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Solar Dial

Name: Solar Dial
Author: BrunswickBTC

BrunswickBTC

Private, offline apparent-solar-time clock and true-azimuth instrument.

Security & privacy
FOSS
Free

Android only

Get Solar Dial

Get it on Zapstore Get it on GitHub

What are these stores? Zapstore, GitHub

Solar Dial is a privacy-first Android solar instrument that calculates local apparent solar time, true solar azimuth and elevation, sunrise, solar noon, and sunset entirely on device.

Developer: BrunswickBTC
Source code: github.com/BrunswickBTC/solar-dial
Added to AppCosmos: 10 October 2026
License: Apache-2.0