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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 489 · 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 match starts at 11:05 and lasts 1 hour 10 minutes. At what time does it end? (a) 11:15 (b) 13:15 (c) 12:15
  2. 2.Write 1:25 p.m. in 24-hour time. (a) 15:25 (b) 13:25 (c) 01:25
  3. 3.How many hours are there from 08:00 to 16:00?
  4. 4.A match starts at 06:40 and lasts 2 hours 55 minutes. At what time does it end? (a) 09:35 (b) 08:35 (c) 10:35
  5. 5.A match starts at 18:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:55 (b) 22:55 (c) 23:55
  6. 6.What is 23:10 in 12-hour time? (a) 11:10 p.m. (b) 11:10 a.m. (c) 1:10 p.m.
  7. 7.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 04:35 (c) 02:35
  8. 8.A train leaves at 08:05 and reaches at 10:30. How long is the journey (in minutes)?
  9. 9.A match starts at 10:55 and lasts 1 hour. At what time does it end? (a) 11:55 (b) 10:55 (c) 12:55
  10. 10.What is 03:45 in 12-hour time? (a) 3:45 a.m. (b) 3:45 p.m. (c) 5:45 a.m.
  11. 11.A film is 2 hours 20 minutes long. How many minutes is that?
  12. 12.How many hours are there from 09:00 to 15:00?
  13. 13.A film is 3 hours 50 minutes long. How many minutes is that?
  14. 14.A train leaves at 19:10 and reaches at 20:10. How long is the journey (in minutes)?
  15. 15.What is 10:00 in 12-hour time? (a) 10:00 a.m. (b) 10:00 p.m. (c) 12:00 a.m.
  16. 16.What is 08:15 in 12-hour time? (a) 8:15 p.m. (b) 10:15 a.m. (c) 8:15 a.m.
  17. 17.A film is 3 hours 15 minutes long. How many minutes is that?
  18. 18.A film is 2 hours 15 minutes long. How many minutes is that?
  19. 19.A film is 1 hour 50 minutes long. How many minutes is that?
  20. 20.A film is 1 hour 10 minutes long. How many minutes is that?
  21. 21.A train leaves at 08:05 and reaches at 09:05. How long is the journey (in minutes)?
  22. 22.How many hours are there from 08:00 to 11:00?
  23. 23.A match starts at 17:55 and lasts 1 hour. At what time does it end? (a) 17:55 (b) 19:55 (c) 18:55
  24. 24.A match starts at 11:55 and lasts 3 hours. At what time does it end? (a) 15:55 (b) 14:55 (c) 13:55
  25. 25.Write 6:00 p.m. in 24-hour time. (a) 20:00 (b) 06:00 (c) 18:00
  26. 26.What is 21:00 in 12-hour time? (a) 9:00 p.m. (b) 9:00 a.m. (c) 11:00 p.m.
  27. 27.What is 01:25 in 12-hour time? (a) 3:25 a.m. (b) 1:25 a.m. (c) 1:25 p.m.
  28. 28.What is 17:50 in 12-hour time? (a) 5:50 p.m. (b) 7:50 p.m. (c) 5:50 a.m.
  29. 29.A match starts at 14:55 and lasts 2 hours 10 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
  30. 30.A film is 4 hours 40 minutes long. How many minutes is that?
  31. 31.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 p.m. (c) 7:15 p.m.
  32. 32.Write 6:15 p.m. in 24-hour time. (a) 06:15 (b) 20:15 (c) 18:15
  33. 33.Write 7:10 p.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 21:10
  34. 34.Write 1:45 a.m. in 24-hour time. (a) 01:45 (b) 03:45 (c) 13:45
  35. 35.A match starts at 11:55 and lasts 2 hours 35 minutes. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
  36. 36.How many hours are there from 12:00 to 14:00?
  37. 37.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 13:45 (c) 11:45
  38. 38.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 21:55 (c) 23:55
  39. 39.What is 21:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 p.m. (c) 9:45 p.m.
  40. 40.What is 06:15 in 12-hour time? (a) 8:15 a.m. (b) 6:15 a.m. (c) 6:15 p.m.

Answer key

  1. 12:15
  2. 13:25
  3. 8
  4. 09:35
  5. 22:55
  6. 11:10 p.m.
  7. 02:35
  8. 145
  9. 11:55
  10. 3:45 a.m.
  11. 140
  12. 6
  13. 230
  14. 60
  15. 10:00 a.m.
  16. 8:15 a.m.
  17. 195
  18. 135
  19. 110
  20. 70
  21. 60
  22. 3
  23. 18:55
  24. 14:55
  25. 18:00
  26. 9:00 p.m.
  27. 1:25 a.m.
  28. 5:50 p.m.
  29. 17:05
  30. 280
  31. 7:15 p.m.
  32. 18:15
  33. 19:10
  34. 01:45
  35. 14:30
  36. 2
  37. 11:45
  38. 21:55
  39. 9:45 p.m.
  40. 6:15 a.m.

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