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When to use Equation of Time 3D Explorer
freetoolonline.com editorial team
Use this explorer when you want to understand sundials, the analemma, and why solar noon drifts from clock noon; skip it when you want the globe or the Moon.
The numbers side by side
| Aspect | Equation of Time 3D Explorer | Typical alternative |
|---|---|---|
| Install size | 0 MB - runs in the browser | Desktop astronomy software varies |
| Price | USD 0 | Often paid software |
| Sundial vs clock gap | Up to ~16 min ahead / ~14 min behind | Static analemma chart without year scrub |
- Classroom demos of the analemma and the equation of time
- Explaining why a sundial does not match a clock
- Separating the tilt effect from the eccentricity effect
This is an educational visualization using a standard approximation, not drawn to exact scale.
Walk the controls in the step-by-step guide, or compare options in vs alternatives. Open the Equation of Time 3D Explorer.
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