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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 890 · 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 film is 1 hour 30 minutes long. How many minutes is that?
  2. 2.How many hours are there from 10:00 to 22:00?
  3. 3.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 18:45 (c) 16:45
  4. 4.A train leaves at 12:35 and reaches at 13:40. How long is the journey (in minutes)?
  5. 5.How many hours are there from 07:00 to 14:00?
  6. 6.A film is 2 hours 25 minutes long. How many minutes is that?
  7. 7.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 06:40 (c) 16:40
  8. 8.A film is 2 hours 55 minutes long. How many minutes is that?
  9. 9.How many hours are there from 05:00 to 07:00?
  10. 10.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 p.m. (c) 8:25 a.m.
  11. 11.What is 17:50 in 12-hour time? (a) 7:50 p.m. (b) 5:50 p.m. (c) 5:50 a.m.
  12. 12.Write 6:30 a.m. in 24-hour time. (a) 08:30 (b) 06:30 (c) 18:30
  13. 13.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 05:05 (c) 03:05
  14. 14.A train leaves at 16:00 and reaches at 18:00. How long is the journey (in minutes)?
  15. 15.A film is 4 hours 15 minutes long. How many minutes is that?
  16. 16.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 05:35 (c) 17:35
  17. 17.A train leaves at 08:30 and reaches at 11:20. How long is the journey (in minutes)?
  18. 18.How many hours are there from 07:00 to 10:00?
  19. 19.How many hours are there from 12:00 to 14:00?
  20. 20.How many hours are there from 10:00 to 12:00?
  21. 21.A match starts at 08:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 11:45
  22. 22.A film is 4 hours 5 minutes long. How many minutes is that?
  23. 23.How many hours are there from 07:00 to 09:00?
  24. 24.A train leaves at 08:35 and reaches at 11:35. How long is the journey (in minutes)?
  25. 25.A match starts at 15:55 and lasts 3 hours. At what time does it end? (a) 19:55 (b) 17:55 (c) 18:55
  26. 26.What is 14:40 in 12-hour time? (a) 4:40 p.m. (b) 2:40 a.m. (c) 2:40 p.m.
  27. 27.A match starts at 14:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 17:15 (b) 19:15 (c) 18:15
  28. 28.What is 02:35 in 12-hour time? (a) 2:35 a.m. (b) 4:35 a.m. (c) 2:35 p.m.
  29. 29.How many hours are there from 09:00 to 20:00?
  30. 30.Write 10:55 p.m. in 24-hour time. (a) 10:55 (b) 00:55 (c) 22:55
  31. 31.What is 07:50 in 12-hour time? (a) 7:50 a.m. (b) 9:50 a.m. (c) 7:50 p.m.
  32. 32.How many hours are there from 10:00 to 13:00?
  33. 33.A match starts at 17:35 and lasts 3 hours 10 minutes. At what time does it end? (a) 20:45 (b) 19:45 (c) 21:45
  34. 34.A film is 1 hour 40 minutes long. How many minutes is that?
  35. 35.Write 1:10 p.m. in 24-hour time. (a) 13:10 (b) 01:10 (c) 15:10
  36. 36.How many hours are there from 12:00 to 16:00?
  37. 37.A match starts at 14:50 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:55 (b) 17:55 (c) 18:55
  38. 38.A match starts at 13:05 and lasts 4 hours. At what time does it end? (a) 16:05 (b) 17:05 (c) 18:05
  39. 39.Write 11:05 p.m. in 24-hour time. (a) 11:05 (b) 23:05 (c) 01:05
  40. 40.How many hours are there from 11:00 to 15:00?

Answer key

  1. 90
  2. 12
  3. 16:45
  4. 65
  5. 7
  6. 145
  7. 04:40
  8. 175
  9. 2
  10. 8:25 a.m.
  11. 5:50 p.m.
  12. 06:30
  13. 03:05
  14. 120
  15. 255
  16. 05:35
  17. 170
  18. 3
  19. 2
  20. 2
  21. 12:45
  22. 245
  23. 2
  24. 180
  25. 18:55
  26. 2:40 p.m.
  27. 18:15
  28. 2:35 a.m.
  29. 11
  30. 22:55
  31. 7:50 a.m.
  32. 3
  33. 20:45
  34. 100
  35. 13:10
  36. 4
  37. 18:55
  38. 17:05
  39. 23:05
  40. 4

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