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Nautical twilight is the second twilight phase when the Sun is between 6 and 12 degrees below the horizon. Learn how to calculate the timing and length of nautical twilight, and the difference between nautical dawn and dusk.
4 ημέρες πριν · Sunrise, Sunset Times Today | Tomorrow. Sunrise, Sunset Times 2024. • What is Civil Dawn? Civil Dawn is the moment when the geometric center of the Sun is 6 degrees below the horizon in the morning (Morning nautical twilight ends, morning civil twilight starts).
Nautical dawn occurs when the Sun is 12 degrees below the horizon during the morning. Nautical dusk occurs when the Sun is 12 degrees below the horizon in the evening. The term, nautical twilight, dates back to the time when sailors used the stars to navigate the seas.
Nautical dawn – the geometric center of the Sun's disk is 12 degrees below the horizon. Civil dawn – the geometric center of the Sun's disk is 6 degrees below the horizon. Precise dawn and sunrise times for your city.
Nautical twilight. This is when the Sun's centre is 12° below the horizon, and is to all intents and purposes the time when it is dark. It is known as nautical twilight because it is the time when mariners can use the position of well-known stars in relation to the horizon in order to navigate.
8 Δεκ 2023 · This calculator provides the times of nautical twilight at a user-defined position, for today and at fortnightly intervals during a selected calendar year. The times of sunrise and sunset are included, and all times are adjusted to reflect the UTC offset of the user's clock.
1 ημέρα πριν · What time is dawn? Sunrise, Sunset Times Today | Tomorrow. Sunrise, Sunset Times 2024. • What is Civil Dusk? Civil Dusk is the moment when the geometrical center of the Sun is 6 degrees below the horizon in the evening (Evening civil twilight ends, evening nautical twilight starts).
