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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 691 · 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 6:35 a.m. in 24-hour time. (a) 08:35 (b) 06:35 (c) 18:35
  2. 2.What is 09:30 in 12-hour time? (a) 9:30 p.m. (b) 11:30 a.m. (c) 9:30 a.m.
  3. 3.A train leaves at 09:00 and reaches at 11:30. How long is the journey (in minutes)?
  4. 4.A match starts at 17:55 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 20:05
  5. 5.A train leaves at 17:40 and reaches at 19:40. How long is the journey (in minutes)?
  6. 6.What is 19:45 in 12-hour time? (a) 7:45 a.m. (b) 9:45 p.m. (c) 7:45 p.m.
  7. 7.A train leaves at 07:05 and reaches at 08:15. How long is the journey (in minutes)?
  8. 8.A train leaves at 09:50 and reaches at 10:15. How long is the journey (in minutes)?
  9. 9.How many hours are there from 09:00 to 15:00?
  10. 10.How many hours are there from 09:00 to 22:00?
  11. 11.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 18:50 (c) 20:50
  12. 12.How many hours are there from 10:00 to 17:00?
  13. 13.A film is 1 hour 35 minutes long. How many minutes is that?
  14. 14.A train leaves at 10:25 and reaches at 11:45. How long is the journey (in minutes)?
  15. 15.What is 20:15 in 12-hour time? (a) 8:15 p.m. (b) 10:15 p.m. (c) 8:15 a.m.
  16. 16.A train leaves at 13:55 and reaches at 15:00. How long is the journey (in minutes)?
  17. 17.A film is 3 hours 5 minutes long. How many minutes is that?
  18. 18.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
  19. 19.Write 6:05 p.m. in 24-hour time. (a) 06:05 (b) 18:05 (c) 20:05
  20. 20.A match starts at 07:40 and lasts 1 hour 15 minutes. At what time does it end? (a) 08:55 (b) 07:55 (c) 09:55
  21. 21.A film is 2 hours 45 minutes long. How many minutes is that?
  22. 22.A train leaves at 09:05 and reaches at 11:05. How long is the journey (in minutes)?
  23. 23.A train leaves at 18:50 and reaches at 19:55. How long is the journey (in minutes)?
  24. 24.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 03:00 (c) 13:00
  25. 25.How many hours are there from 06:00 to 16:00?
  26. 26.How many hours are there from 10:00 to 20:00?
  27. 27.What is 22:35 in 12-hour time? (a) 10:35 p.m. (b) 12:35 p.m. (c) 10:35 a.m.
  28. 28.A match starts at 11:00 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
  29. 29.A film is 1 hour 50 minutes long. How many minutes is that?
  30. 30.A train leaves at 11:25 and reaches at 13:45. How long is the journey (in minutes)?
  31. 31.A film is 4 hours 40 minutes long. How many minutes is that?
  32. 32.How many hours are there from 06:00 to 15:00?
  33. 33.How many hours are there from 07:00 to 23:00?
  34. 34.A train leaves at 17:05 and reaches at 18:10. How long is the journey (in minutes)?
  35. 35.How many hours are there from 06:00 to 23:00?
  36. 36.Write 5:15 a.m. in 24-hour time. (a) 07:15 (b) 05:15 (c) 17:15
  37. 37.Write 11:00 p.m. in 24-hour time. (a) 11:00 (b) 23:00 (c) 01:00
  38. 38.A match starts at 14:45 and lasts 2 hours 50 minutes. At what time does it end? (a) 17:35 (b) 16:35 (c) 18:35
  39. 39.A film is 3 hours 25 minutes long. How many minutes is that?
  40. 40.Write 7:50 p.m. in 24-hour time. (a) 21:50 (b) 07:50 (c) 19:50

Answer key

  1. 06:35
  2. 9:30 a.m.
  3. 150
  4. 19:05
  5. 120
  6. 7:45 p.m.
  7. 70
  8. 25
  9. 6
  10. 13
  11. 18:50
  12. 7
  13. 95
  14. 80
  15. 8:15 p.m.
  16. 65
  17. 185
  18. 1:35 a.m.
  19. 18:05
  20. 08:55
  21. 165
  22. 120
  23. 65
  24. 01:00
  25. 10
  26. 10
  27. 10:35 p.m.
  28. 15:50
  29. 110
  30. 140
  31. 280
  32. 9
  33. 16
  34. 65
  35. 17
  36. 05:15
  37. 23:00
  38. 17:35
  39. 205
  40. 19:50

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