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Class 4 Maths Worksheet: 24-Hour Clock

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

Answer key

  1. 1:00 a.m.
  2. 75
  3. 05:15
  4. 150
  5. 05:35
  6. 22:15
  7. 20:30
  8. 295
  9. 125
  10. 21:00
  11. 5
  12. 7
  13. 12:50
  14. 130
  15. 100
  16. 9
  17. 1:25 a.m.
  18. 190
  19. 3
  20. 225
  21. 11:25 p.m.
  22. 12
  23. 11
  24. 105
  25. 07:00
  26. 11:40
  27. 1:35 a.m.
  28. 6
  29. 160
  30. 11:25
  31. 13
  32. 20:00
  33. 10:10
  34. 17:35
  35. 2
  36. 2
  37. 7:05 a.m.
  38. 4
  39. 70
  40. 6:30 p.m.

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