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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 518 · 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 7:40 a.m. in 24-hour time. (a) 09:40 (b) 19:40 (c) 07:40
  2. 2.What is 05:45 in 12-hour time? (a) 5:45 p.m. (b) 7:45 a.m. (c) 5:45 a.m.
  3. 3.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 23:45 (c) 09:45
  4. 4.What is 03:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 a.m. (c) 3:25 p.m.
  5. 5.How many hours are there from 06:00 to 19:00?
  6. 6.A train leaves at 12:20 and reaches at 13:50. How long is the journey (in minutes)?
  7. 7.A train leaves at 12:25 and reaches at 15:10. How long is the journey (in minutes)?
  8. 8.A train leaves at 10:05 and reaches at 13:20. How long is the journey (in minutes)?
  9. 9.A match starts at 09:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 13:35 (b) 12:35 (c) 11:35
  10. 10.How many hours are there from 11:00 to 20:00?
  11. 11.A film is 2 hours 55 minutes long. How many minutes is that?
  12. 12.A film is 3 hours 40 minutes long. How many minutes is that?
  13. 13.A train leaves at 08:00 and reaches at 11:20. How long is the journey (in minutes)?
  14. 14.How many hours are there from 09:00 to 13:00?
  15. 15.A film is 3 hours 15 minutes long. How many minutes is that?
  16. 16.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 21:50 (c) 07:50
  17. 17.A match starts at 06:05 and lasts 2 hours 55 minutes. At what time does it end? (a) 10:00 (b) 08:00 (c) 09:00
  18. 18.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
  19. 19.What is 15:50 in 12-hour time? (a) 3:50 a.m. (b) 3:50 p.m. (c) 5:50 p.m.
  20. 20.A film is 4 hours 50 minutes long. How many minutes is that?
  21. 21.A film is 3 hours 25 minutes long. How many minutes is that?
  22. 22.A match starts at 13:45 and lasts 1 hour 5 minutes. At what time does it end? (a) 14:50 (b) 15:50 (c) 13:50
  23. 23.A train leaves at 06:05 and reaches at 08:00. How long is the journey (in minutes)?
  24. 24.What is 09:50 in 12-hour time? (a) 9:50 p.m. (b) 11:50 a.m. (c) 9:50 a.m.
  25. 25.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 p.m. (c) 7:40 a.m.
  26. 26.A match starts at 07:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:15 (b) 08:15 (c) 09:15
  27. 27.How many hours are there from 12:00 to 22:00?
  28. 28.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 9:55 a.m. (c) 11:55 a.m.
  29. 29.How many hours are there from 06:00 to 16:00?
  30. 30.What is 18:35 in 12-hour time? (a) 6:35 p.m. (b) 8:35 p.m. (c) 6:35 a.m.
  31. 31.How many hours are there from 09:00 to 19:00?
  32. 32.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 09:55 (c) 07:55
  33. 33.How many hours are there from 05:00 to 23:00?
  34. 34.What is 03:30 in 12-hour time? (a) 3:30 p.m. (b) 3:30 a.m. (c) 5:30 a.m.
  35. 35.A film is 4 hours 20 minutes long. How many minutes is that?
  36. 36.How many hours are there from 08:00 to 22:00?
  37. 37.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 14:55 (c) 02:55
  38. 38.A train leaves at 18:40 and reaches at 21:25. How long is the journey (in minutes)?
  39. 39.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 p.m.
  40. 40.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 a.m. (c) 9:45 p.m.

Answer key

  1. 07:40
  2. 5:45 a.m.
  3. 21:45
  4. 3:25 a.m.
  5. 13
  6. 90
  7. 165
  8. 195
  9. 12:35
  10. 9
  11. 175
  12. 220
  13. 200
  14. 4
  15. 195
  16. 19:50
  17. 09:00
  18. 1:05 p.m.
  19. 3:50 p.m.
  20. 290
  21. 205
  22. 14:50
  23. 115
  24. 9:50 a.m.
  25. 7:40 p.m.
  26. 09:15
  27. 10
  28. 9:55 a.m.
  29. 10
  30. 6:35 p.m.
  31. 10
  32. 07:55
  33. 18
  34. 3:30 a.m.
  35. 260
  36. 14
  37. 02:55
  38. 165
  39. 7:10 p.m.
  40. 9:45 a.m.

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