To expand a bit on Quora User 's answer… Strictly speaking, most constellations are visible all the time, it just happens to be during the day when the sun washes them out because it's bright. read more
When viewed during the night time, looking outward from the Earth orbit, some of these stars can be seen. Twelve hours later, looking towards the Sun no stars can be seen. Six months later, looking outward from the Earth’s orbit a different sector of stars (Constellations) can be seen. read more
Strictly speaking, most constellations are visible all the time, it just happens to be during the day when the sun washes them out because it’s bright. Think of the night side of the Earth facing different directions and you can see why you see different parts of the sky at different times of year. read more