09:05 and reaches at 10:45. How long is the journey (in minutes)?
- 32.Write 9:40 p.m. in 24-hour time. (a) 09:40 (b) 23:40 (c) 21:40
- 33.A match starts at 12:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 15:05
- 34.How many hours are there from 05:00 to 13:00?
- 35.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 p.m.
- 36.What is 17:55 in 12-hour time? (a) 5:55 a.m. (b) 7:55 p.m. (c) 5:55 p.m.
- 37.A match starts at 11:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
- 38.A match starts at 13:55 and lasts 3 hours 15 minutes. At what time does it end? (a) 16:10 (b) 18:10 (c) 17:10
- 39.Write 5:50 p.m. in 24-hour time. (a) 17:50 (b) 05:50 (c) 19:50
- 40.A train leaves at 17:10 and reaches at 20:25. How long is the journey (in minutes)?
Answer key
- 6
- 10:55
- 05:35
- 195
- 14
- 6:20 p.m.
- 15:20
- 20:15
- 2:20 p.m.
- 17:45
- 11
- 70
- 8
- 75
- 12
- 3:10 p.m.
- 2
- 7:25 a.m.
- 2
- 5
- 10:10
- 9:20 a.m.
- 16
- 205
- 1:10 a.m.
- 115
- 11:10
- 11:40
- 10:00 a.m.
- 9:10 a.m.
- 100
- 21:40
- 16:05
- 8
- 6:05 p.m.
- 5:55 p.m.
- 13:45
- 17:10
- 17:50
- 195
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