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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 771 · 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 18:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 21:30 (b) 20:30 (c) 22:30
  2. 2.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 5:40 p.m. (c) 7:40 p.m.
  3. 3.How many hours are there from 05:00 to 19:00?
  4. 4.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 15:20 (c) 03:20
  5. 5.A train leaves at 07:45 and reaches at 09:50. How long is the journey (in minutes)?
  6. 6.A film is 3 hours 35 minutes long. How many minutes is that?
  7. 7.How many hours are there from 09:00 to 12:00?
  8. 8.A train leaves at 06:45 and reaches at 10:05. How long is the journey (in minutes)?
  9. 9.Write 4:35 p.m. in 24-hour time. (a) 18:35 (b) 04:35 (c) 16:35
  10. 10.What is 01:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 a.m. (c) 1:50 p.m.
  11. 11.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 22:05
  12. 12.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 15:35 (c) 03:35
  13. 13.A match starts at 06:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:40 (b) 07:40 (c) 08:40
  14. 14.A film is 1 hour 5 minutes long. How many minutes is that?
  15. 15.What is 01:20 in 12-hour time? (a) 1:20 p.m. (b) 3:20 a.m. (c) 1:20 a.m.
  16. 16.How many hours are there from 05:00 to 10:00?
  17. 17.A train leaves at 13:25 and reaches at 13:55. How long is the journey (in minutes)?
  18. 18.A train leaves at 12:30 and reaches at 13:40. How long is the journey (in minutes)?
  19. 19.A match starts at 09:00 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:40 (b) 10:40 (c) 09:40
  20. 20.A train leaves at 12:30 and reaches at 13:35. How long is the journey (in minutes)?
  21. 21.A match starts at 09:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 13:10
  22. 22.A match starts at 12:50 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:00 (b) 18:00 (c) 17:00
  23. 23.How many hours are there from 06:00 to 18:00?
  24. 24.A match starts at 08:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:30 (b) 10:30 (c) 09:30
  25. 25.A train leaves at 06:15 and reaches at 09:15. How long is the journey (in minutes)?
  26. 26.A match starts at 12:15 and lasts 3 hours. At what time does it end? (a) 16:15 (b) 14:15 (c) 15:15
  27. 27.How many hours are there from 12:00 to 16:00?
  28. 28.Write 9:00 a.m. in 24-hour time. (a) 09:00 (b) 11:00 (c) 21:00
  29. 29.Write 1:50 a.m. in 24-hour time. (a) 13:50 (b) 03:50 (c) 01:50
  30. 30.A train leaves at 19:25 and reaches at 19:55. How long is the journey (in minutes)?
  31. 31.Write 5:10 p.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 19:10
  32. 32.A train leaves at 19:35 and reaches at 20:20. How long is the journey (in minutes)?
  33. 33.A match starts at 12:55 and lasts 2 hours 45 minutes. At what time does it end? (a) 16:40 (b) 15:40 (c) 14:40
  34. 34.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 01:15 (c) 15:15
  35. 35.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 6:55 a.m. (c) 4:55 a.m.
  36. 36.What is 07:40 in 12-hour time? (a) 9:40 a.m. (b) 7:40 a.m. (c) 7:40 p.m.
  37. 37.A train leaves at 15:15 and reaches at 18:35. How long is the journey (in minutes)?
  38. 38.A film is 3 hours 25 minutes long. How many minutes is that?
  39. 39.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 12:30 (c) 22:30
  40. 40.Write 6:40 p.m. in 24-hour time. (a) 18:40 (b) 06:40 (c) 20:40

Answer key

  1. 21:30
  2. 5:40 p.m.
  3. 14
  4. 03:20
  5. 125
  6. 215
  7. 3
  8. 200
  9. 16:35
  10. 1:50 a.m.
  11. 20:05
  12. 03:35
  13. 08:40
  14. 65
  15. 1:20 a.m.
  16. 5
  17. 30
  18. 70
  19. 10:40
  20. 65
  21. 12:10
  22. 17:00
  23. 12
  24. 10:30
  25. 180
  26. 15:15
  27. 4
  28. 09:00
  29. 01:50
  30. 30
  31. 17:10
  32. 45
  33. 15:40
  34. 13:15
  35. 4:55 a.m.
  36. 7:40 a.m.
  37. 200
  38. 205
  39. 10:30
  40. 18:40

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