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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 371 · 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 6:45 a.m. in 24-hour time. (a) 18:45 (b) 08:45 (c) 06:45
  2. 2.How many hours are there from 11:00 to 18:00?
  3. 3.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 a.m. (c) 7:00 p.m.
  4. 4.A match starts at 10:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 11:10
  5. 5.A train leaves at 08:15 and reaches at 09:25. How long is the journey (in minutes)?
  6. 6.How many hours are there from 09:00 to 18:00?
  7. 7.What is 06:25 in 12-hour time? (a) 6:25 a.m. (b) 8:25 a.m. (c) 6:25 p.m.
  8. 8.What is 11:00 in 12-hour time? (a) 11:00 p.m. (b) 11:00 a.m. (c) 1:00 a.m.
  9. 9.A film is 1 hour 45 minutes long. How many minutes is that?
  10. 10.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 p.m.
  11. 11.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 01:30 (c) 13:30
  12. 12.Write 11:35 p.m. in 24-hour time. (a) 11:35 (b) 01:35 (c) 23:35
  13. 13.Write 10:25 a.m. in 24-hour time. (a) 12:25 (b) 22:25 (c) 10:25
  14. 14.A film is 2 hours 10 minutes long. How many minutes is that?
  15. 15.A film is 2 hours 35 minutes long. How many minutes is that?
  16. 16.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
  17. 17.A match starts at 12:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 18:35 (b) 17:35 (c) 16:35
  18. 18.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 a.m.
  19. 19.A train leaves at 07:10 and reaches at 08:40. How long is the journey (in minutes)?
  20. 20.A train leaves at 15:35 and reaches at 16:10. How long is the journey (in minutes)?
  21. 21.What is 04:05 in 12-hour time? (a) 4:05 p.m. (b) 4:05 a.m. (c) 6:05 a.m.
  22. 22.How many hours are there from 08:00 to 11:00?
  23. 23.What is 20:40 in 12-hour time? (a) 8:40 p.m. (b) 10:40 p.m. (c) 8:40 a.m.
  24. 24.A film is 1 hour 40 minutes long. How many minutes is that?
  25. 25.What is 09:55 in 12-hour time? (a) 9:55 a.m. (b) 11:55 a.m. (c) 9:55 p.m.
  26. 26.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
  27. 27.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 p.m. (c) 6:30 a.m.
  28. 28.A film is 4 hours 25 minutes long. How many minutes is that?
  29. 29.A match starts at 06:45 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:40 (b) 08:40 (c) 07:40
  30. 30.How many hours are there from 08:00 to 18:00?
  31. 31.A train leaves at 12:20 and reaches at 14:55. How long is the journey (in minutes)?
  32. 32.What is 21:45 in 12-hour time? (a) 11:45 p.m. (b) 9:45 p.m. (c) 9:45 a.m.
  33. 33.Write 2:45 a.m. in 24-hour time. (a) 04:45 (b) 14:45 (c) 02:45
  34. 34.A film is 1 hour 55 minutes long. How many minutes is that?
  35. 35.A film is 4 hours 55 minutes long. How many minutes is that?
  36. 36.How many hours are there from 12:00 to 22:00?
  37. 37.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 17:15 (c) 15:15
  38. 38.A film is 3 hours 50 minutes long. How many minutes is that?
  39. 39.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
  40. 40.A train leaves at 16:50 and reaches at 19:15. How long is the journey (in minutes)?

Answer key

  1. 06:45
  2. 7
  3. 7:00 a.m.
  4. 12:10
  5. 70
  6. 9
  7. 6:25 a.m.
  8. 11:00 a.m.
  9. 105
  10. 2:25 p.m.
  11. 13:30
  12. 23:35
  13. 10:25
  14. 130
  15. 155
  16. 17:05
  17. 17:35
  18. 10:15 a.m.
  19. 90
  20. 35
  21. 4:05 a.m.
  22. 3
  23. 8:40 p.m.
  24. 100
  25. 9:55 a.m.
  26. 14:55
  27. 6:30 a.m.
  28. 265
  29. 08:40
  30. 10
  31. 155
  32. 9:45 p.m.
  33. 02:45
  34. 115
  35. 295
  36. 10
  37. 15:15
  38. 230
  39. 02:00
  40. 145

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