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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 642 · 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 6:45 a.m. in 24-hour time. (a) 18:45 (b) 08:45 (c) 06:45
  2. 2.A train leaves at 18:50 and reaches at 20:35. How long is the journey (in minutes)?
  3. 3.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 19:25 (c) 09:25
  4. 4.A train leaves at 18:55 and reaches at 21:40. How long is the journey (in minutes)?
  5. 5.A match starts at 08:40 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:15 (b) 10:15 (c) 11:15
  6. 6.A film is 2 hours 35 minutes long. How many minutes is that?
  7. 7.How many hours are there from 05:00 to 10:00?
  8. 8.How many hours are there from 07:00 to 18:00?
  9. 9.A match starts at 10:20 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:30 (b) 13:30 (c) 14:30
  10. 10.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 06:15 (c) 08:15
  11. 11.A match starts at 07:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:45 (b) 09:45 (c) 07:45
  12. 12.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
  13. 13.How many hours are there from 08:00 to 15:00?
  14. 14.A film is 4 hours 35 minutes long. How many minutes is that?
  15. 15.A train leaves at 19:25 and reaches at 21:10. How long is the journey (in minutes)?
  16. 16.Write 5:50 a.m. in 24-hour time. (a) 07:50 (b) 17:50 (c) 05:50
  17. 17.How many hours are there from 08:00 to 11:00?
  18. 18.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 a.m. (c) 3:05 a.m.
  19. 19.A film is 4 hours 50 minutes long. How many minutes is that?
  20. 20.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 3:05 p.m. (c) 1:05 p.m.
  21. 21.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 05:05 (c) 17:05
  22. 22.A match starts at 09:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 13:25 (b) 15:25 (c) 14:25
  23. 23.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 a.m. (c) 3:35 p.m.
  24. 24.A train leaves at 17:35 and reaches at 18:35. How long is the journey (in minutes)?
  25. 25.What is 16:40 in 12-hour time? (a) 4:40 p.m. (b) 4:40 a.m. (c) 6:40 p.m.
  26. 26.A film is 3 hours 45 minutes long. How many minutes is that?
  27. 27.Write 5:30 p.m. in 24-hour time. (a) 05:30 (b) 17:30 (c) 19:30
  28. 28.How many hours are there from 06:00 to 11:00?
  29. 29.What is 19:05 in 12-hour time? (a) 9:05 p.m. (b) 7:05 p.m. (c) 7:05 a.m.
  30. 30.How many hours are there from 07:00 to 17:00?
  31. 31.A train leaves at 10:05 and reaches at 11:15. How long is the journey (in minutes)?
  32. 32.A film is 3 hours 40 minutes long. How many minutes is that?
  33. 33.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
  34. 34.A match starts at 09:20 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:50 (b) 09:50 (c) 10:50
  35. 35.A match starts at 12:00 and lasts 2 hours 30 minutes. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
  36. 36.How many hours are there from 11:00 to 18:00?
  37. 37.A match starts at 10:45 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
  38. 38.A train leaves at 13:00 and reaches at 13:55. How long is the journey (in minutes)?
  39. 39.How many hours are there from 11:00 to 13:00?
  40. 40.What is 19:30 in 12-hour time? (a) 7:30 p.m. (b) 7:30 a.m. (c) 9:30 p.m.

Answer key

  1. 06:45
  2. 105
  3. 07:25
  4. 165
  5. 10:15
  6. 155
  7. 5
  8. 11
  9. 14:30
  10. 06:15
  11. 08:45
  12. 9:50 a.m.
  13. 7
  14. 275
  15. 105
  16. 05:50
  17. 3
  18. 3:05 a.m.
  19. 290
  20. 1:05 p.m.
  21. 17:05
  22. 14:25
  23. 3:35 a.m.
  24. 60
  25. 4:40 p.m.
  26. 225
  27. 17:30
  28. 5
  29. 7:05 p.m.
  30. 10
  31. 70
  32. 220
  33. 18:55
  34. 10:50
  35. 14:30
  36. 7
  37. 11:50
  38. 55
  39. 2
  40. 7:30 p.m.

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