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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 848 · 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.How many hours are there from 09:00 to 19:00?
  2. 2.How many hours are there from 11:00 to 20:00?
  3. 3.Write 6:05 p.m. in 24-hour time. (a) 20:05 (b) 18:05 (c) 06:05
  4. 4.A match starts at 07:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 09:10 (b) 08:10 (c) 10:10
  5. 5.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 10:25
  6. 6.How many hours are there from 10:00 to 17:00?
  7. 7.What is 07:00 in 12-hour time? (a) 7:00 p.m. (b) 9:00 a.m. (c) 7:00 a.m.
  8. 8.A train leaves at 07:20 and reaches at 08:00. How long is the journey (in minutes)?
  9. 9.A film is 4 hours 20 minutes long. How many minutes is that?
  10. 10.What is 05:25 in 12-hour time? (a) 7:25 a.m. (b) 5:25 a.m. (c) 5:25 p.m.
  11. 11.Write 11:00 p.m. in 24-hour time. (a) 11:00 (b) 23:00 (c) 01:00
  12. 12.Write 4:25 p.m. in 24-hour time. (a) 16:25 (b) 04:25 (c) 18:25
  13. 13.A film is 4 hours 35 minutes long. How many minutes is that?
  14. 14.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45
  15. 15.A train leaves at 08:45 and reaches at 10:25. How long is the journey (in minutes)?
  16. 16.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 04:35
  17. 17.What is 10:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 a.m. (c) 10:20 p.m.
  18. 18.How many hours are there from 06:00 to 13:00?
  19. 19.A match starts at 14:30 and lasts 1 hour 20 minutes. At what time does it end? (a) 14:50 (b) 15:50 (c) 16:50
  20. 20.A match starts at 12:05 and lasts 4 hours 45 minutes. At what time does it end? (a) 17:50 (b) 15:50 (c) 16:50
  21. 21.A match starts at 12:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 14:05 (b) 15:05 (c) 13:05
  22. 22.How many hours are there from 11:00 to 19:00?
  23. 23.What is 16:55 in 12-hour time? (a) 4:55 a.m. (b) 4:55 p.m. (c) 6:55 p.m.
  24. 24.A match starts at 06:05 and lasts 1 hour 10 minutes. At what time does it end? (a) 06:15 (b) 08:15 (c) 07:15
  25. 25.A film is 1 hour 5 minutes long. How many minutes is that?
  26. 26.A match starts at 10:35 and lasts 4 hours 35 minutes. At what time does it end? (a) 16:10 (b) 14:10 (c) 15:10
  27. 27.How many hours are there from 09:00 to 20:00?
  28. 28.A film is 1 hour 55 minutes long. How many minutes is that?
  29. 29.Write 8:35 p.m. in 24-hour time. (a) 20:35 (b) 08:35 (c) 22:35
  30. 30.Write 11:55 p.m. in 24-hour time. (a) 23:55 (b) 01:55 (c) 11:55
  31. 31.A film is 3 hours 55 minutes long. How many minutes is that?
  32. 32.How many hours are there from 08:00 to 22:00?
  33. 33.A film is 4 hours 55 minutes long. How many minutes is that?
  34. 34.A film is 1 hour 20 minutes long. How many minutes is that?
  35. 35.A match starts at 08:35 and lasts 3 hours 35 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 11:10
  36. 36.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 p.m. (c) 2:35 a.m.
  37. 37.How many hours are there from 05:00 to 11:00?
  38. 38.A match starts at 12:40 and lasts 3 hours 15 minutes. At what time does it end? (a) 14:55 (b) 16:55 (c) 15:55
  39. 39.A film is 3 hours 15 minutes long. How many minutes is that?
  40. 40.Write 4:05 a.m. in 24-hour time. (a) 06:05 (b) 04:05 (c) 16:05

Answer key

  1. 10
  2. 9
  3. 18:05
  4. 09:10
  5. 08:25
  6. 7
  7. 7:00 a.m.
  8. 40
  9. 260
  10. 5:25 a.m.
  11. 23:00
  12. 16:25
  13. 275
  14. 03:45
  15. 100
  16. 02:35
  17. 10:20 a.m.
  18. 7
  19. 15:50
  20. 16:50
  21. 14:05
  22. 8
  23. 4:55 p.m.
  24. 07:15
  25. 65
  26. 15:10
  27. 11
  28. 115
  29. 20:35
  30. 23:55
  31. 235
  32. 14
  33. 295
  34. 80
  35. 12:10
  36. 2:35 p.m.
  37. 6
  38. 15:55
  39. 195
  40. 04:05

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