Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Golden Hour & Blue Hour Calculator

Find the exact golden hour and blue hour times for any location and date. Photographers use this to plan outdoor shoots when warm, directional light is at its best.

Latitude (°)

Day of Year (day)

Sun Angle for Golden Hour

Time Zone Offset

Fill in the required fields to see your result.

Photography

Studio Lighting Ratio Calculator

Determine the exact fill light power needed to achieve a target lighting ratio in studio photography. Use this when balancing key and fill lights for portraits or product shots.

Key Light Power

Key Light Distance (meters)

Fill Light Distance (meters)

Desired Lighting Ratio

Fill in the required fields to see your result.

Key differences

	Golden Hour & Blue Hour Calculator	Studio Lighting Ratio Calculator
Category	Photography	Photography
Inputs required	4	4
Result	Golden Hour Start Time (hours)	Required Fill Light Power (W)
What it does	Find the exact golden hour and blue hour times for any location and date. Photographers use this to plan outdoor shoots when warm, directional light is at its best.	Determine the exact fill light power needed to achieve a target lighting ratio in studio photography. Use this when balancing key and fill lights for portraits or product shots.