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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 757 · 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 film is 4 hours 15 minutes long. How many minutes is that?
  2. 2.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 3:10 a.m. (c) 1:10 a.m.
  3. 3.How many hours are there from 07:00 to 17:00?
  4. 4.Write 10:25 p.m. in 24-hour time. (a) 22:25 (b) 10:25 (c) 00:25
  5. 5.Write 8:45 a.m. in 24-hour time. (a) 10:45 (b) 08:45 (c) 20:45
  6. 6.Write 6:25 p.m. in 24-hour time. (a) 06:25 (b) 20:25 (c) 18:25
  7. 7.A match starts at 11:25 and lasts 2 hours 45 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 15:10
  8. 8.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 a.m.
  9. 9.A film is 1 hour 35 minutes long. How many minutes is that?
  10. 10.A train leaves at 13:35 and reaches at 15:45. How long is the journey (in minutes)?
  11. 11.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 13:10 (c) 23:10
  12. 12.A train leaves at 09:45 and reaches at 13:00. How long is the journey (in minutes)?
  13. 13.How many hours are there from 05:00 to 21:00?
  14. 14.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 02:45 (c) 04:45
  15. 15.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 p.m. (c) 1:40 a.m.
  16. 16.A film is 3 hours 25 minutes long. How many minutes is that?
  17. 17.A match starts at 09:10 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:25 (b) 11:25 (c) 12:25
  18. 18.How many hours are there from 10:00 to 13:00?
  19. 19.A film is 2 hours 55 minutes long. How many minutes is that?
  20. 20.How many hours are there from 08:00 to 19:00?
  21. 21.How many hours are there from 12:00 to 23:00?
  22. 22.What is 03:00 in 12-hour time? (a) 3:00 a.m. (b) 3:00 p.m. (c) 5:00 a.m.
  23. 23.Write 2:10 p.m. in 24-hour time. (a) 16:10 (b) 02:10 (c) 14:10
  24. 24.Write 10:05 p.m. in 24-hour time. (a) 10:05 (b) 22:05 (c) 00:05
  25. 25.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 06:40 (c) 08:40
  26. 26.Write 3:45 p.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 17:45
  27. 27.A match starts at 09:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:40 (b) 11:40 (c) 12:40
  28. 28.Write 6:40 p.m. in 24-hour time. (a) 06:40 (b) 20:40 (c) 18:40
  29. 29.What is 06:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 a.m. (c) 6:10 a.m.
  30. 30.A film is 2 hours 5 minutes long. How many minutes is that?
  31. 31.A train leaves at 15:50 and reaches at 18:00. How long is the journey (in minutes)?
  32. 32.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 10:15 (c) 22:15
  33. 33.Write 11:50 p.m. in 24-hour time. (a) 23:50 (b) 01:50 (c) 11:50
  34. 34.A film is 2 hours 50 minutes long. How many minutes is that?
  35. 35.A match starts at 16:50 and lasts 1 hour 50 minutes. At what time does it end? (a) 19:40 (b) 18:40 (c) 17:40
  36. 36.A train leaves at 18:00 and reaches at 19:40. How long is the journey (in minutes)?
  37. 37.Write 2:50 a.m. in 24-hour time. (a) 02:50 (b) 04:50 (c) 14:50
  38. 38.A train leaves at 12:30 and reaches at 13:15. How long is the journey (in minutes)?
  39. 39.What is 14:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 p.m. (c) 2:05 a.m.
  40. 40.How many hours are there from 05:00 to 15:00?

Answer key

  1. 255
  2. 1:10 a.m.
  3. 10
  4. 22:25
  5. 08:45
  6. 18:25
  7. 14:10
  8. 1:35 a.m.
  9. 95
  10. 130
  11. 11:10
  12. 195
  13. 16
  14. 02:45
  15. 1:40 a.m.
  16. 205
  17. 12:25
  18. 3
  19. 175
  20. 11
  21. 11
  22. 3:00 a.m.
  23. 14:10
  24. 22:05
  25. 06:40
  26. 15:45
  27. 12:40
  28. 18:40
  29. 6:10 a.m.
  30. 125
  31. 130
  32. 22:15
  33. 23:50
  34. 170
  35. 18:40
  36. 100
  37. 02:50
  38. 45
  39. 2:05 p.m.
  40. 10

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