IDF Date Converter
Verified95/100Convert between Hebrew (Jewish) calendar and Gregorian dates, look up Israeli holidays, format dual dates for Israeli documents, and calculate Israeli business days. Use when user asks about Hebrew dates, "luach ivri", Jewish calendar, Israeli holidays, "chagim", Shabbat times, or needs dual-date formatting for Israeli forms. Do NOT use for Islamic Hijri calendar or non-Israeli holiday calendars.
Trust score 95/100 (Verified) · 69+ installs · 3 GitHub contributors · MIT license
Converting between Hebrew and Gregorian dates is a daily necessity in Israel, whether for holidays, yahrzeits, bar/bat mitzvahs, or event planning. The Hebrew calendar is based on complex lunar cycles with leap years, and there is no simple formula for conversion. Existing online tools rarely offer an API and require manual lookups each time.
skills-ilnpx skills-il add skills-il/developer-tools@v2.0.0-idf-date-converter --skill idf-date-converter -a claude-codeInstall on Claude.ai, Claude Desktop, ChatGPT, Manus, or other platforms
- 1. Click "Download ZIP" to download the skill files.
- 2. Open Claude Desktop and go to Customize > Skills.
- 3. Click "+" and select "Upload a skill", then upload the ZIP file.
- 4. Start a new conversation. The skill will activate automatically when relevant.
When to Apply
- When converting between a Hebrew date and a Gregorian date in either direction
- When preparing an Israeli document that requires dual-date formatting
- When you need to know when an Israeli holiday falls on the Gregorian calendar this year
- When counting Israeli business days between two dates, excluding Shabbatot and holidays
- When building scheduling or calendar systems that respect the Israeli holiday calendar
Try These Prompts
Today is March 20, 2026. What is the corresponding Hebrew date? And what is this week's Torah portion?
I am planning a work schedule for next quarter. Which Israeli holidays and special days fall between April and June 2026, and which of them are working days?
I was born on the 5th of Iyar 5742. What is my age today in years and months, both according to the Gregorian and Hebrew calendars?
Frequently Asked Questions
Changelog
MAJOR rewrite of the 2026 holiday Gregorian table after 10+ entries shipped off by one day; fixed the headline dual-date example (5786 is not a leap year, so 24 Feb 2026 = 7 Adar, not 26 Adar I); updated Pesach, Purim, and Yom HaAtzmaut displacement examples; added evidence.json.
May 20, 2026
display_name fix, Chanukah row correction, added Tu B'Shvat / Lag B'Omer / fast days, Yom HaZikaron and HaAtzmaut displacement rules.
Apr 25, 2026
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