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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 544 · 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.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 06:45 (c) 18:45
  2. 2.How many hours are there from 08:00 to 21:00?
  3. 3.What is 21:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 p.m. (c) 9:20 a.m.
  4. 4.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 16:00
  5. 5.How many hours are there from 11:00 to 13:00?
  6. 6.How many hours are there from 07:00 to 19:00?
  7. 7.A film is 1 hour 5 minutes long. How many minutes is that?
  8. 8.What is 17:05 in 12-hour time? (a) 5:05 a.m. (b) 5:05 p.m. (c) 7:05 p.m.
  9. 9.A train leaves at 18:15 and reaches at 18:50. How long is the journey (in minutes)?
  10. 10.A match starts at 09:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:15 (b) 10:15 (c) 11:15
  11. 11.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 07:05 (c) 05:05
  12. 12.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 13:05 (c) 01:05
  13. 13.How many hours are there from 09:00 to 11:00?
  14. 14.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 16:45 (c) 18:45
  15. 15.A film is 1 hour 40 minutes long. How many minutes is that?
  16. 16.A match starts at 08:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 08:40
  17. 17.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 16:05
  18. 18.How many hours are there from 11:00 to 16:00?
  19. 19.Write 5:50 p.m. in 24-hour time. (a) 05:50 (b) 17:50 (c) 19:50
  20. 20.A match starts at 07:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 09:15 (b) 08:15 (c) 10:15
  21. 21.What is 14:00 in 12-hour time? (a) 4:00 p.m. (b) 2:00 a.m. (c) 2:00 p.m.
  22. 22.How many hours are there from 10:00 to 17:00?
  23. 23.A film is 4 hours 5 minutes long. How many minutes is that?
  24. 24.A train leaves at 19:05 and reaches at 22:00. How long is the journey (in minutes)?
  25. 25.A train leaves at 11:50 and reaches at 14:05. How long is the journey (in minutes)?
  26. 26.How many hours are there from 05:00 to 18:00?
  27. 27.Write 5:25 a.m. in 24-hour time. (a) 07:25 (b) 05:25 (c) 17:25
  28. 28.A film is 2 hours 30 minutes long. How many minutes is that?
  29. 29.What is 11:50 in 12-hour time? (a) 1:50 a.m. (b) 11:50 a.m. (c) 11:50 p.m.
  30. 30.A film is 3 hours 45 minutes long. How many minutes is that?
  31. 31.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 a.m.
  32. 32.How many hours are there from 11:00 to 23:00?
  33. 33.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
  34. 34.How many hours are there from 09:00 to 19:00?
  35. 35.A match starts at 09:35 and lasts 2 hours 25 minutes. At what time does it end? (a) 13:00 (b) 12:00 (c) 11:00
  36. 36.How many hours are there from 06:00 to 09:00?
  37. 37.A train leaves at 06:05 and reaches at 08:30. How long is the journey (in minutes)?
  38. 38.What is 06:50 in 12-hour time? (a) 6:50 a.m. (b) 6:50 p.m. (c) 8:50 a.m.
  39. 39.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 4:25 p.m. (c) 6:25 p.m.
  40. 40.A film is 2 hours 5 minutes long. How many minutes is that?

Answer key

  1. 06:45
  2. 13
  3. 9:20 p.m.
  4. 14:00
  5. 2
  6. 12
  7. 65
  8. 5:05 p.m.
  9. 35
  10. 11:15
  11. 05:05
  12. 01:05
  13. 2
  14. 16:45
  15. 100
  16. 09:40
  17. 14:05
  18. 5
  19. 17:50
  20. 09:15
  21. 2:00 p.m.
  22. 7
  23. 245
  24. 175
  25. 135
  26. 13
  27. 05:25
  28. 150
  29. 11:50 a.m.
  30. 225
  31. 9:05 a.m.
  32. 12
  33. 02:50
  34. 10
  35. 12:00
  36. 3
  37. 145
  38. 6:50 a.m.
  39. 4:25 p.m.
  40. 125

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