{
 "id": "event/nizam-mulk-calendar-reform",
 "class": "event",
 "slug": "nizam-mulk-calendar-reform",
 "label": {
  "ar": "إصلاح نظام الملك التقويم"
 },
 "summary": {
  "ar": "في أيام المقتدي جمع نظام الملك المنجمين فجعلوا النيروز أول نقطة من الحمل وكان قبل ذلك عند حلول الشمس نصف الحوت وصار ما فعله النظام مبدأ التقاويم {cite:tarikh-khulafa-minhaj-1434 p. 650}.",
  "en": "Under al-Muqtadi, Nizam al-Mulk gathered the astronomers and made Nawruz the first point of Aries — it had been at the sun's entry into mid-Pisces — and what Nizam did became the origin of the calendars {cite:tarikh-khulafa-minhaj-1434 p. 650}."
 },
 "stub": false,
 "wings": [
  "time"
 ],
 "regions": [
  "persia-central-asia"
 ],
 "periods": [
  "period/abbasid-fragmentation"
 ],
 "tags": [],
 "aliases": [],
 "themes": [],
 "span": {
  "earliest": 1079.0001848087231,
  "latest": 1079.9995208662422
 },
 "display": {
  "start": {
   "edtf": "1079~",
   "hijri": "0471~",
   "calendar": "julian",
   "precision": "year",
   "status": "tradition",
   "derived": true,
   "note": "في خلافة المقتدي؛ التحويل مشتق {cite:tarikh-khulafa-minhaj-1434 p. 650}."
  },
  "end": {
   "edtf": "1079~",
   "hijri": "0471~",
   "calendar": "julian",
   "precision": "year",
   "status": "tradition",
   "derived": true,
   "note": "في خلافة المقتدي؛ التحويل مشتق {cite:tarikh-khulafa-minhaj-1434 p. 650}."
  }
 },
 "data": {
  "kind": "other",
  "date": {
   "start": {
    "edtf": "1079~",
    "hijri": "0471~",
    "calendar": "julian",
    "precision": "year",
    "status": "tradition",
    "derived": true,
    "note": "في خلافة المقتدي؛ التحويل مشتق {cite:tarikh-khulafa-minhaj-1434 p. 650}."
   }
  },
  "provenance": {
   "layer": "own-research",
   "source": "تاريخ الخلفاء للسيوطي (ط المنهاج 1434هـ/2013م) ص 646–657",
   "generated_by": "Devin (SWE-2 High) from Apple Vision OCR",
   "run": "lib-tarikh-khulafa-batch-39"
  },
  "sources": [
   "source/tarikh-khulafa-minhaj-1434"
  ],
  "status": {
   "review": "draft",
   "completeness": 2,
   "generated_by": "Devin (SWE-2 High)"
  }
 },
 "prose": {
  "ar": {
   "sections": [
    {
     "heading": "موجز",
     "markdown": "في أيام الخليفة المقتدي جمع [[person/nizam-al-mulk|نظام الملك]] المنجّمين، فجعلوا النيروز عند أول نقطة من الحمل. {cite:tarikh-khulafa-minhaj-1434 p.650}"
    },
    {
     "heading": "التغيير",
     "markdown": "كان النيروز قبل ذلك عند حلول الشمس في نصف الحوت. وذكر المصدر أن ما فعله نظام الملك صار مبدأ التقاويم. {cite:tarikh-khulafa-minhaj-1434 p.650}\n\nالسنة غير محددة في المصدر، وهي تقريبية حول 471هـ ضمن خلافة المقتدي. وهذا يحتاج إلى مصدر إضافي."
    }
   ],
   "frontmatter": {
    "id": "event/nizam-mulk-calendar-reform",
    "lang": "ar",
    "source_lang": "ar",
    "translators": []
   }
  },
  "en": {
   "sections": [
    {
     "heading": "Summary",
     "markdown": "In the days of the caliph al-Muqtadi, [[person/nizam-al-mulk|Nizam al-Mulk]] gathered the astrologers, who fixed Nawruz at the first point of Aries. {cite:tarikh-khulafa-minhaj-1434 p.650}"
    },
    {
     "heading": "The change",
     "markdown": "Before this, Nawruz fell when the sun entered the middle of Pisces. The source says that what Nizam al-Mulk did became the basis of the calendars. {cite:tarikh-khulafa-minhaj-1434 p.650}\n\nThe source does not specify the year; it is approximately 471 AH, during the caliphate of al-Muqtadi. This needs an additional source."
    }
   ],
   "frontmatter": {
    "id": "event/nizam-mulk-calendar-reform",
    "lang": "en",
    "source_lang": "ar",
    "translators": [
     "Claude Haiku 5.5 (claude-haiku-5-5), draft translation"
    ]
   }
  }
 },
 "degree": 2,
 "contemporaries": [],
 "connections": [
  {
   "to": "person/nizam-al-mulk",
   "type": "had_participant",
   "inverse": true,
   "role": "الآمر",
   "sources": [
    "source/tarikh-khulafa-minhaj-1434"
   ]
  }
 ],
 "related": [
  "building/al-madrasa-al-nizamiyya-baghdad",
  "concept/al-sakk-wal-hawala",
  "event/nizamiyya-founding-459",
  "work/amali-nizam-al-mulk",
  "person/nizam-al-mulk"
 ],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}