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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 208 · 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 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 p.m. (c) 10:20 a.m.
  2. 2.What is 19:25 in 12-hour time? (a) 7:25 a.m. (b) 7:25 p.m. (c) 9:25 p.m.
  3. 3.How many hours are there from 07:00 to 23:00?
  4. 4.How many hours are there from 10:00 to 12:00?
  5. 5.How many hours are there from 05:00 to 20:00?
  6. 6.How many hours are there from 06:00 to 11:00?
  7. 7.A match starts at 11:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 13:25
  8. 8.A train leaves at 16:10 and reaches at 17:40. How long is the journey (in minutes)?
  9. 9.A film is 3 hours 20 minutes long. How many minutes is that?
  10. 10.A film is 3 hours 50 minutes long. How many minutes is that?
  11. 11.A film is 1 hour 55 minutes long. How many minutes is that?
  12. 12.How many hours are there from 11:00 to 18:00?
  13. 13.What is 08:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 a.m.
  14. 14.A train leaves at 17:00 and reaches at 19:40. How long is the journey (in minutes)?
  15. 15.Write 7:05 p.m. in 24-hour time. (a) 07:05 (b) 21:05 (c) 19:05
  16. 16.How many hours are there from 10:00 to 14:00?
  17. 17.A film is 3 hours 35 minutes long. How many minutes is that?
  18. 18.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 04:30 (c) 06:30
  19. 19.A match starts at 15:05 and lasts 1 hour 15 minutes. At what time does it end? (a) 17:20 (b) 16:20 (c) 15:20
  20. 20.How many hours are there from 09:00 to 21:00?
  21. 21.A train leaves at 16:05 and reaches at 17:10. How long is the journey (in minutes)?
  22. 22.How many hours are there from 12:00 to 14:00?
  23. 23.What is 21:45 in 12-hour time? (a) 11:45 p.m. (b) 9:45 a.m. (c) 9:45 p.m.
  24. 24.A match starts at 16:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:15 (b) 20:15 (c) 21:15
  25. 25.What is 14:55 in 12-hour time? (a) 2:55 a.m. (b) 4:55 p.m. (c) 2:55 p.m.
  26. 26.Write 4:00 p.m. in 24-hour time. (a) 16:00 (b) 04:00 (c) 18:00
  27. 27.A film is 4 hours 15 minutes long. How many minutes is that?
  28. 28.How many hours are there from 08:00 to 20:00?
  29. 29.What is 11:40 in 12-hour time? (a) 1:40 a.m. (b) 11:40 a.m. (c) 11:40 p.m.
  30. 30.What is 06:20 in 12-hour time? (a) 6:20 a.m. (b) 8:20 a.m. (c) 6:20 p.m.
  31. 31.A film is 2 hours 35 minutes long. How many minutes is that?
  32. 32.How many hours are there from 08:00 to 18:00?
  33. 33.Write 10:45 p.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 00:45
  34. 34.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 18:45 (c) 16:45
  35. 35.A train leaves at 19:05 and reaches at 19:45. How long is the journey (in minutes)?
  36. 36.A match starts at 07:15 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:25 (b) 09:25 (c) 10:25
  37. 37.Write 6:55 p.m. in 24-hour time. (a) 18:55 (b) 20:55 (c) 06:55
  38. 38.A train leaves at 08:45 and reaches at 09:25. How long is the journey (in minutes)?
  39. 39.How many hours are there from 06:00 to 08:00?
  40. 40.How many hours are there from 05:00 to 18:00?

Answer key

  1. 10:20 p.m.
  2. 7:25 p.m.
  3. 16
  4. 2
  5. 15
  6. 5
  7. 14:25
  8. 90
  9. 200
  10. 230
  11. 115
  12. 7
  13. 8:05 a.m.
  14. 160
  15. 19:05
  16. 4
  17. 215
  18. 04:30
  19. 16:20
  20. 12
  21. 65
  22. 2
  23. 9:45 p.m.
  24. 20:15
  25. 2:55 p.m.
  26. 16:00
  27. 255
  28. 12
  29. 11:40 a.m.
  30. 6:20 a.m.
  31. 155
  32. 10
  33. 22:45
  34. 16:45
  35. 40
  36. 10:25
  37. 18:55
  38. 40
  39. 2
  40. 13

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