Saint Petersburgの日の出・日の入り

Saint Petersburgの日照パターンを理解する

Saint Petersburg is located at 59.93°N latitude, which determines its seasonal daylight variation. この高緯度では、Saint Petersburgは劇的な極端を経験します。冬至近くは非常に短い日が続き、夏至近くは極めて長くなります — 高緯度の都市では白夜（真夜中の太陽）が見られることもあります。

Solar noon in Saint Petersburg today is at 12:55 PM — the moment when the sun reaches its highest point in the sky. This is not necessarily 12:00 PM on the clock; timezone conventions and longitude within a timezone zone can shift solar noon significantly from clock noon. The difference between clock noon and solar noon is called the equation of time, and it varies throughout the year due to Earth's elliptical orbit.