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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 308 · 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 2 hours 30 minutes long. How many minutes is that?
  2. 2.A match starts at 07:25 and lasts 2 hours 25 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 08:50
  3. 3.What is 11:25 in 12-hour time? (a) 11:25 p.m. (b) 11:25 a.m. (c) 1:25 a.m.
  4. 4.A train leaves at 16:55 and reaches at 20:05. How long is the journey (in minutes)?
  5. 5.How many hours are there from 09:00 to 13:00?
  6. 6.How many hours are there from 06:00 to 09:00?
  7. 7.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 06:10 (c) 04:10
  8. 8.A film is 1 hour 45 minutes long. How many minutes is that?
  9. 9.Write 1:35 a.m. in 24-hour time. (a) 13:35 (b) 01:35 (c) 03:35
  10. 10.A film is 1 hour 40 minutes long. How many minutes is that?
  11. 11.What is 18:55 in 12-hour time? (a) 6:55 a.m. (b) 6:55 p.m. (c) 8:55 p.m.
  12. 12.A film is 2 hours 15 minutes long. How many minutes is that?
  13. 13.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 p.m. (c) 1:55 a.m.
  14. 14.Write 8:55 p.m. in 24-hour time. (a) 20:55 (b) 22:55 (c) 08:55
  15. 15.A train leaves at 16:20 and reaches at 17:15. How long is the journey (in minutes)?
  16. 16.A film is 3 hours 25 minutes long. How many minutes is that?
  17. 17.What is 07:35 in 12-hour time? (a) 9:35 a.m. (b) 7:35 p.m. (c) 7:35 a.m.
  18. 18.How many hours are there from 05:00 to 10:00?
  19. 19.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 a.m. (c) 6:20 p.m.
  20. 20.How many hours are there from 06:00 to 12:00?
  21. 21.How many hours are there from 06:00 to 18:00?
  22. 22.What is 08:30 in 12-hour time? (a) 8:30 a.m. (b) 8:30 p.m. (c) 10:30 a.m.
  23. 23.What is 18:45 in 12-hour time? (a) 8:45 p.m. (b) 6:45 p.m. (c) 6:45 a.m.
  24. 24.A match starts at 14:50 and lasts 3 hours 10 minutes. At what time does it end? (a) 17:00 (b) 18:00 (c) 19:00
  25. 25.A film is 4 hours 5 minutes long. How many minutes is that?
  26. 26.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
  27. 27.A match starts at 16:20 and lasts 2 hours 25 minutes. At what time does it end? (a) 18:45 (b) 19:45 (c) 17:45
  28. 28.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 a.m. (c) 11:20 p.m.
  29. 29.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 p.m. (c) 1:40 a.m.
  30. 30.A train leaves at 06:00 and reaches at 08:15. How long is the journey (in minutes)?
  31. 31.A match starts at 07:35 and lasts 1 hour 35 minutes. At what time does it end? (a) 10:10 (b) 08:10 (c) 09:10
  32. 32.How many hours are there from 08:00 to 13:00?
  33. 33.A film is 3 hours 35 minutes long. How many minutes is that?
  34. 34.Write 7:15 p.m. in 24-hour time. (a) 19:15 (b) 07:15 (c) 21:15
  35. 35.A match starts at 13:30 and lasts 2 hours. At what time does it end? (a) 15:30 (b) 14:30 (c) 16:30
  36. 36.A film is 4 hours 10 minutes long. How many minutes is that?
  37. 37.Write 6:35 a.m. in 24-hour time. (a) 06:35 (b) 08:35 (c) 18:35
  38. 38.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 13:00 (c) 01:00
  39. 39.A film is 4 hours 55 minutes long. How many minutes is that?
  40. 40.What is 20:45 in 12-hour time? (a) 8:45 p.m. (b) 10:45 p.m. (c) 8:45 a.m.

Answer key

  1. 150
  2. 09:50
  3. 11:25 a.m.
  4. 190
  5. 4
  6. 3
  7. 04:10
  8. 105
  9. 01:35
  10. 100
  11. 6:55 p.m.
  12. 135
  13. 1:55 p.m.
  14. 20:55
  15. 55
  16. 205
  17. 7:35 a.m.
  18. 5
  19. 6:20 p.m.
  20. 6
  21. 12
  22. 8:30 a.m.
  23. 6:45 p.m.
  24. 18:00
  25. 245
  26. 17:05
  27. 18:45
  28. 11:20 p.m.
  29. 1:40 a.m.
  30. 135
  31. 09:10
  32. 5
  33. 215
  34. 19:15
  35. 15:30
  36. 250
  37. 06:35
  38. 13:00
  39. 295
  40. 8:45 p.m.

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