![]() ![]() Within the polar circles, the Sun does not set at all in the summer, so there is no twilight during that time of the year. An all-night period of civil twilight is also referred to as a white night. In Europe, it covers much of central Scandinavia. In the northern hemisphere, this roughly correlates with the southern half of the Northwest Territories and the Yukon Territory in Canada, including their capitals, and Whitehorse. The area experiencing all-night civil twilight around the summer solstice lies between about 60☃3′ and the polar circles at 66☃3′ North and South. Timing of the twilight phases where you are Twilight Around the PolesĪt high latitudes and around the summer solstice, the Sun does not move lower than 18° below the horizon, so twilight can last from sunset to sunrise.
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