
December 21st, 2021
Today is the winter solstice, when the southern half of Earth is tilted towards the sun and the top half, the north, is tilted away. For northern places, it’s the coldest season. In fact, at the North Pole they’re getting no sun at all, day or night! The good news is, starting tomorrow each day will have more daylight than the one before. Read on to see how the hours of daylight really add up!

June 21st, 2019
The summer solstice is the first day of summer for the northern half of our planet. And that doesn’t just mean the start of vacation. It’s also the longest day of the year. Read on to do the sunny, summer math!