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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 398 · 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 16:00 and reaches at 18:00. How long is the journey (in minutes)?
  2. 2.Write 7:15 a.m. in 24-hour time. (a) 09:15 (b) 19:15 (c) 07:15
  3. 3.What is 08:40 in 12-hour time? (a) 8:40 a.m. (b) 8:40 p.m. (c) 10:40 a.m.
  4. 4.What is 21:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 p.m. (c) 9:35 p.m.
  5. 5.Write 9:35 p.m. in 24-hour time. (a) 23:35 (b) 21:35 (c) 09:35
  6. 6.Write 6:05 a.m. in 24-hour time. (a) 06:05 (b) 18:05 (c) 08:05
  7. 7.A train leaves at 13:05 and reaches at 14:15. How long is the journey (in minutes)?
  8. 8.A film is 1 hour 20 minutes long. How many minutes is that?
  9. 9.How many hours are there from 08:00 to 15:00?
  10. 10.A match starts at 09:45 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:10 (b) 12:10 (c) 13:10
  11. 11.A film is 4 hours 10 minutes long. How many minutes is that?
  12. 12.A match starts at 07:55 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:50 (b) 09:50 (c) 10:50
  13. 13.Write 1:55 p.m. in 24-hour time. (a) 15:55 (b) 13:55 (c) 01:55
  14. 14.A film is 3 hours 10 minutes long. How many minutes is that?
  15. 15.How many hours are there from 10:00 to 22:00?
  16. 16.A match starts at 18:40 and lasts 4 hours 50 minutes. At what time does it end? (a) 22:30 (b) 00:30 (c) 23:30
  17. 17.Write 5:55 a.m. in 24-hour time. (a) 17:55 (b) 05:55 (c) 07:55
  18. 18.How many hours are there from 08:00 to 13:00?
  19. 19.A film is 3 hours 20 minutes long. How many minutes is that?
  20. 20.A match starts at 12:15 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:40 (b) 13:40 (c) 14:40
  21. 21.What is 03:55 in 12-hour time? (a) 5:55 a.m. (b) 3:55 p.m. (c) 3:55 a.m.
  22. 22.A film is 2 hours 50 minutes long. How many minutes is that?
  23. 23.A train leaves at 11:20 and reaches at 14:30. How long is the journey (in minutes)?
  24. 24.Write 6:10 p.m. in 24-hour time. (a) 06:10 (b) 18:10 (c) 20:10
  25. 25.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
  26. 26.A train leaves at 14:00 and reaches at 15:30. How long is the journey (in minutes)?
  27. 27.How many hours are there from 08:00 to 17:00?
  28. 28.How many hours are there from 12:00 to 23:00?
  29. 29.How many hours are there from 09:00 to 15:00?
  30. 30.What is 10:10 in 12-hour time? (a) 12:10 a.m. (b) 10:10 a.m. (c) 10:10 p.m.
  31. 31.A film is 2 hours 5 minutes long. How many minutes is that?
  32. 32.A match starts at 09:45 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
  33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
  34. 34.A train leaves at 10:25 and reaches at 11:25. How long is the journey (in minutes)?
  35. 35.How many hours are there from 06:00 to 21:00?
  36. 36.A film is 1 hour 45 minutes long. How many minutes is that?
  37. 37.A match starts at 11:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:25 (b) 13:25 (c) 12:25
  38. 38.Write 4:45 p.m. in 24-hour time. (a) 16:45 (b) 04:45 (c) 18:45
  39. 39.What is 06:30 in 12-hour time? (a) 6:30 a.m. (b) 8:30 a.m. (c) 6:30 p.m.
  40. 40.A train leaves at 07:40 and reaches at 09:20. How long is the journey (in minutes)?

Answer key

  1. 120
  2. 07:15
  3. 8:40 a.m.
  4. 9:35 p.m.
  5. 21:35
  6. 06:05
  7. 70
  8. 80
  9. 7
  10. 13:10
  11. 250
  12. 10:50
  13. 13:55
  14. 190
  15. 12
  16. 23:30
  17. 05:55
  18. 5
  19. 200
  20. 14:40
  21. 3:55 a.m.
  22. 170
  23. 190
  24. 18:10
  25. 04:10
  26. 90
  27. 9
  28. 11
  29. 6
  30. 10:10 a.m.
  31. 125
  32. 14:05
  33. 75
  34. 60
  35. 15
  36. 105
  37. 13:25
  38. 16:45
  39. 6:30 a.m.
  40. 100

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