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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 998 · 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 1:00 p.m. in 24-hour time. (a) 15:00 (b) 01:00 (c) 13:00
  2. 2.What is 05:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 a.m. (c) 5:10 p.m.
  3. 3.What is 17:10 in 12-hour time? (a) 7:10 p.m. (b) 5:10 p.m. (c) 5:10 a.m.
  4. 4.How many hours are there from 12:00 to 16:00?
  5. 5.How many hours are there from 06:00 to 10:00?
  6. 6.Write 4:00 p.m. in 24-hour time. (a) 18:00 (b) 16:00 (c) 04:00
  7. 7.A film is 2 hours 55 minutes long. How many minutes is that?
  8. 8.A train leaves at 17:30 and reaches at 19:15. How long is the journey (in minutes)?
  9. 9.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 p.m.
  10. 10.What is 08:45 in 12-hour time? (a) 10:45 a.m. (b) 8:45 a.m. (c) 8:45 p.m.
  11. 11.A film is 1 hour 30 minutes long. How many minutes is that?
  12. 12.How many hours are there from 07:00 to 12:00?
  13. 13.A match starts at 08:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 11:20
  14. 14.Write 6:45 a.m. in 24-hour time. (a) 06:45 (b) 18:45 (c) 08:45
  15. 15.How many hours are there from 11:00 to 15:00?
  16. 16.A train leaves at 07:50 and reaches at 08:15. How long is the journey (in minutes)?
  17. 17.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 a.m.
  18. 18.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 a.m. (c) 2:10 p.m.
  19. 19.What is 06:15 in 12-hour time? (a) 6:15 p.m. (b) 8:15 a.m. (c) 6:15 a.m.
  20. 20.A match starts at 09:00 and lasts 4 hours 35 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 14:35
  21. 21.Write 5:10 p.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 19:10
  22. 22.A train leaves at 17:15 and reaches at 20:25. How long is the journey (in minutes)?
  23. 23.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 4:45 p.m. (c) 2:45 p.m.
  24. 24.A film is 1 hour 25 minutes long. How many minutes is that?
  25. 25.What is 19:45 in 12-hour time? (a) 7:45 p.m. (b) 9:45 p.m. (c) 7:45 a.m.
  26. 26.A match starts at 12:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 16:40
  27. 27.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 1:10 a.m. (c) 3:10 a.m.
  28. 28.A train leaves at 06:45 and reaches at 07:30. How long is the journey (in minutes)?
  29. 29.A train leaves at 07:25 and reaches at 08:00. How long is the journey (in minutes)?
  30. 30.What is 20:00 in 12-hour time? (a) 8:00 p.m. (b) 10:00 p.m. (c) 8:00 a.m.
  31. 31.What is 09:50 in 12-hour time? (a) 9:50 p.m. (b) 9:50 a.m. (c) 11:50 a.m.
  32. 32.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 p.m. (c) 8:05 a.m.
  33. 33.Write 11:25 a.m. in 24-hour time. (a) 13:25 (b) 23:25 (c) 11:25
  34. 34.What is 11:15 in 12-hour time? (a) 1:15 a.m. (b) 11:15 p.m. (c) 11:15 a.m.
  35. 35.Write 1:35 p.m. in 24-hour time. (a) 13:35 (b) 15:35 (c) 01:35
  36. 36.What is 04:25 in 12-hour time? (a) 6:25 a.m. (b) 4:25 a.m. (c) 4:25 p.m.
  37. 37.A film is 4 hours 5 minutes long. How many minutes is that?
  38. 38.Write 8:40 p.m. in 24-hour time. (a) 22:40 (b) 20:40 (c) 08:40
  39. 39.A train leaves at 13:05 and reaches at 16:05. How long is the journey (in minutes)?
  40. 40.How many hours are there from 06:00 to 19:00?

Answer key

  1. 13:00
  2. 5:10 a.m.
  3. 5:10 p.m.
  4. 4
  5. 4
  6. 16:00
  7. 175
  8. 105
  9. 2:05 p.m.
  10. 8:45 a.m.
  11. 90
  12. 5
  13. 10:20
  14. 06:45
  15. 4
  16. 25
  17. 7:50 a.m.
  18. 2:10 a.m.
  19. 6:15 a.m.
  20. 13:35
  21. 17:10
  22. 190
  23. 2:45 p.m.
  24. 85
  25. 7:45 p.m.
  26. 15:40
  27. 1:10 a.m.
  28. 45
  29. 35
  30. 8:00 p.m.
  31. 9:50 a.m.
  32. 8:05 p.m.
  33. 11:25
  34. 11:15 a.m.
  35. 13:35
  36. 4:25 a.m.
  37. 245
  38. 20:40
  39. 180
  40. 13

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