Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 66 · 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.Write 10:50 a.m. in 24-hour time. (a) 22:50 (b) 10:50 (c) 12:50
2. 2.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 12:45 a.m. (c) 10:45 a.m.
3. 3.A match starts at 13:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 17:10
4. 4.How many hours are there from 07:00 to 19:00?
5. 5.A match starts at 07:25 and lasts 1 hour 30 minutes. At what time does it end? (a) 07:55 (b) 08:55 (c) 09:55
6. 6.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 21:30 (c) 19:30
7. 7.What is 04:00 in 12-hour time? (a) 6:00 a.m. (b) 4:00 a.m. (c) 4:00 p.m.
8. 8.A match starts at 12:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 14:25
9. 9.A match starts at 14:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:55 (b) 17:55 (c) 16:55
10. 10.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
11. 11.What is 13:15 in 12-hour time? (a) 3:15 p.m. (b) 1:15 p.m. (c) 1:15 a.m.
12. 12.A match starts at 08:00 and lasts 2 hours 25 minutes. At what time does it end? (a) 09:25 (b) 11:25 (c) 10:25
13. 13.Write 10:25 p.m. in 24-hour time. (a) 10:25 (b) 00:25 (c) 22:25
14. 14.Write 10:00 p.m. in 24-hour time. (a) 00:00 (b) 10:00 (c) 22:00
15. 15.How many hours are there from 08:00 to 15:00?
16. 16.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 a.m. (c) 5:40 p.m.
17. 17.A match starts at 09:55 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:25 (b) 11:25 (c) 12:25
18. 18.A match starts at 06:15 and lasts 3 hours 30 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 08:45
19. 19.A film is 4 hours 40 minutes long. How many minutes is that?
20. 20.What is 20:35 in 12-hour time? (a) 8:35 a.m. (b) 10:35 p.m. (c) 8:35 p.m.
21. 21.A match starts at 12:20 and lasts 4 hours 20 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
22. 22.A match starts at 06:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 11:55
23. 23.A train leaves at 17:00 and reaches at 17:40. How long is the journey (in minutes)?
24. 24.What is 23:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 p.m.
25. 25.A film is 4 hours 50 minutes long. How many minutes is that?
26. 26.Write 11:45 a.m. in 24-hour time. (a) 13:45 (b) 23:45 (c) 11:45
27. 27.What is 19:35 in 12-hour time? (a) 7:35 a.m. (b) 7:35 p.m. (c) 9:35 p.m.
28. 28.How many hours are there from 05:00 to 14:00?
29. 29.A train leaves at 08:05 and reaches at 09:10. How long is the journey (in minutes)?
30. 30.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 4:30 p.m. (c) 6:30 a.m.
31. 31.A match starts at 16:25 and lasts 4 hours 5 minutes. At what time does it end? (a) 21:30 (b) 19:30 (c) 20:30
32. 32.A train leaves at 15:50 and reaches at 17:30. How long is the journey (in minutes)?
33. 33.How many hours are there from 11:00 to 17:00?
34. 34.A train leaves at 08:30 and reaches at 09:20. How long is the journey (in minutes)?
35. 35.Write 9:10 a.m. in 24-hour time. (a) 11:10 (b) 09:10 (c) 21:10
36. 36.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 23:10 (c) 11:10
37. 37.A film is 1 hour 25 minutes long. How many minutes is that?
38. 38.A film is 4 hours 45 minutes long. How many minutes is that?
39. 39.How many hours are there from 06:00 to 18:00?
40. 40.A train leaves at 13:30 and reaches at 14:40. How long is the journey (in minutes)?

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets