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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 749 · 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 match starts at 13:30 and lasts 1 hour 5 minutes. At what time does it end? (a) 13:35 (b) 15:35 (c) 14:35
  2. 2.What is 07:45 in 12-hour time? (a) 7:45 p.m. (b) 9:45 a.m. (c) 7:45 a.m.
  3. 3.Write 4:00 p.m. in 24-hour time. (a) 16:00 (b) 18:00 (c) 04:00
  4. 4.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 p.m. (c) 9:30 a.m.
  5. 5.How many hours are there from 09:00 to 19:00?
  6. 6.A train leaves at 19:25 and reaches at 19:50. How long is the journey (in minutes)?
  7. 7.A match starts at 11:30 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:25 (b) 13:25 (c) 14:25
  8. 8.A match starts at 14:25 and lasts 3 hours 15 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 16:40
  9. 9.A film is 1 hour 30 minutes long. How many minutes is that?
  10. 10.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 04:35 (c) 02:35
  11. 11.A train leaves at 17:30 and reaches at 18:25. How long is the journey (in minutes)?
  12. 12.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
  13. 13.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 a.m. (c) 9:20 p.m.
  14. 14.A film is 4 hours 15 minutes long. How many minutes is that?
  15. 15.A train leaves at 11:15 and reaches at 12:40. How long is the journey (in minutes)?
  16. 16.How many hours are there from 11:00 to 23:00?
  17. 17.A match starts at 07:35 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:10 (b) 10:10 (c) 09:10
  18. 18.Write 7:00 a.m. in 24-hour time. (a) 07:00 (b) 19:00 (c) 09:00
  19. 19.A train leaves at 11:00 and reaches at 12:15. How long is the journey (in minutes)?
  20. 20.A match starts at 18:05 and lasts 1 hour 5 minutes. At what time does it end? (a) 19:10 (b) 18:10 (c) 20:10
  21. 21.A film is 3 hours 25 minutes long. How many minutes is that?
  22. 22.A match starts at 11:35 and lasts 1 hour 45 minutes. At what time does it end? (a) 12:20 (b) 14:20 (c) 13:20
  23. 23.What is 03:55 in 12-hour time? (a) 5:55 a.m. (b) 3:55 a.m. (c) 3:55 p.m.
  24. 24.What is 08:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 a.m.
  25. 25.A film is 4 hours 40 minutes long. How many minutes is that?
  26. 26.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
  27. 27.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 03:55 (c) 15:55
  28. 28.A film is 4 hours 20 minutes long. How many minutes is that?
  29. 29.How many hours are there from 06:00 to 09:00?
  30. 30.A film is 4 hours 5 minutes long. How many minutes is that?
  31. 31.A train leaves at 18:25 and reaches at 19:50. How long is the journey (in minutes)?
  32. 32.A train leaves at 07:15 and reaches at 07:45. How long is the journey (in minutes)?
  33. 33.A match starts at 14:20 and lasts 3 hours 35 minutes. At what time does it end? (a) 18:55 (b) 17:55 (c) 16:55
  34. 34.A match starts at 16:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:50 (b) 20:50 (c) 19:50
  35. 35.Write 2:50 p.m. in 24-hour time. (a) 16:50 (b) 14:50 (c) 02:50
  36. 36.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 18:10 (c) 06:10
  37. 37.A match starts at 06:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 12:05 (b) 10:05 (c) 11:05
  38. 38.How many hours are there from 10:00 to 14:00?
  39. 39.A train leaves at 10:35 and reaches at 13:00. How long is the journey (in minutes)?
  40. 40.What is 23:30 in 12-hour time? (a) 11:30 p.m. (b) 11:30 a.m. (c) 1:30 p.m.

Answer key

  1. 14:35
  2. 7:45 a.m.
  3. 16:00
  4. 9:30 p.m.
  5. 10
  6. 25
  7. 14:25
  8. 17:40
  9. 90
  10. 02:35
  11. 55
  12. 1:05 a.m.
  13. 9:20 a.m.
  14. 255
  15. 85
  16. 12
  17. 09:10
  18. 07:00
  19. 75
  20. 19:10
  21. 205
  22. 13:20
  23. 3:55 a.m.
  24. 8:45 a.m.
  25. 280
  26. 7:00 a.m.
  27. 03:55
  28. 260
  29. 3
  30. 245
  31. 85
  32. 30
  33. 17:55
  34. 20:50
  35. 14:50
  36. 18:10
  37. 11:05
  38. 4
  39. 145
  40. 11:30 p.m.

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