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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 138 · 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 film is 2 hours 35 minutes long. How many minutes is that?
  2. 2.How many hours are there from 08:00 to 15:00?
  3. 3.Write 1:00 p.m. in 24-hour time. (a) 13:00 (b) 01:00 (c) 15:00
  4. 4.A film is 4 hours 15 minutes long. How many minutes is that?
  5. 5.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 01:20 (c) 15:20
  6. 6.Write 2:35 p.m. in 24-hour time. (a) 02:35 (b) 16:35 (c) 14:35
  7. 7.How many hours are there from 09:00 to 22:00?
  8. 8.How many hours are there from 08:00 to 14:00?
  9. 9.A film is 1 hour 45 minutes long. How many minutes is that?
  10. 10.A match starts at 16:35 and lasts 2 hours 50 minutes. At what time does it end? (a) 18:25 (b) 20:25 (c) 19:25
  11. 11.How many hours are there from 08:00 to 18:00?
  12. 12.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 a.m. (c) 4:35 p.m.
  13. 13.How many hours are there from 11:00 to 18:00?
  14. 14.What is 22:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 p.m. (c) 10:35 p.m.
  15. 15.How many hours are there from 12:00 to 18:00?
  16. 16.A match starts at 06:45 and lasts 2 hours 10 minutes. At what time does it end? (a) 08:55 (b) 07:55 (c) 09:55
  17. 17.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
  18. 18.What is 23:55 in 12-hour time? (a) 1:55 p.m. (b) 11:55 a.m. (c) 11:55 p.m.
  19. 19.A match starts at 09:00 and lasts 3 hours 25 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 11:25
  20. 20.How many hours are there from 05:00 to 07:00?
  21. 21.A film is 1 hour 20 minutes long. How many minutes is that?
  22. 22.What is 21:15 in 12-hour time? (a) 11:15 p.m. (b) 9:15 p.m. (c) 9:15 a.m.
  23. 23.Write 6:30 a.m. in 24-hour time. (a) 08:30 (b) 06:30 (c) 18:30
  24. 24.How many hours are there from 07:00 to 18:00?
  25. 25.A train leaves at 12:10 and reaches at 13:20. How long is the journey (in minutes)?
  26. 26.How many hours are there from 07:00 to 17:00?
  27. 27.How many hours are there from 05:00 to 19:00?
  28. 28.Write 7:50 p.m. in 24-hour time. (a) 21:50 (b) 07:50 (c) 19:50
  29. 29.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 a.m. (c) 2:00 p.m.
  30. 30.A train leaves at 06:55 and reaches at 09:45. How long is the journey (in minutes)?
  31. 31.How many hours are there from 05:00 to 08:00?
  32. 32.A train leaves at 06:15 and reaches at 07:45. How long is the journey (in minutes)?
  33. 33.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 00:15 (c) 22:15
  34. 34.A match starts at 14:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:35 (b) 18:35 (c) 16:35
  35. 35.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 p.m. (c) 3:35 a.m.
  36. 36.A train leaves at 13:00 and reaches at 15:40. How long is the journey (in minutes)?
  37. 37.A film is 2 hours 40 minutes long. How many minutes is that?
  38. 38.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 07:30 (c) 19:30
  39. 39.A match starts at 08:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 11:50 (b) 13:50 (c) 12:50
  40. 40.Write 8:30 a.m. in 24-hour time. (a) 10:30 (b) 20:30 (c) 08:30

Answer key

  1. 155
  2. 7
  3. 13:00
  4. 255
  5. 13:20
  6. 14:35
  7. 13
  8. 6
  9. 105
  10. 19:25
  11. 10
  12. 4:35 p.m.
  13. 7
  14. 10:35 p.m.
  15. 6
  16. 08:55
  17. 01:10
  18. 11:55 p.m.
  19. 12:25
  20. 2
  21. 80
  22. 9:15 p.m.
  23. 06:30
  24. 11
  25. 70
  26. 10
  27. 14
  28. 19:50
  29. 2:00 a.m.
  30. 170
  31. 3
  32. 90
  33. 22:15
  34. 17:35
  35. 3:35 a.m.
  36. 160
  37. 160
  38. 07:30
  39. 12:50
  40. 08:30

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