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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 469 · 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 train leaves at 07:35 and reaches at 08:05. How long is the journey (in minutes)?
  2. 2.Write 2:05 p.m. in 24-hour time. (a) 14:05 (b) 16:05 (c) 02:05
  3. 3.How many hours are there from 11:00 to 20:00?
  4. 4.Write 6:35 p.m. in 24-hour time. (a) 20:35 (b) 06:35 (c) 18:35
  5. 5.What is 23:15 in 12-hour time? (a) 1:15 p.m. (b) 11:15 p.m. (c) 11:15 a.m.
  6. 6.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 07:20 (c) 09:20
  7. 7.A film is 1 hour 35 minutes long. How many minutes is that?
  8. 8.A match starts at 07:20 and lasts 3 hours 5 minutes. At what time does it end? (a) 09:25 (b) 11:25 (c) 10:25
  9. 9.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 07:05 (c) 05:05
  10. 10.A match starts at 08:55 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 11:45
  11. 11.A film is 1 hour 5 minutes long. How many minutes is that?
  12. 12.A match starts at 17:40 and lasts 4 hours 20 minutes. At what time does it end? (a) 23:00 (b) 21:00 (c) 22:00
  13. 13.Write 1:25 a.m. in 24-hour time. (a) 03:25 (b) 13:25 (c) 01:25
  14. 14.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 p.m. (c) 7:30 a.m.
  15. 15.A film is 3 hours 30 minutes long. How many minutes is that?
  16. 16.A train leaves at 08:10 and reaches at 09:20. How long is the journey (in minutes)?
  17. 17.A film is 2 hours 25 minutes long. How many minutes is that?
  18. 18.A film is 2 hours 35 minutes long. How many minutes is that?
  19. 19.A film is 2 hours 40 minutes long. How many minutes is that?
  20. 20.A train leaves at 11:15 and reaches at 12:20. How long is the journey (in minutes)?
  21. 21.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 10:40 a.m. (c) 12:40 a.m.
  22. 22.A match starts at 07:10 and lasts 1 hour 55 minutes. At what time does it end? (a) 10:05 (b) 08:05 (c) 09:05
  23. 23.A match starts at 14:55 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:30 (b) 17:30 (c) 16:30
  24. 24.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 08:45 (c) 10:45
  25. 25.How many hours are there from 07:00 to 19:00?
  26. 26.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 7:00 p.m. (c) 9:00 a.m.
  27. 27.Write 10:15 p.m. in 24-hour time. (a) 22:15 (b) 10:15 (c) 00:15
  28. 28.What is 05:05 in 12-hour time? (a) 7:05 a.m. (b) 5:05 p.m. (c) 5:05 a.m.
  29. 29.A train leaves at 10:55 and reaches at 12:30. How long is the journey (in minutes)?
  30. 30.What is 01:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 a.m. (c) 1:50 p.m.
  31. 31.How many hours are there from 11:00 to 17:00?
  32. 32.What is 05:10 in 12-hour time? (a) 7:10 a.m. (b) 5:10 p.m. (c) 5:10 a.m.
  33. 33.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 02:00 (c) 14:00
  34. 34.How many hours are there from 10:00 to 15:00?
  35. 35.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 02:20 (c) 14:20
  36. 36.A match starts at 07:40 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:25 (b) 10:25 (c) 08:25
  37. 37.What is 07:05 in 12-hour time? (a) 7:05 a.m. (b) 9:05 a.m. (c) 7:05 p.m.
  38. 38.Write 2:55 p.m. in 24-hour time. (a) 14:55 (b) 16:55 (c) 02:55
  39. 39.A match starts at 06:50 and lasts 2 hours 15 minutes. At what time does it end? (a) 08:05 (b) 09:05 (c) 10:05
  40. 40.Write 7:15 p.m. in 24-hour time. (a) 19:15 (b) 07:15 (c) 21:15

Answer key

  1. 30
  2. 14:05
  3. 9
  4. 18:35
  5. 11:15 p.m.
  6. 07:20
  7. 95
  8. 10:25
  9. 05:05
  10. 12:45
  11. 65
  12. 22:00
  13. 01:25
  14. 7:30 a.m.
  15. 210
  16. 70
  17. 145
  18. 155
  19. 160
  20. 65
  21. 10:40 a.m.
  22. 09:05
  23. 16:30
  24. 08:45
  25. 12
  26. 7:00 a.m.
  27. 22:15
  28. 5:05 a.m.
  29. 95
  30. 1:50 a.m.
  31. 6
  32. 5:10 a.m.
  33. 02:00
  34. 5
  35. 02:20
  36. 09:25
  37. 7:05 a.m.
  38. 14:55
  39. 09:05
  40. 19:15

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