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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 680 · 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.What is 23:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 p.m. (c) 11:45 a.m.
  2. 2.A film is 4 hours 10 minutes long. How many minutes is that?
  3. 3.What is 03:25 in 12-hour time? (a) 5:25 a.m. (b) 3:25 p.m. (c) 3:25 a.m.
  4. 4.What is 11:20 in 12-hour time? (a) 1:20 a.m. (b) 11:20 a.m. (c) 11:20 p.m.
  5. 5.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 10:45 (c) 08:45
  6. 6.A film is 2 hours 5 minutes long. How many minutes is that?
  7. 7.Write 6:15 a.m. in 24-hour time. (a) 08:15 (b) 06:15 (c) 18:15
  8. 8.How many hours are there from 09:00 to 13:00?
  9. 9.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 3:30 p.m. (c) 1:30 p.m.
  10. 10.A train leaves at 15:05 and reaches at 16:05. How long is the journey (in minutes)?
  11. 11.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
  12. 12.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 10:20 (c) 22:20
  13. 13.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 03:50 (c) 13:50
  14. 14.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 1:10 p.m. (c) 3:10 p.m.
  15. 15.How many hours are there from 11:00 to 21:00?
  16. 16.How many hours are there from 05:00 to 10:00?
  17. 17.A match starts at 10:50 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 12:10
  18. 18.A film is 4 hours 55 minutes long. How many minutes is that?
  19. 19.A film is 3 hours 20 minutes long. How many minutes is that?
  20. 20.A film is 4 hours 45 minutes long. How many minutes is that?
  21. 21.A train leaves at 09:15 and reaches at 11:30. How long is the journey (in minutes)?
  22. 22.How many hours are there from 06:00 to 09:00?
  23. 23.What is 22:35 in 12-hour time? (a) 12:35 p.m. (b) 10:35 a.m. (c) 10:35 p.m.
  24. 24.Write 9:25 a.m. in 24-hour time. (a) 21:25 (b) 11:25 (c) 09:25
  25. 25.Write 7:25 p.m. in 24-hour time. (a) 21:25 (b) 07:25 (c) 19:25
  26. 26.What is 02:50 in 12-hour time? (a) 4:50 a.m. (b) 2:50 a.m. (c) 2:50 p.m.
  27. 27.Write 11:35 a.m. in 24-hour time. (a) 23:35 (b) 11:35 (c) 13:35
  28. 28.A match starts at 08:25 and lasts 4 hours 55 minutes. At what time does it end? (a) 14:20 (b) 13:20 (c) 12:20
  29. 29.A film is 2 hours 40 minutes long. How many minutes is that?
  30. 30.What is 19:55 in 12-hour time? (a) 7:55 a.m. (b) 9:55 p.m. (c) 7:55 p.m.
  31. 31.A match starts at 09:30 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 11:45
  32. 32.How many hours are there from 08:00 to 23:00?
  33. 33.A film is 4 hours 5 minutes long. How many minutes is that?
  34. 34.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 2:00 p.m. (c) 4:00 a.m.
  35. 35.How many hours are there from 06:00 to 12:00?
  36. 36.How many hours are there from 05:00 to 19:00?
  37. 37.A train leaves at 09:30 and reaches at 12:40. How long is the journey (in minutes)?
  38. 38.How many hours are there from 05:00 to 13:00?
  39. 39.What is 14:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 p.m. (c) 2:00 a.m.
  40. 40.Write 8:55 p.m. in 24-hour time. (a) 08:55 (b) 22:55 (c) 20:55

Answer key

  1. 11:45 p.m.
  2. 250
  3. 3:25 a.m.
  4. 11:20 a.m.
  5. 08:45
  6. 125
  7. 06:15
  8. 4
  9. 1:30 p.m.
  10. 60
  11. 20:35
  12. 22:20
  13. 01:50
  14. 1:10 p.m.
  15. 10
  16. 5
  17. 13:10
  18. 295
  19. 200
  20. 285
  21. 135
  22. 3
  23. 10:35 p.m.
  24. 09:25
  25. 19:25
  26. 2:50 a.m.
  27. 11:35
  28. 13:20
  29. 160
  30. 7:55 p.m.
  31. 12:45
  32. 15
  33. 245
  34. 2:00 a.m.
  35. 6
  36. 14
  37. 190
  38. 8
  39. 2:00 p.m.
  40. 20:55

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