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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 553 · 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.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 16:15 (c) 18:15
  2. 2.A film is 4 hours 5 minutes long. How many minutes is that?
  3. 3.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 a.m. (c) 8:25 p.m.
  4. 4.A film is 2 hours 40 minutes long. How many minutes is that?
  5. 5.How many hours are there from 09:00 to 13:00?
  6. 6.A train leaves at 06:05 and reaches at 06:45. How long is the journey (in minutes)?
  7. 7.A film is 1 hour 20 minutes long. How many minutes is that?
  8. 8.A train leaves at 17:30 and reaches at 19:00. How long is the journey (in minutes)?
  9. 9.Write 4:55 a.m. in 24-hour time. (a) 04:55 (b) 16:55 (c) 06:55
  10. 10.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
  11. 11.A film is 1 hour 10 minutes long. How many minutes is that?
  12. 12.How many hours are there from 05:00 to 23:00?
  13. 13.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 a.m.
  14. 14.How many hours are there from 09:00 to 16:00?
  15. 15.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 18:05 (c) 16:05
  16. 16.How many hours are there from 12:00 to 23:00?
  17. 17.A match starts at 08:00 and lasts 4 hours 50 minutes. At what time does it end? (a) 13:50 (b) 12:50 (c) 11:50
  18. 18.A match starts at 12:10 and lasts 4 hours 30 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 15:40
  19. 19.What is 04:05 in 12-hour time? (a) 6:05 a.m. (b) 4:05 p.m. (c) 4:05 a.m.
  20. 20.How many hours are there from 12:00 to 21:00?
  21. 21.What is 14:25 in 12-hour time? (a) 4:25 p.m. (b) 2:25 p.m. (c) 2:25 a.m.
  22. 22.How many hours are there from 05:00 to 14:00?
  23. 23.What is 07:35 in 12-hour time? (a) 9:35 a.m. (b) 7:35 p.m. (c) 7:35 a.m.
  24. 24.How many hours are there from 08:00 to 22:00?
  25. 25.What is 06:15 in 12-hour time? (a) 8:15 a.m. (b) 6:15 a.m. (c) 6:15 p.m.
  26. 26.Write 7:05 p.m. in 24-hour time. (a) 19:05 (b) 07:05 (c) 21:05
  27. 27.How many hours are there from 05:00 to 18:00?
  28. 28.A train leaves at 13:30 and reaches at 15:30. How long is the journey (in minutes)?
  29. 29.A film is 2 hours 5 minutes long. How many minutes is that?
  30. 30.Write 8:10 p.m. in 24-hour time. (a) 20:10 (b) 22:10 (c) 08:10
  31. 31.What is 10:05 in 12-hour time? (a) 12:05 a.m. (b) 10:05 a.m. (c) 10:05 p.m.
  32. 32.A match starts at 15:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 17:30 (b) 18:30 (c) 19:30
  33. 33.Write 3:25 p.m. in 24-hour time. (a) 15:25 (b) 17:25 (c) 03:25
  34. 34.What is 09:15 in 12-hour time? (a) 11:15 a.m. (b) 9:15 p.m. (c) 9:15 a.m.
  35. 35.Write 7:25 a.m. in 24-hour time. (a) 19:25 (b) 09:25 (c) 07:25
  36. 36.A film is 1 hour 15 minutes long. How many minutes is that?
  37. 37.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 21:25 (c) 23:25
  38. 38.A film is 2 hours 15 minutes long. How many minutes is that?
  39. 39.A film is 3 hours 10 minutes long. How many minutes is that?
  40. 40.How many hours are there from 07:00 to 14:00?

Answer key

  1. 16:15
  2. 245
  3. 8:25 a.m.
  4. 160
  5. 4
  6. 40
  7. 80
  8. 90
  9. 04:55
  10. 17:05
  11. 70
  12. 18
  13. 4:55 a.m.
  14. 7
  15. 16:05
  16. 11
  17. 12:50
  18. 16:40
  19. 4:05 a.m.
  20. 9
  21. 2:25 p.m.
  22. 9
  23. 7:35 a.m.
  24. 14
  25. 6:15 a.m.
  26. 19:05
  27. 13
  28. 120
  29. 125
  30. 20:10
  31. 10:05 a.m.
  32. 18:30
  33. 15:25
  34. 9:15 a.m.
  35. 07:25
  36. 75
  37. 21:25
  38. 135
  39. 190
  40. 7

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