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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 504 · 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 55 minutes long. How many minutes is that?
  2. 2.What is 19:55 in 12-hour time? (a) 7:55 a.m. (b) 7:55 p.m. (c) 9:55 p.m.
  3. 3.A film is 2 hours 35 minutes long. How many minutes is that?
  4. 4.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 10:25 a.m. (c) 12:25 a.m.
  5. 5.A train leaves at 11:55 and reaches at 12:35. How long is the journey (in minutes)?
  6. 6.What is 02:50 in 12-hour time? (a) 2:50 p.m. (b) 2:50 a.m. (c) 4:50 a.m.
  7. 7.How many hours are there from 08:00 to 10:00?
  8. 8.Write 6:50 p.m. in 24-hour time. (a) 20:50 (b) 18:50 (c) 06:50
  9. 9.Write 7:55 p.m. in 24-hour time. (a) 19:55 (b) 21:55 (c) 07:55
  10. 10.How many hours are there from 11:00 to 16:00?
  11. 11.A train leaves at 14:30 and reaches at 15:40. How long is the journey (in minutes)?
  12. 12.What is 08:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 a.m.
  13. 13.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 p.m. (c) 1:20 p.m.
  14. 14.A match starts at 11:30 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 15:05
  15. 15.A film is 3 hours 50 minutes long. How many minutes is that?
  16. 16.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 1:10 p.m. (c) 3:10 p.m.
  17. 17.A train leaves at 12:45 and reaches at 14:20. How long is the journey (in minutes)?
  18. 18.A train leaves at 19:05 and reaches at 20:15. How long is the journey (in minutes)?
  19. 19.Write 2:50 p.m. in 24-hour time. (a) 02:50 (b) 14:50 (c) 16:50
  20. 20.A film is 3 hours 45 minutes long. How many minutes is that?
  21. 21.What is 11:40 in 12-hour time? (a) 1:40 a.m. (b) 11:40 a.m. (c) 11:40 p.m.
  22. 22.A film is 3 hours 15 minutes long. How many minutes is that?
  23. 23.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 p.m. (c) 3:00 a.m.
  24. 24.Write 11:45 p.m. in 24-hour time. (a) 23:45 (b) 11:45 (c) 01:45
  25. 25.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 16:50 (c) 04:50
  26. 26.A film is 3 hours 10 minutes long. How many minutes is that?
  27. 27.A train leaves at 06:35 and reaches at 07:30. How long is the journey (in minutes)?
  28. 28.What is 05:00 in 12-hour time? (a) 5:00 p.m. (b) 5:00 a.m. (c) 7:00 a.m.
  29. 29.How many hours are there from 08:00 to 19:00?
  30. 30.How many hours are there from 09:00 to 21:00?
  31. 31.A match starts at 08:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:05 (b) 09:05 (c) 10:05
  32. 32.A match starts at 11:45 and lasts 2 hours 10 minutes. At what time does it end? (a) 13:55 (b) 12:55 (c) 14:55
  33. 33.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 12:15 (c) 22:15
  34. 34.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 23:25 (c) 21:25
  35. 35.How many hours are there from 06:00 to 16:00?
  36. 36.A train leaves at 10:15 and reaches at 12:05. How long is the journey (in minutes)?
  37. 37.A train leaves at 09:35 and reaches at 12:40. How long is the journey (in minutes)?
  38. 38.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 9:55 a.m. (c) 11:55 a.m.
  39. 39.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 16:20 (c) 14:20
  40. 40.A film is 3 hours 40 minutes long. How many minutes is that?

Answer key

  1. 115
  2. 7:55 p.m.
  3. 155
  4. 10:25 a.m.
  5. 40
  6. 2:50 a.m.
  7. 2
  8. 18:50
  9. 19:55
  10. 5
  11. 70
  12. 8:45 a.m.
  13. 1:20 p.m.
  14. 16:05
  15. 230
  16. 1:10 p.m.
  17. 95
  18. 70
  19. 14:50
  20. 225
  21. 11:40 a.m.
  22. 195
  23. 3:00 a.m.
  24. 23:45
  25. 16:50
  26. 190
  27. 55
  28. 5:00 a.m.
  29. 11
  30. 12
  31. 10:05
  32. 13:55
  33. 10:15
  34. 21:25
  35. 10
  36. 110
  37. 185
  38. 9:55 a.m.
  39. 14:20
  40. 220

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