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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 353 · 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 7:55 a.m. in 24-hour time. (a) 07:55 (b) 09:55 (c) 19:55
  2. 2.How many hours are there from 12:00 to 14:00?
  3. 3.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
  4. 4.How many hours are there from 07:00 to 13:00?
  5. 5.A match starts at 13:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:25 (b) 16:25 (c) 15:25
  6. 6.A train leaves at 10:05 and reaches at 13:25. How long is the journey (in minutes)?
  7. 7.A film is 4 hours 20 minutes long. How many minutes is that?
  8. 8.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 10:30 a.m. (c) 12:30 a.m.
  9. 9.Write 9:35 a.m. in 24-hour time. (a) 09:35 (b) 11:35 (c) 21:35
  10. 10.How many hours are there from 05:00 to 13:00?
  11. 11.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 12:10
  12. 12.What is 04:35 in 12-hour time? (a) 4:35 a.m. (b) 4:35 p.m. (c) 6:35 a.m.
  13. 13.Write 3:35 a.m. in 24-hour time. (a) 03:35 (b) 15:35 (c) 05:35
  14. 14.How many hours are there from 11:00 to 15:00?
  15. 15.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 01:20 (c) 13:20
  16. 16.How many hours are there from 10:00 to 14:00?
  17. 17.What is 16:05 in 12-hour time? (a) 4:05 p.m. (b) 4:05 a.m. (c) 6:05 p.m.
  18. 18.How many hours are there from 07:00 to 09:00?
  19. 19.A match starts at 08:45 and lasts 3 hours 40 minutes. At what time does it end? (a) 11:25 (b) 12:25 (c) 13:25
  20. 20.Write 6:20 a.m. in 24-hour time. (a) 08:20 (b) 06:20 (c) 18:20
  21. 21.How many hours are there from 06:00 to 15:00?
  22. 22.A match starts at 06:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 12:15 (b) 11:15 (c) 10:15
  23. 23.Write 10:05 p.m. in 24-hour time. (a) 00:05 (b) 22:05 (c) 10:05
  24. 24.What is 15:45 in 12-hour time? (a) 5:45 p.m. (b) 3:45 p.m. (c) 3:45 a.m.
  25. 25.A train leaves at 06:20 and reaches at 08:55. How long is the journey (in minutes)?
  26. 26.Write 7:45 p.m. in 24-hour time. (a) 21:45 (b) 07:45 (c) 19:45
  27. 27.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 a.m. (c) 6:50 a.m.
  28. 28.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
  29. 29.A train leaves at 13:05 and reaches at 13:40. How long is the journey (in minutes)?
  30. 30.A train leaves at 13:55 and reaches at 15:45. How long is the journey (in minutes)?
  31. 31.Write 2:55 a.m. in 24-hour time. (a) 02:55 (b) 04:55 (c) 14:55
  32. 32.A match starts at 15:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 20:05
  33. 33.A match starts at 06:10 and lasts 4 hours. At what time does it end? (a) 10:10 (b) 09:10 (c) 11:10
  34. 34.What is 14:50 in 12-hour time? (a) 2:50 p.m. (b) 4:50 p.m. (c) 2:50 a.m.
  35. 35.How many hours are there from 06:00 to 18:00?
  36. 36.How many hours are there from 11:00 to 16:00?
  37. 37.Write 8:25 p.m. in 24-hour time. (a) 08:25 (b) 22:25 (c) 20:25
  38. 38.What is 03:45 in 12-hour time? (a) 5:45 a.m. (b) 3:45 p.m. (c) 3:45 a.m.
  39. 39.A train leaves at 14:40 and reaches at 15:20. How long is the journey (in minutes)?
  40. 40.Write 9:15 a.m. in 24-hour time. (a) 11:15 (b) 21:15 (c) 09:15

Answer key

  1. 07:55
  2. 2
  3. 07:20
  4. 6
  5. 15:25
  6. 200
  7. 260
  8. 10:30 a.m.
  9. 09:35
  10. 8
  11. 10:10
  12. 4:35 a.m.
  13. 03:35
  14. 4
  15. 13:20
  16. 4
  17. 4:05 p.m.
  18. 2
  19. 12:25
  20. 06:20
  21. 9
  22. 11:15
  23. 22:05
  24. 3:45 p.m.
  25. 155
  26. 19:45
  27. 6:50 a.m.
  28. 1:05 a.m.
  29. 35
  30. 110
  31. 02:55
  32. 19:05
  33. 10:10
  34. 2:50 p.m.
  35. 12
  36. 5
  37. 20:25
  38. 3:45 a.m.
  39. 40
  40. 09:15

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