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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 657 · 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.A train leaves at 14:35 and reaches at 15:15. How long is the journey (in minutes)?
  2. 2.A film is 3 hours 5 minutes long. How many minutes is that?
  3. 3.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 04:30 (c) 06:30
  4. 4.How many hours are there from 10:00 to 15:00?
  5. 5.What is 20:55 in 12-hour time? (a) 8:55 p.m. (b) 10:55 p.m. (c) 8:55 a.m.
  6. 6.A match starts at 12:30 and lasts 2 hours 50 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 14:20
  7. 7.Write 1:50 p.m. in 24-hour time. (a) 01:50 (b) 15:50 (c) 13:50
  8. 8.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
  9. 9.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 10:50 a.m. (c) 8:50 a.m.
  10. 10.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 a.m. (c) 4:55 p.m.
  11. 11.A film is 4 hours 15 minutes long. How many minutes is that?
  12. 12.A match starts at 07:50 and lasts 2 hours 55 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 11:45
  13. 13.How many hours are there from 06:00 to 21:00?
  14. 14.A film is 1 hour 25 minutes long. How many minutes is that?
  15. 15.What is 16:30 in 12-hour time? (a) 4:30 a.m. (b) 4:30 p.m. (c) 6:30 p.m.
  16. 16.A train leaves at 14:05 and reaches at 16:55. How long is the journey (in minutes)?
  17. 17.A film is 3 hours 45 minutes long. How many minutes is that?
  18. 18.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 a.m. (c) 11:10 p.m.
  19. 19.A match starts at 18:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 19:05 (b) 21:05 (c) 20:05
  20. 20.What is 22:30 in 12-hour time? (a) 10:30 a.m. (b) 10:30 p.m. (c) 12:30 p.m.
  21. 21.A train leaves at 17:10 and reaches at 18:10. How long is the journey (in minutes)?
  22. 22.Write 1:05 p.m. in 24-hour time. (a) 01:05 (b) 13:05 (c) 15:05
  23. 23.What is 15:40 in 12-hour time? (a) 5:40 p.m. (b) 3:40 a.m. (c) 3:40 p.m.
  24. 24.A train leaves at 17:50 and reaches at 19:05. How long is the journey (in minutes)?
  25. 25.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 p.m. (c) 10:55 p.m.
  26. 26.A match starts at 13:25 and lasts 1 hour 50 minutes. At what time does it end? (a) 15:15 (b) 14:15 (c) 16:15
  27. 27.What is 10:15 in 12-hour time? (a) 12:15 a.m. (b) 10:15 p.m. (c) 10:15 a.m.
  28. 28.Write 8:20 a.m. in 24-hour time. (a) 20:20 (b) 10:20 (c) 08:20
  29. 29.How many hours are there from 11:00 to 20:00?
  30. 30.How many hours are there from 05:00 to 16:00?
  31. 31.A film is 3 hours 40 minutes long. How many minutes is that?
  32. 32.A match starts at 10:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 12:55
  33. 33.Write 3:45 p.m. in 24-hour time. (a) 17:45 (b) 03:45 (c) 15:45
  34. 34.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 18:15 (c) 16:15
  35. 35.What is 22:10 in 12-hour time? (a) 10:10 p.m. (b) 12:10 p.m. (c) 10:10 a.m.
  36. 36.How many hours are there from 12:00 to 20:00?
  37. 37.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 16:50 (c) 04:50
  38. 38.A match starts at 17:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 18:55 (b) 17:55 (c) 19:55
  39. 39.What is 15:55 in 12-hour time? (a) 5:55 p.m. (b) 3:55 p.m. (c) 3:55 a.m.
  40. 40.What is 19:50 in 12-hour time? (a) 7:50 a.m. (b) 7:50 p.m. (c) 9:50 p.m.

Answer key

  1. 40
  2. 185
  3. 04:30
  4. 5
  5. 8:55 p.m.
  6. 15:20
  7. 13:50
  8. 02:35
  9. 8:50 a.m.
  10. 4:55 a.m.
  11. 255
  12. 10:45
  13. 15
  14. 85
  15. 4:30 p.m.
  16. 170
  17. 225
  18. 11:10 a.m.
  19. 20:05
  20. 10:30 p.m.
  21. 60
  22. 13:05
  23. 3:40 p.m.
  24. 75
  25. 10:55 p.m.
  26. 15:15
  27. 10:15 a.m.
  28. 08:20
  29. 9
  30. 11
  31. 220
  32. 13:55
  33. 15:45
  34. 16:15
  35. 10:10 p.m.
  36. 8
  37. 16:50
  38. 18:55
  39. 3:55 p.m.
  40. 7:50 p.m.

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