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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 743 · 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 11:05 in 12-hour time? (a) 11:05 p.m. (b) 1:05 a.m. (c) 11:05 a.m.
  2. 2.A match starts at 09:40 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 09:55
  3. 3.A match starts at 07:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:10 (b) 11:10 (c) 09:10
  4. 4.Write 6:20 p.m. in 24-hour time. (a) 20:20 (b) 18:20 (c) 06:20
  5. 5.Write 9:35 p.m. in 24-hour time. (a) 09:35 (b) 23:35 (c) 21:35
  6. 6.What is 22:00 in 12-hour time? (a) 12:00 p.m. (b) 10:00 a.m. (c) 10:00 p.m.
  7. 7.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 17:15
  8. 8.A train leaves at 14:40 and reaches at 15:40. How long is the journey (in minutes)?
  9. 9.How many hours are there from 12:00 to 15:00?
  10. 10.How many hours are there from 09:00 to 20:00?
  11. 11.A film is 4 hours 50 minutes long. How many minutes is that?
  12. 12.A match starts at 10:20 and lasts 2 hours 30 minutes. At what time does it end? (a) 11:50 (b) 13:50 (c) 12:50
  13. 13.A train leaves at 16:05 and reaches at 18:55. How long is the journey (in minutes)?
  14. 14.A match starts at 07:35 and lasts 2 hours 45 minutes. At what time does it end? (a) 11:20 (b) 10:20 (c) 09:20
  15. 15.A train leaves at 08:40 and reaches at 10:00. How long is the journey (in minutes)?
  16. 16.A match starts at 15:50 and lasts 3 hours 50 minutes. At what time does it end? (a) 18:40 (b) 20:40 (c) 19:40
  17. 17.A train leaves at 15:55 and reaches at 16:40. How long is the journey (in minutes)?
  18. 18.Write 7:10 a.m. in 24-hour time. (a) 09:10 (b) 07:10 (c) 19:10
  19. 19.A match starts at 06:25 and lasts 3 hours 30 minutes. At what time does it end? (a) 09:55 (b) 08:55 (c) 10:55
  20. 20.A train leaves at 16:50 and reaches at 19:50. How long is the journey (in minutes)?
  21. 21.Write 1:40 p.m. in 24-hour time. (a) 15:40 (b) 13:40 (c) 01:40
  22. 22.How many hours are there from 08:00 to 11:00?
  23. 23.Write 9:40 p.m. in 24-hour time. (a) 21:40 (b) 09:40 (c) 23:40
  24. 24.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 14:10 (c) 02:10
  25. 25.A train leaves at 11:35 and reaches at 12:35. How long is the journey (in minutes)?
  26. 26.Write 7:25 p.m. in 24-hour time. (a) 21:25 (b) 07:25 (c) 19:25
  27. 27.A film is 4 hours 10 minutes long. How many minutes is that?
  28. 28.A film is 2 hours 40 minutes long. How many minutes is that?
  29. 29.A train leaves at 10:25 and reaches at 12:45. How long is the journey (in minutes)?
  30. 30.How many hours are there from 07:00 to 23:00?
  31. 31.A film is 4 hours 25 minutes long. How many minutes is that?
  32. 32.How many hours are there from 08:00 to 15:00?
  33. 33.How many hours are there from 09:00 to 13:00?
  34. 34.How many hours are there from 05:00 to 19:00?
  35. 35.Write 5:55 a.m. in 24-hour time. (a) 05:55 (b) 17:55 (c) 07:55
  36. 36.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 20:10 (c) 22:10
  37. 37.Write 7:30 a.m. in 24-hour time. (a) 19:30 (b) 09:30 (c) 07:30
  38. 38.How many hours are there from 11:00 to 14:00?
  39. 39.Write 4:30 a.m. in 24-hour time. (a) 06:30 (b) 16:30 (c) 04:30
  40. 40.A match starts at 16:25 and lasts 4 hours 55 minutes. At what time does it end? (a) 20:20 (b) 22:20 (c) 21:20

Answer key

  1. 11:05 a.m.
  2. 10:55
  3. 10:10
  4. 18:20
  5. 21:35
  6. 10:00 p.m.
  7. 15:15
  8. 60
  9. 3
  10. 11
  11. 290
  12. 12:50
  13. 170
  14. 10:20
  15. 80
  16. 19:40
  17. 45
  18. 07:10
  19. 09:55
  20. 180
  21. 13:40
  22. 3
  23. 21:40
  24. 02:10
  25. 60
  26. 19:25
  27. 250
  28. 160
  29. 140
  30. 16
  31. 265
  32. 7
  33. 4
  34. 14
  35. 05:55
  36. 20:10
  37. 07:30
  38. 3
  39. 04:30
  40. 21:20

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