Abu Ali al-Khayyat

أبو علي الخياط

Draft card for Abu Ali Yahya ibn Ghalib al-Khayyat, the ninth-century astrologer author of Kitab al-Mawalid, d. 844; the biographical entry is not yet checked on the page.

Depth

At a glance

Roles
Scholar · writer
Era
The Early Abbasid Caliphate
Region
Persia & Central Asia
Identifiers
Wikidata
Review
Draft Completeness 1/5 · Help complete it

Astronomy and timekeeping

The long-form text for this entry has not been written yet. The facts and connections below come from the museum's data.

People and things also explored

Sharaf al-Dawla's observatory at Baghdad· Qibla-finding by stars, winds, mountains and rivers· Sizes of the heavenly bodies· Distances of the heavenly bodies from the Earth· The seven climates· The second motion (the planets' own motion along the zodiac)· The first motion (diurnal rotation of the heavens)· The solstices

Sources

  • al-Alam — al-Zirikli
Cite this page

islam.museum contributors. “Abu Ali al-Khayyat”. islam.museum, https://islam.museum/en/person/abu-ali-al-khayyat/. CC BY-SA 4.0. Last updated 2026-10-19.

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Wing

People

Prophets, companions, scholars, rulers, scientists, poets, travelers: women and men who shaped the story.
Related

Sharaf al-Dawla's observatory at Baghdad

The observatory the Buyid sultan Sharaf al-Dawla commissioned at Baghdad in 378: he ordered the observation of the seven planets in their courses and zodiacal transits on the model of what al-Ma'mun had done, and a well-built observing house went up at the back of the garden in Dar al-Mamlaka, its sightings written into a register drawn up by those who knew geometry.