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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 112 · 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 train leaves at 08:45 and reaches at 10:30. How long is the journey (in minutes)?
  2. 2.Write 6:45 p.m. in 24-hour time. (a) 20:45 (b) 18:45 (c) 06:45
  3. 3.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 21:05 (c) 09:05
  4. 4.What is 03:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 a.m. (c) 3:25 p.m.
  5. 5.A match starts at 13:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 18:15 (b) 16:15 (c) 17:15
  6. 6.Write 9:20 a.m. in 24-hour time. (a) 21:20 (b) 11:20 (c) 09:20
  7. 7.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 10:10 (c) 22:10
  8. 8.What is 07:45 in 12-hour time? (a) 7:45 a.m. (b) 7:45 p.m. (c) 9:45 a.m.
  9. 9.Write 10:35 a.m. in 24-hour time. (a) 22:35 (b) 10:35 (c) 12:35
  10. 10.Write 4:45 p.m. in 24-hour time. (a) 16:45 (b) 18:45 (c) 04:45
  11. 11.How many hours are there from 08:00 to 16:00?
  12. 12.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 04:25
  13. 13.A film is 3 hours 20 minutes long. How many minutes is that?
  14. 14.A train leaves at 12:10 and reaches at 13:20. How long is the journey (in minutes)?
  15. 15.Write 8:55 p.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 22:55
  16. 16.A train leaves at 07:10 and reaches at 07:40. How long is the journey (in minutes)?
  17. 17.How many hours are there from 12:00 to 17:00?
  18. 18.A train leaves at 10:05 and reaches at 12:10. How long is the journey (in minutes)?
  19. 19.What is 20:10 in 12-hour time? (a) 10:10 p.m. (b) 8:10 p.m. (c) 8:10 a.m.
  20. 20.A match starts at 10:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 13:20 (b) 11:20 (c) 12:20
  21. 21.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 13:50
  22. 22.What is 15:20 in 12-hour time? (a) 3:20 a.m. (b) 3:20 p.m. (c) 5:20 p.m.
  23. 23.A match starts at 09:10 and lasts 1 hour. At what time does it end? (a) 11:10 (b) 09:10 (c) 10:10
  24. 24.How many hours are there from 12:00 to 22:00?
  25. 25.What is 18:10 in 12-hour time? (a) 6:10 a.m. (b) 6:10 p.m. (c) 8:10 p.m.
  26. 26.How many hours are there from 06:00 to 21:00?
  27. 27.What is 08:10 in 12-hour time? (a) 8:10 a.m. (b) 10:10 a.m. (c) 8:10 p.m.
  28. 28.What is 10:20 in 12-hour time? (a) 10:20 p.m. (b) 12:20 a.m. (c) 10:20 a.m.
  29. 29.A film is 2 hours 20 minutes long. How many minutes is that?
  30. 30.How many hours are there from 12:00 to 15:00?
  31. 31.Write 3:25 a.m. in 24-hour time. (a) 05:25 (b) 03:25 (c) 15:25
  32. 32.A film is 4 hours 45 minutes long. How many minutes is that?
  33. 33.A film is 3 hours 40 minutes long. How many minutes is that?
  34. 34.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
  35. 35.A film is 2 hours 5 minutes long. How many minutes is that?
  36. 36.A match starts at 09:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:25 (b) 13:25 (c) 14:25
  37. 37.A train leaves at 12:50 and reaches at 15:10. How long is the journey (in minutes)?
  38. 38.A match starts at 06:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 09:45 (b) 07:45 (c) 08:45
  39. 39.A train leaves at 13:10 and reaches at 15:35. How long is the journey (in minutes)?
  40. 40.What is 09:15 in 12-hour time? (a) 9:15 a.m. (b) 9:15 p.m. (c) 11:15 a.m.

Answer key

  1. 105
  2. 18:45
  3. 09:05
  4. 3:25 a.m.
  5. 17:15
  6. 09:20
  7. 10:10
  8. 7:45 a.m.
  9. 10:35
  10. 16:45
  11. 8
  12. 02:25
  13. 200
  14. 70
  15. 20:55
  16. 30
  17. 5
  18. 125
  19. 8:10 p.m.
  20. 12:20
  21. 11:50
  22. 3:20 p.m.
  23. 10:10
  24. 10
  25. 6:10 p.m.
  26. 15
  27. 8:10 a.m.
  28. 10:20 a.m.
  29. 140
  30. 3
  31. 03:25
  32. 285
  33. 220
  34. 02:35
  35. 125
  36. 13:25
  37. 140
  38. 08:45
  39. 145
  40. 9:15 a.m.

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