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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 728 · 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 4:50 a.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 06:50
  2. 2.A film is 4 hours 25 minutes long. How many minutes is that?
  3. 3.How many hours are there from 07:00 to 11:00?
  4. 4.How many hours are there from 12:00 to 20:00?
  5. 5.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 18:15 (c) 16:15
  6. 6.A film is 2 hours 15 minutes long. How many minutes is that?
  7. 7.Write 5:45 a.m. in 24-hour time. (a) 05:45 (b) 07:45 (c) 17:45
  8. 8.Write 9:50 a.m. in 24-hour time. (a) 21:50 (b) 11:50 (c) 09:50
  9. 9.How many hours are there from 06:00 to 15:00?
  10. 10.How many hours are there from 07:00 to 09:00?
  11. 11.A match starts at 13:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 18:10 (b) 17:10 (c) 19:10
  12. 12.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 a.m. (c) 7:00 p.m.
  13. 13.A train leaves at 18:30 and reaches at 19:35. How long is the journey (in minutes)?
  14. 14.What is 18:40 in 12-hour time? (a) 8:40 p.m. (b) 6:40 p.m. (c) 6:40 a.m.
  15. 15.A film is 3 hours 10 minutes long. How many minutes is that?
  16. 16.A match starts at 15:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15
  17. 17.A film is 1 hour 45 minutes long. How many minutes is that?
  18. 18.A film is 1 hour 15 minutes long. How many minutes is that?
  19. 19.A match starts at 07:40 and lasts 3 hours 15 minutes. At what time does it end? (a) 11:55 (b) 09:55 (c) 10:55
  20. 20.A train leaves at 07:35 and reaches at 10:30. How long is the journey (in minutes)?
  21. 21.Write 1:10 p.m. in 24-hour time. (a) 15:10 (b) 01:10 (c) 13:10
  22. 22.A match starts at 10:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:25 (b) 15:25 (c) 14:25
  23. 23.How many hours are there from 07:00 to 15:00?
  24. 24.A train leaves at 13:15 and reaches at 16:20. How long is the journey (in minutes)?
  25. 25.A train leaves at 13:45 and reaches at 15:45. How long is the journey (in minutes)?
  26. 26.A train leaves at 10:05 and reaches at 11:35. How long is the journey (in minutes)?
  27. 27.A film is 3 hours 20 minutes long. How many minutes is that?
  28. 28.A film is 3 hours 30 minutes long. How many minutes is that?
  29. 29.A film is 1 hour 35 minutes long. How many minutes is that?
  30. 30.How many hours are there from 09:00 to 11:00?
  31. 31.Write 2:50 p.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 16:50
  32. 32.How many hours are there from 10:00 to 15:00?
  33. 33.A film is 3 hours 40 minutes long. How many minutes is that?
  34. 34.How many hours are there from 05:00 to 23:00?
  35. 35.A film is 1 hour 55 minutes long. How many minutes is that?
  36. 36.A film is 2 hours 5 minutes long. How many minutes is that?
  37. 37.What is 19:10 in 12-hour time? (a) 7:10 a.m. (b) 9:10 p.m. (c) 7:10 p.m.
  38. 38.Write 8:50 p.m. in 24-hour time. (a) 08:50 (b) 22:50 (c) 20:50
  39. 39.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 p.m. (c) 3:40 a.m.
  40. 40.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 a.m.

Answer key

  1. 04:50
  2. 265
  3. 4
  4. 8
  5. 16:15
  6. 135
  7. 05:45
  8. 09:50
  9. 9
  10. 2
  11. 18:10
  12. 7:00 a.m.
  13. 65
  14. 6:40 p.m.
  15. 190
  16. 19:15
  17. 105
  18. 75
  19. 10:55
  20. 175
  21. 13:10
  22. 15:25
  23. 8
  24. 185
  25. 120
  26. 90
  27. 200
  28. 210
  29. 95
  30. 2
  31. 14:50
  32. 5
  33. 220
  34. 18
  35. 115
  36. 125
  37. 7:10 p.m.
  38. 20:50
  39. 3:40 p.m.
  40. 3:50 a.m.

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