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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 617 · 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 12:45 and reaches at 14:00. How long is the journey (in minutes)?
  2. 2.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 23:20 (c) 11:20
  3. 3.A match starts at 09:35 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
  4. 4.Write 11:10 p.m. in 24-hour time. (a) 01:10 (b) 23:10 (c) 11:10
  5. 5.A film is 4 hours 50 minutes long. How many minutes is that?
  6. 6.A film is 2 hours 15 minutes long. How many minutes is that?
  7. 7.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 04:10 (c) 02:10
  8. 8.A train leaves at 10:50 and reaches at 13:05. How long is the journey (in minutes)?
  9. 9.A film is 1 hour 55 minutes long. How many minutes is that?
  10. 10.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 6:35 p.m. (c) 4:35 p.m.
  11. 11.How many hours are there from 07:00 to 10:00?
  12. 12.A train leaves at 06:05 and reaches at 07:00. How long is the journey (in minutes)?
  13. 13.What is 04:35 in 12-hour time? (a) 6:35 a.m. (b) 4:35 a.m. (c) 4:35 p.m.
  14. 14.A train leaves at 06:25 and reaches at 08:55. How long is the journey (in minutes)?
  15. 15.A train leaves at 16:45 and reaches at 19:20. How long is the journey (in minutes)?
  16. 16.A film is 1 hour 20 minutes long. How many minutes is that?
  17. 17.A train leaves at 18:00 and reaches at 20:35. How long is the journey (in minutes)?
  18. 18.Write 9:20 a.m. in 24-hour time. (a) 21:20 (b) 09:20 (c) 11:20
  19. 19.How many hours are there from 09:00 to 18:00?
  20. 20.What is 09:10 in 12-hour time? (a) 9:10 p.m. (b) 11:10 a.m. (c) 9:10 a.m.
  21. 21.What is 10:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 a.m. (c) 10:35 p.m.
  22. 22.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 2:35 a.m. (c) 4:35 p.m.
  23. 23.What is 13:45 in 12-hour time? (a) 3:45 p.m. (b) 1:45 p.m. (c) 1:45 a.m.
  24. 24.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 a.m. (c) 2:15 p.m.
  25. 25.A film is 1 hour 30 minutes long. How many minutes is that?
  26. 26.A train leaves at 17:25 and reaches at 20:00. How long is the journey (in minutes)?
  27. 27.Write 3:40 p.m. in 24-hour time. (a) 15:40 (b) 17:40 (c) 03:40
  28. 28.A match starts at 07:30 and lasts 2 hours 30 minutes. At what time does it end? (a) 09:00 (b) 11:00 (c) 10:00
  29. 29.A train leaves at 14:10 and reaches at 15:05. How long is the journey (in minutes)?
  30. 30.Write 9:35 p.m. in 24-hour time. (a) 23:35 (b) 21:35 (c) 09:35
  31. 31.A film is 1 hour 10 minutes long. How many minutes is that?
  32. 32.Write 4:15 a.m. in 24-hour time. (a) 04:15 (b) 06:15 (c) 16:15
  33. 33.How many hours are there from 07:00 to 09:00?
  34. 34.What is 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 p.m. (c) 2:05 a.m.
  35. 35.Write 2:05 a.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 04:05
  36. 36.A film is 2 hours 5 minutes long. How many minutes is that?
  37. 37.How many hours are there from 08:00 to 12:00?
  38. 38.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 04:10 (c) 06:10
  39. 39.Write 11:05 a.m. in 24-hour time. (a) 23:05 (b) 11:05 (c) 13:05
  40. 40.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 01:00 (c) 13:00

Answer key

  1. 75
  2. 23:20
  3. 13:50
  4. 23:10
  5. 290
  6. 135
  7. 02:10
  8. 135
  9. 115
  10. 4:35 p.m.
  11. 3
  12. 55
  13. 4:35 a.m.
  14. 150
  15. 155
  16. 80
  17. 155
  18. 09:20
  19. 9
  20. 9:10 a.m.
  21. 10:35 a.m.
  22. 2:35 p.m.
  23. 1:45 p.m.
  24. 2:15 a.m.
  25. 90
  26. 155
  27. 15:40
  28. 10:00
  29. 55
  30. 21:35
  31. 70
  32. 04:15
  33. 2
  34. 2:05 a.m.
  35. 02:05
  36. 125
  37. 4
  38. 04:10
  39. 11:05
  40. 01:00

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