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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 737 · 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 train leaves at 14:40 and reaches at 15:25. How long is the journey (in minutes)?
  2. 2.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 09:05 (c) 21:05
  3. 3.A train leaves at 17:25 and reaches at 20:20. How long is the journey (in minutes)?
  4. 4.A film is 3 hours 50 minutes long. How many minutes is that?
  5. 5.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
  6. 6.What is 08:20 in 12-hour time? (a) 8:20 a.m. (b) 10:20 a.m. (c) 8:20 p.m.
  7. 7.Write 11:40 p.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 01:40
  8. 8.What is 04:15 in 12-hour time? (a) 4:15 a.m. (b) 6:15 a.m. (c) 4:15 p.m.
  9. 9.How many hours are there from 05:00 to 22:00?
  10. 10.A film is 1 hour 10 minutes long. How many minutes is that?
  11. 11.Write 6:40 a.m. in 24-hour time. (a) 06:40 (b) 18:40 (c) 08:40
  12. 12.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 14:25 (c) 02:25
  13. 13.A film is 2 hours 45 minutes long. How many minutes is that?
  14. 14.A train leaves at 19:25 and reaches at 22:15. How long is the journey (in minutes)?
  15. 15.How many hours are there from 12:00 to 16:00?
  16. 16.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 p.m. (c) 5:35 a.m.
  17. 17.A train leaves at 07:45 and reaches at 10:25. How long is the journey (in minutes)?
  18. 18.A film is 1 hour 15 minutes long. How many minutes is that?
  19. 19.How many hours are there from 08:00 to 12:00?
  20. 20.A match starts at 12:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 17:15 (b) 16:15 (c) 15:15
  21. 21.How many hours are there from 07:00 to 15:00?
  22. 22.What is 21:05 in 12-hour time? (a) 9:05 a.m. (b) 11:05 p.m. (c) 9:05 p.m.
  23. 23.A match starts at 09:50 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 14:05
  24. 24.How many hours are there from 08:00 to 13:00?
  25. 25.A match starts at 11:50 and lasts 3 hours 40 minutes. At what time does it end? (a) 14:30 (b) 15:30 (c) 16:30
  26. 26.How many hours are there from 09:00 to 12:00?
  27. 27.A match starts at 17:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 20:05
  28. 28.A film is 2 hours 15 minutes long. How many minutes is that?
  29. 29.A match starts at 15:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:00 (b) 19:00 (c) 20:00
  30. 30.How many hours are there from 10:00 to 14:00?
  31. 31.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 10:15 a.m. (c) 12:15 p.m.
  32. 32.How many hours are there from 05:00 to 16:00?
  33. 33.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 p.m. (c) 4:40 a.m.
  34. 34.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 10:05 (c) 08:05
  35. 35.Write 6:50 p.m. in 24-hour time. (a) 18:50 (b) 20:50 (c) 06:50
  36. 36.Write 7:40 p.m. in 24-hour time. (a) 07:40 (b) 21:40 (c) 19:40
  37. 37.Write 4:10 a.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 06:10
  38. 38.Write 1:30 p.m. in 24-hour time. (a) 13:30 (b) 01:30 (c) 15:30
  39. 39.What is 19:20 in 12-hour time? (a) 9:20 p.m. (b) 7:20 p.m. (c) 7:20 a.m.
  40. 40.What is 23:15 in 12-hour time? (a) 11:15 p.m. (b) 1:15 p.m. (c) 11:15 a.m.

Answer key

  1. 45
  2. 09:05
  3. 175
  4. 230
  5. 4:20 p.m.
  6. 8:20 a.m.
  7. 23:40
  8. 4:15 a.m.
  9. 17
  10. 70
  11. 06:40
  12. 14:25
  13. 165
  14. 170
  15. 4
  16. 5:35 p.m.
  17. 160
  18. 75
  19. 4
  20. 16:15
  21. 8
  22. 9:05 p.m.
  23. 13:05
  24. 5
  25. 15:30
  26. 3
  27. 19:05
  28. 135
  29. 19:00
  30. 4
  31. 10:15 p.m.
  32. 11
  33. 4:40 a.m.
  34. 08:05
  35. 18:50
  36. 19:40
  37. 04:10
  38. 13:30
  39. 7:20 p.m.
  40. 11:15 p.m.

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