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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 559 · 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.A film is 2 hours 15 minutes long. How many minutes is that?
  2. 2.How many hours are there from 07:00 to 18:00?
  3. 3.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 08:10 (c) 06:10
  4. 4.A match starts at 15:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:20 (b) 16:20 (c) 18:20
  5. 5.What is 14:25 in 12-hour time? (a) 4:25 p.m. (b) 2:25 p.m. (c) 2:25 a.m.
  6. 6.Write 6:05 a.m. in 24-hour time. (a) 06:05 (b) 18:05 (c) 08:05
  7. 7.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 9:00 a.m. (c) 7:00 p.m.
  8. 8.What is 08:40 in 12-hour time? (a) 10:40 a.m. (b) 8:40 a.m. (c) 8:40 p.m.
  9. 9.How many hours are there from 05:00 to 13:00?
  10. 10.How many hours are there from 10:00 to 19:00?
  11. 11.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 14:00 (c) 02:00
  12. 12.Write 8:40 a.m. in 24-hour time. (a) 08:40 (b) 20:40 (c) 10:40
  13. 13.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 a.m. (c) 6:05 p.m.
  14. 14.What is 04:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 a.m. (c) 4:15 a.m.
  15. 15.A match starts at 08:30 and lasts 2 hours 45 minutes. At what time does it end? (a) 10:15 (b) 12:15 (c) 11:15
  16. 16.What is 23:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 p.m. (c) 11:40 p.m.
  17. 17.A match starts at 08:35 and lasts 4 hours 55 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
  18. 18.A match starts at 08:05 and lasts 4 hours 40 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 13:45
  19. 19.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 15:15 (c) 03:15
  20. 20.How many hours are there from 10:00 to 14:00?
  21. 21.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 12:10
  22. 22.How many hours are there from 10:00 to 18:00?
  23. 23.How many hours are there from 06:00 to 08:00?
  24. 24.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
  25. 25.A film is 1 hour 20 minutes long. How many minutes is that?
  26. 26.How many hours are there from 09:00 to 23:00?
  27. 27.Write 7:20 a.m. in 24-hour time. (a) 07:20 (b) 09:20 (c) 19:20
  28. 28.A match starts at 07:15 and lasts 4 hours 40 minutes. At what time does it end? (a) 10:55 (b) 11:55 (c) 12:55
  29. 29.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 15:40 (c) 03:40
  30. 30.How many hours are there from 05:00 to 10:00?
  31. 31.Write 6:55 p.m. in 24-hour time. (a) 06:55 (b) 20:55 (c) 18:55
  32. 32.Write 4:25 p.m. in 24-hour time. (a) 04:25 (b) 18:25 (c) 16:25
  33. 33.Write 5:15 p.m. in 24-hour time. (a) 17:15 (b) 19:15 (c) 05:15
  34. 34.Write 7:10 p.m. in 24-hour time. (a) 19:10 (b) 21:10 (c) 07:10
  35. 35.What is 01:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 a.m.
  36. 36.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 13:30 (c) 01:30
  37. 37.A match starts at 07:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:30 (b) 11:30 (c) 09:30
  38. 38.A film is 3 hours 55 minutes long. How many minutes is that?
  39. 39.A train leaves at 18:00 and reaches at 19:20. How long is the journey (in minutes)?
  40. 40.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 04:25

Answer key

  1. 135
  2. 11
  3. 06:10
  4. 17:20
  5. 2:25 p.m.
  6. 06:05
  7. 7:00 a.m.
  8. 8:40 a.m.
  9. 8
  10. 9
  11. 02:00
  12. 08:40
  13. 6:05 a.m.
  14. 4:15 a.m.
  15. 11:15
  16. 11:40 p.m.
  17. 13:30
  18. 12:45
  19. 03:15
  20. 4
  21. 10:10
  22. 8
  23. 2
  24. 03:45
  25. 80
  26. 14
  27. 07:20
  28. 11:55
  29. 15:40
  30. 5
  31. 18:55
  32. 16:25
  33. 17:15
  34. 19:10
  35. 1:15 a.m.
  36. 13:30
  37. 10:30
  38. 235
  39. 80
  40. 02:25

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