What are the four zodiac signs for the summer months in the northern hemisphere?

Gemini, Cancer, Leo, Virgo

Explanation:

The zodiac signs have been created very long time ago, and they have been based on the positions of the space objects relative to the position of the Earth, or rather from Earth's perspective. They have been associated with numerous things, be it mythology, how would someone's character be, some would someone look physically, and even for predicting the future in accordance to the zodiac sign. It is not just the space objects that are determined as zodiac signs, but big influence is attributed to the planets in our solar system as well, as they can be detrimental to a particular phase of the zodiac signs. There's 12 zodiac signs, though a 13th has been added because of the movement of the space objects and change of positions, thus emergence of one more that can be included, but it is still not widely used. The four zodiac signs for the summer months in the Northern Hemisphere are the Gemini, Cancer, Leo, and Virgo, all of which have totally different characteristics from one another.

separation of church and state? not sure what you mean.