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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 506 · 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 match starts at 07:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 10:25 (b) 12:25 (c) 11:25
  2. 2.How many hours are there from 10:00 to 12:00?
  3. 3.What is 01:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 a.m.
  4. 4.What is 07:20 in 12-hour time? (a) 9:20 a.m. (b) 7:20 p.m. (c) 7:20 a.m.
  5. 5.What is 07:50 in 12-hour time? (a) 9:50 a.m. (b) 7:50 p.m. (c) 7:50 a.m.
  6. 6.Write 11:20 a.m. in 24-hour time. (a) 13:20 (b) 11:20 (c) 23:20
  7. 7.A film is 4 hours 30 minutes long. How many minutes is that?
  8. 8.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 a.m. (c) 11:50 p.m.
  9. 9.A train leaves at 19:45 and reaches at 20:15. How long is the journey (in minutes)?
  10. 10.A train leaves at 14:55 and reaches at 15:45. How long is the journey (in minutes)?
  11. 11.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
  12. 12.A train leaves at 12:00 and reaches at 13:25. How long is the journey (in minutes)?
  13. 13.A match starts at 06:25 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:35 (b) 06:35 (c) 07:35
  14. 14.Write 11:40 p.m. in 24-hour time. (a) 01:40 (b) 23:40 (c) 11:40
  15. 15.What is 09:00 in 12-hour time? (a) 9:00 p.m. (b) 11:00 a.m. (c) 9:00 a.m.
  16. 16.What is 02:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 a.m.
  17. 17.What is 10:00 in 12-hour time? (a) 10:00 p.m. (b) 12:00 a.m. (c) 10:00 a.m.
  18. 18.A film is 1 hour 55 minutes long. How many minutes is that?
  19. 19.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 p.m. (c) 9:05 a.m.
  20. 20.A train leaves at 10:00 and reaches at 13:20. How long is the journey (in minutes)?
  21. 21.What is 04:00 in 12-hour time? (a) 6:00 a.m. (b) 4:00 p.m. (c) 4:00 a.m.
  22. 22.A film is 3 hours 25 minutes long. How many minutes is that?
  23. 23.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
  24. 24.A film is 3 hours 45 minutes long. How many minutes is that?
  25. 25.A train leaves at 17:00 and reaches at 18:20. How long is the journey (in minutes)?
  26. 26.Write 5:30 p.m. in 24-hour time. (a) 05:30 (b) 19:30 (c) 17:30
  27. 27.A train leaves at 11:25 and reaches at 12:35. How long is the journey (in minutes)?
  28. 28.A train leaves at 15:30 and reaches at 17:55. How long is the journey (in minutes)?
  29. 29.What is 03:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 a.m. (c) 3:05 p.m.
  30. 30.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 02:10 (c) 14:10
  31. 31.Write 2:40 p.m. in 24-hour time. (a) 16:40 (b) 02:40 (c) 14:40
  32. 32.How many hours are there from 06:00 to 17:00?
  33. 33.Write 6:05 a.m. in 24-hour time. (a) 08:05 (b) 06:05 (c) 18:05
  34. 34.A match starts at 16:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 22:10 (b) 20:10 (c) 21:10
  35. 35.How many hours are there from 11:00 to 23:00?
  36. 36.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 05:35 (c) 03:35
  37. 37.A train leaves at 09:50 and reaches at 10:35. How long is the journey (in minutes)?
  38. 38.A film is 3 hours 30 minutes long. How many minutes is that?
  39. 39.A match starts at 14:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 16:05 (b) 15:05 (c) 14:05
  40. 40.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 13:10

Answer key

  1. 11:25
  2. 2
  3. 1:40 a.m.
  4. 7:20 a.m.
  5. 7:50 a.m.
  6. 11:20
  7. 270
  8. 11:50 p.m.
  9. 30
  10. 50
  11. 4:50 p.m.
  12. 85
  13. 07:35
  14. 23:40
  15. 9:00 a.m.
  16. 2:25 a.m.
  17. 10:00 a.m.
  18. 115
  19. 9:05 a.m.
  20. 200
  21. 4:00 a.m.
  22. 205
  23. 6:05 a.m.
  24. 225
  25. 80
  26. 17:30
  27. 70
  28. 145
  29. 3:05 a.m.
  30. 02:10
  31. 14:40
  32. 11
  33. 06:05
  34. 21:10
  35. 12
  36. 03:35
  37. 45
  38. 210
  39. 15:05
  40. 11:10

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