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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 685 · 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 9:25 p.m. in 24-hour time. (a) 21:25 (b) 23:25 (c) 09:25
  2. 2.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 p.m. (c) 3:15 a.m.
  3. 3.A match starts at 13:05 and lasts 2 hours 55 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 15:00
  4. 4.A film is 3 hours 15 minutes long. How many minutes is that?
  5. 5.What is 09:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 a.m. (c) 9:20 a.m.
  6. 6.Write 7:00 p.m. in 24-hour time. (a) 19:00 (b) 21:00 (c) 07:00
  7. 7.A match starts at 10:40 and lasts 2 hours 35 minutes. At what time does it end? (a) 12:15 (b) 13:15 (c) 14:15
  8. 8.Write 1:40 a.m. in 24-hour time. (a) 13:40 (b) 03:40 (c) 01:40
  9. 9.A film is 3 hours 50 minutes long. How many minutes is that?
  10. 10.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 08:40 (c) 06:40
  11. 11.How many hours are there from 08:00 to 12:00?
  12. 12.A film is 3 hours 40 minutes long. How many minutes is that?
  13. 13.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 01:05 (c) 13:05
  14. 14.How many hours are there from 11:00 to 23:00?
  15. 15.A train leaves at 14:45 and reaches at 15:15. How long is the journey (in minutes)?
  16. 16.What is 05:00 in 12-hour time? (a) 5:00 p.m. (b) 5:00 a.m. (c) 7:00 a.m.
  17. 17.A match starts at 10:05 and lasts 2 hours. At what time does it end? (a) 13:05 (b) 11:05 (c) 12:05
  18. 18.A film is 3 hours 30 minutes long. How many minutes is that?
  19. 19.How many hours are there from 07:00 to 14:00?
  20. 20.What is 21:55 in 12-hour time? (a) 11:55 p.m. (b) 9:55 p.m. (c) 9:55 a.m.
  21. 21.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 02:05 (c) 14:05
  22. 22.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 09:10 (c) 19:10
  23. 23.What is 15:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 p.m.
  24. 24.A train leaves at 08:20 and reaches at 11:40. How long is the journey (in minutes)?
  25. 25.A match starts at 18:10 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:40 (b) 20:40 (c) 22:40
  26. 26.Write 2:10 a.m. in 24-hour time. (a) 02:10 (b) 14:10 (c) 04:10
  27. 27.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 a.m. (c) 4:05 p.m.
  28. 28.A train leaves at 12:05 and reaches at 12:55. How long is the journey (in minutes)?
  29. 29.A match starts at 07:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 11:20 (b) 13:20 (c) 12:20
  30. 30.What is 18:05 in 12-hour time? (a) 6:05 p.m. (b) 6:05 a.m. (c) 8:05 p.m.
  31. 31.A match starts at 10:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 11:35
  32. 32.A film is 2 hours 45 minutes long. How many minutes is that?
  33. 33.A match starts at 14:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 19:50 (b) 17:50 (c) 18:50
  34. 34.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 22:05
  35. 35.What is 14:50 in 12-hour time? (a) 2:50 p.m. (b) 2:50 a.m. (c) 4:50 p.m.
  36. 36.A film is 4 hours 45 minutes long. How many minutes is that?
  37. 37.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 p.m.
  38. 38.A film is 1 hour 5 minutes long. How many minutes is that?
  39. 39.How many hours are there from 11:00 to 19:00?
  40. 40.Write 10:15 a.m. in 24-hour time. (a) 22:15 (b) 10:15 (c) 12:15

Answer key

  1. 21:25
  2. 3:15 a.m.
  3. 16:00
  4. 195
  5. 9:20 a.m.
  6. 19:00
  7. 13:15
  8. 01:40
  9. 230
  10. 06:40
  11. 4
  12. 220
  13. 01:05
  14. 12
  15. 30
  16. 5:00 a.m.
  17. 12:05
  18. 210
  19. 7
  20. 9:55 p.m.
  21. 14:05
  22. 07:10
  23. 3:05 p.m.
  24. 200
  25. 21:40
  26. 02:10
  27. 4:05 p.m.
  28. 50
  29. 12:20
  30. 6:05 p.m.
  31. 12:35
  32. 165
  33. 18:50
  34. 20:05
  35. 2:50 p.m.
  36. 285
  37. 11:50 p.m.
  38. 65
  39. 8
  40. 10:15

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