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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 608 · 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.A train leaves at 12:50 and reaches at 16:00. How long is the journey (in minutes)?
  2. 2.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50
  3. 3.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 p.m. (c) 3:40 p.m.
  4. 4.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 a.m.
  5. 5.What is 02:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 a.m.
  6. 6.Write 11:25 a.m. in 24-hour time. (a) 23:25 (b) 13:25 (c) 11:25
  7. 7.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 10:25 a.m. (c) 12:25 a.m.
  8. 8.A train leaves at 13:10 and reaches at 16:30. How long is the journey (in minutes)?
  9. 9.A film is 2 hours 50 minutes long. How many minutes is that?
  10. 10.What is 14:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 p.m. (c) 2:45 a.m.
  11. 11.How many hours are there from 11:00 to 19:00?
  12. 12.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 15:15 (c) 03:15
  13. 13.What is 11:30 in 12-hour time? (a) 1:30 a.m. (b) 11:30 a.m. (c) 11:30 p.m.
  14. 14.A match starts at 06:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:20 (b) 08:20 (c) 06:20
  15. 15.What is 09:35 in 12-hour time? (a) 9:35 p.m. (b) 11:35 a.m. (c) 9:35 a.m.
  16. 16.A film is 2 hours 20 minutes long. How many minutes is that?
  17. 17.What is 20:00 in 12-hour time? (a) 8:00 a.m. (b) 8:00 p.m. (c) 10:00 p.m.
  18. 18.A train leaves at 12:10 and reaches at 12:55. How long is the journey (in minutes)?
  19. 19.A film is 2 hours 45 minutes long. How many minutes is that?
  20. 20.Write 8:10 p.m. in 24-hour time. (a) 20:10 (b) 08:10 (c) 22:10
  21. 21.Write 1:50 a.m. in 24-hour time. (a) 03:50 (b) 13:50 (c) 01:50
  22. 22.Write 7:30 a.m. in 24-hour time. (a) 07:30 (b) 09:30 (c) 19:30
  23. 23.Write 8:40 a.m. in 24-hour time. (a) 20:40 (b) 08:40 (c) 10:40
  24. 24.A film is 3 hours 20 minutes long. How many minutes is that?
  25. 25.Write 9:40 p.m. in 24-hour time. (a) 23:40 (b) 09:40 (c) 21:40
  26. 26.A train leaves at 07:20 and reaches at 08:35. How long is the journey (in minutes)?
  27. 27.Write 11:20 a.m. in 24-hour time. (a) 11:20 (b) 23:20 (c) 13:20
  28. 28.A film is 3 hours 5 minutes long. How many minutes is that?
  29. 29.How many hours are there from 10:00 to 19:00?
  30. 30.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 13:20 (c) 01:20
  31. 31.Write 7:20 a.m. in 24-hour time. (a) 07:20 (b) 09:20 (c) 19:20
  32. 32.Write 9:00 a.m. in 24-hour time. (a) 09:00 (b) 11:00 (c) 21:00
  33. 33.A match starts at 18:45 and lasts 4 hours 30 minutes. At what time does it end? (a) 23:15 (b) 00:15 (c) 22:15
  34. 34.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 3:45 a.m. (c) 1:45 a.m.
  35. 35.A match starts at 15:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 19:10 (b) 18:10 (c) 20:10
  36. 36.What is 06:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 a.m. (c) 6:50 p.m.
  37. 37.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
  38. 38.Write 9:30 p.m. in 24-hour time. (a) 23:30 (b) 21:30 (c) 09:30
  39. 39.Write 2:20 a.m. in 24-hour time. (a) 02:20 (b) 04:20 (c) 14:20
  40. 40.A train leaves at 11:25 and reaches at 12:10. How long is the journey (in minutes)?

Answer key

  1. 190
  2. 07:50
  3. 3:40 p.m.
  4. 7:50 a.m.
  5. 2:05 a.m.
  6. 11:25
  7. 10:25 a.m.
  8. 200
  9. 170
  10. 2:45 p.m.
  11. 8
  12. 03:15
  13. 11:30 a.m.
  14. 07:20
  15. 9:35 a.m.
  16. 140
  17. 8:00 p.m.
  18. 45
  19. 165
  20. 20:10
  21. 01:50
  22. 07:30
  23. 08:40
  24. 200
  25. 21:40
  26. 75
  27. 11:20
  28. 185
  29. 9
  30. 01:20
  31. 07:20
  32. 09:00
  33. 23:15
  34. 1:45 a.m.
  35. 19:10
  36. 6:50 a.m.
  37. 04:05
  38. 21:30
  39. 02:20
  40. 45

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