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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 963 · 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 7:25 p.m. in 24-hour time. (a) 21:25 (b) 19:25 (c) 07:25
  2. 2.Write 7:55 a.m. in 24-hour time. (a) 09:55 (b) 07:55 (c) 19:55
  3. 3.A train leaves at 15:20 and reaches at 16:35. How long is the journey (in minutes)?
  4. 4.Write 6:30 a.m. in 24-hour time. (a) 18:30 (b) 06:30 (c) 08:30
  5. 5.Write 10:00 a.m. in 24-hour time. (a) 12:00 (b) 22:00 (c) 10:00
  6. 6.A train leaves at 08:35 and reaches at 09:30. How long is the journey (in minutes)?
  7. 7.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 p.m. (c) 1:40 a.m.
  8. 8.A train leaves at 08:55 and reaches at 10:20. How long is the journey (in minutes)?
  9. 9.A match starts at 17:40 and lasts 4 hours 35 minutes. At what time does it end? (a) 22:15 (b) 21:15 (c) 23:15
  10. 10.A match starts at 15:30 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:15 (b) 20:15 (c) 21:15
  11. 11.How many hours are there from 10:00 to 16:00?
  12. 12.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 a.m. (c) 3:15 p.m.
  13. 13.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 23:45 (c) 09:45
  14. 14.A film is 3 hours 25 minutes long. How many minutes is that?
  15. 15.What is 06:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 a.m.
  16. 16.A match starts at 16:10 and lasts 1 hour 55 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 17:05
  17. 17.What is 05:40 in 12-hour time? (a) 7:40 a.m. (b) 5:40 a.m. (c) 5:40 p.m.
  18. 18.A train leaves at 17:45 and reaches at 19:15. How long is the journey (in minutes)?
  19. 19.What is 23:00 in 12-hour time? (a) 1:00 p.m. (b) 11:00 p.m. (c) 11:00 a.m.
  20. 20.A train leaves at 12:45 and reaches at 15:50. How long is the journey (in minutes)?
  21. 21.How many hours are there from 12:00 to 23:00?
  22. 22.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 13:05 (c) 01:05
  23. 23.A film is 2 hours 55 minutes long. How many minutes is that?
  24. 24.How many hours are there from 07:00 to 17:00?
  25. 25.How many hours are there from 05:00 to 13:00?
  26. 26.A match starts at 10:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
  27. 27.How many hours are there from 06:00 to 21:00?
  28. 28.Write 2:40 a.m. in 24-hour time. (a) 02:40 (b) 04:40 (c) 14:40
  29. 29.How many hours are there from 12:00 to 18:00?
  30. 30.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 7:50 p.m. (c) 5:50 p.m.
  31. 31.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 20:10 (c) 08:10
  32. 32.How many hours are there from 05:00 to 11:00?
  33. 33.Write 4:35 p.m. in 24-hour time. (a) 18:35 (b) 16:35 (c) 04:35
  34. 34.A match starts at 11:45 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 17:05
  35. 35.A train leaves at 12:25 and reaches at 14:35. How long is the journey (in minutes)?
  36. 36.A match starts at 12:20 and lasts 3 hours 55 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15
  37. 37.How many hours are there from 10:00 to 22:00?
  38. 38.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 03:00
  39. 39.How many hours are there from 05:00 to 07:00?
  40. 40.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.

Answer key

  1. 19:25
  2. 07:55
  3. 75
  4. 06:30
  5. 10:00
  6. 55
  7. 1:40 p.m.
  8. 85
  9. 22:15
  10. 20:15
  11. 6
  12. 3:15 a.m.
  13. 21:45
  14. 205
  15. 6:05 a.m.
  16. 18:05
  17. 5:40 a.m.
  18. 90
  19. 11:00 p.m.
  20. 185
  21. 11
  22. 01:05
  23. 175
  24. 10
  25. 8
  26. 11:45
  27. 15
  28. 02:40
  29. 6
  30. 5:50 p.m.
  31. 08:10
  32. 6
  33. 16:35
  34. 16:05
  35. 130
  36. 16:15
  37. 12
  38. 01:00
  39. 2
  40. 6:50 a.m.

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