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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 418 · 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 11:00 to 22:00?
  2. 2.Write 6:00 p.m. in 24-hour time. (a) 06:00 (b) 20:00 (c) 18:00
  3. 3.A film is 4 hours 45 minutes long. How many minutes is that?
  4. 4.What is 18:40 in 12-hour time? (a) 6:40 a.m. (b) 8:40 p.m. (c) 6:40 p.m.
  5. 5.A film is 1 hour 45 minutes long. How many minutes is that?
  6. 6.Write 1:05 p.m. in 24-hour time. (a) 15:05 (b) 01:05 (c) 13:05
  7. 7.A film is 1 hour 55 minutes long. How many minutes is that?
  8. 8.What is 01:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 a.m. (c) 1:40 p.m.
  9. 9.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 03:50 (c) 13:50
  10. 10.How many hours are there from 11:00 to 16:00?
  11. 11.Write 2:40 a.m. in 24-hour time. (a) 02:40 (b) 14:40 (c) 04:40
  12. 12.A match starts at 16:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
  13. 13.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 06:10 (c) 08:10
  14. 14.What is 20:40 in 12-hour time? (a) 8:40 p.m. (b) 10:40 p.m. (c) 8:40 a.m.
  15. 15.A film is 3 hours 55 minutes long. How many minutes is that?
  16. 16.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
  17. 17.Write 2:30 p.m. in 24-hour time. (a) 14:30 (b) 02:30 (c) 16:30
  18. 18.A film is 2 hours 20 minutes long. How many minutes is that?
  19. 19.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 18:10 (c) 06:10
  20. 20.A train leaves at 13:35 and reaches at 15:00. How long is the journey (in minutes)?
  21. 21.What is 07:10 in 12-hour time? (a) 9:10 a.m. (b) 7:10 a.m. (c) 7:10 p.m.
  22. 22.A match starts at 06:05 and lasts 2 hours. At what time does it end? (a) 08:05 (b) 09:05 (c) 07:05
  23. 23.Write 10:45 p.m. in 24-hour time. (a) 00:45 (b) 22:45 (c) 10:45
  24. 24.A train leaves at 14:15 and reaches at 16:10. How long is the journey (in minutes)?
  25. 25.How many hours are there from 06:00 to 15:00?
  26. 26.A match starts at 06:20 and lasts 4 hours 25 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 11:45
  27. 27.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 a.m.
  28. 28.What is 01:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 a.m. (c) 1:55 p.m.
  29. 29.How many hours are there from 09:00 to 14:00?
  30. 30.Write 4:25 a.m. in 24-hour time. (a) 16:25 (b) 06:25 (c) 04:25
  31. 31.How many hours are there from 12:00 to 22:00?
  32. 32.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 00:40 (c) 22:40
  33. 33.A film is 3 hours 45 minutes long. How many minutes is that?
  34. 34.A train leaves at 19:15 and reaches at 21:05. How long is the journey (in minutes)?
  35. 35.Write 6:25 p.m. in 24-hour time. (a) 18:25 (b) 06:25 (c) 20:25
  36. 36.How many hours are there from 08:00 to 20:00?
  37. 37.A film is 4 hours 55 minutes long. How many minutes is that?
  38. 38.How many hours are there from 10:00 to 15:00?
  39. 39.Write 1:20 p.m. in 24-hour time. (a) 01:20 (b) 15:20 (c) 13:20
  40. 40.What is 17:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 p.m. (c) 5:45 p.m.

Answer key

  1. 11
  2. 18:00
  3. 285
  4. 6:40 p.m.
  5. 105
  6. 13:05
  7. 115
  8. 1:40 a.m.
  9. 01:50
  10. 5
  11. 02:40
  12. 18:40
  13. 06:10
  14. 8:40 p.m.
  15. 235
  16. 7:00 a.m.
  17. 14:30
  18. 140
  19. 18:10
  20. 85
  21. 7:10 a.m.
  22. 08:05
  23. 22:45
  24. 115
  25. 9
  26. 10:45
  27. 11:50 a.m.
  28. 1:55 a.m.
  29. 5
  30. 04:25
  31. 10
  32. 22:40
  33. 225
  34. 110
  35. 18:25
  36. 12
  37. 295
  38. 5
  39. 13:20
  40. 5:45 p.m.

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