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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 294 · 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 match starts at 13:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 16:10 (b) 14:10 (c) 15:10
  2. 2.A film is 2 hours 45 minutes long. How many minutes is that?
  3. 3.Write 11:05 p.m. in 24-hour time. (a) 23:05 (b) 01:05 (c) 11:05
  4. 4.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55
  5. 5.What is 19:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 p.m.
  6. 6.A film is 2 hours 5 minutes long. How many minutes is that?
  7. 7.How many hours are there from 12:00 to 23:00?
  8. 8.What is 04:45 in 12-hour time? (a) 6:45 a.m. (b) 4:45 p.m. (c) 4:45 a.m.
  9. 9.Write 3:30 a.m. in 24-hour time. (a) 15:30 (b) 05:30 (c) 03:30
  10. 10.What is 23:35 in 12-hour time? (a) 11:35 p.m. (b) 1:35 p.m. (c) 11:35 a.m.
  11. 11.What is 21:50 in 12-hour time? (a) 11:50 p.m. (b) 9:50 a.m. (c) 9:50 p.m.
  12. 12.How many hours are there from 07:00 to 15:00?
  13. 13.What is 04:30 in 12-hour time? (a) 4:30 p.m. (b) 6:30 a.m. (c) 4:30 a.m.
  14. 14.A match starts at 12:20 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 17:05
  15. 15.How many hours are there from 10:00 to 23:00?
  16. 16.A train leaves at 06:45 and reaches at 08:25. How long is the journey (in minutes)?
  17. 17.A film is 3 hours 10 minutes long. How many minutes is that?
  18. 18.A match starts at 07:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:30 (b) 09:30 (c) 10:30
  19. 19.Write 3:15 p.m. in 24-hour time. (a) 17:15 (b) 03:15 (c) 15:15
  20. 20.How many hours are there from 07:00 to 09:00?
  21. 21.A match starts at 13:50 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:25 (b) 19:25 (c) 18:25
  22. 22.A film is 2 hours 40 minutes long. How many minutes is that?
  23. 23.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 a.m. (c) 1:40 p.m.
  24. 24.How many hours are there from 11:00 to 17:00?
  25. 25.A film is 3 hours 30 minutes long. How many minutes is that?
  26. 26.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 14:20 (c) 02:20
  27. 27.What is 11:05 in 12-hour time? (a) 11:05 p.m. (b) 1:05 a.m. (c) 11:05 a.m.
  28. 28.A film is 4 hours 40 minutes long. How many minutes is that?
  29. 29.What is 08:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 a.m.
  30. 30.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 10:50 a.m. (c) 8:50 a.m.
  31. 31.What is 17:05 in 12-hour time? (a) 7:05 p.m. (b) 5:05 a.m. (c) 5:05 p.m.
  32. 32.A film is 2 hours 50 minutes long. How many minutes is that?
  33. 33.How many hours are there from 12:00 to 20:00?
  34. 34.A match starts at 15:45 and lasts 4 hours 5 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
  35. 35.A match starts at 07:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:00 (b) 09:00 (c) 10:00
  36. 36.A train leaves at 08:15 and reaches at 08:55. How long is the journey (in minutes)?
  37. 37.Write 4:45 a.m. in 24-hour time. (a) 04:45 (b) 06:45 (c) 16:45
  38. 38.What is 15:20 in 12-hour time? (a) 3:20 p.m. (b) 5:20 p.m. (c) 3:20 a.m.
  39. 39.A film is 2 hours 15 minutes long. How many minutes is that?
  40. 40.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 18:55 (c) 06:55

Answer key

  1. 15:10
  2. 165
  3. 23:05
  4. 01:55
  5. 7:20 p.m.
  6. 125
  7. 11
  8. 4:45 a.m.
  9. 03:30
  10. 11:35 p.m.
  11. 9:50 p.m.
  12. 8
  13. 4:30 a.m.
  14. 16:05
  15. 13
  16. 100
  17. 190
  18. 10:30
  19. 15:15
  20. 2
  21. 18:25
  22. 160
  23. 1:40 p.m.
  24. 6
  25. 210
  26. 02:20
  27. 11:05 a.m.
  28. 280
  29. 8:45 a.m.
  30. 8:50 a.m.
  31. 5:05 p.m.
  32. 170
  33. 8
  34. 19:50
  35. 09:00
  36. 40
  37. 04:45
  38. 3:20 p.m.
  39. 135
  40. 18:55

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