# Khayyam Day / روز خیام

_Day to keep · Iranian Diaspora Cooperation & Development Council · https://iranians.global/heritage/days/khayyam-day/_

Iran's national calendar honours Omar Khayyam, poet, mathematician and astronomer, on 28 Ordibehesht.

## Record

- **Kind**: cultural
- **Calendar**: solar-hijri
- **Date**: 28 Ordibehesht, Solar Hijri (May) · _to verify_
- **Communities**: persian

## Provenance

Records updated 2026-11-11. Every value keeps its measure, year, source and label (verified, secondary, to verify); unknown is shown as unknown. Verify, add a source or report this record on its page.

## Formats

[This record · JSON](https://iranians.global/heritage/days/khayyam-day/index.json) · [Markdown](https://iranians.global/heritage/days/khayyam-day/index.md) · [RSS · days](https://iranians.global/heritage/days/feed.xml) · [Atom](https://iranians.global/heritage/days/feed.atom) · [JSON Feed](https://iranians.global/heritage/days/feed.json) · [iCalendar](https://iranians.global/heritage/days/calendar.ics) · [CSV](https://iranians.global/heritage/days/index.csv) · [JSON](https://iranians.global/heritage/days/index.json) · [Card](https://iranians.global/heritage/days/khayyam-day/card.png)

## See also

- [Heritage](https://iranians.global/heritage/)