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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 877 · 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 train leaves at 09:25 and reaches at 10:45. How long is the journey (in minutes)?
  2. 2.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 p.m. (c) 9:50 p.m.
  3. 3.Write 9:20 a.m. in 24-hour time. (a) 11:20 (b) 21:20 (c) 09:20
  4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
  5. 5.A train leaves at 13:25 and reaches at 15:55. How long is the journey (in minutes)?
  6. 6.What is 09:30 in 12-hour time? (a) 11:30 a.m. (b) 9:30 p.m. (c) 9:30 a.m.
  7. 7.A match starts at 17:20 and lasts 2 hours 30 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 20:50
  8. 8.A film is 4 hours 30 minutes long. How many minutes is that?
  9. 9.Write 5:20 a.m. in 24-hour time. (a) 17:20 (b) 05:20 (c) 07:20
  10. 10.A film is 4 hours 15 minutes long. How many minutes is that?
  11. 11.A train leaves at 14:30 and reaches at 16:45. How long is the journey (in minutes)?
  12. 12.Write 4:20 p.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 18:20
  13. 13.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
  14. 14.A film is 4 hours 25 minutes long. How many minutes is that?
  15. 15.A film is 4 hours 45 minutes long. How many minutes is that?
  16. 16.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 06:15 (c) 08:15
  17. 17.A film is 3 hours 10 minutes long. How many minutes is that?
  18. 18.What is 02:15 in 12-hour time? (a) 2:15 p.m. (b) 4:15 a.m. (c) 2:15 a.m.
  19. 19.A film is 1 hour 25 minutes long. How many minutes is that?
  20. 20.What is 01:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 a.m. (c) 1:55 p.m.
  21. 21.A film is 1 hour 45 minutes long. How many minutes is that?
  22. 22.A train leaves at 17:25 and reaches at 17:50. How long is the journey (in minutes)?
  23. 23.Write 2:40 p.m. in 24-hour time. (a) 14:40 (b) 16:40 (c) 02:40
  24. 24.A match starts at 18:20 and lasts 3 hours 30 minutes. At what time does it end? (a) 22:50 (b) 21:50 (c) 20:50
  25. 25.A film is 4 hours 40 minutes long. How many minutes is that?
  26. 26.A match starts at 06:20 and lasts 3 hours 20 minutes. At what time does it end? (a) 09:40 (b) 10:40 (c) 08:40
  27. 27.A film is 3 hours 20 minutes long. How many minutes is that?
  28. 28.What is 16:40 in 12-hour time? (a) 4:40 a.m. (b) 6:40 p.m. (c) 4:40 p.m.
  29. 29.How many hours are there from 12:00 to 21:00?
  30. 30.A film is 3 hours 35 minutes long. How many minutes is that?
  31. 31.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
  32. 32.A film is 1 hour 55 minutes long. How many minutes is that?
  33. 33.A train leaves at 14:30 and reaches at 16:05. How long is the journey (in minutes)?
  34. 34.Write 10:40 p.m. in 24-hour time. (a) 00:40 (b) 22:40 (c) 10:40
  35. 35.A train leaves at 10:40 and reaches at 13:10. How long is the journey (in minutes)?
  36. 36.Write 7:15 p.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 21:15
  37. 37.Write 7:55 p.m. in 24-hour time. (a) 19:55 (b) 07:55 (c) 21:55
  38. 38.How many hours are there from 05:00 to 08:00?
  39. 39.How many hours are there from 11:00 to 21:00?
  40. 40.Write 11:35 p.m. in 24-hour time. (a) 11:35 (b) 01:35 (c) 23:35

Answer key

  1. 80
  2. 9:50 p.m.
  3. 09:20
  4. 185
  5. 150
  6. 9:30 a.m.
  7. 19:50
  8. 270
  9. 05:20
  10. 255
  11. 135
  12. 16:20
  13. 15:05
  14. 265
  15. 285
  16. 06:15
  17. 190
  18. 2:15 a.m.
  19. 85
  20. 1:55 a.m.
  21. 105
  22. 25
  23. 14:40
  24. 21:50
  25. 280
  26. 09:40
  27. 200
  28. 4:40 p.m.
  29. 9
  30. 215
  31. 1:50 a.m.
  32. 115
  33. 95
  34. 22:40
  35. 150
  36. 19:15
  37. 19:55
  38. 3
  39. 10
  40. 23:35

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