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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 433 · 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 5 minutes long. How many minutes is that?
  2. 2.What is 11:35 in 12-hour time? (a) 11:35 p.m. (b) 11:35 a.m. (c) 1:35 a.m.
  3. 3.A film is 4 hours 20 minutes long. How many minutes is that?
  4. 4.A film is 2 hours 40 minutes long. How many minutes is that?
  5. 5.How many hours are there from 10:00 to 12:00?
  6. 6.A match starts at 07:05 and lasts 2 hours. At what time does it end? (a) 08:05 (b) 10:05 (c) 09:05
  7. 7.A train leaves at 15:10 and reaches at 17:30. How long is the journey (in minutes)?
  8. 8.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 08:40 (c) 06:40
  9. 9.How many hours are there from 12:00 to 21:00?
  10. 10.A match starts at 18:40 and lasts 2 hours 30 minutes. At what time does it end? (a) 20:10 (b) 21:10 (c) 22:10
  11. 11.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
  12. 12.A match starts at 13:35 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:00 (b) 17:00 (c) 16:00
  13. 13.How many hours are there from 10:00 to 16:00?
  14. 14.How many hours are there from 07:00 to 23:00?
  15. 15.A match starts at 08:55 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:00 (b) 09:00 (c) 11:00
  16. 16.A match starts at 18:20 and lasts 4 hours 20 minutes. At what time does it end? (a) 23:40 (b) 21:40 (c) 22:40
  17. 17.How many hours are there from 10:00 to 15:00?
  18. 18.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 a.m.
  19. 19.How many hours are there from 10:00 to 14:00?
  20. 20.How many hours are there from 09:00 to 17:00?
  21. 21.How many hours are there from 05:00 to 21:00?
  22. 22.A train leaves at 13:25 and reaches at 16:20. How long is the journey (in minutes)?
  23. 23.What is 09:35 in 12-hour time? (a) 9:35 a.m. (b) 9:35 p.m. (c) 11:35 a.m.
  24. 24.How many hours are there from 07:00 to 13:00?
  25. 25.How many hours are there from 08:00 to 17:00?
  26. 26.How many hours are there from 05:00 to 20:00?
  27. 27.How many hours are there from 05:00 to 23:00?
  28. 28.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 a.m.
  29. 29.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
  30. 30.What is 14:45 in 12-hour time? (a) 2:45 p.m. (b) 2:45 a.m. (c) 4:45 p.m.
  31. 31.Write 5:25 p.m. in 24-hour time. (a) 19:25 (b) 05:25 (c) 17:25
  32. 32.How many hours are there from 07:00 to 21:00?
  33. 33.A train leaves at 09:30 and reaches at 10:55. How long is the journey (in minutes)?
  34. 34.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 15:15 (c) 01:15
  35. 35.Write 3:25 p.m. in 24-hour time. (a) 03:25 (b) 15:25 (c) 17:25
  36. 36.How many hours are there from 06:00 to 23:00?
  37. 37.A film is 3 hours 40 minutes long. How many minutes is that?
  38. 38.A match starts at 13:35 and lasts 3 hours 25 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 18:00
  39. 39.How many hours are there from 09:00 to 12:00?
  40. 40.A film is 3 hours 50 minutes long. How many minutes is that?

Answer key

  1. 245
  2. 11:35 a.m.
  3. 260
  4. 160
  5. 2
  6. 09:05
  7. 140
  8. 06:40
  9. 9
  10. 21:10
  11. 01:05
  12. 16:00
  13. 6
  14. 16
  15. 10:00
  16. 22:40
  17. 5
  18. 4:20 a.m.
  19. 4
  20. 8
  21. 16
  22. 175
  23. 9:35 a.m.
  24. 6
  25. 9
  26. 15
  27. 18
  28. 5:05 a.m.
  29. 15:35
  30. 2:45 p.m.
  31. 17:25
  32. 14
  33. 85
  34. 13:15
  35. 15:25
  36. 17
  37. 220
  38. 17:00
  39. 3
  40. 230

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