How long is a night in Alaska?

In Alaska, the length of a night can vary significantly depending on the time of year. During the winter months (November to January), the nights are extremely long, lasting up to 20 hours or more. This is due to the Earth's tilt on its axis, which causes the sun to be lower in the sky during these months. As a result, the days are shorter and the nights are longer.

In contrast, during the summer months (June to August), the nights are much shorter, lasting only a few hours. This is because the sun is higher in the sky during these months, resulting in longer days and shorter nights. The phenomenon of long summer days and short summer nights is commonly referred to as the 'midnight sun' or 'Arctic day'.

It's important to note that Alaska is a large state with a vast expanse of land, so the length of a night can vary slightly depending on the specific location within the state.