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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 810 · 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 06:45 and lasts 4 hours 15 minutes. At what time does it end? (a) 10:00 (b) 12:00 (c) 11:00
  2. 2.Write 5:45 a.m. in 24-hour time. (a) 17:45 (b) 05:45 (c) 07:45
  3. 3.A film is 2 hours 25 minutes long. How many minutes is that?
  4. 4.A match starts at 06:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 06:05 (b) 08:05 (c) 07:05
  5. 5.A match starts at 06:35 and lasts 2 hours 55 minutes. At what time does it end? (a) 10:30 (b) 09:30 (c) 08:30
  6. 6.A train leaves at 10:10 and reaches at 11:35. How long is the journey (in minutes)?
  7. 7.A match starts at 16:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 21:10 (b) 22:10 (c) 20:10
  8. 8.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 p.m. (c) 4:35 a.m.
  9. 9.What is 16:55 in 12-hour time? (a) 6:55 p.m. (b) 4:55 p.m. (c) 4:55 a.m.
  10. 10.A match starts at 15:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 17:00 (b) 18:00 (c) 19:00
  11. 11.Write 7:55 a.m. in 24-hour time. (a) 07:55 (b) 19:55 (c) 09:55
  12. 12.A film is 2 hours 20 minutes long. How many minutes is that?
  13. 13.Write 1:50 a.m. in 24-hour time. (a) 03:50 (b) 13:50 (c) 01:50
  14. 14.A match starts at 13:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 13:15 (b) 15:15 (c) 14:15
  15. 15.A match starts at 18:40 and lasts 4 hours 35 minutes. At what time does it end? (a) 00:15 (b) 23:15 (c) 22:15
  16. 16.Write 10:35 a.m. in 24-hour time. (a) 22:35 (b) 12:35 (c) 10:35
  17. 17.A film is 1 hour 10 minutes long. How many minutes is that?
  18. 18.A film is 3 hours 35 minutes long. How many minutes is that?
  19. 19.What is 14:45 in 12-hour time? (a) 4:45 p.m. (b) 2:45 p.m. (c) 2:45 a.m.
  20. 20.How many hours are there from 07:00 to 15:00?
  21. 21.A match starts at 08:00 and lasts 1 hour 45 minutes. At what time does it end? (a) 10:45 (b) 09:45 (c) 08:45
  22. 22.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 07:10
  23. 23.What is 07:20 in 12-hour time? (a) 9:20 a.m. (b) 7:20 p.m. (c) 7:20 a.m.
  24. 24.How many hours are there from 09:00 to 21:00?
  25. 25.A match starts at 07:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:30 (b) 10:30 (c) 08:30
  26. 26.A match starts at 06:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 07:55 (b) 08:55 (c) 06:55
  27. 27.A match starts at 15:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 19:10 (b) 18:10 (c) 17:10
  28. 28.Write 5:35 p.m. in 24-hour time. (a) 05:35 (b) 17:35 (c) 19:35
  29. 29.A match starts at 14:00 and lasts 4 hours 5 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 17:05
  30. 30.How many hours are there from 08:00 to 14:00?
  31. 31.A match starts at 07:45 and lasts 3 hours 45 minutes. At what time does it end? (a) 10:30 (b) 12:30 (c) 11:30
  32. 32.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 a.m.
  33. 33.A train leaves at 14:45 and reaches at 15:25. How long is the journey (in minutes)?
  34. 34.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
  35. 35.Write 1:30 a.m. in 24-hour time. (a) 03:30 (b) 01:30 (c) 13:30
  36. 36.A match starts at 12:55 and lasts 4 hours. At what time does it end? (a) 16:55 (b) 17:55 (c) 15:55
  37. 37.A train leaves at 17:05 and reaches at 20:25. How long is the journey (in minutes)?
  38. 38.A train leaves at 15:20 and reaches at 18:20. How long is the journey (in minutes)?
  39. 39.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 02:20 (c) 14:20
  40. 40.How many hours are there from 11:00 to 14:00?

Answer key

  1. 11:00
  2. 05:45
  3. 145
  4. 07:05
  5. 09:30
  6. 85
  7. 21:10
  8. 4:35 p.m.
  9. 4:55 p.m.
  10. 18:00
  11. 07:55
  12. 140
  13. 01:50
  14. 14:15
  15. 23:15
  16. 10:35
  17. 70
  18. 215
  19. 2:45 p.m.
  20. 8
  21. 09:45
  22. 05:10
  23. 7:20 a.m.
  24. 12
  25. 09:30
  26. 07:55
  27. 18:10
  28. 17:35
  29. 18:05
  30. 6
  31. 11:30
  32. 4:55 a.m.
  33. 40
  34. 2:35 p.m.
  35. 01:30
  36. 16:55
  37. 200
  38. 180
  39. 02:20
  40. 3

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