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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 687 · 40 sums
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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.Write 2:15 a.m. in 24-hour time. (a) 04:15 (b) 02:15 (c) 14:15
  2. 2.How many hours are there from 08:00 to 17:00?
  3. 3.A film is 1 hour 55 minutes long. How many minutes is that?
  4. 4.A film is 4 hours 30 minutes long. How many minutes is that?
  5. 5.A train leaves at 16:20 and reaches at 17:20. How long is the journey (in minutes)?
  6. 6.What is 18:45 in 12-hour time? (a) 8:45 p.m. (b) 6:45 a.m. (c) 6:45 p.m.
  7. 7.A match starts at 06:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 07:35 (b) 06:35 (c) 08:35
  8. 8.A train leaves at 16:45 and reaches at 18:40. How long is the journey (in minutes)?
  9. 9.How many hours are there from 09:00 to 11:00?
  10. 10.How many hours are there from 11:00 to 19:00?
  11. 11.How many hours are there from 06:00 to 08:00?
  12. 12.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 p.m.
  13. 13.How many hours are there from 07:00 to 17:00?
  14. 14.A match starts at 12:30 and lasts 1 hour 20 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
  15. 15.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 1:55 p.m. (c) 3:55 p.m.
  16. 16.Write 8:45 p.m. in 24-hour time. (a) 08:45 (b) 22:45 (c) 20:45
  17. 17.How many hours are there from 07:00 to 22:00?
  18. 18.How many hours are there from 09:00 to 19:00?
  19. 19.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 15:20 (c) 03:20
  20. 20.A train leaves at 10:55 and reaches at 13:25. How long is the journey (in minutes)?
  21. 21.How many hours are there from 06:00 to 11:00?
  22. 22.A train leaves at 11:35 and reaches at 12:40. How long is the journey (in minutes)?
  23. 23.How many hours are there from 06:00 to 22:00?
  24. 24.A train leaves at 19:10 and reaches at 22:20. How long is the journey (in minutes)?
  25. 25.How many hours are there from 08:00 to 11:00?
  26. 26.A film is 3 hours 50 minutes long. How many minutes is that?
  27. 27.A match starts at 16:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
  28. 28.Write 11:35 p.m. in 24-hour time. (a) 01:35 (b) 23:35 (c) 11:35
  29. 29.A train leaves at 11:55 and reaches at 12:35. How long is the journey (in minutes)?
  30. 30.Write 5:40 p.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 19:40
  31. 31.A match starts at 16:55 and lasts 4 hours 45 minutes. At what time does it end? (a) 21:40 (b) 22:40 (c) 20:40
  32. 32.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.
  33. 33.Write 10:35 p.m. in 24-hour time. (a) 00:35 (b) 22:35 (c) 10:35
  34. 34.A film is 3 hours 40 minutes long. How many minutes is that?
  35. 35.Write 8:45 a.m. in 24-hour time. (a) 10:45 (b) 20:45 (c) 08:45
  36. 36.A match starts at 08:55 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:20 (b) 09:20 (c) 11:20
  37. 37.How many hours are there from 08:00 to 18:00?
  38. 38.A film is 2 hours 20 minutes long. How many minutes is that?
  39. 39.How many hours are there from 07:00 to 16:00?
  40. 40.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 p.m. (c) 1:00 p.m.

Answer key

  1. 02:15
  2. 9
  3. 115
  4. 270
  5. 60
  6. 6:45 p.m.
  7. 07:35
  8. 115
  9. 2
  10. 8
  11. 2
  12. 6:05 p.m.
  13. 10
  14. 13:50
  15. 1:55 p.m.
  16. 20:45
  17. 15
  18. 10
  19. 03:20
  20. 150
  21. 5
  22. 65
  23. 16
  24. 190
  25. 3
  26. 230
  27. 18:40
  28. 23:35
  29. 40
  30. 17:40
  31. 21:40
  32. 1:40 p.m.
  33. 22:35
  34. 220
  35. 08:45
  36. 10:20
  37. 10
  38. 140
  39. 9
  40. 1:00 p.m.

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