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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 145 · 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.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 10:00 (c) 20:00
  2. 2.How many hours are there from 05:00 to 09:00?
  3. 3.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 09:10
  4. 4.A film is 1 hour 20 minutes long. How many minutes is that?
  5. 5.A train leaves at 17:55 and reaches at 19:25. How long is the journey (in minutes)?
  6. 6.What is 08:05 in 12-hour time? (a) 10:05 a.m. (b) 8:05 p.m. (c) 8:05 a.m.
  7. 7.How many hours are there from 08:00 to 19:00?
  8. 8.How many hours are there from 07:00 to 11:00?
  9. 9.What is 09:35 in 12-hour time? (a) 11:35 a.m. (b) 9:35 a.m. (c) 9:35 p.m.
  10. 10.A train leaves at 06:45 and reaches at 09:25. How long is the journey (in minutes)?
  11. 11.A film is 4 hours 10 minutes long. How many minutes is that?
  12. 12.Write 8:10 a.m. in 24-hour time. (a) 08:10 (b) 20:10 (c) 10:10
  13. 13.A film is 1 hour 10 minutes long. How many minutes is that?
  14. 14.A train leaves at 12:35 and reaches at 15:10. How long is the journey (in minutes)?
  15. 15.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 11:20 (c) 23:20
  16. 16.How many hours are there from 11:00 to 23:00?
  17. 17.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 a.m. (c) 1:00 a.m.
  18. 18.A train leaves at 12:55 and reaches at 16:00. How long is the journey (in minutes)?
  19. 19.How many hours are there from 09:00 to 22:00?
  20. 20.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 7:50 a.m. (c) 5:50 a.m.
  21. 21.A match starts at 16:35 and lasts 4 hours 55 minutes. At what time does it end? (a) 22:30 (b) 20:30 (c) 21:30
  22. 22.What is 11:35 in 12-hour time? (a) 11:35 p.m. (b) 1:35 a.m. (c) 11:35 a.m.
  23. 23.How many hours are there from 10:00 to 21:00?
  24. 24.A match starts at 15:15 and lasts 2 hours 40 minutes. At what time does it end? (a) 18:55 (b) 16:55 (c) 17:55
  25. 25.What is 03:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 a.m. (c) 3:10 a.m.
  26. 26.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 9:45 p.m. (c) 11:45 a.m.
  27. 27.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45
  28. 28.A film is 1 hour 5 minutes long. How many minutes is that?
  29. 29.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 p.m. (c) 2:55 a.m.
  30. 30.How many hours are there from 12:00 to 22:00?
  31. 31.A film is 3 hours 20 minutes long. How many minutes is that?
  32. 32.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 13:45 (c) 11:45
  33. 33.A train leaves at 17:05 and reaches at 18:00. How long is the journey (in minutes)?
  34. 34.A train leaves at 07:05 and reaches at 08:15. How long is the journey (in minutes)?
  35. 35.How many hours are there from 06:00 to 23:00?
  36. 36.A train leaves at 07:35 and reaches at 08:45. How long is the journey (in minutes)?
  37. 37.A film is 3 hours 45 minutes long. How many minutes is that?
  38. 38.A train leaves at 15:35 and reaches at 16:15. How long is the journey (in minutes)?
  39. 39.Write 9:00 p.m. in 24-hour time. (a) 21:00 (b) 09:00 (c) 23:00
  40. 40.A train leaves at 11:55 and reaches at 14:10. How long is the journey (in minutes)?

Answer key

  1. 08:00
  2. 4
  3. 07:10
  4. 80
  5. 90
  6. 8:05 a.m.
  7. 11
  8. 4
  9. 9:35 a.m.
  10. 160
  11. 250
  12. 08:10
  13. 70
  14. 155
  15. 23:20
  16. 12
  17. 1:00 a.m.
  18. 185
  19. 13
  20. 5:50 a.m.
  21. 21:30
  22. 11:35 a.m.
  23. 11
  24. 17:55
  25. 3:10 a.m.
  26. 9:45 a.m.
  27. 03:45
  28. 65
  29. 2:55 p.m.
  30. 10
  31. 200
  32. 11:45
  33. 55
  34. 70
  35. 17
  36. 70
  37. 225
  38. 40
  39. 21:00
  40. 135

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