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    33 repositories

    • hdate-js

      Public
      converts between Hebrew and Gregorian dates using Rata Die (R.D.) algorithm by Dershowitz and Reingold
      TypeScript
      •
      GNU General Public License v2.0
      •2•3•1•6•Updated Apr 10, 2026Apr 10, 2026

    • hebcal-geo-sqlite

      Public
      Hebcal ES6 interface to GeoNames and USA ZIP code SQLite databases
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •0•3•0•3•Updated Apr 10, 2026Apr 10, 2026

    • hebcal-rest-api

      Public
      Jewish holidays and Hebrew calendar exports as RSS, CSV, and FullCalendar.io objects, and more
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •0•18•0•6•Updated Apr 10, 2026Apr 10, 2026

    • hebcal-shabbat-email

      Public
      Weekly shabbat times email subscription management for hebcal.com
      TypeScript
      •
      BSD 2-Clause "Simplified" License
      •0•3•0•7•Updated Apr 10, 2026Apr 10, 2026

    • hebcal-mcp

      Public
      Model Context Protocol extension for Hebrew calendar
      TypeScript
      •
      BSD 2-Clause "Simplified" License
      •2•5•0•8•Updated Apr 10, 2026Apr 10, 2026

    • hebcal-es6

      Public
      perpetual Jewish Calendar with holidays, Shabbat and holiday candle lighting and havdalah times, Torah readings, and more
      calendarholidaysjudaism
      calendarholidaysjudaismjewish-holidayshebrew-calendarhebrew-datezmanimdaf-yomiyahrzeitjewish-calendar
      TypeScript
      •
      GNU General Public License v2.0
      •25•121•8•8•Updated Apr 8, 2026Apr 8, 2026

    • noaa

      Public
      sunrise and sunset via NOAA algorithm with elevation, based on KosherJava
      TypeScript
      •
      GNU Lesser General Public License v2.1
      •1•1•0•5•Updated Apr 7, 2026Apr 7, 2026

    • hebcal-leyning

      Public
      Javascript Torah Reading API for Parashat HaShavua and holidays
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •5•10•0•0•Updated Apr 6, 2026Apr 6, 2026

    • hebcal-web

      Public
      Hebcal server-side Node.js for www.hebcal.com and download.hebcal.com
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •4•9•0•1•Updated Mar 31, 2026Mar 31, 2026

    • hebcal-learning

      Public
      Daily Learning Schedules: Daf Yomi, Mishna Yomi, Nach Yomi, etc.
      JavaScript
      •
      GNU General Public License v2.0
      •5•8•1•0•Updated Mar 27, 2026Mar 27, 2026

    • hebcal.github.io

      Public
      HTML
      •0•1•0•0•Updated Mar 27, 2026Mar 27, 2026

    • hebcal-web-static

      Public
      Images, stylesheets and client-side JavaScript for hebcal.com
      HTML
      •0•0•0•0•Updated Mar 17, 2026Mar 17, 2026

    • hebcal-locales

      Public
      Translations for Hebcal events in multiple languages
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •6•3•0•0•Updated Mar 12, 2026Mar 12, 2026

    • hebcal-cities

      Public
      Hebcal city database for candle-lighting times
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •0•1•0•3•Updated Mar 12, 2026Mar 12, 2026

    • hebcal-icalendar

      Public
      Jewish holidays and Hebrew calendar as iCalendar RFC 2445
      TypeScript
      •
      BSD 2-Clause "Simplified" License
      •0•1•0•0•Updated Mar 9, 2026Mar 9, 2026

    • hebcal-triennial

      Public
      Javascript Triennial Torah Readings
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •0•3•0•0•Updated Mar 8, 2026Mar 8, 2026

    • hebcal

      Public
      A perpetual Jewish Calendar
      calendarjudaismjewish-holidays
      calendarjudaismjewish-holidayshebrew-calendarhebrew-datejewish-calendarhebcal
      Go
      •
      GNU General Public License v2.0
      •47•177•20•2•Updated Mar 2, 2026Mar 2, 2026

    • hebcal-go

      Public
      A perpetual Jewish Calendar (golang)
      golangjewish-holidayshebrew-calendar
      golangjewish-holidayshebrew-calendarjewish-calendarhebcal
      Go
      •
      GNU General Public License v2.0
      •7•19•2•3•Updated Feb 20, 2026Feb 20, 2026

    • hebcal-swift

      Public
      Perpetual Hebrew calendar in Swift
      Swift
      •
      GNU General Public License v2.0
      •5•17•1•0•Updated Sep 1, 2025Sep 1, 2025

    • hdate

      Public
      converts between Hebrew and Gregorian dates
      Go
      •
      GNU General Public License v2.0
      •2•6•0•0•Updated Jul 27, 2025Jul 27, 2025

    • greg

      Public
      converts between Gregorian dates and R.D. (Rata Die) day numbers
      Go
      •
      GNU General Public License v2.0
      •1•2•0•0•Updated May 18, 2025May 18, 2025

    • gcal-extension

      Public
      GNU General Public License v2.0
      •0•0•0•0•Updated Feb 19, 2025Feb 19, 2025

    • hebcal-aws-lambda

      Public
      An AWS Lambda function for integrating Hebcal with the Alexa Skills Kit
      JavaScript
      •
      MIT License
      •1•6•2•0•Updated Nov 4, 2024Nov 4, 2024

    • hebcal-rs

      Public
      Rust
      •
      GNU General Public License v2.0
      •1•4•0•2•Updated Jun 14, 2024Jun 14, 2024

    • hebcal-docker

      Public
      MIT License
      •1•2•0•1•Updated Apr 12, 2024Apr 12, 2024

    • gematriya

      Public
      Simple Go implementation of gematriya, a system of writing numbers as Hebrew letters
      Go
      •
      BSD 2-Clause "Simplified" License
      •1•2•0•0•Updated Dec 13, 2022Dec 13, 2022

    • solar-calc

      Public
      A sunrise and sunset calculator for npm
      JavaScript
      •
      MIT License
      •15•2•0•0•Updated Nov 16, 2022Nov 16, 2022

    • .github

      Public
      perpetual Jewish Calendars in Go, JavaScript, Swift, C, Java and Perl
      0•0•0•0•Updated Oct 4, 2022Oct 4, 2022

    • hebcal-js

      Public
      ⛔️ DEPRECATED - a perpetual Jewish Calendar (JavaScript)
      deprecatedobsoleteno-maintenance-intended
      deprecatedobsoleteno-maintenance-intended
      JavaScript
      •
      GNU General Public License v3.0
      •41•126•19•8•Updated Jun 21, 2022Jun 21, 2022

    • dotcom

      Public
      deprecated hebcal.com source code
      deprecateddeprecated-repo
      deprecateddeprecated-repo
      PHP
      •9•20•14•1•Updated Jul 19, 2021Jul 19, 2021
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