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ScienceMan

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- Thread starter ScienceMan
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In summary, there is a way to calculate the sunrise and sunset times at a given latitude and longitude on a specific day using mathematical equations and algorithms. The angle at which the sun rises or sets can be determined using the declination and latitude. There are also resources available such as books and spreadsheets that provide instructions on how to calculate these events.

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ScienceMan

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Earth sciences news on Phys.org

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jedishrfu

Mentor

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Helios

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D= declination L=latitude

Now we have the when and where.

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Rob Saunders

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tfr000

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Rob Saunders said:Petter Duffett-Smith wrote a book,Practical Astronomy With Your Calculator

Or look up the works of Jean Meeus. He's written several books on astronomical calculation.

Calculating sunrise/sunset times is important for various reasons such as agriculture, astronomy, and navigation. It helps farmers determine the optimal time to plant and harvest crops, astronomers to schedule observations, and sailors to navigate their ships.

Sunrise and sunset times are calculated based on the position of the sun in relation to the Earth. This involves taking into account the Earth's rotation, its tilt on its axis, and its orbit around the sun. The calculation also considers factors such as the observer's location, altitude, and the time of the year.

The sunrise and sunset times vary from day to day due to the Earth's changing position in its orbit around the sun. The tilt of the Earth's axis also plays a role, causing the amount of daylight to vary throughout the year. Additionally, factors such as weather conditions and the observer's location can also affect the exact time of sunrise and sunset.

There are various methods for calculating sunrise and sunset times, including the geometric method, the trigonometric method, and the analytical method. These methods use different mathematical equations and algorithms to determine the exact time of sunrise and sunset.

Yes, there are several tools and resources available for calculating sunrise and sunset times. These include online calculators, mobile apps, and software programs that use algorithms to accurately calculate the sunrise and sunset times for a specific location. Many weather websites also provide this information for free.

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