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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 806 · 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 22:50 in 12-hour time? (a) 12:50 p.m. (b) 10:50 a.m. (c) 10:50 p.m.
  2. 2.A train leaves at 14:30 and reaches at 17:00. How long is the journey (in minutes)?
  3. 3.A train leaves at 15:35 and reaches at 16:25. How long is the journey (in minutes)?
  4. 4.How many hours are there from 06:00 to 09:00?
  5. 5.How many hours are there from 10:00 to 21:00?
  6. 6.A match starts at 09:20 and lasts 3 hours 25 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 13:45
  7. 7.Write 6:40 p.m. in 24-hour time. (a) 18:40 (b) 06:40 (c) 20:40
  8. 8.What is 11:00 in 12-hour time? (a) 11:00 p.m. (b) 1:00 a.m. (c) 11:00 a.m.
  9. 9.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 13:35 (c) 23:35
  10. 10.Write 9:20 a.m. in 24-hour time. (a) 21:20 (b) 11:20 (c) 09:20
  11. 11.A film is 4 hours 30 minutes long. How many minutes is that?
  12. 12.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 03:35 (c) 17:35
  13. 13.A match starts at 16:30 and lasts 1 hour 20 minutes. At what time does it end? (a) 16:50 (b) 18:50 (c) 17:50
  14. 14.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 a.m. (c) 1:40 a.m.
  15. 15.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 21:15 (c) 23:15
  16. 16.What is 03:55 in 12-hour time? (a) 3:55 a.m. (b) 5:55 a.m. (c) 3:55 p.m.
  17. 17.Write 4:35 a.m. in 24-hour time. (a) 16:35 (b) 04:35 (c) 06:35
  18. 18.A match starts at 18:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 20:25 (b) 19:25 (c) 18:25
  19. 19.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 a.m. (c) 8:05 a.m.
  20. 20.What is 10:25 in 12-hour time? (a) 12:25 a.m. (b) 10:25 p.m. (c) 10:25 a.m.
  21. 21.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 05:55 (c) 03:55
  22. 22.A train leaves at 10:30 and reaches at 11:30. How long is the journey (in minutes)?
  23. 23.A train leaves at 14:15 and reaches at 15:00. How long is the journey (in minutes)?
  24. 24.How many hours are there from 09:00 to 23:00?
  25. 25.How many hours are there from 11:00 to 16:00?
  26. 26.A train leaves at 16:10 and reaches at 17:35. How long is the journey (in minutes)?
  27. 27.How many hours are there from 09:00 to 15:00?
  28. 28.A match starts at 16:55 and lasts 3 hours 20 minutes. At what time does it end? (a) 20:15 (b) 19:15 (c) 21:15
  29. 29.A train leaves at 11:10 and reaches at 12:25. How long is the journey (in minutes)?
  30. 30.How many hours are there from 06:00 to 12:00?
  31. 31.Write 1:05 p.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 15:05
  32. 32.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 05:15 (c) 15:15
  33. 33.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 23:10 (c) 13:10
  34. 34.Write 5:10 p.m. in 24-hour time. (a) 19:10 (b) 05:10 (c) 17:10
  35. 35.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 p.m. (c) 10:20 a.m.
  36. 36.What is 22:35 in 12-hour time? (a) 10:35 a.m. (b) 10:35 p.m. (c) 12:35 p.m.
  37. 37.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
  38. 38.What is 09:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 a.m. (c) 9:20 a.m.
  39. 39.A train leaves at 18:10 and reaches at 21:30. How long is the journey (in minutes)?
  40. 40.A film is 4 hours 55 minutes long. How many minutes is that?

Answer key

  1. 10:50 p.m.
  2. 150
  3. 50
  4. 3
  5. 11
  6. 12:45
  7. 18:40
  8. 11:00 a.m.
  9. 11:35
  10. 09:20
  11. 270
  12. 15:35
  13. 17:50
  14. 1:40 a.m.
  15. 21:15
  16. 3:55 a.m.
  17. 04:35
  18. 19:25
  19. 8:05 a.m.
  20. 10:25 a.m.
  21. 03:55
  22. 60
  23. 45
  24. 14
  25. 5
  26. 85
  27. 6
  28. 20:15
  29. 75
  30. 6
  31. 13:05
  32. 03:15
  33. 11:10
  34. 17:10
  35. 10:20 a.m.
  36. 10:35 p.m.
  37. 07:20
  38. 9:20 a.m.
  39. 200
  40. 295

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