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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 300 · 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 15 minutes long. How many minutes is that?
  2. 2.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
  3. 3.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 06:10 (c) 18:10
  4. 4.A film is 3 hours 15 minutes long. How many minutes is that?
  5. 5.Write 9:40 a.m. in 24-hour time. (a) 09:40 (b) 11:40 (c) 21:40
  6. 6.A train leaves at 17:00 and reaches at 17:45. How long is the journey (in minutes)?
  7. 7.What is 22:10 in 12-hour time? (a) 12:10 p.m. (b) 10:10 p.m. (c) 10:10 a.m.
  8. 8.A train leaves at 18:50 and reaches at 21:05. How long is the journey (in minutes)?
  9. 9.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 10:50 a.m. (c) 12:50 a.m.
  10. 10.Write 9:35 a.m. in 24-hour time. (a) 11:35 (b) 21:35 (c) 09:35
  11. 11.A film is 3 hours 10 minutes long. How many minutes is that?
  12. 12.Write 7:40 p.m. in 24-hour time. (a) 21:40 (b) 19:40 (c) 07:40
  13. 13.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
  14. 14.A train leaves at 16:15 and reaches at 17:30. How long is the journey (in minutes)?
  15. 15.What is 09:50 in 12-hour time? (a) 9:50 p.m. (b) 9:50 a.m. (c) 11:50 a.m.
  16. 16.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 13:20 (c) 01:20
  17. 17.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 02:35 (c) 14:35
  18. 18.What is 17:05 in 12-hour time? (a) 7:05 p.m. (b) 5:05 a.m. (c) 5:05 p.m.
  19. 19.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 5:00 p.m. (c) 3:00 p.m.
  20. 20.What is 08:25 in 12-hour time? (a) 8:25 a.m. (b) 8:25 p.m. (c) 10:25 a.m.
  21. 21.A train leaves at 13:50 and reaches at 15:00. How long is the journey (in minutes)?
  22. 22.A match starts at 14:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 14:25
  23. 23.How many hours are there from 07:00 to 19:00?
  24. 24.How many hours are there from 11:00 to 23:00?
  25. 25.What is 02:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 a.m. (c) 2:35 a.m.
  26. 26.What is 03:40 in 12-hour time? (a) 5:40 a.m. (b) 3:40 a.m. (c) 3:40 p.m.
  27. 27.Write 3:25 a.m. in 24-hour time. (a) 05:25 (b) 03:25 (c) 15:25
  28. 28.Write 9:15 p.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 23:15
  29. 29.A train leaves at 11:55 and reaches at 13:40. How long is the journey (in minutes)?
  30. 30.A match starts at 14:10 and lasts 2 hours. At what time does it end? (a) 17:10 (b) 16:10 (c) 15:10
  31. 31.A film is 1 hour 25 minutes long. How many minutes is that?
  32. 32.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 11:10 a.m. (c) 1:10 a.m.
  33. 33.How many hours are there from 08:00 to 14:00?
  34. 34.How many hours are there from 06:00 to 14:00?
  35. 35.How many hours are there from 06:00 to 20:00?
  36. 36.A train leaves at 07:45 and reaches at 08:55. How long is the journey (in minutes)?
  37. 37.A train leaves at 10:50 and reaches at 12:20. How long is the journey (in minutes)?
  38. 38.Write 11:30 a.m. in 24-hour time. (a) 13:30 (b) 23:30 (c) 11:30
  39. 39.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 07:50 (c) 17:50
  40. 40.A train leaves at 12:50 and reaches at 14:40. How long is the journey (in minutes)?

Answer key

  1. 75
  2. 10:40 a.m.
  3. 18:10
  4. 195
  5. 09:40
  6. 45
  7. 10:10 p.m.
  8. 135
  9. 10:50 a.m.
  10. 09:35
  11. 190
  12. 19:40
  13. 1:35 a.m.
  14. 75
  15. 9:50 a.m.
  16. 01:20
  17. 02:35
  18. 5:05 p.m.
  19. 3:00 p.m.
  20. 8:25 a.m.
  21. 70
  22. 15:25
  23. 12
  24. 12
  25. 2:35 a.m.
  26. 3:40 a.m.
  27. 03:25
  28. 21:15
  29. 105
  30. 16:10
  31. 85
  32. 11:10 a.m.
  33. 6
  34. 8
  35. 14
  36. 70
  37. 90
  38. 11:30
  39. 05:50
  40. 110

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