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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 408 · 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.How many hours are there from 11:00 to 18:00?
  2. 2.Write 11:00 a.m. in 24-hour time. (a) 11:00 (b) 23:00 (c) 13:00
  3. 3.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 06:15 (c) 08:15
  4. 4.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 a.m. (c) 9:40 p.m.
  5. 5.How many hours are there from 10:00 to 23:00?
  6. 6.A train leaves at 08:10 and reaches at 08:45. How long is the journey (in minutes)?
  7. 7.A train leaves at 12:35 and reaches at 15:20. How long is the journey (in minutes)?
  8. 8.A train leaves at 11:10 and reaches at 12:50. How long is the journey (in minutes)?
  9. 9.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 03:05 (c) 05:05
  10. 10.A match starts at 17:20 and lasts 2 hours 45 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05
  11. 11.Write 9:35 p.m. in 24-hour time. (a) 09:35 (b) 23:35 (c) 21:35
  12. 12.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 p.m. (c) 10:20 a.m.
  13. 13.A train leaves at 18:20 and reaches at 20:30. How long is the journey (in minutes)?
  14. 14.How many hours are there from 08:00 to 18:00?
  15. 15.What is 04:30 in 12-hour time? (a) 4:30 p.m. (b) 4:30 a.m. (c) 6:30 a.m.
  16. 16.A train leaves at 17:00 and reaches at 18:55. How long is the journey (in minutes)?
  17. 17.A match starts at 13:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
  18. 18.A train leaves at 17:10 and reaches at 19:15. How long is the journey (in minutes)?
  19. 19.A train leaves at 11:15 and reaches at 11:45. How long is the journey (in minutes)?
  20. 20.A film is 3 hours 35 minutes long. How many minutes is that?
  21. 21.A match starts at 16:40 and lasts 1 hour 40 minutes. At what time does it end? (a) 18:20 (b) 19:20 (c) 17:20
  22. 22.A train leaves at 13:25 and reaches at 16:30. How long is the journey (in minutes)?
  23. 23.How many hours are there from 12:00 to 14:00?
  24. 24.A match starts at 18:45 and lasts 2 hours 50 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 22:35
  25. 25.A train leaves at 07:40 and reaches at 08:15. How long is the journey (in minutes)?
  26. 26.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 p.m. (c) 5:35 a.m.
  27. 27.A train leaves at 08:20 and reaches at 09:05. How long is the journey (in minutes)?
  28. 28.Write 6:25 a.m. in 24-hour time. (a) 18:25 (b) 08:25 (c) 06:25
  29. 29.How many hours are there from 11:00 to 23:00?
  30. 30.How many hours are there from 11:00 to 22:00?
  31. 31.A train leaves at 14:00 and reaches at 17:20. How long is the journey (in minutes)?
  32. 32.How many hours are there from 05:00 to 07:00?
  33. 33.How many hours are there from 07:00 to 19:00?
  34. 34.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 23:10
  35. 35.A train leaves at 13:10 and reaches at 15:20. How long is the journey (in minutes)?
  36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
  37. 37.A match starts at 12:30 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 14:25
  38. 38.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 19:35 (c) 07:35
  39. 39.How many hours are there from 06:00 to 11:00?
  40. 40.How many hours are there from 05:00 to 22:00?

Answer key

  1. 7
  2. 11:00
  3. 06:15
  4. 9:40 p.m.
  5. 13
  6. 35
  7. 165
  8. 100
  9. 03:05
  10. 20:05
  11. 21:35
  12. 10:20 a.m.
  13. 130
  14. 10
  15. 4:30 a.m.
  16. 115
  17. 15:50
  18. 125
  19. 30
  20. 215
  21. 18:20
  22. 185
  23. 2
  24. 21:35
  25. 35
  26. 5:35 p.m.
  27. 45
  28. 06:25
  29. 12
  30. 11
  31. 200
  32. 2
  33. 12
  34. 21:10
  35. 130
  36. 220
  37. 15:25
  38. 19:35
  39. 5
  40. 17

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