Source: wikibot/sunrise-equation
= Sunrise equation
{wiki=Sunrise_equation}
The Sunrise equation is a mathematical formula used to calculate the time of sunrise or sunset at a specific location on Earth, taking into account factors such as the observer's latitude, the day of the year, and the elevation of the observer's location. The basic formula for the time of sunrise can be summarized as follows: 1. **Calculate the declination of the Sun (\\( \\delta \\))**: \\\[ \\delta = 23.