klausbrunner/solarpositioning
Java sun position code (topocentric coordinates, sunrise/sunset/twilight) based on the NREL SPA and ENEA/Grena algorithms.
Star History
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+10
STARS · LAST 30 DAYS
1
PER DAY
#1,302
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
solarpositioning gained 10 stars in the last 30 days, about 1 a day, and now has 106. It is about 14 years old and has averaged roughly 8 stars a year. It ranks #1,302 among Java repositories and #15,306 across all languages on GitHubRepo.
Trending Record
2
DAYS ON TRENDING
#13957
BEST RANK
Oct 12, 2026
FIRST APPEARANCE
Active
STATUS TODAY
solarpositioning has maintained a continuous presence across global trending indexes, peaking at #13957. Below is the 30-day activity profile:
💡 Overview
solarpositioning is an open-source project written in Java: Java sun position code (topocentric coordinates, sunrise/sunset/twilight) based on the NREL SPA and ENEA/Grena algorithms.
Engineered for speed, consistency, and developer ease, it solves common hurdles in astronomy, java, library. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Java for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/klausbrunner/solarpositioning.git
cd solarpositioning⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
solarpositioning coordinates its core functionality through a modular Java pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed solarpositioning into Java backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open MIT license.
🚀 Getting Started
Install solarpositioning using your package manager: `git clone https://github.com/klausbrunner/solarpositioning.git`
Initialize your project workspace or configuration file for solarpositioning.
Import solarpositioning into your codebase or invoke it directly from your terminal.
Execute your test suite or run `solarpositioning --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
klausbrunner/solarpositioning is currently ranked #15,306 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #15,248 | jtaroreh/agystack | Python | ★ 107 | Compare ↗ |
| #15,248 | s4ntrx/S4ntrx-Bot | Python | ★ 107 | Compare ↗ |
| #15,248 | engenheirodevideo/get-brolls | Python | ★ 107 | Compare ↗ |
| #15,248 | apromisedland/VLCoT | Python | ★ 107 | Compare ↗ |
| #15,248 | VectifyAI/jev-doc-search | Python | ★ 107 | Compare ↗ |
| #15,306 | klausbrunner/solarpositioning This Project | Java | ★ 106 | |
| #15,306 | lmarlow/gemedit | Ruby | ★ 106 | Compare ↗ |
| #15,306 | sunny/edith | PHP | ★ 106 | Compare ↗ |
| #15,306 | cjbottaro/app_config | Ruby | ★ 106 | Compare ↗ |
| #15,306 | jonleighton/date_input | JavaScript | ★ 106 | Compare ↗ |
| #15,306 | lig/pystardict | Python | ★ 106 | Compare ↗ |
Frequently Asked Questions
What does solarpositioning do? +
Java sun position code (topocentric coordinates, sunrise/sunset/twilight) based on the NREL SPA and ENEA/Grena algorithms.
What language is solarpositioning written in? +
The primary language is Java. Topics include: astronomy, java, library, science, solar.
Is solarpositioning actively maintained? +
Yes, the last recorded push was on Oct 12, 2026 with 1 open issues being tracked.
How many stars does solarpositioning have? +
solarpositioning has 106 stars and 27 forks on GitHub.
How does solarpositioning rank among GitHub repositories? +
With 106 stars, klausbrunner/solarpositioning is ranked #15,306 globally across all repositories tracked on GitHubRepo and #1,302 among Java projects.
What license is solarpositioning distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
