This year of 2015 the Winter solstice will be on Tuesday,December 22.

During a Winter Solstice the Day is Shorter and the night is longer and its also colder.

Equinox and Solstice

This year of 2015 the June solstice will be on the 21st.

During a June Solstice the day is longer and night is shorter.

During a Summer Solstice the axis of the earth is tilted directly toward the sun which causes a certain part of the earth to be more warm.