al-Balkhi Abu Ma'shar Ja'far ibn Muhammad

البلخي أبو معشر جعفر بن محمد

886 CE · 272 AH

Astrologer and astronomer Abu Ma'shar Ja'far ibn Muhammad al-Balkhi, leading figure of his time in his field, of Balkh in Khurasan; died 272 AH (886 CE).

Depth

At a glance

Roles
Astronomer
Counted among
Sunni
Era
Abbasid Fragmentation
Region
Persia & Central Asia
Review
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Life in time

775800825850875900925950975 c. c. c.
The Early Abbasid Caliphate · Abbasid Fragmentation · The Buyid, Fatimid and Seljuk Era Contemporaries: Abu al-Arab al-Tamimi, Muhammad ibn Ahmad · Abu Awana, Ya'qub ibn Ishaq · أبو بكر النيسابوري عبد الله بن محمد بن زياد · Abu Dawud al-Sijistani · أبو جعفر الترمذي

Astronomy and timekeeping

Place in the story

  • ScholarTradition

Roles are dated and sourced; the museum describes the act and attributes the judgement.

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موجز

أبو معشر جعفر بن محمد بن عمر البلخي منجم وفلكي، نسبته إلى بلخ في خراسان. تصفه الموسوعة بأنه إمام وقته في فنه، وتذكر وفاته سنة 272هـ (886م). 1

People and things also explored

Qibla-finding by stars, winds, mountains and rivers· The seven climates· The earth's sphericity· The moon's night-litany· The planets' reign and the world's cycles· Abu al-Wafa' al-Buzjani, Muhammad ibn Muhammad· Al-Abhari, Athir al-Din al-Mufaddal ibn Umar· Al-Badi' al-Astarlabi

Sources

  1. Mawsu'at A'lam al-Ulama' wa-l-Adaba' al-Arab wa-l-Muslimin — Dar al-Jil / ALECSO, p.34-35
Cite this page

islam.museum contributors. “al-Balkhi Abu Ma'shar Ja'far ibn Muhammad”. islam.museum, https://islam.museum/en/person/al-balkhi-abu-mashar-jafar-ibn-muhammad/. CC BY-SA 4.0. Accessed 2026-10-17.

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Wing

People

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

Qibla-finding by stars, winds, mountains and rivers

Al-Umari devotes the fourth gate of Masalik al-Absar to the qibla and its proofs: determination by stars, then winds, then mountains, then rivers — the field methods by which the lands' people fixed the Kaaba's bearing before precision astronomy.