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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 735 · 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 10:30 and reaches at 11:55. How long is the journey (in minutes)?
  2. 2.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
  3. 3.A match starts at 15:25 and lasts 1 hour 50 minutes. At what time does it end? (a) 18:15 (b) 16:15 (c) 17:15
  4. 4.What is 23:00 in 12-hour time? (a) 1:00 p.m. (b) 11:00 a.m. (c) 11:00 p.m.
  5. 5.How many hours are there from 08:00 to 12:00?
  6. 6.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 18:50 (c) 20:50
  7. 7.Write 11:05 p.m. in 24-hour time. (a) 11:05 (b) 01:05 (c) 23:05
  8. 8.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 a.m. (c) 5:00 p.m.
  9. 9.A match starts at 08:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:45 (b) 08:45 (c) 09:45
  10. 10.A train leaves at 07:50 and reaches at 11:10. How long is the journey (in minutes)?
  11. 11.Write 5:55 a.m. in 24-hour time. (a) 05:55 (b) 07:55 (c) 17:55
  12. 12.Write 8:40 p.m. in 24-hour time. (a) 08:40 (b) 22:40 (c) 20:40
  13. 13.How many hours are there from 11:00 to 21:00?
  14. 14.A match starts at 12:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 15:25 (b) 17:25 (c) 16:25
  15. 15.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 13:20 (c) 03:20
  16. 16.Write 10:00 p.m. in 24-hour time. (a) 22:00 (b) 10:00 (c) 00:00
  17. 17.How many hours are there from 09:00 to 19:00?
  18. 18.A train leaves at 09:15 and reaches at 11:55. How long is the journey (in minutes)?
  19. 19.A match starts at 16:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:10 (b) 18:10 (c) 19:10
  20. 20.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 06:55 (c) 08:55
  21. 21.How many hours are there from 09:00 to 15:00?
  22. 22.A film is 2 hours 40 minutes long. How many minutes is that?
  23. 23.What is 16:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 p.m. (c) 4:55 p.m.
  24. 24.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 p.m. (c) 2:05 p.m.
  25. 25.A train leaves at 13:40 and reaches at 16:55. How long is the journey (in minutes)?
  26. 26.Write 1:40 p.m. in 24-hour time. (a) 01:40 (b) 15:40 (c) 13:40
  27. 27.How many hours are there from 07:00 to 13:00?
  28. 28.A film is 2 hours 45 minutes long. How many minutes is that?
  29. 29.A match starts at 11:00 and lasts 2 hours 55 minutes. At what time does it end? (a) 12:55 (b) 13:55 (c) 14:55
  30. 30.A match starts at 06:15 and lasts 4 hours. At what time does it end? (a) 09:15 (b) 11:15 (c) 10:15
  31. 31.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 p.m. (c) 4:30 a.m.
  32. 32.Write 4:00 p.m. in 24-hour time. (a) 04:00 (b) 16:00 (c) 18:00
  33. 33.A match starts at 07:50 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 13:05
  34. 34.What is 16:40 in 12-hour time? (a) 6:40 p.m. (b) 4:40 a.m. (c) 4:40 p.m.
  35. 35.How many hours are there from 09:00 to 20:00?
  36. 36.Write 5:40 p.m. in 24-hour time. (a) 19:40 (b) 05:40 (c) 17:40
  37. 37.What is 17:10 in 12-hour time? (a) 7:10 p.m. (b) 5:10 p.m. (c) 5:10 a.m.
  38. 38.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 p.m. (c) 8:25 a.m.
  39. 39.A train leaves at 06:40 and reaches at 09:25. How long is the journey (in minutes)?
  40. 40.How many hours are there from 05:00 to 21:00?

Answer key

  1. 85
  2. 10:00
  3. 17:15
  4. 11:00 p.m.
  5. 4
  6. 18:50
  7. 23:05
  8. 5:00 p.m.
  9. 09:45
  10. 200
  11. 05:55
  12. 20:40
  13. 10
  14. 16:25
  15. 01:20
  16. 22:00
  17. 10
  18. 160
  19. 18:10
  20. 06:55
  21. 6
  22. 160
  23. 4:55 p.m.
  24. 2:05 p.m.
  25. 195
  26. 13:40
  27. 6
  28. 165
  29. 13:55
  30. 10:15
  31. 4:30 p.m.
  32. 16:00
  33. 12:05
  34. 4:40 p.m.
  35. 11
  36. 17:40
  37. 5:10 p.m.
  38. 8:25 a.m.
  39. 165
  40. 16

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