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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 483 · 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 06:40 in 12-hour time? (a) 6:40 a.m. (b) 6:40 p.m. (c) 8:40 a.m.
  2. 2.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 10:00 (c) 20:00
  3. 3.A match starts at 11:05 and lasts 1 hour 5 minutes. At what time does it end? (a) 11:10 (b) 13:10 (c) 12:10
  4. 4.A film is 4 hours 5 minutes long. How many minutes is that?
  5. 5.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 a.m. (c) 4:20 a.m.
  6. 6.A train leaves at 10:30 and reaches at 13:00. How long is the journey (in minutes)?
  7. 7.A film is 4 hours 25 minutes long. How many minutes is that?
  8. 8.A match starts at 15:05 and lasts 1 hour 25 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 17:30
  9. 9.A film is 4 hours 35 minutes long. How many minutes is that?
  10. 10.Write 3:10 p.m. in 24-hour time. (a) 15:10 (b) 03:10 (c) 17:10
  11. 11.A film is 2 hours 10 minutes long. How many minutes is that?
  12. 12.How many hours are there from 12:00 to 16:00?
  13. 13.How many hours are there from 09:00 to 13:00?
  14. 14.Write 1:00 p.m. in 24-hour time. (a) 13:00 (b) 15:00 (c) 01:00
  15. 15.Write 8:20 a.m. in 24-hour time. (a) 20:20 (b) 10:20 (c) 08:20
  16. 16.What is 06:35 in 12-hour time? (a) 6:35 p.m. (b) 6:35 a.m. (c) 8:35 a.m.
  17. 17.A train leaves at 13:10 and reaches at 16:10. How long is the journey (in minutes)?
  18. 18.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 07:05
  19. 19.Write 3:05 a.m. in 24-hour time. (a) 03:05 (b) 05:05 (c) 15:05
  20. 20.How many hours are there from 05:00 to 12:00?
  21. 21.A film is 2 hours 35 minutes long. How many minutes is that?
  22. 22.A train leaves at 11:10 and reaches at 12:15. How long is the journey (in minutes)?
  23. 23.A train leaves at 19:05 and reaches at 20:55. How long is the journey (in minutes)?
  24. 24.A film is 2 hours 30 minutes long. How many minutes is that?
  25. 25.A match starts at 10:05 and lasts 1 hour 5 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 12:10
  26. 26.A film is 3 hours 50 minutes long. How many minutes is that?
  27. 27.How many hours are there from 05:00 to 22:00?
  28. 28.A match starts at 09:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 12:45
  29. 29.A train leaves at 17:50 and reaches at 18:40. How long is the journey (in minutes)?
  30. 30.Write 7:35 a.m. in 24-hour time. (a) 19:35 (b) 07:35 (c) 09:35
  31. 31.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 10:35 a.m. (c) 12:35 a.m.
  32. 32.Write 7:50 p.m. in 24-hour time. (a) 21:50 (b) 07:50 (c) 19:50
  33. 33.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 p.m. (c) 11:05 a.m.
  34. 34.How many hours are there from 12:00 to 21:00?
  35. 35.A film is 1 hour 40 minutes long. How many minutes is that?
  36. 36.A train leaves at 06:10 and reaches at 09:30. How long is the journey (in minutes)?
  37. 37.How many hours are there from 10:00 to 12:00?
  38. 38.How many hours are there from 08:00 to 14:00?
  39. 39.A match starts at 16:25 and lasts 3 hours 55 minutes. At what time does it end? (a) 19:20 (b) 21:20 (c) 20:20
  40. 40.A train leaves at 15:40 and reaches at 16:05. How long is the journey (in minutes)?

Answer key

  1. 6:40 a.m.
  2. 08:00
  3. 12:10
  4. 245
  5. 4:20 a.m.
  6. 150
  7. 265
  8. 16:30
  9. 275
  10. 15:10
  11. 130
  12. 4
  13. 4
  14. 13:00
  15. 08:20
  16. 6:35 a.m.
  17. 180
  18. 05:05
  19. 03:05
  20. 7
  21. 155
  22. 65
  23. 110
  24. 150
  25. 11:10
  26. 230
  27. 17
  28. 13:45
  29. 50
  30. 07:35
  31. 10:35 a.m.
  32. 19:50
  33. 11:05 p.m.
  34. 9
  35. 100
  36. 200
  37. 2
  38. 6
  39. 20:20
  40. 25

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