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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 311 · 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 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
  2. 2.How many hours are there from 10:00 to 13:00?
  3. 3.A match starts at 13:30 and lasts 1 hour 55 minutes. At what time does it end? (a) 15:25 (b) 14:25 (c) 16:25
  4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
  5. 5.A train leaves at 17:45 and reaches at 19:05. How long is the journey (in minutes)?
  6. 6.A match starts at 07:25 and lasts 4 hours 50 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 13:15
  7. 7.A film is 1 hour 50 minutes long. How many minutes is that?
  8. 8.A film is 2 hours 25 minutes long. How many minutes is that?
  9. 9.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 10:05 (c) 08:05
  10. 10.How many hours are there from 05:00 to 16:00?
  11. 11.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 04:25 (c) 14:25
  12. 12.A match starts at 17:10 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:40 (b) 20:40 (c) 19:40
  13. 13.Write 7:50 a.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 09:50
  14. 14.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
  15. 15.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 23:45 (c) 09:45
  16. 16.What is 22:05 in 12-hour time? (a) 10:05 a.m. (b) 12:05 p.m. (c) 10:05 p.m.
  17. 17.A film is 2 hours 40 minutes long. How many minutes is that?
  18. 18.A film is 4 hours 40 minutes long. How many minutes is that?
  19. 19.Write 7:25 a.m. in 24-hour time. (a) 09:25 (b) 19:25 (c) 07:25
  20. 20.What is 06:20 in 12-hour time? (a) 6:20 a.m. (b) 8:20 a.m. (c) 6:20 p.m.
  21. 21.How many hours are there from 08:00 to 16:00?
  22. 22.A film is 2 hours 50 minutes long. How many minutes is that?
  23. 23.A train leaves at 10:30 and reaches at 11:20. How long is the journey (in minutes)?
  24. 24.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 p.m. (c) 3:00 a.m.
  25. 25.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 a.m. (c) 10:55 p.m.
  26. 26.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 p.m. (c) 8:25 a.m.
  27. 27.How many hours are there from 10:00 to 15:00?
  28. 28.A film is 3 hours 25 minutes long. How many minutes is that?
  29. 29.Write 4:00 p.m. in 24-hour time. (a) 16:00 (b) 18:00 (c) 04:00
  30. 30.A film is 1 hour 40 minutes long. How many minutes is that?
  31. 31.A film is 2 hours 10 minutes long. How many minutes is that?
  32. 32.A train leaves at 07:00 and reaches at 07:55. How long is the journey (in minutes)?
  33. 33.How many hours are there from 12:00 to 14:00?
  34. 34.A film is 1 hour 5 minutes long. How many minutes is that?
  35. 35.How many hours are there from 10:00 to 19:00?
  36. 36.A film is 1 hour 10 minutes long. How many minutes is that?
  37. 37.How many hours are there from 10:00 to 18:00?
  38. 38.Write 6:30 a.m. in 24-hour time. (a) 08:30 (b) 06:30 (c) 18:30
  39. 39.A match starts at 10:35 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:15 (b) 13:15 (c) 14:15
  40. 40.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 9:40 p.m. (c) 7:40 p.m.

Answer key

  1. 09:05
  2. 3
  3. 15:25
  4. 185
  5. 80
  6. 12:15
  7. 110
  8. 145
  9. 08:05
  10. 11
  11. 02:25
  12. 20:40
  13. 07:50
  14. 20:35
  15. 21:45
  16. 10:05 p.m.
  17. 160
  18. 280
  19. 07:25
  20. 6:20 a.m.
  21. 8
  22. 170
  23. 50
  24. 3:00 a.m.
  25. 10:55 p.m.
  26. 8:25 p.m.
  27. 5
  28. 205
  29. 16:00
  30. 100
  31. 130
  32. 55
  33. 2
  34. 65
  35. 9
  36. 70
  37. 8
  38. 06:30
  39. 13:15
  40. 7:40 p.m.

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