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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 756 · 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 20:00 in 12-hour time? (a) 8:00 a.m. (b) 8:00 p.m. (c) 10:00 p.m.
  2. 2.A train leaves at 12:10 and reaches at 13:10. How long is the journey (in minutes)?
  3. 3.A film is 1 hour 50 minutes long. How many minutes is that?
  4. 4.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 a.m. (c) 7:40 p.m.
  5. 5.Write 2:05 a.m. in 24-hour time. (a) 14:05 (b) 04:05 (c) 02:05
  6. 6.A train leaves at 10:10 and reaches at 11:35. How long is the journey (in minutes)?
  7. 7.A film is 4 hours 25 minutes long. How many minutes is that?
  8. 8.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 18:35 (c) 04:35
  9. 9.What is 05:00 in 12-hour time? (a) 7:00 a.m. (b) 5:00 a.m. (c) 5:00 p.m.
  10. 10.A train leaves at 08:15 and reaches at 09:35. How long is the journey (in minutes)?
  11. 11.Write 8:35 a.m. in 24-hour time. (a) 10:35 (b) 08:35 (c) 20:35
  12. 12.A film is 1 hour 25 minutes long. How many minutes is that?
  13. 13.Write 11:35 p.m. in 24-hour time. (a) 01:35 (b) 11:35 (c) 23:35
  14. 14.A train leaves at 13:35 and reaches at 16:30. How long is the journey (in minutes)?
  15. 15.What is 14:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 p.m.
  16. 16.A match starts at 11:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:55 (b) 13:55 (c) 14:55
  17. 17.A train leaves at 09:30 and reaches at 09:55. How long is the journey (in minutes)?
  18. 18.A film is 1 hour 40 minutes long. How many minutes is that?
  19. 19.A film is 1 hour 45 minutes long. How many minutes is that?
  20. 20.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
  21. 21.A film is 1 hour 30 minutes long. How many minutes is that?
  22. 22.How many hours are there from 10:00 to 20:00?
  23. 23.What is 21:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 p.m.
  24. 24.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 p.m. (c) 8:25 a.m.
  25. 25.A train leaves at 13:45 and reaches at 14:20. How long is the journey (in minutes)?
  26. 26.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 a.m. (c) 1:55 p.m.
  27. 27.A train leaves at 12:40 and reaches at 15:35. How long is the journey (in minutes)?
  28. 28.A train leaves at 11:15 and reaches at 11:40. How long is the journey (in minutes)?
  29. 29.Write 4:50 p.m. in 24-hour time. (a) 04:50 (b) 18:50 (c) 16:50
  30. 30.What is 14:40 in 12-hour time? (a) 2:40 p.m. (b) 4:40 p.m. (c) 2:40 a.m.
  31. 31.What is 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 a.m. (c) 7:50 p.m.
  32. 32.A match starts at 11:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 15:10
  33. 33.How many hours are there from 12:00 to 16:00?
  34. 34.A train leaves at 10:45 and reaches at 12:20. How long is the journey (in minutes)?
  35. 35.How many hours are there from 09:00 to 14:00?
  36. 36.Write 4:50 a.m. in 24-hour time. (a) 04:50 (b) 06:50 (c) 16:50
  37. 37.A film is 4 hours 40 minutes long. How many minutes is that?
  38. 38.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 19:35 (c) 07:35
  39. 39.Write 1:30 a.m. in 24-hour time. (a) 13:30 (b) 03:30 (c) 01:30
  40. 40.A train leaves at 15:50 and reaches at 19:10. How long is the journey (in minutes)?

Answer key

  1. 8:00 p.m.
  2. 60
  3. 110
  4. 7:40 p.m.
  5. 02:05
  6. 85
  7. 265
  8. 16:35
  9. 5:00 a.m.
  10. 80
  11. 08:35
  12. 85
  13. 23:35
  14. 175
  15. 2:25 p.m.
  16. 13:55
  17. 25
  18. 100
  19. 105
  20. 07:20
  21. 90
  22. 10
  23. 9:05 p.m.
  24. 8:25 a.m.
  25. 35
  26. 1:55 a.m.
  27. 175
  28. 25
  29. 16:50
  30. 2:40 p.m.
  31. 7:50 p.m.
  32. 14:10
  33. 4
  34. 95
  35. 5
  36. 04:50
  37. 280
  38. 19:35
  39. 01:30
  40. 200

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