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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 69 · 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 8:05 p.m. in 24-hour time. (a) 22:05 (b) 20:05 (c) 08:05
  2. 2.What is 10:40 in 12-hour time? (a) 12:40 a.m. (b) 10:40 p.m. (c) 10:40 a.m.
  3. 3.A train leaves at 15:15 and reaches at 15:50. How long is the journey (in minutes)?
  4. 4.How many hours are there from 08:00 to 19:00?
  5. 5.Write 10:05 p.m. in 24-hour time. (a) 00:05 (b) 10:05 (c) 22:05
  6. 6.A match starts at 10:30 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 12:45
  7. 7.A train leaves at 06:00 and reaches at 08:55. How long is the journey (in minutes)?
  8. 8.Write 3:00 a.m. in 24-hour time. (a) 15:00 (b) 03:00 (c) 05:00
  9. 9.How many hours are there from 05:00 to 21:00?
  10. 10.A film is 1 hour 45 minutes long. How many minutes is that?
  11. 11.A match starts at 18:05 and lasts 2 hours. At what time does it end? (a) 19:05 (b) 21:05 (c) 20:05
  12. 12.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 10:25
  13. 13.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
  14. 14.A film is 4 hours 10 minutes long. How many minutes is that?
  15. 15.What is 13:35 in 12-hour time? (a) 1:35 p.m. (b) 1:35 a.m. (c) 3:35 p.m.
  16. 16.Write 8:00 a.m. in 24-hour time. (a) 20:00 (b) 10:00 (c) 08:00
  17. 17.A film is 2 hours 35 minutes long. How many minutes is that?
  18. 18.A match starts at 07:05 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:45 (b) 08:45 (c) 09:45
  19. 19.How many hours are there from 07:00 to 13:00?
  20. 20.A train leaves at 09:30 and reaches at 10:55. How long is the journey (in minutes)?
  21. 21.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 11:15
  22. 22.A train leaves at 10:50 and reaches at 11:50. How long is the journey (in minutes)?
  23. 23.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 a.m. (c) 8:15 p.m.
  24. 24.What is 02:45 in 12-hour time? (a) 2:45 a.m. (b) 4:45 a.m. (c) 2:45 p.m.
  25. 25.What is 03:15 in 12-hour time? (a) 3:15 p.m. (b) 3:15 a.m. (c) 5:15 a.m.
  26. 26.What is 15:30 in 12-hour time? (a) 5:30 p.m. (b) 3:30 a.m. (c) 3:30 p.m.
  27. 27.A match starts at 10:15 and lasts 2 hours 45 minutes. At what time does it end? (a) 12:00 (b) 14:00 (c) 13:00
  28. 28.What is 22:25 in 12-hour time? (a) 12:25 p.m. (b) 10:25 p.m. (c) 10:25 a.m.
  29. 29.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 11:05 a.m. (c) 9:05 a.m.
  30. 30.How many hours are there from 09:00 to 15:00?
  31. 31.A film is 4 hours 45 minutes long. How many minutes is that?
  32. 32.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
  33. 33.A match starts at 07:05 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:15 (b) 11:15 (c) 09:15
  34. 34.A train leaves at 12:50 and reaches at 14:10. How long is the journey (in minutes)?
  35. 35.What is 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 p.m. (c) 7:50 a.m.
  36. 36.A match starts at 13:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:45 (b) 16:45 (c) 17:45
  37. 37.How many hours are there from 08:00 to 13:00?
  38. 38.A film is 1 hour 20 minutes long. How many minutes is that?
  39. 39.How many hours are there from 05:00 to 08:00?
  40. 40.A train leaves at 14:30 and reaches at 16:50. How long is the journey (in minutes)?

Answer key

  1. 20:05
  2. 10:40 a.m.
  3. 35
  4. 11
  5. 22:05
  6. 13:45
  7. 175
  8. 03:00
  9. 16
  10. 105
  11. 20:05
  12. 08:25
  13. 2:40 p.m.
  14. 250
  15. 1:35 p.m.
  16. 08:00
  17. 155
  18. 09:45
  19. 6
  20. 85
  21. 09:15
  22. 60
  23. 8:15 a.m.
  24. 2:45 a.m.
  25. 3:15 a.m.
  26. 3:30 p.m.
  27. 13:00
  28. 10:25 p.m.
  29. 9:05 a.m.
  30. 6
  31. 285
  32. 4:20 p.m.
  33. 10:15
  34. 80
  35. 7:50 p.m.
  36. 17:45
  37. 5
  38. 80
  39. 3
  40. 140

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