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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 809 · 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 50 minutes long. How many minutes is that?
  2. 2.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 5:45 p.m. (c) 3:45 a.m.
  3. 3.What is 15:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 p.m. (c) 3:55 a.m.
  4. 4.What is 06:55 in 12-hour time? (a) 6:55 p.m. (b) 6:55 a.m. (c) 8:55 a.m.
  5. 5.A match starts at 11:20 and lasts 4 hours. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
  6. 6.A film is 2 hours 10 minutes long. How many minutes is that?
  7. 7.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
  8. 8.A match starts at 10:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:15 (b) 12:15 (c) 11:15
  9. 9.Write 2:35 p.m. in 24-hour time. (a) 02:35 (b) 16:35 (c) 14:35
  10. 10.Write 7:05 a.m. in 24-hour time. (a) 07:05 (b) 09:05 (c) 19:05
  11. 11.Write 7:35 p.m. in 24-hour time. (a) 07:35 (b) 19:35 (c) 21:35
  12. 12.A train leaves at 07:40 and reaches at 10:30. How long is the journey (in minutes)?
  13. 13.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
  14. 14.How many hours are there from 12:00 to 18:00?
  15. 15.A film is 1 hour 10 minutes long. How many minutes is that?
  16. 16.A film is 2 hours 5 minutes long. How many minutes is that?
  17. 17.A film is 1 hour 15 minutes long. How many minutes is that?
  18. 18.A match starts at 15:40 and lasts 1 hour 15 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 17:55
  19. 19.A match starts at 16:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 19:00
  20. 20.A train leaves at 18:00 and reaches at 19:25. How long is the journey (in minutes)?
  21. 21.A match starts at 14:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 15:40
  22. 22.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 14:05 (c) 02:05
  23. 23.A match starts at 09:30 and lasts 1 hour 25 minutes. At what time does it end? (a) 11:55 (b) 09:55 (c) 10:55
  24. 24.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
  25. 25.Write 1:45 a.m. in 24-hour time. (a) 01:45 (b) 13:45 (c) 03:45
  26. 26.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 19:30 (c) 07:30
  27. 27.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 a.m. (c) 6:45 a.m.
  28. 28.A train leaves at 16:30 and reaches at 19:30. How long is the journey (in minutes)?
  29. 29.A train leaves at 09:15 and reaches at 09:40. How long is the journey (in minutes)?
  30. 30.What is 19:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 p.m.
  31. 31.How many hours are there from 09:00 to 18:00?
  32. 32.Write 8:40 a.m. in 24-hour time. (a) 20:40 (b) 10:40 (c) 08:40
  33. 33.Write 9:55 a.m. in 24-hour time. (a) 11:55 (b) 21:55 (c) 09:55
  34. 34.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 10:50 (c) 08:50
  35. 35.A train leaves at 07:50 and reaches at 10:15. How long is the journey (in minutes)?
  36. 36.What is 09:00 in 12-hour time? (a) 9:00 p.m. (b) 11:00 a.m. (c) 9:00 a.m.
  37. 37.How many hours are there from 08:00 to 21:00?
  38. 38.How many hours are there from 05:00 to 07:00?
  39. 39.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 19:15
  40. 40.What is 03:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 a.m. (c) 3:35 p.m.

Answer key

  1. 110
  2. 3:45 p.m.
  3. 3:55 p.m.
  4. 6:55 a.m.
  5. 15:20
  6. 130
  7. 11:35 p.m.
  8. 11:15
  9. 14:35
  10. 07:05
  11. 19:35
  12. 170
  13. 23:05
  14. 6
  15. 70
  16. 125
  17. 75
  18. 16:55
  19. 20:00
  20. 85
  21. 16:40
  22. 14:05
  23. 10:55
  24. 03:45
  25. 01:45
  26. 07:30
  27. 6:45 a.m.
  28. 180
  29. 25
  30. 7:50 p.m.
  31. 9
  32. 08:40
  33. 09:55
  34. 08:50
  35. 145
  36. 9:00 a.m.
  37. 13
  38. 2
  39. 17:15
  40. 3:35 a.m.

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