The sun rose at 6 hours 15 minutes. The duration of the day is 14 hours 45 minutes. Write down the time of sunset.

From 6 hours 15 minutes before sunset, (6 + 14) hours and (15 + 45) minutes passed. First, add the hours and minutes separately.
We get 20 hours and 60 minutes. 60 minutes is 1 hour, which we add to 20 hours, and we have 60 – 60 = 0 minutes left. This means that the sunset happened at 21:00.



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