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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 893 · 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 14:00 in 12-hour time? (a) 4:00 p.m. (b) 2:00 p.m. (c) 2:00 a.m.
  2. 2.What is 05:05 in 12-hour time? (a) 5:05 a.m. (b) 7:05 a.m. (c) 5:05 p.m.
  3. 3.How many hours are there from 07:00 to 11:00?
  4. 4.A match starts at 11:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 14:10 (b) 16:10 (c) 15:10
  5. 5.A film is 2 hours 15 minutes long. How many minutes is that?
  6. 6.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 8:50 a.m. (c) 10:50 a.m.
  7. 7.A match starts at 06:45 and lasts 3 hours 25 minutes. At what time does it end? (a) 09:10 (b) 11:10 (c) 10:10
  8. 8.What is 02:20 in 12-hour time? (a) 4:20 a.m. (b) 2:20 p.m. (c) 2:20 a.m.
  9. 9.A match starts at 06:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 10:50 (b) 08:50 (c) 09:50
  10. 10.How many hours are there from 08:00 to 11:00?
  11. 11.A film is 4 hours 55 minutes long. How many minutes is that?
  12. 12.How many hours are there from 08:00 to 10:00?
  13. 13.A match starts at 11:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
  14. 14.Write 8:55 p.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 22:55
  15. 15.Write 2:30 a.m. in 24-hour time. (a) 04:30 (b) 02:30 (c) 14:30
  16. 16.How many hours are there from 06:00 to 09:00?
  17. 17.Write 2:20 a.m. in 24-hour time. (a) 02:20 (b) 04:20 (c) 14:20
  18. 18.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 12:15 a.m. (c) 10:15 p.m.
  19. 19.A film is 1 hour 15 minutes long. How many minutes is that?
  20. 20.What is 21:05 in 12-hour time? (a) 11:05 p.m. (b) 9:05 p.m. (c) 9:05 a.m.
  21. 21.A film is 4 hours 20 minutes long. How many minutes is that?
  22. 22.What is 07:55 in 12-hour time? (a) 7:55 a.m. (b) 9:55 a.m. (c) 7:55 p.m.
  23. 23.A train leaves at 16:25 and reaches at 17:25. How long is the journey (in minutes)?
  24. 24.What is 09:05 in 12-hour time? (a) 9:05 a.m. (b) 9:05 p.m. (c) 11:05 a.m.
  25. 25.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 11:45
  26. 26.What is 16:45 in 12-hour time? (a) 4:45 a.m. (b) 4:45 p.m. (c) 6:45 p.m.
  27. 27.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 p.m.
  28. 28.A match starts at 07:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:50 (b) 07:50 (c) 08:50
  29. 29.A film is 4 hours 30 minutes long. How many minutes is that?
  30. 30.What is 13:20 in 12-hour time? (a) 1:20 p.m. (b) 3:20 p.m. (c) 1:20 a.m.
  31. 31.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 a.m. (c) 4:50 p.m.
  32. 32.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 23:10
  33. 33.A film is 3 hours 10 minutes long. How many minutes is that?
  34. 34.A train leaves at 19:50 and reaches at 20:25. How long is the journey (in minutes)?
  35. 35.A train leaves at 16:10 and reaches at 19:00. How long is the journey (in minutes)?
  36. 36.What is 21:00 in 12-hour time? (a) 11:00 p.m. (b) 9:00 a.m. (c) 9:00 p.m.
  37. 37.What is 18:40 in 12-hour time? (a) 6:40 a.m. (b) 6:40 p.m. (c) 8:40 p.m.
  38. 38.A train leaves at 14:50 and reaches at 17:15. How long is the journey (in minutes)?
  39. 39.Write 9:10 a.m. in 24-hour time. (a) 09:10 (b) 21:10 (c) 11:10
  40. 40.How many hours are there from 08:00 to 22:00?

Answer key

  1. 2:00 p.m.
  2. 5:05 a.m.
  3. 4
  4. 15:10
  5. 135
  6. 8:50 a.m.
  7. 10:10
  8. 2:20 a.m.
  9. 09:50
  10. 3
  11. 295
  12. 2
  13. 15:20
  14. 20:55
  15. 02:30
  16. 3
  17. 02:20
  18. 10:15 a.m.
  19. 75
  20. 9:05 p.m.
  21. 260
  22. 7:55 a.m.
  23. 60
  24. 9:05 a.m.
  25. 09:45
  26. 4:45 p.m.
  27. 9:20 p.m.
  28. 08:50
  29. 270
  30. 1:20 p.m.
  31. 4:50 a.m.
  32. 21:10
  33. 190
  34. 35
  35. 170
  36. 9:00 p.m.
  37. 6:40 p.m.
  38. 145
  39. 09:10
  40. 14

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