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.
Astronomical winter season. This year the astronomical winter begins on 21 December 2014 and ends on 19 March 2015. The astronomical calendar determines the seasons due to the 23.5 degree tilt of the Earth's rotational axis in relation to its orbit around the sun. Both equinoxes and solstices are related to the Earth's orbit around the sun.