When Earth arrives at the point in its orbit where the North Pole is as its maximum tilt (approximately 23.5 degrees from the celestial equator) toward the sun, it results in the longest day and ...

When Earth arrives at the point in its orbit where the North Pole is as its maximum tilt (approximately 23.5 degrees from the celestial equator) toward the sun, it results in the longest day and ...

When Earth arrives at the point in its orbit where the North Pole is as its maximum tilt (approximately 23.5 degrees from the celestial equator) toward the sun, it results in the longest day and ...

Winter solstice 2025, which marks the start of winter in the Northern Hemisphere, will occur on Sunday, Dec. 21, 2025, 10:03 a.m. Eastern. When is the shortest day of the year? How long will it be?

At 10:42 p.m. EDT on June 20 (0242 GMT on June 21), the sun will reach that point where it is farthest north of the celestial equator. To be more precise, when the solstice occurs the sun will ...

At 10:42 p.m. Friday night, the sun will reach its most northern point — at an angle 23.5 degrees above the equator known as the Tropic of Cancer. The longest day of the year in the northern ...