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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 874 · 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 12:00 to 23:00?
  2. 2.How many hours are there from 12:00 to 20:00?
  3. 3.A match starts at 16:40 and lasts 4 hours 20 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 20:00
  4. 4.A match starts at 10:50 and lasts 4 hours 20 minutes. At what time does it end? (a) 14:10 (b) 16:10 (c) 15:10
  5. 5.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 16:15
  6. 6.How many hours are there from 07:00 to 18:00?
  7. 7.What is 18:00 in 12-hour time? (a) 6:00 a.m. (b) 6:00 p.m. (c) 8:00 p.m.
  8. 8.Write 1:35 p.m. in 24-hour time. (a) 01:35 (b) 13:35 (c) 15:35
  9. 9.How many hours are there from 07:00 to 23:00?
  10. 10.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 17:10 (c) 05:10
  11. 11.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 a.m.
  12. 12.A match starts at 09:15 and lasts 3 hours 55 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
  13. 13.Write 10:25 a.m. in 24-hour time. (a) 12:25 (b) 22:25 (c) 10:25
  14. 14.A film is 4 hours 10 minutes long. How many minutes is that?
  15. 15.How many hours are there from 09:00 to 12:00?
  16. 16.A train leaves at 13:30 and reaches at 16:30. How long is the journey (in minutes)?
  17. 17.Write 9:25 p.m. in 24-hour time. (a) 21:25 (b) 09:25 (c) 23:25
  18. 18.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 5:15 p.m. (c) 3:15 p.m.
  19. 19.How many hours are there from 06:00 to 20:00?
  20. 20.Write 2:30 a.m. in 24-hour time. (a) 04:30 (b) 02:30 (c) 14:30
  21. 21.What is 09:05 in 12-hour time? (a) 9:05 a.m. (b) 11:05 a.m. (c) 9:05 p.m.
  22. 22.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 08:05 (c) 10:05
  23. 23.A match starts at 15:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:30 (b) 17:30 (c) 18:30
  24. 24.How many hours are there from 06:00 to 17:00?
  25. 25.How many hours are there from 10:00 to 13:00?
  26. 26.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 a.m. (c) 4:30 p.m.
  27. 27.What is 02:55 in 12-hour time? (a) 4:55 a.m. (b) 2:55 a.m. (c) 2:55 p.m.
  28. 28.What is 13:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 p.m. (c) 1:40 a.m.
  29. 29.How many hours are there from 06:00 to 21:00?
  30. 30.How many hours are there from 09:00 to 11:00?
  31. 31.A train leaves at 19:25 and reaches at 20:25. How long is the journey (in minutes)?
  32. 32.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
  33. 33.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
  34. 34.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 14:10 (c) 02:10
  35. 35.A match starts at 15:35 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:50 (b) 16:50 (c) 18:50
  36. 36.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 21:50 (c) 07:50
  37. 37.A film is 2 hours 50 minutes long. How many minutes is that?
  38. 38.How many hours are there from 11:00 to 21:00?
  39. 39.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
  40. 40.What is 17:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 p.m. (c) 5:30 a.m.

Answer key

  1. 11
  2. 8
  3. 21:00
  4. 15:10
  5. 14:15
  6. 11
  7. 6:00 p.m.
  8. 13:35
  9. 16
  10. 05:10
  11. 7:20 a.m.
  12. 13:10
  13. 10:25
  14. 250
  15. 3
  16. 180
  17. 21:25
  18. 3:15 p.m.
  19. 14
  20. 02:30
  21. 9:05 a.m.
  22. 08:05
  23. 17:30
  24. 11
  25. 3
  26. 4:30 p.m.
  27. 2:55 a.m.
  28. 1:40 p.m.
  29. 15
  30. 2
  31. 60
  32. 1:05 p.m.
  33. 06:10
  34. 02:10
  35. 17:50
  36. 19:50
  37. 170
  38. 10
  39. 2:25 p.m.
  40. 5:30 p.m.

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