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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 744 · 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 19:10 and reaches at 19:45. How long is the journey (in minutes)?
  2. 2.Write 7:20 p.m. in 24-hour time. (a) 19:20 (b) 21:20 (c) 07:20
  3. 3.Write 8:50 a.m. in 24-hour time. (a) 08:50 (b) 10:50 (c) 20:50
  4. 4.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 p.m. (c) 8:05 p.m.
  5. 5.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 06:05
  6. 6.A film is 2 hours 30 minutes long. How many minutes is that?
  7. 7.A match starts at 07:10 and lasts 1 hour. At what time does it end? (a) 09:10 (b) 08:10 (c) 07:10
  8. 8.A train leaves at 10:10 and reaches at 13:15. How long is the journey (in minutes)?
  9. 9.A film is 4 hours 55 minutes long. How many minutes is that?
  10. 10.A match starts at 16:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:45 (b) 21:45 (c) 20:45
  11. 11.How many hours are there from 07:00 to 17:00?
  12. 12.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 19:20 (c) 07:20
  13. 13.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 a.m. (c) 6:05 p.m.
  14. 14.A film is 4 hours 50 minutes long. How many minutes is that?
  15. 15.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 p.m. (c) 1:40 p.m.
  16. 16.A match starts at 16:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 18:40 (b) 17:40 (c) 19:40
  17. 17.A match starts at 11:05 and lasts 4 hours 55 minutes. At what time does it end? (a) 17:00 (b) 16:00 (c) 15:00
  18. 18.A train leaves at 16:05 and reaches at 18:10. How long is the journey (in minutes)?
  19. 19.How many hours are there from 06:00 to 20:00?
  20. 20.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 09:10
  21. 21.A train leaves at 17:40 and reaches at 20:30. How long is the journey (in minutes)?
  22. 22.Write 3:05 a.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 05:05
  23. 23.What is 18:20 in 12-hour time? (a) 6:20 p.m. (b) 6:20 a.m. (c) 8:20 p.m.
  24. 24.Write 6:20 p.m. in 24-hour time. (a) 18:20 (b) 20:20 (c) 06:20
  25. 25.How many hours are there from 08:00 to 18:00?
  26. 26.A match starts at 16:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:25 (b) 20:25 (c) 18:25
  27. 27.How many hours are there from 05:00 to 08:00?
  28. 28.Write 4:25 a.m. in 24-hour time. (a) 04:25 (b) 16:25 (c) 06:25
  29. 29.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 3:10 p.m. (c) 5:10 p.m.
  30. 30.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 p.m. (c) 5:35 a.m.
  31. 31.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 a.m. (c) 6:00 p.m.
  32. 32.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
  33. 33.Write 3:35 a.m. in 24-hour time. (a) 03:35 (b) 15:35 (c) 05:35
  34. 34.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 03:15 (c) 15:15
  35. 35.What is 11:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 a.m. (c) 11:55 p.m.
  36. 36.How many hours are there from 10:00 to 12:00?
  37. 37.A train leaves at 09:30 and reaches at 12:15. How long is the journey (in minutes)?
  38. 38.Write 9:50 a.m. in 24-hour time. (a) 09:50 (b) 11:50 (c) 21:50
  39. 39.Write 5:35 a.m. in 24-hour time. (a) 05:35 (b) 17:35 (c) 07:35
  40. 40.Write 11:40 a.m. in 24-hour time. (a) 23:40 (b) 13:40 (c) 11:40

Answer key

  1. 35
  2. 19:20
  3. 08:50
  4. 8:05 p.m.
  5. 04:05
  6. 150
  7. 08:10
  8. 185
  9. 295
  10. 20:45
  11. 10
  12. 07:20
  13. 6:05 a.m.
  14. 290
  15. 1:40 p.m.
  16. 18:40
  17. 16:00
  18. 125
  19. 14
  20. 07:10
  21. 170
  22. 03:05
  23. 6:20 p.m.
  24. 18:20
  25. 10
  26. 19:25
  27. 3
  28. 04:25
  29. 3:10 p.m.
  30. 5:35 p.m.
  31. 6:00 p.m.
  32. 02:50
  33. 03:35
  34. 03:15
  35. 11:55 a.m.
  36. 2
  37. 165
  38. 09:50
  39. 05:35
  40. 11:40

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