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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 800 · 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 film is 2 hours 5 minutes long. How many minutes is that?
  2. 2.What is 16:20 in 12-hour time? (a) 6:20 p.m. (b) 4:20 p.m. (c) 4:20 a.m.
  3. 3.A train leaves at 19:40 and reaches at 21:20. How long is the journey (in minutes)?
  4. 4.How many hours are there from 12:00 to 19:00?
  5. 5.Write 1:05 p.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 15:05
  6. 6.How many hours are there from 07:00 to 09:00?
  7. 7.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 p.m. (c) 11:10 a.m.
  8. 8.A match starts at 15:35 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 21:20
  9. 9.How many hours are there from 10:00 to 14:00?
  10. 10.A film is 3 hours 15 minutes long. How many minutes is that?
  11. 11.How many hours are there from 08:00 to 13:00?
  12. 12.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 16:20 (c) 14:20
  13. 13.What is 10:05 in 12-hour time? (a) 10:05 a.m. (b) 12:05 a.m. (c) 10:05 p.m.
  14. 14.A match starts at 17:00 and lasts 1 hour 45 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
  15. 15.A train leaves at 14:20 and reaches at 15:30. How long is the journey (in minutes)?
  16. 16.How many hours are there from 06:00 to 09:00?
  17. 17.A train leaves at 17:50 and reaches at 20:05. How long is the journey (in minutes)?
  18. 18.A match starts at 11:30 and lasts 4 hours 50 minutes. At what time does it end? (a) 17:20 (b) 15:20 (c) 16:20
  19. 19.A match starts at 15:50 and lasts 3 hours 15 minutes. At what time does it end? (a) 20:05 (b) 19:05 (c) 18:05
  20. 20.A train leaves at 07:20 and reaches at 08:20. How long is the journey (in minutes)?
  21. 21.What is 05:10 in 12-hour time? (a) 5:10 p.m. (b) 7:10 a.m. (c) 5:10 a.m.
  22. 22.A film is 3 hours 50 minutes long. How many minutes is that?
  23. 23.What is 02:15 in 12-hour time? (a) 2:15 p.m. (b) 4:15 a.m. (c) 2:15 a.m.
  24. 24.Write 10:45 p.m. in 24-hour time. (a) 22:45 (b) 00:45 (c) 10:45
  25. 25.What is 17:50 in 12-hour time? (a) 5:50 p.m. (b) 7:50 p.m. (c) 5:50 a.m.
  26. 26.A train leaves at 17:45 and reaches at 18:55. How long is the journey (in minutes)?
  27. 27.What is 14:50 in 12-hour time? (a) 4:50 p.m. (b) 2:50 p.m. (c) 2:50 a.m.
  28. 28.A film is 1 hour 15 minutes long. How many minutes is that?
  29. 29.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
  30. 30.How many hours are there from 07:00 to 10:00?
  31. 31.Write 10:10 p.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 00:10
  32. 32.What is 22:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 p.m.
  33. 33.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 20:10 (c) 08:10
  34. 34.How many hours are there from 05:00 to 13:00?
  35. 35.A match starts at 11:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 14:20
  36. 36.A train leaves at 13:20 and reaches at 14:20. How long is the journey (in minutes)?
  37. 37.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 a.m. (c) 3:40 p.m.
  38. 38.A film is 1 hour 30 minutes long. How many minutes is that?
  39. 39.A match starts at 13:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 18:35 (b) 16:35 (c) 17:35
  40. 40.Write 8:15 p.m. in 24-hour time. (a) 20:15 (b) 22:15 (c) 08:15

Answer key

  1. 125
  2. 4:20 p.m.
  3. 100
  4. 7
  5. 13:05
  6. 2
  7. 11:10 a.m.
  8. 20:20
  9. 4
  10. 195
  11. 5
  12. 14:20
  13. 10:05 a.m.
  14. 18:45
  15. 70
  16. 3
  17. 135
  18. 16:20
  19. 19:05
  20. 60
  21. 5:10 a.m.
  22. 230
  23. 2:15 a.m.
  24. 22:45
  25. 5:50 p.m.
  26. 70
  27. 2:50 p.m.
  28. 75
  29. 23:05
  30. 3
  31. 22:10
  32. 10:15 p.m.
  33. 08:10
  34. 8
  35. 13:20
  36. 60
  37. 3:40 a.m.
  38. 90
  39. 17:35
  40. 20:15

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