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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 652 · 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 20 minutes long. How many minutes is that?
  2. 2.What is 01:55 in 12-hour time? (a) 1:55 a.m. (b) 1:55 p.m. (c) 3:55 a.m.
  3. 3.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 13:50
  4. 4.A film is 2 hours 50 minutes long. How many minutes is that?
  5. 5.A match starts at 14:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:45 (b) 19:45 (c) 17:45
  6. 6.A train leaves at 11:35 and reaches at 12:20. How long is the journey (in minutes)?
  7. 7.How many hours are there from 06:00 to 08:00?
  8. 8.Write 6:40 p.m. in 24-hour time. (a) 20:40 (b) 06:40 (c) 18:40
  9. 9.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 1:15 a.m. (c) 11:15 a.m.
  10. 10.A train leaves at 06:30 and reaches at 09:30. How long is the journey (in minutes)?
  11. 11.How many hours are there from 10:00 to 12:00?
  12. 12.What is 20:45 in 12-hour time? (a) 8:45 a.m. (b) 8:45 p.m. (c) 10:45 p.m.
  13. 13.A match starts at 12:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 16:35 (b) 15:35 (c) 14:35
  14. 14.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 10:35 a.m. (c) 12:35 a.m.
  15. 15.A film is 3 hours 25 minutes long. How many minutes is that?
  16. 16.How many hours are there from 06:00 to 12:00?
  17. 17.A film is 2 hours 55 minutes long. How many minutes is that?
  18. 18.A train leaves at 09:20 and reaches at 12:25. How long is the journey (in minutes)?
  19. 19.Write 4:15 p.m. in 24-hour time. (a) 18:15 (b) 16:15 (c) 04:15
  20. 20.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 02:20 (c) 14:20
  21. 21.How many hours are there from 05:00 to 08:00?
  22. 22.A film is 4 hours 30 minutes long. How many minutes is that?
  23. 23.What is 14:40 in 12-hour time? (a) 2:40 p.m. (b) 4:40 p.m. (c) 2:40 a.m.
  24. 24.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 13:45 (c) 11:45
  25. 25.Write 11:25 p.m. in 24-hour time. (a) 01:25 (b) 11:25 (c) 23:25
  26. 26.A train leaves at 11:20 and reaches at 13:40. How long is the journey (in minutes)?
  27. 27.A train leaves at 06:20 and reaches at 08:55. How long is the journey (in minutes)?
  28. 28.How many hours are there from 12:00 to 15:00?
  29. 29.How many hours are there from 08:00 to 16:00?
  30. 30.What is 03:45 in 12-hour time? (a) 3:45 p.m. (b) 3:45 a.m. (c) 5:45 a.m.
  31. 31.A match starts at 14:10 and lasts 4 hours. At what time does it end? (a) 19:10 (b) 18:10 (c) 17:10
  32. 32.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 05:15
  33. 33.A film is 3 hours 55 minutes long. How many minutes is that?
  34. 34.How many hours are there from 10:00 to 21:00?
  35. 35.A film is 1 hour 5 minutes long. How many minutes is that?
  36. 36.How many hours are there from 11:00 to 22:00?
  37. 37.A film is 1 hour 10 minutes long. How many minutes is that?
  38. 38.How many hours are there from 05:00 to 11:00?
  39. 39.A match starts at 18:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 21:15 (b) 19:15 (c) 20:15
  40. 40.How many hours are there from 05:00 to 09:00?

Answer key

  1. 260
  2. 1:55 a.m.
  3. 11:50
  4. 170
  5. 18:45
  6. 45
  7. 2
  8. 18:40
  9. 11:15 a.m.
  10. 180
  11. 2
  12. 8:45 p.m.
  13. 15:35
  14. 10:35 a.m.
  15. 205
  16. 6
  17. 175
  18. 185
  19. 16:15
  20. 02:20
  21. 3
  22. 270
  23. 2:40 p.m.
  24. 11:45
  25. 23:25
  26. 140
  27. 155
  28. 3
  29. 8
  30. 3:45 a.m.
  31. 18:10
  32. 03:15
  33. 235
  34. 11
  35. 65
  36. 11
  37. 70
  38. 6
  39. 20:15
  40. 4

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