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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 501 · 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 8:25 a.m. in 24-hour time. (a) 20:25 (b) 10:25 (c) 08:25
  2. 2.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 p.m.
  3. 3.How many hours are there from 11:00 to 19:00?
  4. 4.A match starts at 16:00 and lasts 4 hours 30 minutes. At what time does it end? (a) 21:30 (b) 19:30 (c) 20:30
  5. 5.Write 6:35 p.m. in 24-hour time. (a) 18:35 (b) 20:35 (c) 06:35
  6. 6.Write 4:50 p.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 18:50
  7. 7.Write 2:25 a.m. in 24-hour time. (a) 14:25 (b) 02:25 (c) 04:25
  8. 8.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 p.m.
  9. 9.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 19:20 (c) 07:20
  10. 10.What is 14:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 p.m. (c) 2:45 a.m.
  11. 11.How many hours are there from 08:00 to 22:00?
  12. 12.A film is 2 hours 10 minutes long. How many minutes is that?
  13. 13.How many hours are there from 08:00 to 15:00?
  14. 14.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
  15. 15.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 4:00 a.m. (c) 6:00 a.m.
  16. 16.What is 23:10 in 12-hour time? (a) 1:10 p.m. (b) 11:10 p.m. (c) 11:10 a.m.
  17. 17.Write 1:45 p.m. in 24-hour time. (a) 01:45 (b) 13:45 (c) 15:45
  18. 18.A train leaves at 07:20 and reaches at 10:35. How long is the journey (in minutes)?
  19. 19.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 a.m. (c) 2:40 p.m.
  20. 20.What is 02:55 in 12-hour time? (a) 2:55 a.m. (b) 4:55 a.m. (c) 2:55 p.m.
  21. 21.How many hours are there from 11:00 to 22:00?
  22. 22.What is 22:40 in 12-hour time? (a) 10:40 p.m. (b) 10:40 a.m. (c) 12:40 p.m.
  23. 23.Write 8:00 a.m. in 24-hour time. (a) 20:00 (b) 08:00 (c) 10:00
  24. 24.A match starts at 08:55 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:00 (b) 09:00 (c) 11:00
  25. 25.Write 4:55 p.m. in 24-hour time. (a) 18:55 (b) 04:55 (c) 16:55
  26. 26.A train leaves at 17:55 and reaches at 21:05. How long is the journey (in minutes)?
  27. 27.A match starts at 12:55 and lasts 2 hours 45 minutes. At what time does it end? (a) 14:40 (b) 15:40 (c) 16:40
  28. 28.A film is 4 hours 15 minutes long. How many minutes is that?
  29. 29.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 05:50 (c) 03:50
  30. 30.How many hours are there from 07:00 to 11:00?
  31. 31.A film is 4 hours 50 minutes long. How many minutes is that?
  32. 32.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 14:10 (c) 02:10
  33. 33.A train leaves at 07:55 and reaches at 09:10. How long is the journey (in minutes)?
  34. 34.Write 6:25 a.m. in 24-hour time. (a) 06:25 (b) 08:25 (c) 18:25
  35. 35.Write 2:00 p.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 16:00
  36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
  37. 37.A train leaves at 08:20 and reaches at 09:00. How long is the journey (in minutes)?
  38. 38.A train leaves at 10:20 and reaches at 12:20. How long is the journey (in minutes)?
  39. 39.Write 3:20 p.m. in 24-hour time. (a) 17:20 (b) 15:20 (c) 03:20
  40. 40.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.

Answer key

  1. 08:25
  2. 1:05 p.m.
  3. 8
  4. 20:30
  5. 18:35
  6. 16:50
  7. 02:25
  8. 8:30 p.m.
  9. 07:20
  10. 2:45 p.m.
  11. 14
  12. 130
  13. 7
  14. 6:05 a.m.
  15. 4:00 a.m.
  16. 11:10 p.m.
  17. 13:45
  18. 195
  19. 2:40 a.m.
  20. 2:55 a.m.
  21. 11
  22. 10:40 p.m.
  23. 08:00
  24. 10:00
  25. 16:55
  26. 190
  27. 15:40
  28. 255
  29. 03:50
  30. 4
  31. 290
  32. 02:10
  33. 75
  34. 06:25
  35. 14:00
  36. 220
  37. 40
  38. 120
  39. 15:20
  40. 2:40 p.m.

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