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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 990 · 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 01:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 a.m. (c) 1:00 a.m.
  2. 2.A train leaves at 06:15 and reaches at 07:25. How long is the journey (in minutes)?
  3. 3.Write 10:10 a.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 12:10
  4. 4.Write 10:35 a.m. in 24-hour time. (a) 22:35 (b) 12:35 (c) 10:35
  5. 5.A train leaves at 14:00 and reaches at 16:20. How long is the journey (in minutes)?
  6. 6.How many hours are there from 12:00 to 19:00?
  7. 7.A match starts at 08:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 13:50 (b) 12:50 (c) 11:50
  8. 8.Write 6:40 p.m. in 24-hour time. (a) 20:40 (b) 06:40 (c) 18:40
  9. 9.A train leaves at 15:20 and reaches at 17:10. How long is the journey (in minutes)?
  10. 10.A film is 3 hours 50 minutes long. How many minutes is that?
  11. 11.A train leaves at 19:55 and reaches at 22:25. How long is the journey (in minutes)?
  12. 12.A train leaves at 08:15 and reaches at 09:10. How long is the journey (in minutes)?
  13. 13.What is 04:40 in 12-hour time? (a) 4:40 p.m. (b) 6:40 a.m. (c) 4:40 a.m.
  14. 14.A match starts at 08:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 10:25 (b) 11:25 (c) 12:25
  15. 15.A train leaves at 08:00 and reaches at 09:00. How long is the journey (in minutes)?
  16. 16.What is 08:10 in 12-hour time? (a) 8:10 p.m. (b) 10:10 a.m. (c) 8:10 a.m.
  17. 17.A film is 2 hours 55 minutes long. How many minutes is that?
  18. 18.A film is 2 hours 10 minutes long. How many minutes is that?
  19. 19.A train leaves at 18:05 and reaches at 20:50. How long is the journey (in minutes)?
  20. 20.A match starts at 14:45 and lasts 3 hours 20 minutes. At what time does it end? (a) 17:05 (b) 19:05 (c) 18:05
  21. 21.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 10:55 p.m. (c) 12:55 a.m.
  22. 22.Write 3:45 p.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 17:45
  23. 23.A train leaves at 08:30 and reaches at 09:15. How long is the journey (in minutes)?
  24. 24.A train leaves at 12:00 and reaches at 14:30. How long is the journey (in minutes)?
  25. 25.A film is 1 hour 5 minutes long. How many minutes is that?
  26. 26.A train leaves at 18:25 and reaches at 20:25. How long is the journey (in minutes)?
  27. 27.What is 02:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 a.m. (c) 2:40 p.m.
  28. 28.A match starts at 15:20 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:10 (b) 18:10 (c) 17:10
  29. 29.A film is 4 hours 25 minutes long. How many minutes is that?
  30. 30.What is 22:55 in 12-hour time? (a) 10:55 p.m. (b) 12:55 p.m. (c) 10:55 a.m.
  31. 31.How many hours are there from 06:00 to 16:00?
  32. 32.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
  33. 33.How many hours are there from 09:00 to 23:00?
  34. 34.A train leaves at 19:50 and reaches at 23:10. How long is the journey (in minutes)?
  35. 35.Write 5:30 a.m. in 24-hour time. (a) 05:30 (b) 17:30 (c) 07:30
  36. 36.What is 06:35 in 12-hour time? (a) 8:35 a.m. (b) 6:35 a.m. (c) 6:35 p.m.
  37. 37.What is 11:05 in 12-hour time? (a) 11:05 p.m. (b) 1:05 a.m. (c) 11:05 a.m.
  38. 38.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 p.m.
  39. 39.Write 7:25 a.m. in 24-hour time. (a) 09:25 (b) 07:25 (c) 19:25
  40. 40.A match starts at 13:20 and lasts 1 hour. At what time does it end? (a) 13:20 (b) 14:20 (c) 15:20

Answer key

  1. 1:00 a.m.
  2. 70
  3. 10:10
  4. 10:35
  5. 140
  6. 7
  7. 12:50
  8. 18:40
  9. 110
  10. 230
  11. 150
  12. 55
  13. 4:40 a.m.
  14. 11:25
  15. 60
  16. 8:10 a.m.
  17. 175
  18. 130
  19. 165
  20. 18:05
  21. 10:55 a.m.
  22. 15:45
  23. 45
  24. 150
  25. 65
  26. 120
  27. 2:40 a.m.
  28. 17:10
  29. 265
  30. 10:55 p.m.
  31. 10
  32. 15:05
  33. 14
  34. 200
  35. 05:30
  36. 6:35 a.m.
  37. 11:05 a.m.
  38. 11:50 p.m.
  39. 07:25
  40. 14:20

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