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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 997 · 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 11:55 p.m. in 24-hour time. (a) 11:55 (b) 01:55 (c) 23:55
  2. 2.A train leaves at 11:10 and reaches at 14:20. How long is the journey (in minutes)?
  3. 3.A train leaves at 11:25 and reaches at 14:25. How long is the journey (in minutes)?
  4. 4.Write 5:15 p.m. in 24-hour time. (a) 17:15 (b) 05:15 (c) 19:15
  5. 5.What is 06:50 in 12-hour time? (a) 6:50 a.m. (b) 6:50 p.m. (c) 8:50 a.m.
  6. 6.Write 8:45 p.m. in 24-hour time. (a) 08:45 (b) 20:45 (c) 22:45
  7. 7.Write 8:15 a.m. in 24-hour time. (a) 08:15 (b) 20:15 (c) 10:15
  8. 8.How many hours are there from 08:00 to 16:00?
  9. 9.How many hours are there from 05:00 to 21:00?
  10. 10.A match starts at 08:35 and lasts 2 hours 25 minutes. At what time does it end? (a) 11:00 (b) 10:00 (c) 12:00
  11. 11.Write 7:30 a.m. in 24-hour time. (a) 19:30 (b) 09:30 (c) 07:30
  12. 12.A film is 3 hours 10 minutes long. How many minutes is that?
  13. 13.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 05:55
  14. 14.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 16:35 (c) 02:35
  15. 15.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
  16. 16.A film is 3 hours 15 minutes long. How many minutes is that?
  17. 17.A match starts at 09:40 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 15:30
  18. 18.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 02:15 (c) 14:15
  19. 19.A match starts at 09:55 and lasts 4 hours 30 minutes. At what time does it end? (a) 15:25 (b) 13:25 (c) 14:25
  20. 20.A train leaves at 09:20 and reaches at 12:25. How long is the journey (in minutes)?
  21. 21.A film is 4 hours 25 minutes long. How many minutes is that?
  22. 22.Write 6:00 a.m. in 24-hour time. (a) 08:00 (b) 18:00 (c) 06:00
  23. 23.A film is 2 hours 45 minutes long. How many minutes is that?
  24. 24.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 p.m. (c) 10:30 a.m.
  25. 25.What is 05:30 in 12-hour time? (a) 5:30 a.m. (b) 7:30 a.m. (c) 5:30 p.m.
  26. 26.How many hours are there from 08:00 to 12:00?
  27. 27.What is 21:15 in 12-hour time? (a) 9:15 a.m. (b) 11:15 p.m. (c) 9:15 p.m.
  28. 28.A film is 3 hours 25 minutes long. How many minutes is that?
  29. 29.A train leaves at 19:30 and reaches at 20:40. How long is the journey (in minutes)?
  30. 30.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 p.m. (c) 5:35 a.m.
  31. 31.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 10:50 (c) 22:50
  32. 32.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
  33. 33.What is 21:25 in 12-hour time? (a) 9:25 a.m. (b) 11:25 p.m. (c) 9:25 p.m.
  34. 34.What is 20:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 p.m.
  35. 35.How many hours are there from 09:00 to 19:00?
  36. 36.A match starts at 11:45 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:50 (b) 13:50 (c) 14:50
  37. 37.A match starts at 14:50 and lasts 4 hours 45 minutes. At what time does it end? (a) 20:35 (b) 19:35 (c) 18:35
  38. 38.How many hours are there from 08:00 to 10:00?
  39. 39.What is 05:55 in 12-hour time? (a) 7:55 a.m. (b) 5:55 a.m. (c) 5:55 p.m.
  40. 40.A match starts at 16:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15

Answer key

  1. 23:55
  2. 190
  3. 180
  4. 17:15
  5. 6:50 a.m.
  6. 20:45
  7. 08:15
  8. 8
  9. 16
  10. 11:00
  11. 07:30
  12. 190
  13. 03:55
  14. 14:35
  15. 01:10
  16. 195
  17. 14:30
  18. 14:15
  19. 14:25
  20. 185
  21. 265
  22. 06:00
  23. 165
  24. 10:30 p.m.
  25. 5:30 a.m.
  26. 4
  27. 9:15 p.m.
  28. 205
  29. 70
  30. 5:35 a.m.
  31. 10:50
  32. 6:10 p.m.
  33. 9:25 p.m.
  34. 8:15 p.m.
  35. 10
  36. 13:50
  37. 19:35
  38. 2
  39. 5:55 a.m.
  40. 19:15

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