Date & TimeUpdated 2026-04-12
Sunrise/Sunset Daylight Calculator
Estimate daylight duration from sunrise and sunset times entered as decimal hours.
Result
Daylight hours
12.25
Daylight minutes
735.00
Formula Explanation
This calculator uses the displayed inputs in a transparent arithmetic formula. Editable assumptions are provided where rates or rules can vary.
How to Use
- Enter the requested inputs.
- Keep any editable rule or rate fields aligned with your situation.
- Review the result and notes before using the estimate.
Examples
Adjust the defaults to match your scenario, then calculate the estimate.
FAQ
Can I change the assumptions?
Yes. Editable rate and rule fields are included when the exact rule can vary by place, provider, or date.
Is this copied from another site?
No. This page uses an original implementation and rewrites the calculator structure, labels, formulas, and copy.