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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 835 · 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 10:00 to 14:00?
  2. 2.A film is 1 hour 5 minutes long. How many minutes is that?
  3. 3.A train leaves at 12:25 and reaches at 14:45. How long is the journey (in minutes)?
  4. 4.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 07:15
  5. 5.How many hours are there from 08:00 to 14:00?
  6. 6.Write 10:20 a.m. in 24-hour time. (a) 12:20 (b) 10:20 (c) 22:20
  7. 7.A film is 3 hours 15 minutes long. How many minutes is that?
  8. 8.A film is 3 hours 45 minutes long. How many minutes is that?
  9. 9.Write 4:10 p.m. in 24-hour time. (a) 16:10 (b) 04:10 (c) 18:10
  10. 10.What is 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 p.m. (c) 1:45 a.m.
  11. 11.A match starts at 08:00 and lasts 2 hours 55 minutes. At what time does it end? (a) 09:55 (b) 11:55 (c) 10:55
  12. 12.What is 06:15 in 12-hour time? (a) 8:15 a.m. (b) 6:15 p.m. (c) 6:15 a.m.
  13. 13.What is 11:05 in 12-hour time? (a) 11:05 a.m. (b) 11:05 p.m. (c) 1:05 a.m.
  14. 14.Write 6:50 p.m. in 24-hour time. (a) 20:50 (b) 18:50 (c) 06:50
  15. 15.How many hours are there from 11:00 to 14:00?
  16. 16.What is 22:50 in 12-hour time? (a) 12:50 p.m. (b) 10:50 a.m. (c) 10:50 p.m.
  17. 17.A train leaves at 13:15 and reaches at 15:25. How long is the journey (in minutes)?
  18. 18.A film is 4 hours 40 minutes long. How many minutes is that?
  19. 19.A film is 2 hours 55 minutes long. How many minutes is that?
  20. 20.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 p.m. (c) 2:35 a.m.
  21. 21.A match starts at 16:35 and lasts 2 hours 55 minutes. At what time does it end? (a) 20:30 (b) 18:30 (c) 19:30
  22. 22.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 a.m. (c) 9:30 p.m.
  23. 23.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
  24. 24.A film is 3 hours 35 minutes long. How many minutes is that?
  25. 25.A train leaves at 06:05 and reaches at 07:35. How long is the journey (in minutes)?
  26. 26.A film is 2 hours 5 minutes long. How many minutes is that?
  27. 27.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 05:55
  28. 28.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 a.m. (c) 7:00 p.m.
  29. 29.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 06:40 (c) 08:40
  30. 30.A train leaves at 08:00 and reaches at 09:55. How long is the journey (in minutes)?
  31. 31.A film is 3 hours 50 minutes long. How many minutes is that?
  32. 32.Write 11:55 a.m. in 24-hour time. (a) 23:55 (b) 13:55 (c) 11:55
  33. 33.Write 8:50 p.m. in 24-hour time. (a) 22:50 (b) 20:50 (c) 08:50
  34. 34.What is 22:00 in 12-hour time? (a) 12:00 p.m. (b) 10:00 p.m. (c) 10:00 a.m.
  35. 35.Write 4:30 a.m. in 24-hour time. (a) 04:30 (b) 16:30 (c) 06:30
  36. 36.A train leaves at 10:15 and reaches at 11:40. How long is the journey (in minutes)?
  37. 37.Write 7:45 a.m. in 24-hour time. (a) 19:45 (b) 09:45 (c) 07:45
  38. 38.What is 10:45 in 12-hour time? (a) 10:45 a.m. (b) 10:45 p.m. (c) 12:45 a.m.
  39. 39.A film is 2 hours 25 minutes long. How many minutes is that?
  40. 40.A film is 1 hour 20 minutes long. How many minutes is that?

Answer key

  1. 4
  2. 65
  3. 140
  4. 05:15
  5. 6
  6. 10:20
  7. 195
  8. 225
  9. 16:10
  10. 1:45 a.m.
  11. 10:55
  12. 6:15 a.m.
  13. 11:05 a.m.
  14. 18:50
  15. 3
  16. 10:50 p.m.
  17. 130
  18. 280
  19. 175
  20. 2:35 a.m.
  21. 19:30
  22. 9:30 p.m.
  23. 1:10 p.m.
  24. 215
  25. 90
  26. 125
  27. 03:55
  28. 7:00 a.m.
  29. 06:40
  30. 115
  31. 230
  32. 11:55
  33. 20:50
  34. 10:00 p.m.
  35. 04:30
  36. 85
  37. 07:45
  38. 10:45 a.m.
  39. 145
  40. 80

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