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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 648 · 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.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 12:10 a.m. (c) 10:10 p.m.
  2. 2.A film is 3 hours 15 minutes long. How many minutes is that?
  3. 3.How many hours are there from 12:00 to 15:00?
  4. 4.What is 13:00 in 12-hour time? (a) 1:00 p.m. (b) 1:00 a.m. (c) 3:00 p.m.
  5. 5.A match starts at 10:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 11:05 (b) 13:05 (c) 12:05
  6. 6.How many hours are there from 12:00 to 16:00?
  7. 7.A film is 4 hours 5 minutes long. How many minutes is that?
  8. 8.What is 10:45 in 12-hour time? (a) 10:45 a.m. (b) 10:45 p.m. (c) 12:45 a.m.
  9. 9.How many hours are there from 05:00 to 12:00?
  10. 10.Write 3:40 a.m. in 24-hour time. (a) 05:40 (b) 03:40 (c) 15:40
  11. 11.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 a.m. (c) 4:20 a.m.
  12. 12.How many hours are there from 08:00 to 15:00?
  13. 13.Write 1:25 a.m. in 24-hour time. (a) 03:25 (b) 01:25 (c) 13:25
  14. 14.A match starts at 14:50 and lasts 3 hours 35 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 19:25
  15. 15.A train leaves at 09:40 and reaches at 11:45. How long is the journey (in minutes)?
  16. 16.How many hours are there from 11:00 to 20:00?
  17. 17.How many hours are there from 05:00 to 15:00?
  18. 18.A match starts at 10:20 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:50 (b) 10:50 (c) 12:50
  19. 19.A film is 3 hours 25 minutes long. How many minutes is that?
  20. 20.A film is 3 hours 30 minutes long. How many minutes is that?
  21. 21.How many hours are there from 05:00 to 07:00?
  22. 22.A train leaves at 14:20 and reaches at 15:10. How long is the journey (in minutes)?
  23. 23.How many hours are there from 10:00 to 14:00?
  24. 24.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 11:05 (c) 23:05
  25. 25.Write 6:10 a.m. in 24-hour time. (a) 08:10 (b) 18:10 (c) 06:10
  26. 26.A match starts at 14:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 15:10 (b) 16:10 (c) 14:10
  27. 27.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 p.m.
  28. 28.A film is 1 hour 35 minutes long. How many minutes is that?
  29. 29.How many hours are there from 11:00 to 17:00?
  30. 30.Write 6:25 a.m. in 24-hour time. (a) 06:25 (b) 08:25 (c) 18:25
  31. 31.A train leaves at 11:20 and reaches at 13:55. How long is the journey (in minutes)?
  32. 32.A train leaves at 06:05 and reaches at 09:15. How long is the journey (in minutes)?
  33. 33.A match starts at 07:50 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:00 (b) 10:00 (c) 12:00
  34. 34.How many hours are there from 06:00 to 17:00?
  35. 35.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 6:35 p.m. (c) 4:35 p.m.
  36. 36.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 6:00 p.m. (c) 4:00 p.m.
  37. 37.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 17:45 (c) 05:45
  38. 38.How many hours are there from 06:00 to 19:00?
  39. 39.A match starts at 14:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:45 (b) 14:45 (c) 16:45
  40. 40.How many hours are there from 06:00 to 09:00?

Answer key

  1. 10:10 a.m.
  2. 195
  3. 3
  4. 1:00 p.m.
  5. 12:05
  6. 4
  7. 245
  8. 10:45 a.m.
  9. 7
  10. 03:40
  11. 4:20 a.m.
  12. 7
  13. 01:25
  14. 18:25
  15. 125
  16. 9
  17. 10
  18. 11:50
  19. 205
  20. 210
  21. 2
  22. 50
  23. 4
  24. 11:05
  25. 06:10
  26. 15:10
  27. 8:05 p.m.
  28. 95
  29. 6
  30. 06:25
  31. 155
  32. 190
  33. 11:00
  34. 11
  35. 4:35 p.m.
  36. 4:00 p.m.
  37. 17:45
  38. 13
  39. 15:45
  40. 3

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