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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 390 · 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.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 a.m.
  2. 2.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 01:45 (c) 03:45
  3. 3.Write 9:15 a.m. in 24-hour time. (a) 09:15 (b) 11:15 (c) 21:15
  4. 4.How many hours are there from 11:00 to 20:00?
  5. 5.A match starts at 10:25 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 10:45
  6. 6.What is 02:50 in 12-hour time? (a) 2:50 a.m. (b) 4:50 a.m. (c) 2:50 p.m.
  7. 7.A film is 2 hours 10 minutes long. How many minutes is that?
  8. 8.How many hours are there from 11:00 to 15:00?
  9. 9.What is 20:50 in 12-hour time? (a) 8:50 a.m. (b) 8:50 p.m. (c) 10:50 p.m.
  10. 10.A film is 2 hours 55 minutes long. How many minutes is that?
  11. 11.What is 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 a.m. (c) 1:45 p.m.
  12. 12.A match starts at 12:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
  13. 13.A match starts at 16:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:20 (b) 17:20 (c) 16:20
  14. 14.Write 6:15 p.m. in 24-hour time. (a) 20:15 (b) 18:15 (c) 06:15
  15. 15.A match starts at 07:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 10:40 (b) 08:40 (c) 09:40
  16. 16.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 a.m. (c) 10:15 p.m.
  17. 17.How many hours are there from 06:00 to 18:00?
  18. 18.A train leaves at 12:05 and reaches at 12:45. How long is the journey (in minutes)?
  19. 19.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 07:10 (c) 19:10
  20. 20.A film is 2 hours 50 minutes long. How many minutes is that?
  21. 21.What is 13:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 p.m.
  22. 22.Write 11:25 p.m. in 24-hour time. (a) 23:25 (b) 11:25 (c) 01:25
  23. 23.How many hours are there from 11:00 to 23:00?
  24. 24.How many hours are there from 07:00 to 09:00?
  25. 25.A match starts at 11:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:25 (b) 12:25 (c) 13:25
  26. 26.A train leaves at 15:15 and reaches at 16:10. How long is the journey (in minutes)?
  27. 27.A film is 4 hours 10 minutes long. How many minutes is that?
  28. 28.How many hours are there from 07:00 to 17:00?
  29. 29.A match starts at 18:50 and lasts 4 hours 5 minutes. At what time does it end? (a) 22:55 (b) 21:55 (c) 23:55
  30. 30.A film is 1 hour 15 minutes long. How many minutes is that?
  31. 31.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 p.m. (c) 7:30 p.m.
  32. 32.What is 05:30 in 12-hour time? (a) 5:30 a.m. (b) 5:30 p.m. (c) 7:30 a.m.
  33. 33.What is 02:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 a.m. (c) 2:35 a.m.
  34. 34.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 p.m.
  35. 35.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 03:30 (c) 15:30
  36. 36.Write 1:05 p.m. in 24-hour time. (a) 01:05 (b) 15:05 (c) 13:05
  37. 37.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 15:25 (c) 01:25
  38. 38.What is 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 a.m. (c) 2:05 p.m.
  39. 39.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 02:55 (c) 14:55
  40. 40.A match starts at 11:05 and lasts 2 hours. At what time does it end? (a) 12:05 (b) 13:05 (c) 14:05

Answer key

  1. 7:05 a.m.
  2. 01:45
  3. 09:15
  4. 9
  5. 11:45
  6. 2:50 a.m.
  7. 130
  8. 4
  9. 8:50 p.m.
  10. 175
  11. 1:45 a.m.
  12. 15:20
  13. 17:20
  14. 18:15
  15. 09:40
  16. 10:15 p.m.
  17. 12
  18. 40
  19. 19:10
  20. 170
  21. 1:50 p.m.
  22. 23:25
  23. 12
  24. 2
  25. 13:25
  26. 55
  27. 250
  28. 10
  29. 22:55
  30. 75
  31. 7:30 p.m.
  32. 5:30 a.m.
  33. 2:35 a.m.
  34. 1:05 p.m.
  35. 15:30
  36. 13:05
  37. 13:25
  38. 2:05 a.m.
  39. 02:55
  40. 13:05

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