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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 759 · 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 10:05 in 12-hour time? (a) 12:05 a.m. (b) 10:05 a.m. (c) 10:05 p.m.
  2. 2.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 a.m. (c) 9:05 p.m.
  3. 3.A train leaves at 18:50 and reaches at 21:00. How long is the journey (in minutes)?
  4. 4.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 p.m. (c) 2:25 a.m.
  5. 5.A train leaves at 07:00 and reaches at 10:20. How long is the journey (in minutes)?
  6. 6.How many hours are there from 06:00 to 13:00?
  7. 7.A train leaves at 14:00 and reaches at 15:30. How long is the journey (in minutes)?
  8. 8.Write 6:20 p.m. in 24-hour time. (a) 18:20 (b) 06:20 (c) 20:20
  9. 9.A film is 4 hours 25 minutes long. How many minutes is that?
  10. 10.A match starts at 10:30 and lasts 3 hours 20 minutes. At what time does it end? (a) 14:50 (b) 12:50 (c) 13:50
  11. 11.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 p.m. (c) 6:00 a.m.
  12. 12.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55
  13. 13.Write 10:45 p.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 00:45
  14. 14.Write 8:05 a.m. in 24-hour time. (a) 08:05 (b) 10:05 (c) 20:05
  15. 15.Write 8:45 p.m. in 24-hour time. (a) 22:45 (b) 08:45 (c) 20:45
  16. 16.How many hours are there from 06:00 to 16:00?
  17. 17.How many hours are there from 05:00 to 16:00?
  18. 18.A train leaves at 13:40 and reaches at 16:35. How long is the journey (in minutes)?
  19. 19.Write 6:15 p.m. in 24-hour time. (a) 06:15 (b) 18:15 (c) 20:15
  20. 20.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 08:15 (c) 10:15
  21. 21.A match starts at 10:05 and lasts 4 hours. At what time does it end? (a) 14:05 (b) 15:05 (c) 13:05
  22. 22.A film is 3 hours 40 minutes long. How many minutes is that?
  23. 23.A match starts at 17:30 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:15 (b) 21:15 (c) 23:15
  24. 24.What is 21:40 in 12-hour time? (a) 9:40 p.m. (b) 9:40 a.m. (c) 11:40 p.m.
  25. 25.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 a.m. (c) 3:40 a.m.
  26. 26.How many hours are there from 06:00 to 10:00?
  27. 27.What is 21:50 in 12-hour time? (a) 11:50 p.m. (b) 9:50 a.m. (c) 9:50 p.m.
  28. 28.A train leaves at 14:35 and reaches at 15:20. How long is the journey (in minutes)?
  29. 29.A train leaves at 07:10 and reaches at 09:25. How long is the journey (in minutes)?
  30. 30.How many hours are there from 12:00 to 15:00?
  31. 31.What is 09:55 in 12-hour time? (a) 11:55 a.m. (b) 9:55 p.m. (c) 9:55 a.m.
  32. 32.A match starts at 17:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 22:05 (b) 20:05 (c) 21:05
  33. 33.How many hours are there from 05:00 to 17:00?
  34. 34.Write 9:00 a.m. in 24-hour time. (a) 09:00 (b) 21:00 (c) 11:00
  35. 35.A match starts at 07:45 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:55 (b) 07:55 (c) 08:55
  36. 36.Write 6:00 a.m. in 24-hour time. (a) 06:00 (b) 08:00 (c) 18:00
  37. 37.A train leaves at 13:35 and reaches at 15:40. How long is the journey (in minutes)?
  38. 38.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 p.m. (c) 10:55 p.m.
  39. 39.Write 9:15 a.m. in 24-hour time. (a) 11:15 (b) 21:15 (c) 09:15
  40. 40.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 06:10 (c) 18:10

Answer key

  1. 10:05 a.m.
  2. 9:05 a.m.
  3. 130
  4. 2:25 a.m.
  5. 200
  6. 7
  7. 90
  8. 18:20
  9. 265
  10. 13:50
  11. 6:00 p.m.
  12. 01:55
  13. 22:45
  14. 08:05
  15. 20:45
  16. 10
  17. 11
  18. 175
  19. 18:15
  20. 08:15
  21. 14:05
  22. 220
  23. 22:15
  24. 9:40 p.m.
  25. 3:40 a.m.
  26. 4
  27. 9:50 p.m.
  28. 45
  29. 135
  30. 3
  31. 9:55 a.m.
  32. 21:05
  33. 12
  34. 09:00
  35. 08:55
  36. 06:00
  37. 125
  38. 10:55 p.m.
  39. 09:15
  40. 18:10

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