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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 100 · 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.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 a.m. (c) 7:40 a.m.
  2. 2.Write 8:30 p.m. in 24-hour time. (a) 22:30 (b) 20:30 (c) 08:30
  3. 3.A match starts at 10:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:10 (b) 13:10 (c) 12:10
  4. 4.A film is 2 hours 45 minutes long. How many minutes is that?
  5. 5.What is 01:15 in 12-hour time? (a) 3:15 a.m. (b) 1:15 a.m. (c) 1:15 p.m.
  6. 6.A film is 2 hours 30 minutes long. How many minutes is that?
  7. 7.A match starts at 16:00 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:40 (b) 20:40 (c) 19:40
  8. 8.How many hours are there from 08:00 to 15:00?
  9. 9.How many hours are there from 11:00 to 16:00?
  10. 10.A match starts at 12:45 and lasts 2 hours 10 minutes. At what time does it end? (a) 14:55 (b) 13:55 (c) 15:55
  11. 11.A film is 4 hours 5 minutes long. How many minutes is that?
  12. 12.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 p.m. (c) 2:40 a.m.
  13. 13.A train leaves at 06:10 and reaches at 07:35. How long is the journey (in minutes)?
  14. 14.A film is 3 hours 40 minutes long. How many minutes is that?
  15. 15.A film is 4 hours 55 minutes long. How many minutes is that?
  16. 16.A film is 3 hours 5 minutes long. How many minutes is that?
  17. 17.Write 5:50 a.m. in 24-hour time. (a) 07:50 (b) 17:50 (c) 05:50
  18. 18.A train leaves at 13:50 and reaches at 14:20. How long is the journey (in minutes)?
  19. 19.A train leaves at 09:25 and reaches at 10:25. How long is the journey (in minutes)?
  20. 20.A train leaves at 16:20 and reaches at 17:20. How long is the journey (in minutes)?
  21. 21.Write 4:15 p.m. in 24-hour time. (a) 18:15 (b) 04:15 (c) 16:15
  22. 22.A match starts at 13:20 and lasts 1 hour 45 minutes. At what time does it end? (a) 16:05 (b) 15:05 (c) 14:05
  23. 23.A film is 2 hours 15 minutes long. How many minutes is that?
  24. 24.Write 10:25 p.m. in 24-hour time. (a) 00:25 (b) 10:25 (c) 22:25
  25. 25.Write 3:40 p.m. in 24-hour time. (a) 03:40 (b) 15:40 (c) 17:40
  26. 26.A match starts at 16:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 21:25 (b) 20:25 (c) 19:25
  27. 27.A film is 1 hour 15 minutes long. How many minutes is that?
  28. 28.What is 01:10 in 12-hour time? (a) 1:10 a.m. (b) 1:10 p.m. (c) 3:10 a.m.
  29. 29.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 00:10 (c) 22:10
  30. 30.A film is 2 hours 55 minutes long. How many minutes is that?
  31. 31.A match starts at 09:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 11:55
  32. 32.A train leaves at 08:05 and reaches at 10:25. How long is the journey (in minutes)?
  33. 33.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50
  34. 34.A train leaves at 09:45 and reaches at 11:00. How long is the journey (in minutes)?
  35. 35.A match starts at 06:50 and lasts 2 hours 10 minutes. At what time does it end? (a) 10:00 (b) 08:00 (c) 09:00
  36. 36.What is 18:35 in 12-hour time? (a) 6:35 a.m. (b) 8:35 p.m. (c) 6:35 p.m.
  37. 37.Write 8:35 a.m. in 24-hour time. (a) 20:35 (b) 10:35 (c) 08:35
  38. 38.A match starts at 13:05 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 17:10
  39. 39.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 p.m. (c) 8:15 a.m.
  40. 40.A match starts at 18:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:45 (b) 20:45 (c) 18:45

Answer key

  1. 7:40 a.m.
  2. 20:30
  3. 12:10
  4. 165
  5. 1:15 a.m.
  6. 150
  7. 20:40
  8. 7
  9. 5
  10. 14:55
  11. 245
  12. 2:40 a.m.
  13. 85
  14. 220
  15. 295
  16. 185
  17. 05:50
  18. 30
  19. 60
  20. 60
  21. 16:15
  22. 15:05
  23. 135
  24. 22:25
  25. 15:40
  26. 20:25
  27. 75
  28. 1:10 a.m.
  29. 22:10
  30. 175
  31. 10:55
  32. 140
  33. 07:50
  34. 75
  35. 09:00
  36. 6:35 p.m.
  37. 08:35
  38. 16:10
  39. 8:15 a.m.
  40. 19:45

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