Darkest Day Of The Year 2025. Being the darkest day of the month, amavaysa is considered one of the most powerful and impactful times of the year. So, what is the winter solstice, and why does it happen?

In 2025 the winter solstice will occur on. The moon is therefore invisible from earth, creating the darkest sky of the month—perfect for camping trips out to observe stars and see the milky way.