holidayfyi is an open-source Python library and CLI tool for calculating public holidays, Easter dates, and nth weekday occurrences. It is designed for developers who need accurate holiday and date calculations in their applications, with a zero-dependency core.
In the Frameworks & SDKs space, holidayfyi takes a focused approach. It focuses on calculating public holidays and special dates programmatically without external dependencies. It is built as an open-source project for developers needing holiday/date calculations. holidayfyi is open source under the MIT license. The product ships for the web and the command line.
fyipedia builds and maintains holidayfyi, and the product first shipped in 2026. Development happens publicly on GitHub with 1 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — holidayfyi occupies a relatively distinct niche. Key capabilities include holiday calculation, easter date finder, and nth weekday finder.
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