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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 439 · 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 30 minutes long. How many minutes is that?
  2. 2.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 p.m.
  3. 3.A film is 2 hours 35 minutes long. How many minutes is that?
  4. 4.A match starts at 10:00 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 15:10
  5. 5.A match starts at 12:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 15:20 (b) 13:20 (c) 14:20
  6. 6.A film is 1 hour 20 minutes long. How many minutes is that?
  7. 7.A match starts at 15:55 and lasts 2 hours. At what time does it end? (a) 17:55 (b) 16:55 (c) 18:55
  8. 8.Write 11:40 p.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 01:40
  9. 9.Write 9:30 a.m. in 24-hour time. (a) 21:30 (b) 11:30 (c) 09:30
  10. 10.How many hours are there from 08:00 to 19:00?
  11. 11.How many hours are there from 06:00 to 21:00?
  12. 12.A match starts at 11:40 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:20 (b) 17:20 (c) 15:20
  13. 13.Write 9:30 p.m. in 24-hour time. (a) 23:30 (b) 21:30 (c) 09:30
  14. 14.Write 2:40 p.m. in 24-hour time. (a) 14:40 (b) 16:40 (c) 02:40
  15. 15.Write 9:25 a.m. in 24-hour time. (a) 09:25 (b) 11:25 (c) 21:25
  16. 16.What is 10:20 in 12-hour time? (a) 10:20 p.m. (b) 10:20 a.m. (c) 12:20 a.m.
  17. 17.Write 3:30 p.m. in 24-hour time. (a) 03:30 (b) 17:30 (c) 15:30
  18. 18.What is 17:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 p.m. (c) 5:30 a.m.
  19. 19.Write 11:20 a.m. in 24-hour time. (a) 11:20 (b) 13:20 (c) 23:20
  20. 20.Write 4:30 a.m. in 24-hour time. (a) 04:30 (b) 16:30 (c) 06:30
  21. 21.What is 07:20 in 12-hour time? (a) 7:20 a.m. (b) 9:20 a.m. (c) 7:20 p.m.
  22. 22.A film is 1 hour 50 minutes long. How many minutes is that?
  23. 23.A train leaves at 09:00 and reaches at 12:10. How long is the journey (in minutes)?
  24. 24.How many hours are there from 07:00 to 15:00?
  25. 25.A train leaves at 17:40 and reaches at 18:25. How long is the journey (in minutes)?
  26. 26.What is 10:40 in 12-hour time? (a) 12:40 a.m. (b) 10:40 a.m. (c) 10:40 p.m.
  27. 27.A match starts at 07:25 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:00 (b) 10:00 (c) 08:00
  28. 28.Write 5:45 a.m. in 24-hour time. (a) 17:45 (b) 07:45 (c) 05:45
  29. 29.A train leaves at 09:50 and reaches at 12:15. How long is the journey (in minutes)?
  30. 30.A train leaves at 09:05 and reaches at 11:05. How long is the journey (in minutes)?
  31. 31.Write 6:20 a.m. in 24-hour time. (a) 06:20 (b) 18:20 (c) 08:20
  32. 32.Write 11:50 p.m. in 24-hour time. (a) 01:50 (b) 11:50 (c) 23:50
  33. 33.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 p.m. (c) 5:35 a.m.
  34. 34.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 04:10 (c) 16:10
  35. 35.A match starts at 15:30 and lasts 3 hours. At what time does it end? (a) 18:30 (b) 17:30 (c) 19:30
  36. 36.A match starts at 14:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 16:30 (b) 18:30 (c) 17:30
  37. 37.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 00:10
  38. 38.A train leaves at 15:25 and reaches at 18:15. How long is the journey (in minutes)?
  39. 39.A match starts at 07:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 08:10 (b) 10:10 (c) 09:10
  40. 40.A match starts at 15:35 and lasts 1 hour 55 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 16:30

Answer key

  1. 270
  2. 10:45 p.m.
  3. 155
  4. 14:10
  5. 14:20
  6. 80
  7. 17:55
  8. 23:40
  9. 09:30
  10. 11
  11. 15
  12. 16:20
  13. 21:30
  14. 14:40
  15. 09:25
  16. 10:20 a.m.
  17. 15:30
  18. 5:30 p.m.
  19. 11:20
  20. 04:30
  21. 7:20 a.m.
  22. 110
  23. 190
  24. 8
  25. 45
  26. 10:40 a.m.
  27. 09:00
  28. 05:45
  29. 145
  30. 120
  31. 06:20
  32. 23:50
  33. 5:35 a.m.
  34. 04:10
  35. 18:30
  36. 17:30
  37. 22:10
  38. 170
  39. 09:10
  40. 17:30

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