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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 875 · 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.Write 9:50 p.m. in 24-hour time. (a) 23:50 (b) 21:50 (c) 09:50
  2. 2.What is 03:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 a.m. (c) 3:05 p.m.
  3. 3.A train leaves at 13:45 and reaches at 15:00. How long is the journey (in minutes)?
  4. 4.A match starts at 15:25 and lasts 2 hours 20 minutes. At what time does it end? (a) 16:45 (b) 18:45 (c) 17:45
  5. 5.How many hours are there from 11:00 to 17:00?
  6. 6.What is 17:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 p.m. (c) 5:10 p.m.
  7. 7.A film is 4 hours 5 minutes long. How many minutes is that?
  8. 8.A match starts at 06:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 07:05 (b) 08:05 (c) 09:05
  9. 9.Write 1:05 p.m. in 24-hour time. (a) 15:05 (b) 01:05 (c) 13:05
  10. 10.A train leaves at 19:50 and reaches at 20:20. How long is the journey (in minutes)?
  11. 11.How many hours are there from 07:00 to 23:00?
  12. 12.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 a.m. (c) 9:45 p.m.
  13. 13.A train leaves at 13:40 and reaches at 14:30. How long is the journey (in minutes)?
  14. 14.A film is 1 hour 30 minutes long. How many minutes is that?
  15. 15.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 07:40 (c) 09:40
  16. 16.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 12:10
  17. 17.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 03:40 (c) 05:40
  18. 18.What is 18:20 in 12-hour time? (a) 6:20 p.m. (b) 8:20 p.m. (c) 6:20 a.m.
  19. 19.A train leaves at 07:55 and reaches at 10:20. How long is the journey (in minutes)?
  20. 20.A train leaves at 13:05 and reaches at 14:50. How long is the journey (in minutes)?
  21. 21.A film is 3 hours 50 minutes long. How many minutes is that?
  22. 22.How many hours are there from 12:00 to 18:00?
  23. 23.Write 5:45 a.m. in 24-hour time. (a) 05:45 (b) 17:45 (c) 07:45
  24. 24.A train leaves at 16:25 and reaches at 19:10. How long is the journey (in minutes)?
  25. 25.A train leaves at 17:05 and reaches at 18:05. How long is the journey (in minutes)?
  26. 26.A train leaves at 06:20 and reaches at 07:45. How long is the journey (in minutes)?
  27. 27.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 p.m. (c) 7:10 a.m.
  28. 28.A match starts at 12:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 14:35 (b) 13:35 (c) 15:35
  29. 29.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 a.m.
  30. 30.How many hours are there from 07:00 to 18:00?
  31. 31.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
  32. 32.A match starts at 12:50 and lasts 4 hours. At what time does it end? (a) 15:50 (b) 17:50 (c) 16:50
  33. 33.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 a.m. (c) 6:45 a.m.
  34. 34.How many hours are there from 05:00 to 07:00?
  35. 35.What is 14:05 in 12-hour time? (a) 2:05 p.m. (b) 2:05 a.m. (c) 4:05 p.m.
  36. 36.A film is 4 hours 15 minutes long. How many minutes is that?
  37. 37.A train leaves at 19:30 and reaches at 22:30. How long is the journey (in minutes)?
  38. 38.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 03:40 (c) 15:40
  39. 39.A film is 4 hours 35 minutes long. How many minutes is that?
  40. 40.A match starts at 15:35 and lasts 4 hours 35 minutes. At what time does it end? (a) 20:10 (b) 19:10 (c) 21:10

Answer key

  1. 21:50
  2. 3:05 a.m.
  3. 75
  4. 17:45
  5. 6
  6. 5:10 p.m.
  7. 245
  8. 08:05
  9. 13:05
  10. 30
  11. 16
  12. 9:45 a.m.
  13. 50
  14. 90
  15. 07:40
  16. 10:10
  17. 03:40
  18. 6:20 p.m.
  19. 145
  20. 105
  21. 230
  22. 6
  23. 05:45
  24. 165
  25. 60
  26. 85
  27. 7:10 p.m.
  28. 14:35
  29. 1:05 a.m.
  30. 11
  31. 1:50 a.m.
  32. 16:50
  33. 6:45 a.m.
  34. 2
  35. 2:05 p.m.
  36. 255
  37. 180
  38. 15:40
  39. 275
  40. 20:10

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