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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 277 · 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 13:10 and reaches at 14:10. How long is the journey (in minutes)?
  2. 2.A train leaves at 13:40 and reaches at 14:10. How long is the journey (in minutes)?
  3. 3.How many hours are there from 06:00 to 21:00?
  4. 4.How many hours are there from 06:00 to 20:00?
  5. 5.What is 20:30 in 12-hour time? (a) 10:30 p.m. (b) 8:30 a.m. (c) 8:30 p.m.
  6. 6.A match starts at 17:35 and lasts 4 hours 40 minutes. At what time does it end? (a) 23:15 (b) 22:15 (c) 21:15
  7. 7.A match starts at 06:50 and lasts 3 hours 35 minutes. At what time does it end? (a) 09:25 (b) 11:25 (c) 10:25
  8. 8.Write 10:35 p.m. in 24-hour time. (a) 10:35 (b) 22:35 (c) 00:35
  9. 9.Write 4:00 p.m. in 24-hour time. (a) 04:00 (b) 18:00 (c) 16:00
  10. 10.What is 05:20 in 12-hour time? (a) 7:20 a.m. (b) 5:20 p.m. (c) 5:20 a.m.
  11. 11.A film is 3 hours 45 minutes long. How many minutes is that?
  12. 12.A film is 4 hours 5 minutes long. How many minutes is that?
  13. 13.A match starts at 06:00 and lasts 4 hours 40 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 11:40
  14. 14.A match starts at 09:05 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
  15. 15.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 23:45
  16. 16.A film is 3 hours 5 minutes long. How many minutes is that?
  17. 17.What is 21:15 in 12-hour time? (a) 9:15 p.m. (b) 9:15 a.m. (c) 11:15 p.m.
  18. 18.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 11:45 a.m. (c) 9:45 a.m.
  19. 19.How many hours are there from 05:00 to 10:00?
  20. 20.Write 9:50 a.m. in 24-hour time. (a) 21:50 (b) 11:50 (c) 09:50
  21. 21.What is 22:30 in 12-hour time? (a) 10:30 p.m. (b) 10:30 a.m. (c) 12:30 p.m.
  22. 22.A film is 2 hours 45 minutes long. How many minutes is that?
  23. 23.How many hours are there from 06:00 to 13:00?
  24. 24.Write 5:30 p.m. in 24-hour time. (a) 19:30 (b) 17:30 (c) 05:30
  25. 25.A train leaves at 18:15 and reaches at 18:45. How long is the journey (in minutes)?
  26. 26.How many hours are there from 09:00 to 20:00?
  27. 27.How many hours are there from 07:00 to 13:00?
  28. 28.What is 06:45 in 12-hour time? (a) 6:45 a.m. (b) 8:45 a.m. (c) 6:45 p.m.
  29. 29.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
  30. 30.Write 3:40 a.m. in 24-hour time. (a) 05:40 (b) 15:40 (c) 03:40
  31. 31.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 19:05
  32. 32.Write 9:20 a.m. in 24-hour time. (a) 11:20 (b) 21:20 (c) 09:20
  33. 33.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 a.m. (c) 10:15 p.m.
  34. 34.Write 4:35 p.m. in 24-hour time. (a) 18:35 (b) 04:35 (c) 16:35
  35. 35.A match starts at 15:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 17:55
  36. 36.A film is 2 hours 5 minutes long. How many minutes is that?
  37. 37.A match starts at 06:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:00 (b) 09:00 (c) 07:00
  38. 38.A film is 1 hour 25 minutes long. How many minutes is that?
  39. 39.What is 11:15 in 12-hour time? (a) 1:15 a.m. (b) 11:15 p.m. (c) 11:15 a.m.
  40. 40.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 19:10 (c) 07:10

Answer key

  1. 60
  2. 30
  3. 15
  4. 14
  5. 8:30 p.m.
  6. 22:15
  7. 10:25
  8. 22:35
  9. 16:00
  10. 5:20 a.m.
  11. 225
  12. 245
  13. 10:40
  14. 13:45
  15. 21:45
  16. 185
  17. 9:15 p.m.
  18. 9:45 a.m.
  19. 5
  20. 09:50
  21. 10:30 p.m.
  22. 165
  23. 7
  24. 17:30
  25. 30
  26. 11
  27. 6
  28. 6:45 a.m.
  29. 23:05
  30. 03:40
  31. 17:05
  32. 09:20
  33. 10:15 p.m.
  34. 16:35
  35. 18:55
  36. 125
  37. 08:00
  38. 85
  39. 11:15 a.m.
  40. 19:10

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