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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 497 · 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 18:50 and lasts 2 hours 25 minutes. At what time does it end? (a) 22:15 (b) 20:15 (c) 21:15
  2. 2.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 p.m. (c) 8:25 a.m.
  3. 3.A train leaves at 16:50 and reaches at 18:35. How long is the journey (in minutes)?
  4. 4.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 p.m. (c) 4:25 p.m.
  5. 5.A match starts at 13:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:25 (b) 15:25 (c) 14:25
  6. 6.A train leaves at 12:15 and reaches at 15:25. How long is the journey (in minutes)?
  7. 7.What is 07:55 in 12-hour time? (a) 9:55 a.m. (b) 7:55 p.m. (c) 7:55 a.m.
  8. 8.A match starts at 12:05 and lasts 4 hours 5 minutes. At what time does it end? (a) 15:10 (b) 16:10 (c) 17:10
  9. 9.A train leaves at 18:00 and reaches at 19:00. How long is the journey (in minutes)?
  10. 10.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 p.m. (c) 8:55 p.m.
  11. 11.Write 5:30 a.m. in 24-hour time. (a) 17:30 (b) 05:30 (c) 07:30
  12. 12.How many hours are there from 12:00 to 14:00?
  13. 13.A film is 4 hours 45 minutes long. How many minutes is that?
  14. 14.A film is 1 hour 15 minutes long. How many minutes is that?
  15. 15.A match starts at 08:15 and lasts 2 hours 45 minutes. At what time does it end? (a) 12:00 (b) 10:00 (c) 11:00
  16. 16.A train leaves at 08:20 and reaches at 08:55. How long is the journey (in minutes)?
  17. 17.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 p.m.
  18. 18.A train leaves at 13:10 and reaches at 14:40. How long is the journey (in minutes)?
  19. 19.A match starts at 14:35 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:45 (b) 17:45 (c) 15:45
  20. 20.A train leaves at 12:40 and reaches at 13:15. How long is the journey (in minutes)?
  21. 21.What is 15:35 in 12-hour time? (a) 5:35 p.m. (b) 3:35 p.m. (c) 3:35 a.m.
  22. 22.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 a.m. (c) 6:50 a.m.
  23. 23.How many hours are there from 05:00 to 21:00?
  24. 24.What is 01:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 a.m.
  25. 25.A match starts at 06:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 09:00 (b) 08:00 (c) 10:00
  26. 26.What is 17:10 in 12-hour time? (a) 5:10 p.m. (b) 5:10 a.m. (c) 7:10 p.m.
  27. 27.A film is 4 hours 50 minutes long. How many minutes is that?
  28. 28.How many hours are there from 12:00 to 19:00?
  29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
  30. 30.A film is 4 hours 15 minutes long. How many minutes is that?
  31. 31.A train leaves at 10:30 and reaches at 12:10. How long is the journey (in minutes)?
  32. 32.Write 6:55 a.m. in 24-hour time. (a) 06:55 (b) 08:55 (c) 18:55
  33. 33.Write 4:50 p.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 18:50
  34. 34.A film is 1 hour 55 minutes long. How many minutes is that?
  35. 35.A match starts at 06:45 and lasts 4 hours 45 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 10:30
  36. 36.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 02:35 (c) 14:35
  37. 37.How many hours are there from 05:00 to 13:00?
  38. 38.A film is 1 hour 40 minutes long. How many minutes is that?
  39. 39.A train leaves at 09:20 and reaches at 12:05. How long is the journey (in minutes)?
  40. 40.A match starts at 17:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45

Answer key

  1. 21:15
  2. 8:25 a.m.
  3. 105
  4. 4:25 p.m.
  5. 15:25
  6. 190
  7. 7:55 a.m.
  8. 16:10
  9. 60
  10. 8:55 p.m.
  11. 05:30
  12. 2
  13. 285
  14. 75
  15. 11:00
  16. 35
  17. 3:40 p.m.
  18. 90
  19. 16:45
  20. 35
  21. 3:35 p.m.
  22. 6:50 a.m.
  23. 16
  24. 1:15 a.m.
  25. 09:00
  26. 5:10 p.m.
  27. 290
  28. 7
  29. 70
  30. 255
  31. 100
  32. 06:55
  33. 16:50
  34. 115
  35. 11:30
  36. 14:35
  37. 8
  38. 100
  39. 165
  40. 18:45

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