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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 206 · 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) 10:10 p.m. (c) 12:10 a.m.
  2. 2.A film is 4 hours 20 minutes long. How many minutes is that?
  3. 3.How many hours are there from 10:00 to 13:00?
  4. 4.What is 03:20 in 12-hour time? (a) 3:20 a.m. (b) 5:20 a.m. (c) 3:20 p.m.
  5. 5.A film is 3 hours 15 minutes long. How many minutes is that?
  6. 6.What is 22:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 p.m.
  7. 7.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 a.m.
  8. 8.Write 5:30 p.m. in 24-hour time. (a) 19:30 (b) 05:30 (c) 17:30
  9. 9.A train leaves at 13:10 and reaches at 15:50. How long is the journey (in minutes)?
  10. 10.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 14:15 (c) 02:15
  11. 11.How many hours are there from 12:00 to 21:00?
  12. 12.How many hours are there from 06:00 to 08:00?
  13. 13.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 a.m. (c) 11:45 p.m.
  14. 14.How many hours are there from 09:00 to 15:00?
  15. 15.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 a.m.
  16. 16.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 a.m. (c) 11:40 p.m.
  17. 17.How many hours are there from 07:00 to 20:00?
  18. 18.How many hours are there from 06:00 to 09:00?
  19. 19.How many hours are there from 05:00 to 19:00?
  20. 20.A match starts at 13:45 and lasts 4 hours. At what time does it end? (a) 16:45 (b) 17:45 (c) 18:45
  21. 21.A film is 2 hours 30 minutes long. How many minutes is that?
  22. 22.A film is 2 hours 20 minutes long. How many minutes is that?
  23. 23.A train leaves at 09:15 and reaches at 10:50. How long is the journey (in minutes)?
  24. 24.A match starts at 10:55 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:30 (b) 11:30 (c) 13:30
  25. 25.How many hours are there from 08:00 to 23:00?
  26. 26.What is 22:25 in 12-hour time? (a) 12:25 p.m. (b) 10:25 a.m. (c) 10:25 p.m.
  27. 27.Write 5:50 p.m. in 24-hour time. (a) 19:50 (b) 05:50 (c) 17:50
  28. 28.Write 4:50 p.m. in 24-hour time. (a) 04:50 (b) 16:50 (c) 18:50
  29. 29.What is 13:45 in 12-hour time? (a) 1:45 a.m. (b) 3:45 p.m. (c) 1:45 p.m.
  30. 30.A film is 2 hours 10 minutes long. How many minutes is that?
  31. 31.A train leaves at 06:10 and reaches at 08:20. How long is the journey (in minutes)?
  32. 32.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 13:50 (c) 23:50
  33. 33.What is 18:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 p.m. (c) 6:50 p.m.
  34. 34.Write 7:40 p.m. in 24-hour time. (a) 07:40 (b) 19:40 (c) 21:40
  35. 35.Write 3:45 p.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 17:45
  36. 36.A film is 2 hours 55 minutes long. How many minutes is that?
  37. 37.How many hours are there from 07:00 to 17:00?
  38. 38.How many hours are there from 07:00 to 14:00?
  39. 39.A film is 3 hours 40 minutes long. How many minutes is that?
  40. 40.How many hours are there from 06:00 to 21:00?

Answer key

  1. 10:10 a.m.
  2. 260
  3. 3
  4. 3:20 a.m.
  5. 195
  6. 10:15 p.m.
  7. 10:45 a.m.
  8. 17:30
  9. 160
  10. 14:15
  11. 9
  12. 2
  13. 11:45 p.m.
  14. 6
  15. 1:00 a.m.
  16. 11:40 p.m.
  17. 13
  18. 3
  19. 14
  20. 17:45
  21. 150
  22. 140
  23. 95
  24. 12:30
  25. 15
  26. 10:25 p.m.
  27. 17:50
  28. 16:50
  29. 1:45 p.m.
  30. 130
  31. 130
  32. 11:50
  33. 6:50 p.m.
  34. 19:40
  35. 15:45
  36. 175
  37. 10
  38. 7
  39. 220
  40. 15

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