Terms of Use
By using hebrewbirth.day you agree to these terms. The site is provided free of charge, as is, for informational and educational purposes.
Last updated: 19 April 2026
Use of the site
hebrewbirth.day provides Hebrew calendar calculations and curated Jewish historical content for personal, non-commercial use. You may not scrape, republish, or resell site content without written permission.
Calendar data is derived from @hebcal/core (MIT licence). Figures and events data is compiled from publicly available sources including Wikipedia (CC-BY-SA) and Wikidata (CC0). Attribution for Wikipedia-derived content is given on the About page.
No warranties
Calendar calculations are provided in good faith using established algorithms but may contain errors. Do not rely on this site for halakhic decisions. Consult a qualified rabbi for any religious determination.
The site is provided "as is" without warranty of any kind, express or implied. We make no guarantee of uptime, accuracy, or completeness of any data.
External links
Links to third-party sites (Wikipedia, Yad Vashem, etc.) are provided for reference only. hebrewbirth.day is not responsible for the content or privacy practices of external sites.
Governing law
These terms are governed by the laws of the United States.
Changes
We may update these terms at any time. Continued use of the site after changes constitutes acceptance. The "Last updated" date above reflects the most recent revision.
Contact
Questions: legal@hebrewbirth.day