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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 795 · 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.How many hours are there from 06:00 to 18:00?
  2. 2.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 a.m. (c) 1:35 p.m.
  3. 3.A match starts at 08:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:40 (b) 11:40 (c) 10:40
  4. 4.A film is 4 hours 15 minutes long. How many minutes is that?
  5. 5.A film is 1 hour 15 minutes long. How many minutes is that?
  6. 6.How many hours are there from 10:00 to 17:00?
  7. 7.A film is 1 hour 50 minutes long. How many minutes is that?
  8. 8.Write 3:15 p.m. in 24-hour time. (a) 15:15 (b) 03:15 (c) 17:15
  9. 9.What is 15:20 in 12-hour time? (a) 3:20 a.m. (b) 3:20 p.m. (c) 5:20 p.m.
  10. 10.A film is 1 hour 30 minutes long. How many minutes is that?
  11. 11.A match starts at 12:10 and lasts 1 hour 40 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
  12. 12.A match starts at 11:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:20 (b) 14:20 (c) 13:20
  13. 13.How many hours are there from 07:00 to 21:00?
  14. 14.Write 10:05 a.m. in 24-hour time. (a) 22:05 (b) 10:05 (c) 12:05
  15. 15.Write 10:25 p.m. in 24-hour time. (a) 22:25 (b) 00:25 (c) 10:25
  16. 16.A film is 4 hours 5 minutes long. How many minutes is that?
  17. 17.Write 11:05 a.m. in 24-hour time. (a) 23:05 (b) 13:05 (c) 11:05
  18. 18.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 23:45
  19. 19.A train leaves at 17:45 and reaches at 19:25. How long is the journey (in minutes)?
  20. 20.A film is 1 hour 45 minutes long. How many minutes is that?
  21. 21.What is 17:55 in 12-hour time? (a) 5:55 a.m. (b) 7:55 p.m. (c) 5:55 p.m.
  22. 22.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 3:30 p.m. (c) 5:30 p.m.
  23. 23.Write 5:55 p.m. in 24-hour time. (a) 17:55 (b) 19:55 (c) 05:55
  24. 24.How many hours are there from 05:00 to 11:00?
  25. 25.How many hours are there from 10:00 to 14:00?
  26. 26.Write 11:45 p.m. in 24-hour time. (a) 01:45 (b) 11:45 (c) 23:45
  27. 27.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 13:05 (c) 01:05
  28. 28.A train leaves at 08:00 and reaches at 09:45. How long is the journey (in minutes)?
  29. 29.Write 2:30 p.m. in 24-hour time. (a) 14:30 (b) 02:30 (c) 16:30
  30. 30.A film is 2 hours 5 minutes long. How many minutes is that?
  31. 31.A match starts at 07:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 10:20 (b) 08:20 (c) 09:20
  32. 32.A match starts at 06:15 and lasts 4 hours 30 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
  33. 33.A film is 1 hour 5 minutes long. How many minutes is that?
  34. 34.A film is 4 hours 45 minutes long. How many minutes is that?
  35. 35.What is 16:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 p.m. (c) 4:10 a.m.
  36. 36.A film is 2 hours 30 minutes long. How many minutes is that?
  37. 37.A match starts at 16:00 and lasts 1 hour. At what time does it end? (a) 17:00 (b) 16:00 (c) 18:00
  38. 38.Write 4:20 a.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 06:20
  39. 39.How many hours are there from 05:00 to 21:00?
  40. 40.What is 05:20 in 12-hour time? (a) 7:20 a.m. (b) 5:20 p.m. (c) 5:20 a.m.

Answer key

  1. 12
  2. 1:35 a.m.
  3. 10:40
  4. 255
  5. 75
  6. 7
  7. 110
  8. 15:15
  9. 3:20 p.m.
  10. 90
  11. 13:50
  12. 13:20
  13. 14
  14. 10:05
  15. 22:25
  16. 245
  17. 11:05
  18. 21:45
  19. 100
  20. 105
  21. 5:55 p.m.
  22. 3:30 p.m.
  23. 17:55
  24. 6
  25. 4
  26. 23:45
  27. 01:05
  28. 105
  29. 14:30
  30. 125
  31. 09:20
  32. 10:45
  33. 65
  34. 285
  35. 4:10 p.m.
  36. 150
  37. 17:00
  38. 04:20
  39. 16
  40. 5:20 a.m.

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