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Class 4 Maths Worksheet: 24-Hour Clock

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

Answer key

  1. 11
  2. 155
  3. 02:15
  4. 145
  5. 60
  6. 110
  7. 07:00
  8. 1:30 a.m.
  9. 13:55
  10. 15:40
  11. 9
  12. 95
  13. 10:15
  14. 08:20
  15. 4:35 a.m.
  16. 170
  17. 18:00
  18. 16:05
  19. 10
  20. 6
  21. 50
  22. 85
  23. 10
  24. 14:20
  25. 11
  26. 08:15
  27. 225
  28. 65
  29. 2
  30. 3:25 a.m.
  31. 10:35
  32. 16:50
  33. 12
  34. 12:00
  35. 2
  36. 3
  37. 9:05 p.m.
  38. 04:30
  39. 01:30
  40. 125

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