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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 658 · 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 11:10 p.m. in 24-hour time. (a) 01:10 (b) 23:10 (c) 11:10
  2. 2.How many hours are there from 09:00 to 20:00?
  3. 3.Write 2:45 a.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 04:45
  4. 4.A train leaves at 09:20 and reaches at 10:35. How long is the journey (in minutes)?
  5. 5.How many hours are there from 12:00 to 22:00?
  6. 6.Write 11:50 p.m. in 24-hour time. (a) 11:50 (b) 01:50 (c) 23:50
  7. 7.A train leaves at 14:30 and reaches at 15:55. How long is the journey (in minutes)?
  8. 8.A film is 4 hours 5 minutes long. How many minutes is that?
  9. 9.A train leaves at 18:10 and reaches at 19:05. How long is the journey (in minutes)?
  10. 10.How many hours are there from 10:00 to 14:00?
  11. 11.A match starts at 09:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 11:10
  12. 12.What is 15:40 in 12-hour time? (a) 5:40 p.m. (b) 3:40 a.m. (c) 3:40 p.m.
  13. 13.How many hours are there from 11:00 to 17:00?
  14. 14.A match starts at 09:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 11:35 (b) 12:35 (c) 10:35
  15. 15.How many hours are there from 08:00 to 23:00?
  16. 16.How many hours are there from 05:00 to 09:00?
  17. 17.How many hours are there from 12:00 to 17:00?
  18. 18.A film is 3 hours 5 minutes long. How many minutes is that?
  19. 19.A train leaves at 17:05 and reaches at 18:50. How long is the journey (in minutes)?
  20. 20.Write 8:35 a.m. in 24-hour time. (a) 08:35 (b) 10:35 (c) 20:35
  21. 21.A train leaves at 17:10 and reaches at 19:50. How long is the journey (in minutes)?
  22. 22.How many hours are there from 08:00 to 15:00?
  23. 23.Write 10:40 p.m. in 24-hour time. (a) 22:40 (b) 00:40 (c) 10:40
  24. 24.A match starts at 17:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 22:35 (b) 23:35 (c) 21:35
  25. 25.What is 02:40 in 12-hour time? (a) 2:40 p.m. (b) 4:40 a.m. (c) 2:40 a.m.
  26. 26.A film is 2 hours 30 minutes long. How many minutes is that?
  27. 27.Write 10:25 a.m. in 24-hour time. (a) 22:25 (b) 10:25 (c) 12:25
  28. 28.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 23:20 (c) 11:20
  29. 29.Write 10:45 a.m. in 24-hour time. (a) 12:45 (b) 10:45 (c) 22:45
  30. 30.How many hours are there from 07:00 to 15:00?
  31. 31.How many hours are there from 12:00 to 14:00?
  32. 32.Write 8:15 a.m. in 24-hour time. (a) 08:15 (b) 10:15 (c) 20:15
  33. 33.How many hours are there from 07:00 to 09:00?
  34. 34.A film is 1 hour 25 minutes long. How many minutes is that?
  35. 35.A match starts at 08:20 and lasts 1 hour 40 minutes. At what time does it end? (a) 09:00 (b) 10:00 (c) 11:00
  36. 36.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 a.m. (c) 3:35 p.m.
  37. 37.A film is 4 hours 40 minutes long. How many minutes is that?
  38. 38.What is 15:50 in 12-hour time? (a) 3:50 a.m. (b) 5:50 p.m. (c) 3:50 p.m.
  39. 39.What is 23:35 in 12-hour time? (a) 1:35 p.m. (b) 11:35 p.m. (c) 11:35 a.m.
  40. 40.How many hours are there from 11:00 to 23:00?

Answer key

  1. 23:10
  2. 11
  3. 02:45
  4. 75
  5. 10
  6. 23:50
  7. 85
  8. 245
  9. 55
  10. 4
  11. 12:10
  12. 3:40 p.m.
  13. 6
  14. 11:35
  15. 15
  16. 4
  17. 5
  18. 185
  19. 105
  20. 08:35
  21. 160
  22. 7
  23. 22:40
  24. 22:35
  25. 2:40 a.m.
  26. 150
  27. 10:25
  28. 23:20
  29. 10:45
  30. 8
  31. 2
  32. 08:15
  33. 2
  34. 85
  35. 10:00
  36. 3:35 a.m.
  37. 280
  38. 3:50 p.m.
  39. 11:35 p.m.
  40. 12

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