Sidereal vs Solar Day
Calculate Sidereal vs Solar Day instantly with the exact formula and a worked example.
Sidereal vs Solar Day
Solar (86400)s
Sidereal (86164)s
Δ sec
20s
More about: Sidereal vs Solar Day
What it calculates
The “Sidereal vs Solar Day” calculator computes Δ sec in s from 2 parameters: solar (86400) (s), sidereal (86164) (s).
An astronomy calculation for enthusiasts and scientists.
Example calculation
With parameters Solar (86400) = 100 s, Sidereal (86164) = 80 s the result is 20 s.
How to use
- Enter solar (86400) and sidereal (86164) — each field above is adjustable with a slider.
- Δ sec (s) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Sidereal vs Solar Day calculated?
The Sidereal vs Solar Day calculator computes Δ sec (in s) from solar (86400), sidereal (86164). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Sidereal vs Solar Day calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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