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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 815 · 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.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 5:45 p.m. (c) 3:45 a.m.
  2. 2.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 7:40 p.m. (c) 5:40 p.m.
  3. 3.A film is 1 hour 55 minutes long. How many minutes is that?
  4. 4.A match starts at 09:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
  5. 5.A film is 4 hours 35 minutes long. How many minutes is that?
  6. 6.A match starts at 09:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 12:40 (b) 10:40 (c) 11:40
  7. 7.How many hours are there from 11:00 to 13:00?
  8. 8.A train leaves at 06:55 and reaches at 10:05. How long is the journey (in minutes)?
  9. 9.How many hours are there from 05:00 to 08:00?
  10. 10.A film is 3 hours 40 minutes long. How many minutes is that?
  11. 11.How many hours are there from 09:00 to 21:00?
  12. 12.What is 14:55 in 12-hour time? (a) 2:55 a.m. (b) 2:55 p.m. (c) 4:55 p.m.
  13. 13.A film is 2 hours 35 minutes long. How many minutes is that?
  14. 14.Write 10:50 p.m. in 24-hour time. (a) 22:50 (b) 00:50 (c) 10:50
  15. 15.A match starts at 18:40 and lasts 3 hours 35 minutes. At what time does it end? (a) 21:15 (b) 22:15 (c) 23:15
  16. 16.Write 4:45 p.m. in 24-hour time. (a) 16:45 (b) 04:45 (c) 18:45
  17. 17.Write 10:15 a.m. in 24-hour time. (a) 22:15 (b) 12:15 (c) 10:15
  18. 18.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 5:20 a.m. (c) 3:20 a.m.
  19. 19.What is 06:10 in 12-hour time? (a) 6:10 a.m. (b) 8:10 a.m. (c) 6:10 p.m.
  20. 20.How many hours are there from 07:00 to 17:00?
  21. 21.Write 6:15 a.m. in 24-hour time. (a) 06:15 (b) 08:15 (c) 18:15
  22. 22.Write 4:10 p.m. in 24-hour time. (a) 18:10 (b) 04:10 (c) 16:10
  23. 23.Write 1:50 p.m. in 24-hour time. (a) 15:50 (b) 13:50 (c) 01:50
  24. 24.What is 09:25 in 12-hour time? (a) 9:25 p.m. (b) 9:25 a.m. (c) 11:25 a.m.
  25. 25.Write 3:30 p.m. in 24-hour time. (a) 03:30 (b) 15:30 (c) 17:30
  26. 26.A match starts at 12:20 and lasts 2 hours 35 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 15:55
  27. 27.What is 11:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 a.m. (c) 11:45 a.m.
  28. 28.How many hours are there from 08:00 to 18:00?
  29. 29.A film is 4 hours 5 minutes long. How many minutes is that?
  30. 30.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 12:10 (c) 10:10
  31. 31.A train leaves at 13:55 and reaches at 14:25. How long is the journey (in minutes)?
  32. 32.A train leaves at 11:30 and reaches at 14:25. How long is the journey (in minutes)?
  33. 33.A film is 3 hours 35 minutes long. How many minutes is that?
  34. 34.Write 2:50 a.m. in 24-hour time. (a) 04:50 (b) 14:50 (c) 02:50
  35. 35.A train leaves at 07:20 and reaches at 10:00. How long is the journey (in minutes)?
  36. 36.How many hours are there from 10:00 to 13:00?
  37. 37.What is 18:00 in 12-hour time? (a) 6:00 p.m. (b) 6:00 a.m. (c) 8:00 p.m.
  38. 38.Write 1:35 p.m. in 24-hour time. (a) 01:35 (b) 15:35 (c) 13:35
  39. 39.A train leaves at 18:10 and reaches at 20:30. How long is the journey (in minutes)?
  40. 40.A match starts at 11:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 12:15 (b) 14:15 (c) 13:15

Answer key

  1. 3:45 p.m.
  2. 5:40 p.m.
  3. 115
  4. 11:10
  5. 275
  6. 11:40
  7. 2
  8. 190
  9. 3
  10. 220
  11. 12
  12. 2:55 p.m.
  13. 155
  14. 22:50
  15. 22:15
  16. 16:45
  17. 10:15
  18. 3:20 a.m.
  19. 6:10 a.m.
  20. 10
  21. 06:15
  22. 16:10
  23. 13:50
  24. 9:25 a.m.
  25. 15:30
  26. 14:55
  27. 11:45 a.m.
  28. 10
  29. 245
  30. 10:10
  31. 30
  32. 175
  33. 215
  34. 02:50
  35. 160
  36. 3
  37. 6:00 p.m.
  38. 13:35
  39. 140
  40. 13:15

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