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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 773 · 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 15:35 and reaches at 17:55. How long is the journey (in minutes)?
  2. 2.A train leaves at 07:45 and reaches at 11:05. How long is the journey (in minutes)?
  3. 3.A film is 4 hours 35 minutes long. How many minutes is that?
  4. 4.A film is 4 hours 5 minutes long. How many minutes is that?
  5. 5.A film is 1 hour 10 minutes long. How many minutes is that?
  6. 6.A match starts at 12:45 and lasts 4 hours 25 minutes. At what time does it end? (a) 16:10 (b) 17:10 (c) 18:10
  7. 7.A match starts at 11:25 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:40 (b) 13:40 (c) 12:40
  8. 8.A train leaves at 08:20 and reaches at 08:50. How long is the journey (in minutes)?
  9. 9.A match starts at 14:45 and lasts 1 hour 10 minutes. At what time does it end? (a) 15:55 (b) 14:55 (c) 16:55
  10. 10.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 a.m. (c) 1:00 p.m.
  11. 11.How many hours are there from 11:00 to 23:00?
  12. 12.Write 11:55 p.m. in 24-hour time. (a) 11:55 (b) 01:55 (c) 23:55
  13. 13.A train leaves at 15:10 and reaches at 17:10. How long is the journey (in minutes)?
  14. 14.What is 17:40 in 12-hour time? (a) 5:40 p.m. (b) 5:40 a.m. (c) 7:40 p.m.
  15. 15.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
  16. 16.A film is 1 hour 35 minutes long. How many minutes is that?
  17. 17.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 10:10 (c) 08:10
  18. 18.Write 7:30 p.m. in 24-hour time. (a) 21:30 (b) 19:30 (c) 07:30
  19. 19.A train leaves at 09:20 and reaches at 09:50. How long is the journey (in minutes)?
  20. 20.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 13:20 (c) 03:20
  21. 21.A film is 3 hours 20 minutes long. How many minutes is that?
  22. 22.A match starts at 16:55 and lasts 2 hours 30 minutes. At what time does it end? (a) 18:25 (b) 20:25 (c) 19:25
  23. 23.What is 08:20 in 12-hour time? (a) 8:20 a.m. (b) 10:20 a.m. (c) 8:20 p.m.
  24. 24.How many hours are there from 09:00 to 13:00?
  25. 25.What is 15:25 in 12-hour time? (a) 3:25 p.m. (b) 3:25 a.m. (c) 5:25 p.m.
  26. 26.A train leaves at 19:15 and reaches at 19:40. How long is the journey (in minutes)?
  27. 27.A match starts at 15:40 and lasts 4 hours 15 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 20:55
  28. 28.A match starts at 12:20 and lasts 4 hours 40 minutes. At what time does it end? (a) 18:00 (b) 16:00 (c) 17:00
  29. 29.What is 07:35 in 12-hour time? (a) 7:35 a.m. (b) 9:35 a.m. (c) 7:35 p.m.
  30. 30.A train leaves at 19:05 and reaches at 22:15. How long is the journey (in minutes)?
  31. 31.A film is 1 hour 15 minutes long. How many minutes is that?
  32. 32.Write 10:00 p.m. in 24-hour time. (a) 10:00 (b) 00:00 (c) 22:00
  33. 33.A train leaves at 17:50 and reaches at 20:00. How long is the journey (in minutes)?
  34. 34.A match starts at 17:55 and lasts 2 hours 25 minutes. At what time does it end? (a) 21:20 (b) 20:20 (c) 19:20
  35. 35.How many hours are there from 11:00 to 18:00?
  36. 36.How many hours are there from 12:00 to 19:00?
  37. 37.A match starts at 15:40 and lasts 3 hours 15 minutes. At what time does it end? (a) 18:55 (b) 19:55 (c) 17:55
  38. 38.Write 2:55 a.m. in 24-hour time. (a) 14:55 (b) 04:55 (c) 02:55
  39. 39.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 22:35
  40. 40.What is 21:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 p.m. (c) 9:45 p.m.

Answer key

  1. 140
  2. 200
  3. 275
  4. 245
  5. 70
  6. 17:10
  7. 12:40
  8. 30
  9. 15:55
  10. 1:00 a.m.
  11. 12
  12. 23:55
  13. 120
  14. 5:40 p.m.
  15. 03:45
  16. 95
  17. 08:10
  18. 19:30
  19. 30
  20. 01:20
  21. 200
  22. 19:25
  23. 8:20 a.m.
  24. 4
  25. 3:25 p.m.
  26. 25
  27. 19:55
  28. 17:00
  29. 7:35 a.m.
  30. 190
  31. 75
  32. 22:00
  33. 130
  34. 20:20
  35. 7
  36. 7
  37. 18:55
  38. 02:55
  39. 20:35
  40. 9:45 p.m.

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