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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 367 · 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.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 03:15 (c) 05:15
  2. 2.Write 8:40 a.m. in 24-hour time. (a) 10:40 (b) 08:40 (c) 20:40
  3. 3.A film is 3 hours 35 minutes long. How many minutes is that?
  4. 4.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 a.m. (c) 3:00 p.m.
  5. 5.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 03:30 (c) 15:30
  6. 6.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 a.m. (c) 1:55 a.m.
  7. 7.Write 1:25 p.m. in 24-hour time. (a) 15:25 (b) 13:25 (c) 01:25
  8. 8.How many hours are there from 11:00 to 14:00?
  9. 9.A match starts at 08:20 and lasts 3 hours 30 minutes. At what time does it end? (a) 10:50 (b) 11:50 (c) 12:50
  10. 10.What is 01:35 in 12-hour time? (a) 3:35 a.m. (b) 1:35 p.m. (c) 1:35 a.m.
  11. 11.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 p.m. (c) 1:55 p.m.
  12. 12.A film is 3 hours 25 minutes long. How many minutes is that?
  13. 13.How many hours are there from 09:00 to 18:00?
  14. 14.A train leaves at 08:50 and reaches at 11:25. How long is the journey (in minutes)?
  15. 15.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
  16. 16.A match starts at 11:00 and lasts 1 hour 30 minutes. At what time does it end? (a) 13:30 (b) 12:30 (c) 11:30
  17. 17.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 a.m. (c) 9:45 p.m.
  18. 18.A train leaves at 07:25 and reaches at 08:25. How long is the journey (in minutes)?
  19. 19.A match starts at 07:40 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:30 (b) 10:30 (c) 11:30
  20. 20.Write 6:10 a.m. in 24-hour time. (a) 08:10 (b) 06:10 (c) 18:10
  21. 21.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 a.m. (c) 6:30 p.m.
  22. 22.A match starts at 14:15 and lasts 4 hours 55 minutes. At what time does it end? (a) 18:10 (b) 19:10 (c) 20:10
  23. 23.How many hours are there from 09:00 to 19:00?
  24. 24.What is 16:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 p.m. (c) 4:10 a.m.
  25. 25.How many hours are there from 08:00 to 10:00?
  26. 26.A match starts at 08:30 and lasts 2 hours 45 minutes. At what time does it end? (a) 10:15 (b) 11:15 (c) 12:15
  27. 27.Write 9:45 a.m. in 24-hour time. (a) 11:45 (b) 21:45 (c) 09:45
  28. 28.A train leaves at 14:00 and reaches at 16:35. How long is the journey (in minutes)?
  29. 29.A film is 2 hours 15 minutes long. How many minutes is that?
  30. 30.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 04:35 (c) 02:35
  31. 31.What is 15:30 in 12-hour time? (a) 3:30 p.m. (b) 5:30 p.m. (c) 3:30 a.m.
  32. 32.A film is 3 hours 30 minutes long. How many minutes is that?
  33. 33.How many hours are there from 12:00 to 17:00?
  34. 34.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 a.m. (c) 7:30 p.m.
  35. 35.Write 7:35 a.m. in 24-hour time. (a) 19:35 (b) 09:35 (c) 07:35
  36. 36.Write 11:20 p.m. in 24-hour time. (a) 11:20 (b) 01:20 (c) 23:20
  37. 37.Write 1:45 p.m. in 24-hour time. (a) 15:45 (b) 01:45 (c) 13:45
  38. 38.A film is 3 hours 45 minutes long. How many minutes is that?
  39. 39.What is 09:40 in 12-hour time? (a) 9:40 p.m. (b) 11:40 a.m. (c) 9:40 a.m.
  40. 40.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 09:40 (c) 07:40

Answer key

  1. 03:15
  2. 08:40
  3. 215
  4. 3:00 a.m.
  5. 15:30
  6. 1:55 a.m.
  7. 13:25
  8. 3
  9. 11:50
  10. 1:35 a.m.
  11. 1:55 p.m.
  12. 205
  13. 9
  14. 155
  15. 1:10 p.m.
  16. 12:30
  17. 9:45 a.m.
  18. 60
  19. 11:30
  20. 06:10
  21. 6:30 a.m.
  22. 19:10
  23. 10
  24. 4:10 p.m.
  25. 2
  26. 11:15
  27. 09:45
  28. 155
  29. 135
  30. 02:35
  31. 3:30 p.m.
  32. 210
  33. 5
  34. 7:30 a.m.
  35. 07:35
  36. 23:20
  37. 13:45
  38. 225
  39. 9:40 a.m.
  40. 07:40

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