Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 55 · 40 sums

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.

1. 1.A match starts at 13:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 15:00
2. 2.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 22:05
3. 3.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
4. 4.What is 19:50 in 12-hour time? (a) 7:50 a.m. (b) 7:50 p.m. (c) 9:50 p.m.
5. 5.A match starts at 14:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:25 (b) 17:25 (c) 15:25
6. 6.A train leaves at 15:45 and reaches at 17:45. How long is the journey (in minutes)?
7. 7.A film is 3 hours 15 minutes long. How many minutes is that?
8. 8.Write 9:50 a.m. in 24-hour time. (a) 11:50 (b) 09:50 (c) 21:50
9. 9.What is 08:30 in 12-hour time? (a) 8:30 p.m. (b) 10:30 a.m. (c) 8:30 a.m.
10. 10.Write 7:15 p.m. in 24-hour time. (a) 19:15 (b) 21:15 (c) 07:15
11. 11.How many hours are there from 07:00 to 13:00?
12. 12.A film is 1 hour 30 minutes long. How many minutes is that?
13. 13.A film is 2 hours 20 minutes long. How many minutes is that?
14. 14.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 01:15 (c) 13:15
15. 15.How many hours are there from 06:00 to 21:00?
16. 16.A train leaves at 18:55 and reaches at 19:20. How long is the journey (in minutes)?
17. 17.A match starts at 08:10 and lasts 2 hours 55 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
18. 18.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 15:05 (c) 03:05
19. 19.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 05:45 (c) 17:45
20. 20.Write 4:25 a.m. in 24-hour time. (a) 16:25 (b) 04:25 (c) 06:25
21. 21.How many hours are there from 05:00 to 07:00?
22. 22.How many hours are there from 08:00 to 12:00?
23. 23.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.
24. 24.A train leaves at 17:40 and reaches at 20:05. How long is the journey (in minutes)?
25. 25.A match starts at 15:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 19:30 (b) 18:30 (c) 20:30
26. 26.A train leaves at 09:45 and reaches at 12:05. How long is the journey (in minutes)?
27. 27.A train leaves at 08:40 and reaches at 09:35. How long is the journey (in minutes)?
28. 28.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 a.m. (c) 2:35 p.m.
29. 29.A train leaves at 12:50 and reaches at 15:50. How long is the journey (in minutes)?
30. 30.A train leaves at 09:35 and reaches at 10:40. How long is the journey (in minutes)?
31. 31.A film is 4 hours 5 minutes long. How many minutes is that?
32. 32.A film is 4 hours 20 minutes long. How many minutes is that?
33. 33.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 06:30 (c) 04:30
34. 34.What is 23:00 in 12-hour time? (a) 1:00 p.m. (b) 11:00 a.m. (c) 11:00 p.m.
35. 35.What is 15:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 p.m. (c) 3:45 p.m.
36. 36.A film is 2 hours 5 minutes long. How many minutes is that?
37. 37.A match starts at 09:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 11:50
38. 38.A match starts at 09:05 and lasts 2 hours 55 minutes. At what time does it end? (a) 12:00 (b) 11:00 (c) 13:00
39. 39.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55
40. 40.A match starts at 09:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:20 (b) 12:20 (c) 13:20

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