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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 403 · 40 sums
TalentJR

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

Answer key

  1. 9
  2. 09:35
  3. 13
  4. 1:15 p.m.
  5. 01:45
  6. 6
  7. 155
  8. 145
  9. 5:45 p.m.
  10. 2:10 a.m.
  11. 14:45
  12. 12
  13. 22:30
  14. 190
  15. 05:35
  16. 185
  17. 09:45
  18. 11:50 a.m.
  19. 10:25
  20. 14:30
  21. 06:45
  22. 08:40
  23. 13:55
  24. 16
  25. 10
  26. 20:10
  27. 09:55
  28. 3
  29. 16:50
  30. 130
  31. 6
  32. 11:05
  33. 210
  34. 12
  35. 02:50
  36. 03:15
  37. 80
  38. 22:05
  39. 11:40
  40. 02:10

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