# Solar Info

> Information about the Sun and tools for building and understanding sundials.

Canonical page: [https://chrome-stats.com/d/com.tempusumbra.solarwidget](https://chrome-stats.com/d/com.tempusumbra.solarwidget)

## Overview

- **ID:** `com.tempusumbra.solarwidget`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Tempus Umbra
- **Category:** EDUCATION
- **Downloads:** 21,968
- **Rating:** 4.41 / 5 (377 ratings)
- **Version:** 5.1
- **Last updated:** 2026-08-28
- **First published:** 2015-02-18
- **Publisher country:** ES
- **Size:** 30 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tempusumbra.solarwidget)
- **Website:** [https://sites.google.com/view/tempusumbraweb/inicio?authuser=1](https://sites.google.com/view/tempusumbraweb/inicio?authuser=1)
- **Privacy policy:** [https://cebuvi.github.io/Tempusumbra/PrivacyPolicy.html](https://cebuvi.github.io/Tempusumbra/PrivacyPolicy.html)

## Description

**Solar Info** is a powerful Chrome extension offering detailed information on the Sun's diurnal motion and year-round position. It simplifies understanding familiar yet complex astronomical phenomena by providing accurate solar time calculations using advanced algorithms.

Ideal for sundial installation and enthusiasts, the extension features a customizable widget displaying solar time, sunrise and sunset timings, and the Sun's relative sky position. Users can access an extensive ephemeris with essential solar data including altitude, azimuth, twilight phases, equinoxes, solstices, and more. Location settings are versatile, supporting GPS, offline city databases, manual input, and favorites.

Additional features include graphical visualizations of the Equation of Time, Analemma, and daily sun paths, with export options for data analysis. The app continuously updates solar time with high precision, ensuring accurate information for both professional and educational use.

Whether you're a sundial builder or astronomy enthusiast, Solar Info equips you with comprehensive solar insights and practical tools right in your browser.

## Rankings

- #417,364 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `com.tempusumbra.solarwidget.permission.MAPS_RECEIVE`

## Review summary

Solar Info is praised for its comprehensive solar and astronomical data, accurate timing, and attractive interface, appealing especially to sundial users. However, multiple users report stability problems including crashes on new phones, widget errors, and failure to open on some devices. The need to enable location is critical to prevent crashes. Language settings with multiple languages shown together can confuse users. Developer responsiveness is a positive factor.

### Pros

- Provides extensive and detailed solar and astronomical information.
- Attractive and well-arranged user interface and layout.
- Accurate solar time data matching previous trusted apps.
- Includes useful features like clocks and sundial info beneficial for enthusiasts.
- Responsive developer support for issues and feedback.

### Cons

- Frequent crashes reported especially on newer devices or after phone upgrades.
- Requires location to function properly, failure to set it causes crashes.
- Issues with widget loading and stability after recent updates.
- App includes multiple languages at once which can confuse users preferring a single language.
- Complaints about app not opening on some Samsung devices.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.tempusumbra.solarwidget)