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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 470 · 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 11:10 and reaches at 11:45. How long is the journey (in minutes)?
  2. 2.What is 21:10 in 12-hour time? (a) 9:10 p.m. (b) 11:10 p.m. (c) 9:10 a.m.
  3. 3.How many hours are there from 09:00 to 15:00?
  4. 4.How many hours are there from 05:00 to 15:00?
  5. 5.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 03:35 (c) 17:35
  6. 6.How many hours are there from 08:00 to 13:00?
  7. 7.A film is 3 hours 15 minutes long. How many minutes is that?
  8. 8.A match starts at 11:40 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:55 (b) 12:55 (c) 13:55
  9. 9.A train leaves at 09:20 and reaches at 10:20. How long is the journey (in minutes)?
  10. 10.How many hours are there from 12:00 to 18:00?
  11. 11.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 09:10
  12. 12.How many hours are there from 08:00 to 16:00?
  13. 13.How many hours are there from 06:00 to 10:00?
  14. 14.A train leaves at 15:10 and reaches at 17:50. How long is the journey (in minutes)?
  15. 15.A train leaves at 07:15 and reaches at 07:40. How long is the journey (in minutes)?
  16. 16.A match starts at 10:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 12:25 (b) 10:25 (c) 11:25
  17. 17.What is 22:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 p.m. (c) 10:50 a.m.
  18. 18.How many hours are there from 10:00 to 22:00?
  19. 19.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 13:00 (c) 01:00
  20. 20.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 16:50 (c) 04:50
  21. 21.A film is 3 hours 50 minutes long. How many minutes is that?
  22. 22.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 23:10 (c) 13:10
  23. 23.A match starts at 17:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 18:20
  24. 24.A film is 3 hours 55 minutes long. How many minutes is that?
  25. 25.A match starts at 06:20 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:05 (b) 08:05 (c) 07:05
  26. 26.Write 6:50 a.m. in 24-hour time. (a) 06:50 (b) 08:50 (c) 18:50
  27. 27.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 03:10 (c) 01:10
  28. 28.A train leaves at 09:30 and reaches at 10:40. How long is the journey (in minutes)?
  29. 29.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
  30. 30.Write 8:00 a.m. in 24-hour time. (a) 20:00 (b) 10:00 (c) 08:00
  31. 31.How many hours are there from 08:00 to 17:00?
  32. 32.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
  33. 33.How many hours are there from 11:00 to 13:00?
  34. 34.A match starts at 11:30 and lasts 3 hours 55 minutes. At what time does it end? (a) 15:25 (b) 14:25 (c) 16:25
  35. 35.Write 10:35 a.m. in 24-hour time. (a) 10:35 (b) 12:35 (c) 22:35
  36. 36.Write 3:25 a.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 05:25
  37. 37.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 p.m. (c) 3:05 p.m.
  38. 38.How many hours are there from 08:00 to 14:00?
  39. 39.What is 21:35 in 12-hour time? (a) 9:35 p.m. (b) 11:35 p.m. (c) 9:35 a.m.
  40. 40.A match starts at 11:35 and lasts 4 hours 5 minutes. At what time does it end? (a) 16:40 (b) 14:40 (c) 15:40

Answer key

  1. 35
  2. 9:10 p.m.
  3. 6
  4. 10
  5. 15:35
  6. 5
  7. 195
  8. 12:55
  9. 60
  10. 6
  11. 07:10
  12. 8
  13. 4
  14. 160
  15. 25
  16. 11:25
  17. 10:50 p.m.
  18. 12
  19. 13:00
  20. 16:50
  21. 230
  22. 11:10
  23. 19:20
  24. 235
  25. 08:05
  26. 06:50
  27. 01:10
  28. 70
  29. 17:05
  30. 08:00
  31. 9
  32. 1:10 p.m.
  33. 2
  34. 15:25
  35. 10:35
  36. 03:25
  37. 3:05 p.m.
  38. 6
  39. 9:35 p.m.
  40. 15:40

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