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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 499 · 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 2:55 a.m. in 24-hour time. (a) 02:55 (b) 04:55 (c) 14:55
  2. 2.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
  3. 3.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 07:35 (c) 19:35
  4. 4.A match starts at 18:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 23:05 (b) 22:05 (c) 00:05
  5. 5.A match starts at 16:50 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:25 (b) 18:25 (c) 19:25
  6. 6.How many hours are there from 10:00 to 12:00?
  7. 7.A match starts at 18:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 19:00
  8. 8.What is 01:20 in 12-hour time? (a) 1:20 p.m. (b) 3:20 a.m. (c) 1:20 a.m.
  9. 9.How many hours are there from 06:00 to 20:00?
  10. 10.A match starts at 06:50 and lasts 2 hours 50 minutes. At what time does it end? (a) 10:40 (b) 08:40 (c) 09:40
  11. 11.How many hours are there from 08:00 to 16:00?
  12. 12.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 17:15 (c) 15:15
  13. 13.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 05:45 (c) 17:45
  14. 14.A match starts at 16:30 and lasts 3 hours 20 minutes. At what time does it end? (a) 20:50 (b) 19:50 (c) 18:50
  15. 15.A film is 3 hours 45 minutes long. How many minutes is that?
  16. 16.A match starts at 12:10 and lasts 3 hours 40 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
  17. 17.How many hours are there from 08:00 to 11:00?
  18. 18.Write 1:15 a.m. in 24-hour time. (a) 13:15 (b) 03:15 (c) 01:15
  19. 19.How many hours are there from 08:00 to 17:00?
  20. 20.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
  21. 21.A match starts at 15:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:05 (b) 17:05 (c) 18:05
  22. 22.A film is 3 hours 10 minutes long. How many minutes is that?
  23. 23.What is 23:10 in 12-hour time? (a) 1:10 p.m. (b) 11:10 a.m. (c) 11:10 p.m.
  24. 24.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 03:20 (c) 01:20
  25. 25.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 p.m. (c) 1:55 p.m.
  26. 26.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 11:10 a.m. (c) 1:10 a.m.
  27. 27.How many hours are there from 10:00 to 21:00?
  28. 28.A film is 3 hours 20 minutes long. How many minutes is that?
  29. 29.A film is 1 hour 30 minutes long. How many minutes is that?
  30. 30.How many hours are there from 12:00 to 22:00?
  31. 31.What is 07:40 in 12-hour time? (a) 9:40 a.m. (b) 7:40 a.m. (c) 7:40 p.m.
  32. 32.A train leaves at 09:05 and reaches at 12:15. How long is the journey (in minutes)?
  33. 33.What is 09:40 in 12-hour time? (a) 9:40 p.m. (b) 9:40 a.m. (c) 11:40 a.m.
  34. 34.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 16:15
  35. 35.A train leaves at 17:10 and reaches at 19:05. How long is the journey (in minutes)?
  36. 36.Write 9:20 p.m. in 24-hour time. (a) 09:20 (b) 23:20 (c) 21:20
  37. 37.A train leaves at 07:20 and reaches at 07:50. How long is the journey (in minutes)?
  38. 38.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 07:05
  39. 39.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 21:05 (c) 09:05
  40. 40.Write 5:35 p.m. in 24-hour time. (a) 17:35 (b) 19:35 (c) 05:35

Answer key

  1. 02:55
  2. 04:05
  3. 07:35
  4. 23:05
  5. 18:25
  6. 2
  7. 20:00
  8. 1:20 a.m.
  9. 14
  10. 09:40
  11. 8
  12. 15:15
  13. 05:45
  14. 19:50
  15. 225
  16. 15:50
  17. 3
  18. 01:15
  19. 9
  20. 17:05
  21. 18:05
  22. 190
  23. 11:10 p.m.
  24. 01:20
  25. 1:55 p.m.
  26. 11:10 a.m.
  27. 11
  28. 200
  29. 90
  30. 10
  31. 7:40 a.m.
  32. 190
  33. 9:40 a.m.
  34. 14:15
  35. 115
  36. 21:20
  37. 30
  38. 05:05
  39. 09:05
  40. 17:35

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