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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 686 · 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 6:20 a.m. in 24-hour time. (a) 18:20 (b) 08:20 (c) 06:20
  2. 2.Write 4:55 p.m. in 24-hour time. (a) 04:55 (b) 16:55 (c) 18:55
  3. 3.Write 7:45 p.m. in 24-hour time. (a) 21:45 (b) 07:45 (c) 19:45
  4. 4.A match starts at 11:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 13:15
  5. 5.A match starts at 14:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 14:10
  6. 6.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 04:30 (c) 06:30
  7. 7.A match starts at 15:15 and lasts 3 hours 5 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 19:20
  8. 8.A train leaves at 06:40 and reaches at 07:25. How long is the journey (in minutes)?
  9. 9.A match starts at 17:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15
  10. 10.A film is 3 hours 50 minutes long. How many minutes is that?
  11. 11.A film is 2 hours 10 minutes long. How many minutes is that?
  12. 12.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 a.m.
  13. 13.How many hours are there from 11:00 to 22:00?
  14. 14.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 09:50 (c) 07:50
  15. 15.What is 04:35 in 12-hour time? (a) 6:35 a.m. (b) 4:35 a.m. (c) 4:35 p.m.
  16. 16.Write 5:50 p.m. in 24-hour time. (a) 19:50 (b) 17:50 (c) 05:50
  17. 17.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 a.m.
  18. 18.How many hours are there from 07:00 to 12:00?
  19. 19.How many hours are there from 12:00 to 14:00?
  20. 20.Write 7:05 a.m. in 24-hour time. (a) 07:05 (b) 19:05 (c) 09:05
  21. 21.What is 23:45 in 12-hour time? (a) 11:45 a.m. (b) 1:45 p.m. (c) 11:45 p.m.
  22. 22.Write 1:40 a.m. in 24-hour time. (a) 01:40 (b) 13:40 (c) 03:40
  23. 23.How many hours are there from 11:00 to 20:00?
  24. 24.How many hours are there from 10:00 to 12:00?
  25. 25.A match starts at 09:35 and lasts 3 hours 20 minutes. At what time does it end? (a) 11:55 (b) 13:55 (c) 12:55
  26. 26.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 15:20 (c) 03:20
  27. 27.A match starts at 10:00 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:55 (b) 12:55 (c) 13:55
  28. 28.A train leaves at 17:55 and reaches at 20:05. How long is the journey (in minutes)?
  29. 29.A film is 4 hours 30 minutes long. How many minutes is that?
  30. 30.A match starts at 15:20 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:05 (b) 20:05 (c) 21:05
  31. 31.How many hours are there from 06:00 to 16:00?
  32. 32.How many hours are there from 06:00 to 08:00?
  33. 33.How many hours are there from 09:00 to 21:00?
  34. 34.A film is 4 hours 25 minutes long. How many minutes is that?
  35. 35.Write 4:15 a.m. in 24-hour time. (a) 06:15 (b) 16:15 (c) 04:15
  36. 36.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 5:15 a.m. (c) 7:15 a.m.
  37. 37.Write 2:10 p.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 16:10
  38. 38.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 07:20 (c) 19:20
  39. 39.What is 19:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 p.m.
  40. 40.What is 17:05 in 12-hour time? (a) 7:05 p.m. (b) 5:05 a.m. (c) 5:05 p.m.

Answer key

  1. 06:20
  2. 16:55
  3. 19:45
  4. 14:15
  5. 15:10
  6. 04:30
  7. 18:20
  8. 45
  9. 19:15
  10. 230
  11. 130
  12. 7:05 a.m.
  13. 11
  14. 07:50
  15. 4:35 a.m.
  16. 17:50
  17. 5:50 a.m.
  18. 5
  19. 2
  20. 07:05
  21. 11:45 p.m.
  22. 01:40
  23. 9
  24. 2
  25. 12:55
  26. 03:20
  27. 12:55
  28. 130
  29. 270
  30. 20:05
  31. 10
  32. 2
  33. 12
  34. 265
  35. 04:15
  36. 5:15 a.m.
  37. 14:10
  38. 07:20
  39. 7:20 p.m.
  40. 5:05 p.m.

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