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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 594 · 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 10:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 a.m. (c) 10:50 a.m.
  2. 2.A train leaves at 12:15 and reaches at 14:10. How long is the journey (in minutes)?
  3. 3.A match starts at 07:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:35 (b) 07:35 (c) 08:35
  4. 4.A match starts at 10:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 12:00 (b) 14:00 (c) 13:00
  5. 5.What is 09:10 in 12-hour time? (a) 9:10 p.m. (b) 11:10 a.m. (c) 9:10 a.m.
  6. 6.A train leaves at 12:50 and reaches at 13:45. How long is the journey (in minutes)?
  7. 7.How many hours are there from 06:00 to 23:00?
  8. 8.A film is 4 hours 5 minutes long. How many minutes is that?
  9. 9.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 a.m. (c) 2:40 p.m.
  10. 10.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 20:10 (c) 08:10
  11. 11.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 p.m. (c) 1:05 a.m.
  12. 12.A film is 3 hours 55 minutes long. How many minutes is that?
  13. 13.What is 02:45 in 12-hour time? (a) 2:45 a.m. (b) 2:45 p.m. (c) 4:45 a.m.
  14. 14.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 16:15
  15. 15.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 23:00 (c) 11:00
  16. 16.A film is 4 hours 10 minutes long. How many minutes is that?
  17. 17.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 p.m.
  18. 18.How many hours are there from 06:00 to 11:00?
  19. 19.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 23:50 (c) 13:50
  20. 20.Write 2:40 a.m. in 24-hour time. (a) 02:40 (b) 14:40 (c) 04:40
  21. 21.What is 23:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 p.m.
  22. 22.How many hours are there from 12:00 to 14:00?
  23. 23.What is 19:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 p.m. (c) 7:40 a.m.
  24. 24.A match starts at 07:40 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:15 (b) 12:15 (c) 11:15
  25. 25.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 p.m. (c) 10:05 a.m.
  26. 26.A film is 2 hours 25 minutes long. How many minutes is that?
  27. 27.Write 1:50 a.m. in 24-hour time. (a) 03:50 (b) 13:50 (c) 01:50
  28. 28.A train leaves at 06:10 and reaches at 06:50. How long is the journey (in minutes)?
  29. 29.A match starts at 15:40 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:50 (b) 18:50 (c) 17:50
  30. 30.A train leaves at 15:30 and reaches at 17:10. How long is the journey (in minutes)?
  31. 31.A train leaves at 12:00 and reaches at 14:30. How long is the journey (in minutes)?
  32. 32.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 10:55
  33. 33.A film is 1 hour 35 minutes long. How many minutes is that?
  34. 34.Write 11:15 p.m. in 24-hour time. (a) 01:15 (b) 23:15 (c) 11:15
  35. 35.A train leaves at 14:35 and reaches at 15:00. How long is the journey (in minutes)?
  36. 36.A match starts at 07:05 and lasts 1 hour 25 minutes. At what time does it end? (a) 07:30 (b) 09:30 (c) 08:30
  37. 37.What is 23:55 in 12-hour time? (a) 1:55 p.m. (b) 11:55 p.m. (c) 11:55 a.m.
  38. 38.A film is 1 hour 10 minutes long. How many minutes is that?
  39. 39.What is 22:30 in 12-hour time? (a) 10:30 a.m. (b) 12:30 p.m. (c) 10:30 p.m.
  40. 40.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 p.m. (c) 3:15 a.m.

Answer key

  1. 10:50 a.m.
  2. 115
  3. 08:35
  4. 13:00
  5. 9:10 a.m.
  6. 55
  7. 17
  8. 245
  9. 2:40 a.m.
  10. 08:10
  11. 1:05 p.m.
  12. 235
  13. 2:45 a.m.
  14. 14:15
  15. 23:00
  16. 250
  17. 2:05 p.m.
  18. 5
  19. 11:50
  20. 02:40
  21. 11:15 p.m.
  22. 2
  23. 7:40 p.m.
  24. 11:15
  25. 10:05 p.m.
  26. 145
  27. 01:50
  28. 40
  29. 17:50
  30. 100
  31. 150
  32. 08:55
  33. 95
  34. 23:15
  35. 25
  36. 08:30
  37. 11:55 p.m.
  38. 70
  39. 10:30 p.m.
  40. 3:15 a.m.

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