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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 525 · 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 12:00 to 16:00?
  2. 2.A train leaves at 16:35 and reaches at 17:35. How long is the journey (in minutes)?
  3. 3.What is 11:00 in 12-hour time? (a) 11:00 p.m. (b) 1:00 a.m. (c) 11:00 a.m.
  4. 4.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
  5. 5.What is 18:55 in 12-hour time? (a) 6:55 a.m. (b) 6:55 p.m. (c) 8:55 p.m.
  6. 6.Write 11:55 a.m. in 24-hour time. (a) 13:55 (b) 23:55 (c) 11:55
  7. 7.What is 17:25 in 12-hour time? (a) 5:25 a.m. (b) 7:25 p.m. (c) 5:25 p.m.
  8. 8.A train leaves at 12:15 and reaches at 14:30. How long is the journey (in minutes)?
  9. 9.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 13:50 (c) 23:50
  10. 10.A train leaves at 13:50 and reaches at 14:30. How long is the journey (in minutes)?
  11. 11.How many hours are there from 05:00 to 16:00?
  12. 12.How many hours are there from 06:00 to 16:00?
  13. 13.Write 10:40 p.m. in 24-hour time. (a) 00:40 (b) 10:40 (c) 22:40
  14. 14.A film is 4 hours 5 minutes long. How many minutes is that?
  15. 15.A film is 2 hours 35 minutes long. How many minutes is that?
  16. 16.How many hours are there from 05:00 to 15:00?
  17. 17.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 15:40 (c) 05:40
  18. 18.A train leaves at 08:45 and reaches at 09:15. How long is the journey (in minutes)?
  19. 19.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 p.m. (c) 3:35 a.m.
  20. 20.A film is 1 hour 40 minutes long. How many minutes is that?
  21. 21.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 14:00 (c) 02:00
  22. 22.Write 6:15 p.m. in 24-hour time. (a) 20:15 (b) 18:15 (c) 06:15
  23. 23.Write 3:00 a.m. in 24-hour time. (a) 15:00 (b) 05:00 (c) 03:00
  24. 24.What is 06:55 in 12-hour time? (a) 8:55 a.m. (b) 6:55 p.m. (c) 6:55 a.m.
  25. 25.How many hours are there from 06:00 to 23:00?
  26. 26.Write 10:35 p.m. in 24-hour time. (a) 22:35 (b) 10:35 (c) 00:35
  27. 27.How many hours are there from 12:00 to 19:00?
  28. 28.A train leaves at 07:55 and reaches at 10:15. How long is the journey (in minutes)?
  29. 29.A film is 4 hours 50 minutes long. How many minutes is that?
  30. 30.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 15:40 (c) 03:40
  31. 31.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 23:25 (c) 21:25
  32. 32.A film is 4 hours 40 minutes long. How many minutes is that?
  33. 33.How many hours are there from 12:00 to 14:00?
  34. 34.A train leaves at 08:20 and reaches at 09:35. How long is the journey (in minutes)?
  35. 35.A match starts at 08:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 11:50
  36. 36.A train leaves at 12:35 and reaches at 13:15. How long is the journey (in minutes)?
  37. 37.How many hours are there from 12:00 to 22:00?
  38. 38.A train leaves at 13:50 and reaches at 15:50. How long is the journey (in minutes)?
  39. 39.A match starts at 15:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:55 (b) 17:55 (c) 15:55
  40. 40.A film is 2 hours 50 minutes long. How many minutes is that?

Answer key

  1. 4
  2. 60
  3. 11:00 a.m.
  4. 07:20
  5. 6:55 p.m.
  6. 11:55
  7. 5:25 p.m.
  8. 135
  9. 11:50
  10. 40
  11. 11
  12. 10
  13. 22:40
  14. 245
  15. 155
  16. 10
  17. 03:40
  18. 30
  19. 3:35 a.m.
  20. 100
  21. 02:00
  22. 18:15
  23. 03:00
  24. 6:55 a.m.
  25. 17
  26. 22:35
  27. 7
  28. 140
  29. 290
  30. 15:40
  31. 21:25
  32. 280
  33. 2
  34. 75
  35. 10:50
  36. 40
  37. 10
  38. 120
  39. 16:55
  40. 170

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