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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 666 · 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 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
  2. 2.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 10:25
  3. 3.A match starts at 17:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
  4. 4.A film is 1 hour 20 minutes long. How many minutes is that?
  5. 5.Write 11:50 p.m. in 24-hour time. (a) 11:50 (b) 01:50 (c) 23:50
  6. 6.A film is 3 hours 15 minutes long. How many minutes is that?
  7. 7.How many hours are there from 11:00 to 15:00?
  8. 8.Write 7:35 a.m. in 24-hour time. (a) 07:35 (b) 19:35 (c) 09:35
  9. 9.How many hours are there from 07:00 to 13:00?
  10. 10.A train leaves at 14:15 and reaches at 15:05. How long is the journey (in minutes)?
  11. 11.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 09:15
  12. 12.Write 1:30 a.m. in 24-hour time. (a) 03:30 (b) 01:30 (c) 13:30
  13. 13.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 4:20 p.m. (c) 2:20 p.m.
  14. 14.What is 17:50 in 12-hour time? (a) 7:50 p.m. (b) 5:50 p.m. (c) 5:50 a.m.
  15. 15.Write 11:45 a.m. in 24-hour time. (a) 11:45 (b) 23:45 (c) 13:45
  16. 16.A train leaves at 06:55 and reaches at 08:35. How long is the journey (in minutes)?
  17. 17.A train leaves at 12:00 and reaches at 15:00. How long is the journey (in minutes)?
  18. 18.Write 8:45 a.m. in 24-hour time. (a) 08:45 (b) 20:45 (c) 10:45
  19. 19.A match starts at 13:00 and lasts 4 hours 25 minutes. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
  20. 20.How many hours are there from 10:00 to 16:00?
  21. 21.How many hours are there from 05:00 to 09:00?
  22. 22.How many hours are there from 05:00 to 17:00?
  23. 23.A train leaves at 19:15 and reaches at 20:10. How long is the journey (in minutes)?
  24. 24.A film is 4 hours 15 minutes long. How many minutes is that?
  25. 25.What is 18:50 in 12-hour time? (a) 6:50 a.m. (b) 6:50 p.m. (c) 8:50 p.m.
  26. 26.What is 20:30 in 12-hour time? (a) 10:30 p.m. (b) 8:30 a.m. (c) 8:30 p.m.
  27. 27.How many hours are there from 10:00 to 17:00?
  28. 28.A train leaves at 06:00 and reaches at 06:25. How long is the journey (in minutes)?
  29. 29.How many hours are there from 08:00 to 21:00?
  30. 30.A film is 2 hours 15 minutes long. How many minutes is that?
  31. 31.How many hours are there from 09:00 to 16:00?
  32. 32.What is 23:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 p.m.
  33. 33.A film is 3 hours 40 minutes long. How many minutes is that?
  34. 34.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
  35. 35.A train leaves at 17:00 and reaches at 19:20. How long is the journey (in minutes)?
  36. 36.What is 10:15 in 12-hour time? (a) 12:15 a.m. (b) 10:15 p.m. (c) 10:15 a.m.
  37. 37.A film is 2 hours 55 minutes long. How many minutes is that?
  38. 38.A film is 4 hours 45 minutes long. How many minutes is that?
  39. 39.A train leaves at 19:00 and reaches at 19:30. How long is the journey (in minutes)?
  40. 40.A film is 1 hour 35 minutes long. How many minutes is that?

Answer key

  1. 02:10
  2. 08:25
  3. 20:10
  4. 80
  5. 23:50
  6. 195
  7. 4
  8. 07:35
  9. 6
  10. 50
  11. 07:15
  12. 01:30
  13. 2:20 p.m.
  14. 5:50 p.m.
  15. 11:45
  16. 100
  17. 180
  18. 08:45
  19. 17:25
  20. 6
  21. 4
  22. 12
  23. 55
  24. 255
  25. 6:50 p.m.
  26. 8:30 p.m.
  27. 7
  28. 25
  29. 13
  30. 135
  31. 7
  32. 11:50 p.m.
  33. 220
  34. 1:50 a.m.
  35. 140
  36. 10:15 a.m.
  37. 175
  38. 285
  39. 30
  40. 95

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