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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 647 · 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 09:05 and reaches at 09:45. How long is the journey (in minutes)?
  2. 2.A train leaves at 09:50 and reaches at 12:35. How long is the journey (in minutes)?
  3. 3.A train leaves at 19:20 and reaches at 20:40. How long is the journey (in minutes)?
  4. 4.Write 11:05 p.m. in 24-hour time. (a) 23:05 (b) 01:05 (c) 11:05
  5. 5.Write 2:50 p.m. in 24-hour time. (a) 16:50 (b) 14:50 (c) 02:50
  6. 6.How many hours are there from 06:00 to 23:00?
  7. 7.A film is 2 hours 45 minutes long. How many minutes is that?
  8. 8.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 1:25 a.m. (c) 3:25 p.m.
  9. 9.A film is 3 hours 10 minutes long. How many minutes is that?
  10. 10.A train leaves at 15:55 and reaches at 17:45. How long is the journey (in minutes)?
  11. 11.What is 07:55 in 12-hour time? (a) 7:55 p.m. (b) 9:55 a.m. (c) 7:55 a.m.
  12. 12.A film is 4 hours 10 minutes long. How many minutes is that?
  13. 13.What is 06:10 in 12-hour time? (a) 6:10 a.m. (b) 6:10 p.m. (c) 8:10 a.m.
  14. 14.What is 22:30 in 12-hour time? (a) 10:30 p.m. (b) 12:30 p.m. (c) 10:30 a.m.
  15. 15.A train leaves at 18:40 and reaches at 20:00. How long is the journey (in minutes)?
  16. 16.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 22:05 (c) 20:05
  17. 17.Write 7:30 a.m. in 24-hour time. (a) 19:30 (b) 09:30 (c) 07:30
  18. 18.Write 1:45 p.m. in 24-hour time. (a) 01:45 (b) 13:45 (c) 15:45
  19. 19.A film is 4 hours 15 minutes long. How many minutes is that?
  20. 20.A train leaves at 10:25 and reaches at 12:35. How long is the journey (in minutes)?
  21. 21.How many hours are there from 07:00 to 11:00?
  22. 22.How many hours are there from 10:00 to 12:00?
  23. 23.Write 2:10 a.m. in 24-hour time. (a) 02:10 (b) 04:10 (c) 14:10
  24. 24.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 11:15 (c) 09:15
  25. 25.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 22:10 (c) 10:10
  26. 26.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 p.m.
  27. 27.A train leaves at 09:45 and reaches at 11:05. How long is the journey (in minutes)?
  28. 28.How many hours are there from 06:00 to 14:00?
  29. 29.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 07:15
  30. 30.A train leaves at 07:10 and reaches at 10:25. How long is the journey (in minutes)?
  31. 31.A train leaves at 08:05 and reaches at 10:25. How long is the journey (in minutes)?
  32. 32.Write 7:45 a.m. in 24-hour time. (a) 07:45 (b) 19:45 (c) 09:45
  33. 33.A film is 1 hour 5 minutes long. How many minutes is that?
  34. 34.What is 19:30 in 12-hour time? (a) 7:30 p.m. (b) 9:30 p.m. (c) 7:30 a.m.
  35. 35.How many hours are there from 06:00 to 15:00?
  36. 36.A match starts at 14:35 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:50 (b) 15:50 (c) 16:50
  37. 37.Write 8:55 a.m. in 24-hour time. (a) 20:55 (b) 10:55 (c) 08:55
  38. 38.How many hours are there from 08:00 to 15:00?
  39. 39.A film is 3 hours 5 minutes long. How many minutes is that?
  40. 40.How many hours are there from 07:00 to 10:00?

Answer key

  1. 40
  2. 165
  3. 80
  4. 23:05
  5. 14:50
  6. 17
  7. 165
  8. 1:25 p.m.
  9. 190
  10. 110
  11. 7:55 a.m.
  12. 250
  13. 6:10 a.m.
  14. 10:30 p.m.
  15. 80
  16. 20:05
  17. 07:30
  18. 13:45
  19. 255
  20. 130
  21. 4
  22. 2
  23. 02:10
  24. 09:15
  25. 10:10
  26. 7:10 p.m.
  27. 80
  28. 8
  29. 05:15
  30. 195
  31. 140
  32. 07:45
  33. 65
  34. 7:30 p.m.
  35. 9
  36. 16:50
  37. 08:55
  38. 7
  39. 185
  40. 3

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