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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 837 · 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.How many hours are there from 11:00 to 23:00?
  2. 2.How many hours are there from 05:00 to 12:00?
  3. 3.A match starts at 16:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 21:20 (b) 19:20 (c) 20:20
  4. 4.What is 15:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 p.m. (c) 3:35 p.m.
  5. 5.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 p.m. (c) 1:55 a.m.
  6. 6.What is 02:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 a.m.
  7. 7.A film is 2 hours 30 minutes long. How many minutes is that?
  8. 8.A match starts at 06:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 09:15 (b) 10:15 (c) 08:15
  9. 9.Write 3:05 p.m. in 24-hour time. (a) 15:05 (b) 17:05 (c) 03:05
  10. 10.How many hours are there from 06:00 to 14:00?
  11. 11.Write 6:00 p.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 20:00
  12. 12.Write 1:05 a.m. in 24-hour time. (a) 01:05 (b) 13:05 (c) 03:05
  13. 13.A train leaves at 10:25 and reaches at 12:25. How long is the journey (in minutes)?
  14. 14.A film is 1 hour 10 minutes long. How many minutes is that?
  15. 15.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
  16. 16.A film is 4 hours 20 minutes long. How many minutes is that?
  17. 17.A train leaves at 10:30 and reaches at 13:20. How long is the journey (in minutes)?
  18. 18.A train leaves at 12:00 and reaches at 12:40. How long is the journey (in minutes)?
  19. 19.How many hours are there from 08:00 to 18:00?
  20. 20.How many hours are there from 12:00 to 20:00?
  21. 21.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 09:50
  22. 22.A train leaves at 15:05 and reaches at 18:25. How long is the journey (in minutes)?
  23. 23.A film is 2 hours 5 minutes long. How many minutes is that?
  24. 24.A train leaves at 09:45 and reaches at 10:45. How long is the journey (in minutes)?
  25. 25.Write 7:20 p.m. in 24-hour time. (a) 19:20 (b) 07:20 (c) 21:20
  26. 26.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 p.m. (c) 7:40 a.m.
  27. 27.A film is 4 hours 15 minutes long. How many minutes is that?
  28. 28.How many hours are there from 05:00 to 13:00?
  29. 29.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 a.m. (c) 8:05 a.m.
  30. 30.What is 23:05 in 12-hour time? (a) 11:05 p.m. (b) 1:05 p.m. (c) 11:05 a.m.
  31. 31.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 10:20 (c) 22:20
  32. 32.Write 10:55 p.m. in 24-hour time. (a) 00:55 (b) 22:55 (c) 10:55
  33. 33.How many hours are there from 08:00 to 12:00?
  34. 34.What is 21:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 p.m. (c) 9:35 p.m.
  35. 35.A match starts at 11:50 and lasts 1 hour 25 minutes. At what time does it end? (a) 12:15 (b) 13:15 (c) 14:15
  36. 36.How many hours are there from 11:00 to 16:00?
  37. 37.Write 7:25 p.m. in 24-hour time. (a) 07:25 (b) 21:25 (c) 19:25
  38. 38.A match starts at 16:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 17:15 (b) 18:15 (c) 19:15
  39. 39.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
  40. 40.How many hours are there from 12:00 to 19:00?

Answer key

  1. 12
  2. 7
  3. 20:20
  4. 3:35 p.m.
  5. 1:55 a.m.
  6. 2:10 a.m.
  7. 150
  8. 09:15
  9. 15:05
  10. 8
  11. 18:00
  12. 01:05
  13. 120
  14. 70
  15. 20:35
  16. 260
  17. 170
  18. 40
  19. 10
  20. 8
  21. 07:50
  22. 200
  23. 125
  24. 60
  25. 19:20
  26. 7:40 p.m.
  27. 255
  28. 8
  29. 8:05 a.m.
  30. 11:05 p.m.
  31. 22:20
  32. 22:55
  33. 4
  34. 9:35 p.m.
  35. 13:15
  36. 5
  37. 19:25
  38. 18:15
  39. 10:55
  40. 7

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