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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 580 · 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 4 hours 25 minutes long. How many minutes is that?
  2. 2.How many hours are there from 12:00 to 21:00?
  3. 3.A film is 3 hours 55 minutes long. How many minutes is that?
  4. 4.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 p.m. (c) 2:35 a.m.
  5. 5.Write 10:00 a.m. in 24-hour time. (a) 22:00 (b) 12:00 (c) 10:00
  6. 6.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 2:35 a.m. (c) 4:35 p.m.
  7. 7.What is 14:30 in 12-hour time? (a) 4:30 p.m. (b) 2:30 p.m. (c) 2:30 a.m.
  8. 8.A train leaves at 06:55 and reaches at 07:50. How long is the journey (in minutes)?
  9. 9.A film is 1 hour 5 minutes long. How many minutes is that?
  10. 10.A film is 1 hour 50 minutes long. How many minutes is that?
  11. 11.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 p.m. (c) 9:20 a.m.
  12. 12.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 08:05 (c) 10:05
  13. 13.What is 20:35 in 12-hour time? (a) 10:35 p.m. (b) 8:35 p.m. (c) 8:35 a.m.
  14. 14.A match starts at 09:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:35 (b) 10:35 (c) 11:35
  15. 15.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 p.m.
  16. 16.What is 05:15 in 12-hour time? (a) 5:15 a.m. (b) 5:15 p.m. (c) 7:15 a.m.
  17. 17.Write 4:40 p.m. in 24-hour time. (a) 16:40 (b) 18:40 (c) 04:40
  18. 18.How many hours are there from 12:00 to 14:00?
  19. 19.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 03:50
  20. 20.A film is 4 hours 30 minutes long. How many minutes is that?
  21. 21.What is 22:10 in 12-hour time? (a) 10:10 a.m. (b) 12:10 p.m. (c) 10:10 p.m.
  22. 22.How many hours are there from 09:00 to 15:00?
  23. 23.Write 11:30 p.m. in 24-hour time. (a) 11:30 (b) 01:30 (c) 23:30
  24. 24.A train leaves at 17:55 and reaches at 21:05. How long is the journey (in minutes)?
  25. 25.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 16:05 (c) 14:05
  26. 26.Write 10:05 p.m. in 24-hour time. (a) 10:05 (b) 00:05 (c) 22:05
  27. 27.A train leaves at 11:30 and reaches at 13:50. How long is the journey (in minutes)?
  28. 28.A film is 3 hours 35 minutes long. How many minutes is that?
  29. 29.How many hours are there from 06:00 to 10:00?
  30. 30.How many hours are there from 09:00 to 13:00?
  31. 31.Write 7:05 a.m. in 24-hour time. (a) 09:05 (b) 19:05 (c) 07:05
  32. 32.What is 11:50 in 12-hour time? (a) 1:50 a.m. (b) 11:50 a.m. (c) 11:50 p.m.
  33. 33.How many hours are there from 06:00 to 15:00?
  34. 34.A film is 2 hours 30 minutes long. How many minutes is that?
  35. 35.What is 21:00 in 12-hour time? (a) 9:00 a.m. (b) 9:00 p.m. (c) 11:00 p.m.
  36. 36.Write 8:45 p.m. in 24-hour time. (a) 08:45 (b) 22:45 (c) 20:45
  37. 37.How many hours are there from 06:00 to 17:00?
  38. 38.How many hours are there from 12:00 to 15:00?
  39. 39.What is 08:30 in 12-hour time? (a) 8:30 a.m. (b) 8:30 p.m. (c) 10:30 a.m.
  40. 40.A match starts at 13:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 16:15 (b) 18:15 (c) 17:15

Answer key

  1. 265
  2. 9
  3. 235
  4. 2:35 a.m.
  5. 10:00
  6. 2:35 p.m.
  7. 2:30 p.m.
  8. 55
  9. 65
  10. 110
  11. 9:20 a.m.
  12. 08:05
  13. 8:35 p.m.
  14. 10:35
  15. 10:45 p.m.
  16. 5:15 a.m.
  17. 16:40
  18. 2
  19. 01:50
  20. 270
  21. 10:10 p.m.
  22. 6
  23. 23:30
  24. 190
  25. 14:05
  26. 22:05
  27. 140
  28. 215
  29. 4
  30. 4
  31. 07:05
  32. 11:50 a.m.
  33. 9
  34. 150
  35. 9:00 p.m.
  36. 20:45
  37. 11
  38. 3
  39. 8:30 a.m.
  40. 17:15

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