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    39 repositories

    • 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
      •1•19•0•3•Updated Jul 16, 2026Jul 16, 2026

    • hebcal

      Public
      A perpetual Jewish Calendar
      calendarjudaismjewish-holidays
      calendarjudaismjewish-holidayshebrew-calendarhebrew-datejewish-calendarhebcal
      Go
      •
      GNU General Public License v2.0
      •48•182•10•1•Updated Jul 16, 2026Jul 16, 2026

    • solar-calc

      Public archive
      (deprecated) A sunrise and sunset calculator for npm
      JavaScript
      •
      MIT License
      •13•2•0•0•Updated Jul 16, 2026Jul 16, 2026

    • hebcal-go

      Public
      A perpetual Jewish Calendar (golang)
      golangjewish-holidayshebrew-calendar
      golangjewish-holidayshebrew-calendarjewish-calendarhebcal
      Go
      •
      GNU General Public License v2.0
      •7•20•1•3•Updated Jul 16, 2026Jul 16, 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
      •30•129•2•1•Updated Jul 16, 2026Jul 16, 2026

    • hebcal.github.io

      Public
      HTML
      •0•1•0•0•Updated Jul 15, 2026Jul 15, 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•0•Updated Jul 15, 2026Jul 15, 2026

    • hebcal-shabbat-email

      Public
      Weekly shabbat times email subscription management for hebcal.com
      TypeScript
      •
      BSD 2-Clause "Simplified" License
      •0•3•0•0•Updated Jul 14, 2026Jul 14, 2026

    • hebcal-api-go

      Public
      Hebrew Calendar HTTP APIs as microservice in Go
      Go
      •0•2•0•0•Updated Jul 13, 2026Jul 13, 2026

    • hdate

      Public
      converts between Hebrew and Gregorian dates
      Go
      •
      GNU General Public License v2.0
      •2•6•0•0•Updated Jul 12, 2026Jul 12, 2026

    • 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 Jul 12, 2026Jul 12, 2026

    • 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 Jul 12, 2026Jul 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 Jul 10, 2026Jul 10, 2026

    • hebcal-triennial

      Public
      Javascript Triennial Torah Readings
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •0•3•0•0•Updated Jul 10, 2026Jul 10, 2026

    • hebcal-geo-sqlite

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

    • hebcal-learning

      Public
      Daily Learning Schedules: Daf Yomi, Mishna Yomi, Nach Yomi, etc.
      TypeScript
      •
      GNU General Public License v2.0
      •6•9•1•0•Updated Jul 10, 2026Jul 10, 2026

    • hebcal-leyning

      Public
      Javascript Torah Reading API for Parashat HaShavua and holidays
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •5•10•1•0•Updated Jul 10, 2026Jul 10, 2026

    • hebcal-mcp

      Public
      Model Context Protocol extension for Hebrew calendar
      TypeScript
      •
      BSD 2-Clause "Simplified" License
      •2•6•0•2•Updated Jul 10, 2026Jul 10, 2026

    • noaa

      Public
      sunrise and sunset via NOAA algorithm with elevation, based on KosherJava
      TypeScript
      •
      GNU Lesser General Public License v2.1
      •1•2•0•0•Updated Jul 10, 2026Jul 10, 2026

    • 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•0•Updated Jul 10, 2026Jul 10, 2026

    • learning

      Public
      Daily learning schedules (Daf Yomi, Mishna Yomi, Nach Yomi, Yerushalmi Yomi) for the Hebcal Jewish calendar, in Go
      Go
      •
      GNU General Public License v2.0
      •0•1•0•0•Updated Jul 8, 2026Jul 8, 2026

    • locales

      Public
      Translations for Hebcal events in multiple languages (Golang)
      Go
      •
      BSD 2-Clause "Simplified" License
      •0•1•0•0•Updated Jul 8, 2026Jul 8, 2026

    • po2catalog

      Public
      Golang Locales v2
      TypeScript
      •
      BSD 2-Clause "Simplified" License
      •0•1•0•0•Updated Jul 8, 2026Jul 8, 2026

    • noaa-go

      Public
      sunrise and sunset via NOAA algorithm with elevation, based on KosherJava
      Go
      •
      GNU Lesser General Public License v2.1
      •0•1•0•0•Updated Jul 6, 2026Jul 6, 2026

    • hebcal-geoip2

      Public
      Fast GeoIP lookup microservice for Hebcal — mmaps GeoLite2-City.mmdb and serves lookups over a Unix socket/TCP
      Go
      •
      BSD 2-Clause "Simplified" License
      •0•1•0•0•Updated Jun 30, 2026Jun 30, 2026

    • hebcal-cities

      Public
      Hebcal city database for candle-lighting times
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •0•1•0•0•Updated Jun 22, 2026Jun 22, 2026

    • hebcal-locales

      Public
      Translations for Hebcal events in multiple languages
      JavaScript
      •
      BSD 2-Clause "Simplified" License
      •6•3•0•0•Updated Jun 22, 2026Jun 22, 2026

    • hebcal-rs

      Public
      Rust
      •
      GNU General Public License v2.0
      •1•4•0•2•Updated Jun 6, 2026Jun 6, 2026

    • hebcal-swift

      Public
      Perpetual Hebrew calendar in Swift
      Swift
      •
      GNU General Public License v2.0
      •5•18•0•0•Updated May 14, 2026May 14, 2026

    • hebcal-web-static

      Public
      Images, stylesheets and client-side JavaScript for hebcal.com
      HTML
      •0•0•0•0•Updated Apr 21, 2026Apr 21, 2026
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