June 5, 2009, 12:33pm. Someone else's is correct if you are referring to an item that belongs to someone else. E.g., This is someone else's blog entry.. The correct plural for passer-by is passers-by. This is because the word by is being used as an adjective modifying the noun passer. The noun is the word that is being pluralized.
It is the longest, sunniest day of the year. December 21 marks the day when the Earth is turned the farthest from the Sun. This is known as Winter Solstice. It is the shortest, darkest day of the year. The four seasons are spring, summer, fall and winter.
The year is divided into the four seasons based on the two equinoxes and the two solstices. The summer and winter solstices, which typically land around June 21 and December 22, mark the shortest and the longest days of the year. The autumnal and vernal equinoxes, which fall around September 23 and March 21, mark the points in the year when the day and the night are of equal lengths.