{"id":"vidhyamitra:city-day:mathura:1985-09-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1985-09-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-09-23","date_display":"September 23, 1985 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1985,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446331.770833,"kali_year":5087,"ahargana":1857866.2708,"sun":{"sidereal_longitude":155.6051,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":263.6676,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.0625,"elapsed_within_tithi_degrees":0.0625},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.6676,"elapsed_within_degrees":10.3343},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.2727},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1985,"month":9,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446331.770833,"ahargana":1857866.2708,"kali_year":5087,"ayanamsa_lahiri":23.6536,"grahas":{"sun":{"sidereal_longitude":156.31149400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":266.24389399999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-3.9857},"mars":{"sidereal_longitude":134.76299400000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":156.64599399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":284.490094,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"venus":{"sidereal_longitude":127.71129400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":210.13079400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":21.3043,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":201.3043,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1985,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446331.770833,"kali_year":5087,"ahargana":1857866.2708,"sun":{"sidereal_longitude":155.6051,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":263.6676,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.0625,"elapsed_within_tithi_degrees":0.0625},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.6676,"elapsed_within_degrees":10.3343},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.2727},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.986,"elongation":108.062},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.986,"opposition_distance":71.938}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:07","sunsetLocal":"18:15","solarNoonLocal":"12:11","dayLengthHours":12.126170548696942,"dayLengthDisplay":"12 Hours 07 Mins 34 Secs","nightLengthDisplay":"11 Hours 52 Mins 26 Secs","moonriseLocal":"14:16","moonsetLocal":"00:45","rahuKala":{"name":"Rāhu Kāla","start":"07:38","end":"09:09","startHours":7.633838810909228,"endHours":9.149610129496345,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"12:11","startHours":10.665381448083464,"endHours":12.181152766670582,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:13","startHours":13.696924085257699,"endHours":15.212695403844817,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.947507287018063,"endHours":9.351712971974628,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.623324598517816,"endHours":6.946689146483068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:35","startHours":11.776947081714015,"endHours":12.585358451627146,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.501244752495851,"endHours":5.309656122408981,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:07","startHours":5.107553279930698,"endHours":6.11806749232211,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:01","startHours":14.202181191453404,"endHours":15.010592561366533,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.044238041019053,"endHours":18.44423804101905,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:45","startHours":18.244238041019052,"endHours":18.74949514721476,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.994238041019052,"endHours":19.744238041019052,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:35","startHours":23.776947081714013,"endHours":24.585358451627144,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:07","end":"07:38","startHours":6.11806749232211,"endHours":7.633838810909228,"quality":"auspicious"},{"name":"Kāla","start":"07:38","end":"09:09","startHours":7.633838810909228,"endHours":9.149610129496345,"quality":"inauspicious"},{"name":"Śubha","start":"09:09","end":"10:40","startHours":9.149610129496345,"endHours":10.665381448083464,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"12:11","startHours":10.665381448083464,"endHours":12.181152766670582,"quality":"inauspicious"},{"name":"Udveg","start":"12:11","end":"13:42","startHours":12.181152766670582,"endHours":13.696924085257699,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:13","startHours":13.696924085257699,"endHours":15.212695403844817,"quality":"neutral"},{"name":"Labha","start":"15:13","end":"16:44","startHours":15.212695403844817,"endHours":16.728466722431932,"quality":"auspicious"},{"name":"Amṛta","start":"16:44","end":"18:15","startHours":16.728466722431932,"endHours":18.244238041019052,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:15","end":"19:44","startHours":18.244238041019052,"endHours":19.728466722431936,"quality":"neutral"},{"name":"Labha","start":"19:44","end":"21:13","startHours":19.728466722431936,"endHours":21.212695403844815,"quality":"auspicious"},{"name":"Amṛta","start":"21:13","end":"22:42","startHours":21.212695403844815,"endHours":22.6969240852577,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:11","startHours":22.6969240852577,"endHours":24.181152766670582,"quality":"inauspicious"},{"name":"Śubha","start":"00:11","end":"01:40","startHours":24.181152766670582,"endHours":25.665381448083465,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:09","startHours":25.665381448083465,"endHours":27.149610129496345,"quality":"inauspicious"},{"name":"Udveg","start":"03:09","end":"04:38","startHours":27.149610129496345,"endHours":28.63383881090923,"quality":"inauspicious"},{"name":"Chala","start":"04:38","end":"06:07","startHours":28.63383881090923,"endHours":30.118067492322112,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.11806749232211,"endHours":7.11806749232211,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.11806749232211,"endHours":8.11806749232211,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.11806749232211,"endHours":9.11806749232211,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.11806749232211,"endHours":10.11806749232211,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.11806749232211,"endHours":11.11806749232211,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.11806749232211,"endHours":12.11806749232211,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.11806749232211,"endHours":13.11806749232211,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.11806749232211,"endHours":14.11806749232211,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.11806749232211,"endHours":15.11806749232211,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.11806749232211,"endHours":16.118067492322112,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.118067492322112,"endHours":17.118067492322112,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.118067492322112,"endHours":18.118067492322112,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.118067492322112,"endHours":19.118067492322112,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.118067492322112,"endHours":20.118067492322112,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.118067492322112,"endHours":21.118067492322112,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.118067492322112,"endHours":22.118067492322112,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.118067492322112,"endHours":23.118067492322112,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.118067492322112,"endHours":24.118067492322112,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.118067492322112,"endHours":25.118067492322112,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.118067492322112,"endHours":26.118067492322112,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.118067492322112,"endHours":27.118067492322112,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.118067492322112,"endHours":28.118067492322112,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.118067492322112,"endHours":29.118067492322112,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.118067492322112,"endHours":30.118067492322112,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":0.013883248566516935,"eotMinutes":8.436033999765183,"ayanamsa":23.6536}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Daśamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"vijaya-dashami","name":"Vijaya Daśamī (Dasarā / Daśaharā)","name_sanskrit":"विजय दशमी","tradition":"Pan-Hindu","associated_deity":"Rāma (Rāvaṇa-vadha) + Durgā (Mahiṣāsura-vadha)","significance":"Rāma's victory over Rāvaṇa; Durgā's victory; ārambha-divasa for śilpa-kalā.","vrata":true,"primary_observance":"Rāvaṇa-dahana; Aparājitā-pūjā; Śastra-pūjā","detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1,"related_chart":"rama","sources":["Vālmīki Rāmāyaṇa, Yuddha-Kāṇḍa","Devī Mahātmya"]},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 23, 1985 CE · Mathurā · Vidhyamitra","description":"September 23, 1985 CE for Mathurā: Śukla Daśamī, sūryodaya 06:07, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1985-09-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1985-09-23","sa":"https://sa.vidhyamitra.com/city/mathura/1985-09-23","hi":"https://hi.vidhyamitra.com/city/mathura/1985-09-23","x-default":"https://vidhyamitra.com/city/mathura/1985-09-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:38:46.673Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-14T14:38:46.673Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:38:46.673Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}