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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 841 · 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.How many hours are there from 07:00 to 09:00?
  2. 2.Write 6:50 p.m. in 24-hour time. (a) 18:50 (b) 20:50 (c) 06:50
  3. 3.Write 9:25 a.m. in 24-hour time. (a) 11:25 (b) 09:25 (c) 21:25
  4. 4.A train leaves at 16:20 and reaches at 17:20. How long is the journey (in minutes)?
  5. 5.A film is 3 hours 30 minutes long. How many minutes is that?
  6. 6.A film is 3 hours 15 minutes long. How many minutes is that?
  7. 7.A match starts at 06:35 and lasts 3 hours 20 minutes. At what time does it end? (a) 08:55 (b) 09:55 (c) 10:55
  8. 8.A train leaves at 17:25 and reaches at 20:10. How long is the journey (in minutes)?
  9. 9.A match starts at 17:50 and lasts 2 hours 45 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 21:35
  10. 10.A film is 1 hour 30 minutes long. How many minutes is that?
  11. 11.A match starts at 08:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 11:20
  12. 12.How many hours are there from 09:00 to 14:00?
  13. 13.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 03:35 (c) 17:35
  14. 14.How many hours are there from 09:00 to 13:00?
  15. 15.A film is 1 hour 20 minutes long. How many minutes is that?
  16. 16.A film is 2 hours 35 minutes long. How many minutes is that?
  17. 17.A train leaves at 15:15 and reaches at 16:25. How long is the journey (in minutes)?
  18. 18.How many hours are there from 07:00 to 19:00?
  19. 19.What is 20:30 in 12-hour time? (a) 10:30 p.m. (b) 8:30 p.m. (c) 8:30 a.m.
  20. 20.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
  21. 21.What is 07:55 in 12-hour time? (a) 7:55 a.m. (b) 9:55 a.m. (c) 7:55 p.m.
  22. 22.What is 15:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 p.m. (c) 3:25 p.m.
  23. 23.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 p.m.
  24. 24.How many hours are there from 06:00 to 13:00?
  25. 25.A film is 1 hour 35 minutes long. How many minutes is that?
  26. 26.Write 1:00 a.m. in 24-hour time. (a) 13:00 (b) 03:00 (c) 01:00
  27. 27.A film is 1 hour 5 minutes long. How many minutes is that?
  28. 28.A train leaves at 15:55 and reaches at 17:30. How long is the journey (in minutes)?
  29. 29.A film is 4 hours 20 minutes long. How many minutes is that?
  30. 30.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 19:35 (c) 07:35
  31. 31.What is 14:50 in 12-hour time? (a) 2:50 a.m. (b) 2:50 p.m. (c) 4:50 p.m.
  32. 32.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 13:15 (c) 01:15
  33. 33.How many hours are there from 05:00 to 14:00?
  34. 34.How many hours are there from 12:00 to 15:00?
  35. 35.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 1:25 a.m. (c) 3:25 p.m.
  36. 36.How many hours are there from 11:00 to 21:00?
  37. 37.What is 17:30 in 12-hour time? (a) 5:30 a.m. (b) 5:30 p.m. (c) 7:30 p.m.
  38. 38.Write 2:30 a.m. in 24-hour time. (a) 04:30 (b) 02:30 (c) 14:30
  39. 39.Write 4:20 p.m. in 24-hour time. (a) 18:20 (b) 16:20 (c) 04:20
  40. 40.A train leaves at 14:30 and reaches at 16:40. How long is the journey (in minutes)?

Answer key

  1. 2
  2. 18:50
  3. 09:25
  4. 60
  5. 210
  6. 195
  7. 09:55
  8. 165
  9. 20:35
  10. 90
  11. 10:20
  12. 5
  13. 15:35
  14. 4
  15. 80
  16. 155
  17. 70
  18. 12
  19. 8:30 p.m.
  20. 03:10
  21. 7:55 a.m.
  22. 3:25 p.m.
  23. 2:20 p.m.
  24. 7
  25. 95
  26. 01:00
  27. 65
  28. 95
  29. 260
  30. 19:35
  31. 2:50 p.m.
  32. 13:15
  33. 9
  34. 3
  35. 1:25 p.m.
  36. 10
  37. 5:30 p.m.
  38. 02:30
  39. 16:20
  40. 130

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