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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 850 · 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 10:00 to 20:00?
  2. 2.A film is 4 hours 30 minutes long. How many minutes is that?
  3. 3.A film is 3 hours 25 minutes long. How many minutes is that?
  4. 4.How many hours are there from 11:00 to 19:00?
  5. 5.Write 6:25 p.m. in 24-hour time. (a) 18:25 (b) 20:25 (c) 06:25
  6. 6.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 10:25
  7. 7.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 11:10
  8. 8.A train leaves at 19:50 and reaches at 20:20. How long is the journey (in minutes)?
  9. 9.How many hours are there from 05:00 to 15:00?
  10. 10.A match starts at 12:05 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:55 (b) 16:55 (c) 15:55
  11. 11.A match starts at 11:10 and lasts 4 hours 30 minutes. At what time does it end? (a) 14:40 (b) 16:40 (c) 15:40
  12. 12.A match starts at 12:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:25 (b) 15:25 (c) 14:25
  13. 13.A match starts at 13:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 15:10 (b) 16:10 (c) 17:10
  14. 14.A film is 2 hours 5 minutes long. How many minutes is that?
  15. 15.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 a.m.
  16. 16.A match starts at 17:05 and lasts 4 hours 50 minutes. At what time does it end? (a) 20:55 (b) 22:55 (c) 21:55
  17. 17.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 14:20 (c) 16:20
  18. 18.A film is 3 hours 15 minutes long. How many minutes is that?
  19. 19.A match starts at 06:40 and lasts 4 hours 25 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 10:05
  20. 20.What is 14:35 in 12-hour time? (a) 2:35 a.m. (b) 2:35 p.m. (c) 4:35 p.m.
  21. 21.A train leaves at 08:00 and reaches at 09:20. How long is the journey (in minutes)?
  22. 22.How many hours are there from 10:00 to 16:00?
  23. 23.A train leaves at 09:05 and reaches at 10:10. How long is the journey (in minutes)?
  24. 24.Write 9:05 p.m. in 24-hour time. (a) 21:05 (b) 23:05 (c) 09:05
  25. 25.A match starts at 14:25 and lasts 3 hours 30 minutes. At what time does it end? (a) 18:55 (b) 16:55 (c) 17:55
  26. 26.A match starts at 08:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 08:45 (b) 09:45 (c) 10:45
  27. 27.Write 11:50 p.m. in 24-hour time. (a) 11:50 (b) 23:50 (c) 01:50
  28. 28.What is 08:30 in 12-hour time? (a) 8:30 a.m. (b) 10:30 a.m. (c) 8:30 p.m.
  29. 29.A film is 4 hours 35 minutes long. How many minutes is that?
  30. 30.What is 04:15 in 12-hour time? (a) 4:15 p.m. (b) 4:15 a.m. (c) 6:15 a.m.
  31. 31.How many hours are there from 09:00 to 17:00?
  32. 32.Write 6:35 p.m. in 24-hour time. (a) 20:35 (b) 18:35 (c) 06:35
  33. 33.What is 14:25 in 12-hour time? (a) 4:25 p.m. (b) 2:25 p.m. (c) 2:25 a.m.
  34. 34.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 22:40 (c) 08:40
  35. 35.A match starts at 15:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 19:05
  36. 36.A match starts at 14:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:40 (b) 16:40 (c) 15:40
  37. 37.Write 5:50 a.m. in 24-hour time. (a) 17:50 (b) 07:50 (c) 05:50
  38. 38.A train leaves at 15:10 and reaches at 18:25. How long is the journey (in minutes)?
  39. 39.A match starts at 15:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 17:55 (b) 16:55 (c) 15:55
  40. 40.How many hours are there from 06:00 to 16:00?

Answer key

  1. 10
  2. 270
  3. 205
  4. 8
  5. 18:25
  6. 08:25
  7. 09:10
  8. 30
  9. 10
  10. 15:55
  11. 15:40
  12. 14:25
  13. 16:10
  14. 125
  15. 1:05 a.m.
  16. 21:55
  17. 14:20
  18. 195
  19. 11:05
  20. 2:35 p.m.
  21. 80
  22. 6
  23. 65
  24. 21:05
  25. 17:55
  26. 09:45
  27. 23:50
  28. 8:30 a.m.
  29. 275
  30. 4:15 a.m.
  31. 8
  32. 18:35
  33. 2:25 p.m.
  34. 20:40
  35. 18:05
  36. 16:40
  37. 05:50
  38. 195
  39. 16:55
  40. 10

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