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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 361 · 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 2:00 a.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 04:00
  2. 2.A train leaves at 07:05 and reaches at 08:45. How long is the journey (in minutes)?
  3. 3.A match starts at 18:20 and lasts 4 hours. At what time does it end? (a) 22:20 (b) 21:20 (c) 23:20
  4. 4.What is 18:55 in 12-hour time? (a) 6:55 p.m. (b) 8:55 p.m. (c) 6:55 a.m.
  5. 5.Write 7:35 a.m. in 24-hour time. (a) 19:35 (b) 07:35 (c) 09:35
  6. 6.How many hours are there from 07:00 to 22:00?
  7. 7.A train leaves at 13:25 and reaches at 16:45. How long is the journey (in minutes)?
  8. 8.A film is 4 hours 35 minutes long. How many minutes is that?
  9. 9.A film is 1 hour 55 minutes long. How many minutes is that?
  10. 10.Write 6:00 p.m. in 24-hour time. (a) 06:00 (b) 20:00 (c) 18:00
  11. 11.Write 11:45 p.m. in 24-hour time. (a) 23:45 (b) 11:45 (c) 01:45
  12. 12.How many hours are there from 10:00 to 22:00?
  13. 13.A train leaves at 08:50 and reaches at 10:10. How long is the journey (in minutes)?
  14. 14.How many hours are there from 06:00 to 20:00?
  15. 15.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 09:00
  16. 16.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 4:20 p.m. (c) 2:20 p.m.
  17. 17.Write 10:05 a.m. in 24-hour time. (a) 10:05 (b) 12:05 (c) 22:05
  18. 18.A train leaves at 14:15 and reaches at 16:20. How long is the journey (in minutes)?
  19. 19.What is 19:55 in 12-hour time? (a) 9:55 p.m. (b) 7:55 a.m. (c) 7:55 p.m.
  20. 20.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
  21. 21.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50
  22. 22.A film is 2 hours 40 minutes long. How many minutes is that?
  23. 23.A match starts at 09:45 and lasts 2 hours 35 minutes. At what time does it end? (a) 12:20 (b) 11:20 (c) 13:20
  24. 24.Write 4:20 a.m. in 24-hour time. (a) 04:20 (b) 06:20 (c) 16:20
  25. 25.A film is 4 hours 30 minutes long. How many minutes is that?
  26. 26.Write 11:20 a.m. in 24-hour time. (a) 11:20 (b) 13:20 (c) 23:20
  27. 27.A train leaves at 13:50 and reaches at 15:15. How long is the journey (in minutes)?
  28. 28.A train leaves at 17:00 and reaches at 19:25. How long is the journey (in minutes)?
  29. 29.A film is 2 hours 45 minutes long. How many minutes is that?
  30. 30.Write 6:30 p.m. in 24-hour time. (a) 20:30 (b) 06:30 (c) 18:30
  31. 31.What is 05:55 in 12-hour time? (a) 5:55 p.m. (b) 7:55 a.m. (c) 5:55 a.m.
  32. 32.A film is 2 hours 10 minutes long. How many minutes is that?
  33. 33.How many hours are there from 08:00 to 15:00?
  34. 34.A film is 4 hours 45 minutes long. How many minutes is that?
  35. 35.Write 8:50 a.m. in 24-hour time. (a) 10:50 (b) 20:50 (c) 08:50
  36. 36.A train leaves at 11:55 and reaches at 12:40. How long is the journey (in minutes)?
  37. 37.A film is 2 hours 5 minutes long. How many minutes is that?
  38. 38.A film is 4 hours 15 minutes long. How many minutes is that?
  39. 39.What is 10:50 in 12-hour time? (a) 10:50 a.m. (b) 10:50 p.m. (c) 12:50 a.m.
  40. 40.How many hours are there from 09:00 to 16:00?

Answer key

  1. 02:00
  2. 100
  3. 22:20
  4. 6:55 p.m.
  5. 07:35
  6. 15
  7. 200
  8. 275
  9. 115
  10. 18:00
  11. 23:45
  12. 12
  13. 80
  14. 14
  15. 07:00
  16. 2:20 p.m.
  17. 10:05
  18. 125
  19. 7:55 p.m.
  20. 2:40 p.m.
  21. 07:50
  22. 160
  23. 12:20
  24. 04:20
  25. 270
  26. 11:20
  27. 85
  28. 145
  29. 165
  30. 18:30
  31. 5:55 a.m.
  32. 130
  33. 7
  34. 285
  35. 08:50
  36. 45
  37. 125
  38. 255
  39. 10:50 a.m.
  40. 7

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