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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 872 · 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 11:20 a.m. in 24-hour time. (a) 13:20 (b) 23:20 (c) 11:20
  2. 2.A train leaves at 18:05 and reaches at 18:55. How long is the journey (in minutes)?
  3. 3.A train leaves at 10:10 and reaches at 11:20. How long is the journey (in minutes)?
  4. 4.A film is 4 hours 20 minutes long. How many minutes is that?
  5. 5.A train leaves at 13:45 and reaches at 15:00. How long is the journey (in minutes)?
  6. 6.A match starts at 14:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 15:40
  7. 7.Write 2:00 p.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 16:00
  8. 8.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 1:45 a.m. (c) 3:45 a.m.
  9. 9.A film is 3 hours 35 minutes long. How many minutes is that?
  10. 10.A train leaves at 19:35 and reaches at 20:20. How long is the journey (in minutes)?
  11. 11.How many hours are there from 11:00 to 23:00?
  12. 12.A film is 3 hours 55 minutes long. How many minutes is that?
  13. 13.What is 08:35 in 12-hour time? (a) 8:35 a.m. (b) 10:35 a.m. (c) 8:35 p.m.
  14. 14.How many hours are there from 08:00 to 12:00?
  15. 15.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 19:05
  16. 16.A match starts at 12:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:50 (b) 13:50 (c) 14:50
  17. 17.What is 16:30 in 12-hour time? (a) 4:30 a.m. (b) 4:30 p.m. (c) 6:30 p.m.
  18. 18.A train leaves at 16:35 and reaches at 19:10. How long is the journey (in minutes)?
  19. 19.A train leaves at 18:15 and reaches at 18:55. How long is the journey (in minutes)?
  20. 20.How many hours are there from 08:00 to 19:00?
  21. 21.What is 14:00 in 12-hour time? (a) 4:00 p.m. (b) 2:00 a.m. (c) 2:00 p.m.
  22. 22.What is 21:15 in 12-hour time? (a) 11:15 p.m. (b) 9:15 p.m. (c) 9:15 a.m.
  23. 23.A match starts at 06:15 and lasts 1 hour 40 minutes. At what time does it end? (a) 07:55 (b) 06:55 (c) 08:55
  24. 24.What is 20:40 in 12-hour time? (a) 10:40 p.m. (b) 8:40 a.m. (c) 8:40 p.m.
  25. 25.How many hours are there from 09:00 to 14:00?
  26. 26.How many hours are there from 06:00 to 18:00?
  27. 27.Write 5:55 a.m. in 24-hour time. (a) 07:55 (b) 17:55 (c) 05:55
  28. 28.How many hours are there from 07:00 to 11:00?
  29. 29.How many hours are there from 11:00 to 22:00?
  30. 30.How many hours are there from 06:00 to 08:00?
  31. 31.What is 19:50 in 12-hour time? (a) 7:50 a.m. (b) 7:50 p.m. (c) 9:50 p.m.
  32. 32.A match starts at 09:40 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
  33. 33.A match starts at 15:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:20 (b) 16:20 (c) 15:20
  34. 34.How many hours are there from 06:00 to 23:00?
  35. 35.Write 3:10 a.m. in 24-hour time. (a) 03:10 (b) 05:10 (c) 15:10
  36. 36.How many hours are there from 10:00 to 18:00?
  37. 37.A film is 4 hours 35 minutes long. How many minutes is that?
  38. 38.How many hours are there from 05:00 to 07:00?
  39. 39.A film is 4 hours 45 minutes long. How many minutes is that?
  40. 40.A film is 1 hour 10 minutes long. How many minutes is that?

Answer key

  1. 11:20
  2. 50
  3. 70
  4. 260
  5. 75
  6. 16:40
  7. 14:00
  8. 1:45 a.m.
  9. 215
  10. 45
  11. 12
  12. 235
  13. 8:35 a.m.
  14. 4
  15. 17:05
  16. 13:50
  17. 4:30 p.m.
  18. 155
  19. 40
  20. 11
  21. 2:00 p.m.
  22. 9:15 p.m.
  23. 07:55
  24. 8:40 p.m.
  25. 5
  26. 12
  27. 05:55
  28. 4
  29. 11
  30. 2
  31. 7:50 p.m.
  32. 13:50
  33. 16:20
  34. 17
  35. 03:10
  36. 8
  37. 275
  38. 2
  39. 285
  40. 70

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