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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 455 · 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 1 hour 55 minutes long. How many minutes is that?
  2. 2.A match starts at 08:05 and lasts 3 hours 10 minutes. At what time does it end? (a) 12:15 (b) 10:15 (c) 11:15
  3. 3.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 07:15 (c) 17:15
  4. 4.What is 15:20 in 12-hour time? (a) 5:20 p.m. (b) 3:20 a.m. (c) 3:20 p.m.
  5. 5.What is 03:45 in 12-hour time? (a) 5:45 a.m. (b) 3:45 p.m. (c) 3:45 a.m.
  6. 6.What is 03:30 in 12-hour time? (a) 5:30 a.m. (b) 3:30 p.m. (c) 3:30 a.m.
  7. 7.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 13:10
  8. 8.Write 1:40 a.m. in 24-hour time. (a) 13:40 (b) 01:40 (c) 03:40
  9. 9.What is 11:25 in 12-hour time? (a) 1:25 a.m. (b) 11:25 p.m. (c) 11:25 a.m.
  10. 10.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 a.m.
  11. 11.Write 11:55 p.m. in 24-hour time. (a) 11:55 (b) 01:55 (c) 23:55
  12. 12.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 p.m. (c) 1:55 a.m.
  13. 13.How many hours are there from 05:00 to 15:00?
  14. 14.A train leaves at 07:10 and reaches at 07:45. How long is the journey (in minutes)?
  15. 15.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 04:25 (c) 14:25
  16. 16.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 07:10
  17. 17.A train leaves at 06:05 and reaches at 09:25. How long is the journey (in minutes)?
  18. 18.How many hours are there from 08:00 to 18:00?
  19. 19.A train leaves at 08:35 and reaches at 11:25. How long is the journey (in minutes)?
  20. 20.A film is 1 hour 25 minutes long. How many minutes is that?
  21. 21.What is 09:20 in 12-hour time? (a) 9:20 p.m. (b) 9:20 a.m. (c) 11:20 a.m.
  22. 22.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 p.m.
  23. 23.What is 09:55 in 12-hour time? (a) 9:55 a.m. (b) 9:55 p.m. (c) 11:55 a.m.
  24. 24.What is 17:55 in 12-hour time? (a) 5:55 a.m. (b) 7:55 p.m. (c) 5:55 p.m.
  25. 25.What is 23:30 in 12-hour time? (a) 11:30 p.m. (b) 1:30 p.m. (c) 11:30 a.m.
  26. 26.Write 11:20 a.m. in 24-hour time. (a) 13:20 (b) 23:20 (c) 11:20
  27. 27.Write 8:35 a.m. in 24-hour time. (a) 08:35 (b) 10:35 (c) 20:35
  28. 28.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 a.m. (c) 2:25 p.m.
  29. 29.A film is 4 hours 25 minutes long. How many minutes is that?
  30. 30.What is 16:20 in 12-hour time? (a) 6:20 p.m. (b) 4:20 a.m. (c) 4:20 p.m.
  31. 31.Write 8:20 p.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 22:20
  32. 32.A train leaves at 18:00 and reaches at 20:10. How long is the journey (in minutes)?
  33. 33.A match starts at 10:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 13:40 (b) 11:40 (c) 12:40
  34. 34.Write 8:55 p.m. in 24-hour time. (a) 22:55 (b) 08:55 (c) 20:55
  35. 35.How many hours are there from 05:00 to 08:00?
  36. 36.Write 6:40 p.m. in 24-hour time. (a) 20:40 (b) 18:40 (c) 06:40
  37. 37.What is 08:45 in 12-hour time? (a) 10:45 a.m. (b) 8:45 a.m. (c) 8:45 p.m.
  38. 38.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 14:25 (c) 02:25
  39. 39.How many hours are there from 09:00 to 12:00?
  40. 40.A match starts at 07:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:10 (b) 09:10 (c) 08:10

Answer key

  1. 115
  2. 11:15
  3. 05:15
  4. 3:20 p.m.
  5. 3:45 a.m.
  6. 3:30 a.m.
  7. 11:10
  8. 01:40
  9. 11:25 a.m.
  10. 8:55 a.m.
  11. 23:55
  12. 1:55 a.m.
  13. 10
  14. 35
  15. 02:25
  16. 05:10
  17. 200
  18. 10
  19. 170
  20. 85
  21. 9:20 a.m.
  22. 1:15 p.m.
  23. 9:55 a.m.
  24. 5:55 p.m.
  25. 11:30 p.m.
  26. 11:20
  27. 08:35
  28. 2:25 a.m.
  29. 265
  30. 4:20 p.m.
  31. 20:20
  32. 130
  33. 12:40
  34. 20:55
  35. 3
  36. 18:40
  37. 8:45 a.m.
  38. 14:25
  39. 3
  40. 08:10

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