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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 266 · 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 2 hours 10 minutes long. How many minutes is that?
  2. 2.Write 1:40 a.m. in 24-hour time. (a) 01:40 (b) 13:40 (c) 03:40
  3. 3.A film is 4 hours 20 minutes long. How many minutes is that?
  4. 4.What is 03:15 in 12-hour time? (a) 3:15 p.m. (b) 5:15 a.m. (c) 3:15 a.m.
  5. 5.Write 3:35 a.m. in 24-hour time. (a) 03:35 (b) 05:35 (c) 15:35
  6. 6.A film is 1 hour 20 minutes long. How many minutes is that?
  7. 7.A train leaves at 10:10 and reaches at 13:05. How long is the journey (in minutes)?
  8. 8.A train leaves at 14:20 and reaches at 15:20. How long is the journey (in minutes)?
  9. 9.A film is 4 hours 30 minutes long. How many minutes is that?
  10. 10.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 a.m. (c) 3:00 a.m.
  11. 11.A film is 1 hour 25 minutes long. How many minutes is that?
  12. 12.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 p.m. (c) 10:55 a.m.
  13. 13.A train leaves at 16:40 and reaches at 18:35. How long is the journey (in minutes)?
  14. 14.What is 13:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 p.m. (c) 1:00 a.m.
  15. 15.Write 6:55 p.m. in 24-hour time. (a) 18:55 (b) 20:55 (c) 06:55
  16. 16.What is 02:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 a.m.
  17. 17.A train leaves at 11:10 and reaches at 11:35. How long is the journey (in minutes)?
  18. 18.How many hours are there from 07:00 to 11:00?
  19. 19.A film is 1 hour 10 minutes long. How many minutes is that?
  20. 20.What is 13:45 in 12-hour time? (a) 3:45 p.m. (b) 1:45 a.m. (c) 1:45 p.m.
  21. 21.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 03:45 (c) 01:45
  22. 22.What is 18:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 p.m. (c) 6:25 a.m.
  23. 23.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 p.m. (c) 2:15 a.m.
  24. 24.How many hours are there from 07:00 to 21:00?
  25. 25.How many hours are there from 12:00 to 21:00?
  26. 26.A match starts at 16:30 and lasts 3 hours 15 minutes. At what time does it end? (a) 20:45 (b) 19:45 (c) 18:45
  27. 27.Write 9:25 p.m. in 24-hour time. (a) 21:25 (b) 09:25 (c) 23:25
  28. 28.A film is 1 hour 35 minutes long. How many minutes is that?
  29. 29.A match starts at 12:10 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:55 (b) 14:55 (c) 15:55
  30. 30.A train leaves at 06:50 and reaches at 09:00. How long is the journey (in minutes)?
  31. 31.A match starts at 16:25 and lasts 4 hours 30 minutes. At what time does it end? (a) 21:55 (b) 19:55 (c) 20:55
  32. 32.How many hours are there from 05:00 to 10:00?
  33. 33.A film is 1 hour 30 minutes long. How many minutes is that?
  34. 34.Write 2:10 p.m. in 24-hour time. (a) 16:10 (b) 02:10 (c) 14:10
  35. 35.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 16:00
  36. 36.A train leaves at 10:25 and reaches at 12:10. How long is the journey (in minutes)?
  37. 37.Write 3:35 p.m. in 24-hour time. (a) 03:35 (b) 15:35 (c) 17:35
  38. 38.A train leaves at 12:40 and reaches at 14:50. How long is the journey (in minutes)?
  39. 39.How many hours are there from 10:00 to 13:00?
  40. 40.What is 18:00 in 12-hour time? (a) 6:00 a.m. (b) 6:00 p.m. (c) 8:00 p.m.

Answer key

  1. 130
  2. 01:40
  3. 260
  4. 3:15 a.m.
  5. 03:35
  6. 80
  7. 175
  8. 60
  9. 270
  10. 3:00 a.m.
  11. 85
  12. 10:55 p.m.
  13. 115
  14. 1:00 p.m.
  15. 18:55
  16. 2:20 a.m.
  17. 25
  18. 4
  19. 70
  20. 1:45 p.m.
  21. 01:45
  22. 6:25 p.m.
  23. 2:15 a.m.
  24. 14
  25. 9
  26. 19:45
  27. 21:25
  28. 95
  29. 15:55
  30. 130
  31. 20:55
  32. 5
  33. 90
  34. 14:10
  35. 14:00
  36. 105
  37. 15:35
  38. 130
  39. 3
  40. 6:00 p.m.

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