GEOGRAPHY & CARTOGRAPHY CALCULATOR
Longitudegolden Hour
A precise tool.
What is the Longitudegolden Hour & How does it work?
The “golden hour” is the period shortly after sunrise or before sunset when sunlight is diffused, producing warm, soft illumination that photographers prize. Because the Sun’s path across the sky changes with latitude, the length and timing of the golden hour vary dramatically from the equator to the poles. By combining the observer’s latitude with the Sun’s declination on a given day, we can estimate the duration of this magical light.
\text{GH}=\frac{2}{15}\arccos\left(-\tan\phi\,\tan\delta\right)
GH = golden‑hour duration (hours)
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Result
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Frequently Asked Questions
What is the golden hour in photography?
The golden hour is a time shortly after sunrise or before sunset when sunlight is soft and warm, ideal for photography.
How does latitude affect the golden hour?
Latitude influences the length and timing of the golden hour because the Sun's path across the sky changes with location on Earth.
Can you explain how to use this calculator?
Input your latitude and select a date to estimate the duration of the golden hour for that day.
What is the formula used in this calculator?
The formula used is GH = 2/15 * arccos(-tan(phi) * tan(delta)), where phi is latitude and delta is solar declination.
Why does the golden hour vary by location?
The Sun's position relative to Earth changes with latitude, affecting how long the golden hour lasts in different places.
Is there a specific time of year when the golden hour is longest?
Yes, near the equinoxes, the golden hour can be longer because the Sun's path across the sky is more horizontal.
How does altitude affect the golden hour?
Altitude has a minor effect on the golden hour; higher altitudes generally result in slightly longer durations due to thinner atmosphere scattering light less.
Results are for informational purposes only and do not constitute professional advice.