The longest daylight hours are on the first day of summer ,in the Northern Hemisphere, which is June 21st. There are approximately 12 hours of daylight on the equator and 24 hours of daylight on the North Pole on that day. It is the first day of winter in the Southern Hemisphere and the shortest day there.
The day when there is the most sunlight is also called the summer solstice. On the summer solstice, the sun rises and sets at different times around the world. In Anchorage, Alaska, the sun rises at 4:20 a.m. and sets at 11:42 p.m. In the Pacific Northwest in Seattle, Washington, the sun rises a little later at 5:11 a.m. and sets at 9:10 p.m. On the east coast in New York City, New York, there are nearly 15 hours of sunlight, as the sun rises at 5:24 a.m. and sets at 8:30 p.m. The earliest sunrise in Los Angeles is at 5:41 a.m.