sekki24 is an open-source project built for ruby developers.

Does sekki24 have a free plan?

Yes — sekki24 is open source under the Open Source license and free to use.

What platforms does sekki24 run on?

sekki24 runs on the web and the command line.

Is sekki24 still maintained?

Unverified. sekki24 has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to sekki24?

Similar projects tracked by PulseGate include EfficiencyNext Data Connector, CKB, and GITVERSE.

Is sekki24 open source?

Yes — sekki24 is open source under the Open Source license.

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sekki24

rubygems.orgInfrastructure

sekki24 is a lightweight Ruby gem for calculating the 24 solar terms, 72 microseasons, supplementary seasonal observances, new moons, and Japanese lunisolar dates spanning 1900 through 2100. It requires no runtime dependencies and is implemented in pure Ruby. Ideal for developers building applications involving traditional Japanese calendars, astronomy, or seasonal event planning.

Open SourceWebCLI

Visit rubygems.org

Overview

4 features

sekki24 is a Developer Tools project. Accurately computing traditional Japanese seasonal and astronomical dates in software applications without external dependencies. It is built as an open-source project for ruby developers. The project is open source (Open Source). It runs on the web and the command line.

sekki24 first shipped in 2026. Among its 4 catalogued features are Solar Terms Calculation, Microseasons Support, and Lunisolar Date Computation.

Summary written by a language model from the project’s public pages.

Solar Terms Calculation
Microseasons Support
Lunisolar Date Computation
Pure Ruby Implementation

Built with & integrations

Framework

Rails

Runs on

BrowserCLI

Detected from

Rails: /assets/application- in the HTML

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed22 Jul · 00:54 UTC
sekki24 verified against its public source
Source: PulseGate · Open

Frequently asked questions about sekki24

What does sekki24 do?: Accurately computing traditional Japanese seasonal and astronomical dates in software applications without external dependencies. It is catalogued under Developer Tools on PulseGate.
Who is sekki24 for?: sekki24 is an open-source project built for ruby developers.
Does sekki24 have a free plan?: Yes — sekki24 is open source under the Open Source license and free to use.
What platforms does sekki24 run on?: sekki24 runs on the web and the command line.
Is sekki24 still maintained?: Unverified. sekki24 has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to sekki24?: Similar projects tracked by PulseGate include EfficiencyNext Data Connector, CKB, and GITVERSE.EfficiencyNext Data Connector CKB GITVERSE
How long has sekki24 been around?: sekki24 first shipped in 2026.
Is sekki24 open source?: Yes — sekki24 is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 22 Jul 2026
Built for: Ruby developers
Model: Open source
Solves: Accurately computing traditional Japanese seasonal and astronomical dates in software applications without external dependencies.

Developer

Rubygems

Live coverage

Identity confidence: Medium · 72.8
Indexed: 22 Jul 2026
Lifecycle: Alive
First seen: Jul 2026
Last seen: 22 Jul 2026

Identity audit (13)

Slug: sekki24-rubygems-org
Lifecycle state recorded: 22 Jul 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 22 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 22 Jul 2026
Canonical URL: https://rubygems.org/gems/sekki24

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