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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 281 · 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 10:45 and reaches at 12:20. How long is the journey (in minutes)?
  2. 2.A film is 1 hour 20 minutes long. How many minutes is that?
  3. 3.A film is 2 hours 5 minutes long. How many minutes is that?
  4. 4.A match starts at 13:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 14:55 (b) 13:55 (c) 15:55
  5. 5.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 a.m. (c) 11:00 p.m.
  6. 6.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 04:35
  7. 7.How many hours are there from 07:00 to 23:00?
  8. 8.A train leaves at 07:05 and reaches at 07:45. How long is the journey (in minutes)?
  9. 9.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 07:55 (c) 09:55
  10. 10.What is 14:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 p.m.
  11. 11.What is 16:10 in 12-hour time? (a) 6:10 p.m. (b) 4:10 p.m. (c) 4:10 a.m.
  12. 12.A film is 4 hours 55 minutes long. How many minutes is that?
  13. 13.A film is 2 hours 20 minutes long. How many minutes is that?
  14. 14.How many hours are there from 05:00 to 13:00?
  15. 15.What is 09:40 in 12-hour time? (a) 9:40 p.m. (b) 9:40 a.m. (c) 11:40 a.m.
  16. 16.A train leaves at 17:05 and reaches at 19:45. How long is the journey (in minutes)?
  17. 17.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 03:45 (c) 01:45
  18. 18.A train leaves at 09:35 and reaches at 12:45. How long is the journey (in minutes)?
  19. 19.How many hours are there from 10:00 to 18:00?
  20. 20.How many hours are there from 07:00 to 15:00?
  21. 21.A film is 1 hour 15 minutes long. How many minutes is that?
  22. 22.Write 7:20 p.m. in 24-hour time. (a) 19:20 (b) 07:20 (c) 21:20
  23. 23.A film is 4 hours 15 minutes long. How many minutes is that?
  24. 24.Write 3:30 a.m. in 24-hour time. (a) 05:30 (b) 03:30 (c) 15:30
  25. 25.How many hours are there from 06:00 to 08:00?
  26. 26.A film is 1 hour 30 minutes long. How many minutes is that?
  27. 27.A film is 2 hours 15 minutes long. How many minutes is that?
  28. 28.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 2:35 a.m. (c) 4:35 p.m.
  29. 29.What is 08:30 in 12-hour time? (a) 8:30 p.m. (b) 10:30 a.m. (c) 8:30 a.m.
  30. 30.A film is 4 hours 10 minutes long. How many minutes is that?
  31. 31.A train leaves at 09:25 and reaches at 11:55. How long is the journey (in minutes)?
  32. 32.A film is 1 hour 55 minutes long. How many minutes is that?
  33. 33.A train leaves at 10:05 and reaches at 11:45. How long is the journey (in minutes)?
  34. 34.A train leaves at 14:25 and reaches at 15:25. How long is the journey (in minutes)?
  35. 35.A train leaves at 06:15 and reaches at 08:50. How long is the journey (in minutes)?
  36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
  37. 37.A film is 3 hours 5 minutes long. How many minutes is that?
  38. 38.A train leaves at 15:50 and reaches at 17:05. How long is the journey (in minutes)?
  39. 39.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 07:10
  40. 40.How many hours are there from 05:00 to 20:00?

Answer key

  1. 95
  2. 80
  3. 125
  4. 14:55
  5. 11:00 a.m.
  6. 02:35
  7. 16
  8. 40
  9. 07:55
  10. 2:10 p.m.
  11. 4:10 p.m.
  12. 295
  13. 140
  14. 8
  15. 9:40 a.m.
  16. 160
  17. 01:45
  18. 190
  19. 8
  20. 8
  21. 75
  22. 19:20
  23. 255
  24. 03:30
  25. 2
  26. 90
  27. 135
  28. 2:35 p.m.
  29. 8:30 a.m.
  30. 250
  31. 150
  32. 115
  33. 100
  34. 60
  35. 155
  36. 220
  37. 185
  38. 75
  39. 05:10
  40. 15

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