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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 585 · 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 8:35 a.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 10:35
  2. 2.A film is 2 hours 5 minutes long. How many minutes is that?
  3. 3.A match starts at 06:45 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:55 (b) 06:55 (c) 07:55
  4. 4.What is 23:55 in 12-hour time? (a) 11:55 a.m. (b) 11:55 p.m. (c) 1:55 p.m.
  5. 5.A match starts at 09:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 14:45
  6. 6.A film is 3 hours 40 minutes long. How many minutes is that?
  7. 7.A film is 1 hour 20 minutes long. How many minutes is that?
  8. 8.A train leaves at 08:00 and reaches at 09:25. How long is the journey (in minutes)?
  9. 9.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 15:55 (c) 03:55
  10. 10.A train leaves at 10:05 and reaches at 13:00. How long is the journey (in minutes)?
  11. 11.A train leaves at 16:10 and reaches at 17:35. How long is the journey (in minutes)?
  12. 12.Write 6:00 p.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 20:00
  13. 13.A train leaves at 11:55 and reaches at 13:30. How long is the journey (in minutes)?
  14. 14.A film is 2 hours 25 minutes long. How many minutes is that?
  15. 15.Write 4:45 a.m. in 24-hour time. (a) 16:45 (b) 06:45 (c) 04:45
  16. 16.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 16:00 (c) 02:00
  17. 17.A film is 4 hours 15 minutes long. How many minutes is that?
  18. 18.A train leaves at 18:40 and reaches at 20:20. How long is the journey (in minutes)?
  19. 19.How many hours are there from 06:00 to 09:00?
  20. 20.A film is 4 hours 55 minutes long. How many minutes is that?
  21. 21.What is 09:55 in 12-hour time? (a) 9:55 a.m. (b) 11:55 a.m. (c) 9:55 p.m.
  22. 22.A train leaves at 13:10 and reaches at 16:15. How long is the journey (in minutes)?
  23. 23.What is 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 p.m. (c) 1:45 a.m.
  24. 24.How many hours are there from 05:00 to 08:00?
  25. 25.A match starts at 16:20 and lasts 3 hours 20 minutes. At what time does it end? (a) 18:40 (b) 20:40 (c) 19:40
  26. 26.A film is 2 hours 50 minutes long. How many minutes is that?
  27. 27.Write 9:50 a.m. in 24-hour time. (a) 09:50 (b) 11:50 (c) 21:50
  28. 28.A train leaves at 08:55 and reaches at 11:45. How long is the journey (in minutes)?
  29. 29.A train leaves at 08:45 and reaches at 10:55. How long is the journey (in minutes)?
  30. 30.How many hours are there from 08:00 to 10:00?
  31. 31.A train leaves at 18:50 and reaches at 20:25. How long is the journey (in minutes)?
  32. 32.A match starts at 18:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 19:25 (b) 18:25 (c) 20:25
  33. 33.What is 23:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 p.m. (c) 11:40 a.m.
  34. 34.A film is 4 hours 10 minutes long. How many minutes is that?
  35. 35.A match starts at 15:35 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
  36. 36.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
  37. 37.A train leaves at 16:00 and reaches at 19:05. How long is the journey (in minutes)?
  38. 38.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 16:15 (c) 02:15
  39. 39.How many hours are there from 12:00 to 20:00?
  40. 40.A film is 1 hour 35 minutes long. How many minutes is that?

Answer key

  1. 08:35
  2. 125
  3. 07:55
  4. 11:55 p.m.
  5. 13:45
  6. 220
  7. 80
  8. 85
  9. 03:55
  10. 175
  11. 85
  12. 18:00
  13. 95
  14. 145
  15. 04:45
  16. 14:00
  17. 255
  18. 100
  19. 3
  20. 295
  21. 9:55 a.m.
  22. 185
  23. 1:45 a.m.
  24. 3
  25. 19:40
  26. 170
  27. 09:50
  28. 170
  29. 130
  30. 2
  31. 95
  32. 19:25
  33. 11:40 p.m.
  34. 250
  35. 18:45
  36. 10:55
  37. 185
  38. 14:15
  39. 8
  40. 95

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