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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 682 · 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.How many hours are there from 10:00 to 23:00?
  2. 2.How many hours are there from 09:00 to 15:00?
  3. 3.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 p.m. (c) 11:20 a.m.
  4. 4.How many hours are there from 05:00 to 23:00?
  5. 5.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 04:05 (c) 06:05
  6. 6.A film is 4 hours 50 minutes long. How many minutes is that?
  7. 7.How many hours are there from 09:00 to 21:00?
  8. 8.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 4:25 a.m. (c) 6:25 a.m.
  9. 9.How many hours are there from 10:00 to 12:00?
  10. 10.How many hours are there from 10:00 to 18:00?
  11. 11.What is 21:55 in 12-hour time? (a) 11:55 p.m. (b) 9:55 p.m. (c) 9:55 a.m.
  12. 12.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 23:10
  13. 13.A match starts at 12:55 and lasts 2 hours 40 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 14:35
  14. 14.A train leaves at 14:35 and reaches at 15:50. How long is the journey (in minutes)?
  15. 15.What is 17:10 in 12-hour time? (a) 7:10 p.m. (b) 5:10 p.m. (c) 5:10 a.m.
  16. 16.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 04:50 (c) 16:50
  17. 17.Write 3:50 p.m. in 24-hour time. (a) 03:50 (b) 17:50 (c) 15:50
  18. 18.A train leaves at 16:45 and reaches at 18:25. How long is the journey (in minutes)?
  19. 19.A film is 2 hours 50 minutes long. How many minutes is that?
  20. 20.What is 10:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 a.m.
  21. 21.How many hours are there from 08:00 to 16:00?
  22. 22.Write 10:25 p.m. in 24-hour time. (a) 22:25 (b) 00:25 (c) 10:25
  23. 23.A film is 4 hours 30 minutes long. How many minutes is that?
  24. 24.How many hours are there from 10:00 to 15:00?
  25. 25.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
  26. 26.A film is 1 hour 15 minutes long. How many minutes is that?
  27. 27.What is 15:15 in 12-hour time? (a) 5:15 p.m. (b) 3:15 p.m. (c) 3:15 a.m.
  28. 28.What is 22:25 in 12-hour time? (a) 10:25 a.m. (b) 12:25 p.m. (c) 10:25 p.m.
  29. 29.A match starts at 15:00 and lasts 3 hours 40 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
  30. 30.How many hours are there from 05:00 to 09:00?
  31. 31.A match starts at 17:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 21:20 (b) 20:20 (c) 22:20
  32. 32.How many hours are there from 05:00 to 18:00?
  33. 33.Write 7:50 a.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 09:50
  34. 34.Write 3:00 p.m. in 24-hour time. (a) 17:00 (b) 15:00 (c) 03:00
  35. 35.Write 1:40 a.m. in 24-hour time. (a) 13:40 (b) 01:40 (c) 03:40
  36. 36.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 p.m. (c) 6:30 a.m.
  37. 37.A film is 1 hour 40 minutes long. How many minutes is that?
  38. 38.A match starts at 09:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:20 (b) 11:20 (c) 12:20
  39. 39.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 04:15 (c) 02:15
  40. 40.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 p.m. (c) 1:40 a.m.

Answer key

  1. 13
  2. 6
  3. 11:20 p.m.
  4. 18
  5. 04:05
  6. 290
  7. 12
  8. 4:25 a.m.
  9. 2
  10. 8
  11. 9:55 p.m.
  12. 21:10
  13. 15:35
  14. 75
  15. 5:10 p.m.
  16. 04:50
  17. 15:50
  18. 100
  19. 170
  20. 10:10 a.m.
  21. 8
  22. 22:25
  23. 270
  24. 5
  25. 5:35 p.m.
  26. 75
  27. 3:15 p.m.
  28. 10:25 p.m.
  29. 18:40
  30. 4
  31. 21:20
  32. 13
  33. 07:50
  34. 15:00
  35. 01:40
  36. 6:30 a.m.
  37. 100
  38. 11:20
  39. 02:15
  40. 1:40 p.m.

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