{"id":"vidhyamitra:city-day:ayodhya:2180-09-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2180-09-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-09-16","date_display":"September 16, 2180 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2180,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517547.770833,"kali_year":5282,"ahargana":1929082.2708,"sun":{"sidereal_longitude":146.3888,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":101.1284,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.7397,"elapsed_within_tithi_degrees":2.7397},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.1284,"elapsed_within_degrees":7.7951},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.5172},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2180,"month":9,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517547.770833,"ahargana":1929082.2708,"kali_year":5282,"ayanamsa_lahiri":26.3774,"grahas":{"sun":{"sidereal_longitude":147.552619,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":101.61401899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-4.3074},"mars":{"sidereal_longitude":49.198218999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":155.82691899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":104.41411900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":111.07811900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":80.53591900000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":207.9379,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":27.9379,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2180,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517547.770833,"kali_year":5282,"ahargana":1929082.2708,"sun":{"sidereal_longitude":146.3888,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":101.1284,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.7397,"elapsed_within_tithi_degrees":2.7397},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.1284,"elapsed_within_degrees":7.7951},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.5172},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.307,"elongation":45.26},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.307,"opposition_distance":134.74}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:47","sunsetLocal":"18:04","solarNoonLocal":"11:55","dayLengthHours":12.287039359368988,"dayLengthDisplay":"12 Hours 17 Mins 13 Secs","nightLengthDisplay":"11 Hours 42 Mins 47 Secs","moonriseLocal":"02:10","moonsetLocal":"15:33","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:23","startHours":8.850168309645609,"endHours":10.386048229566732,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"15:00","startHours":13.45780806940898,"endHours":14.993687989330102,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:47","end":"07:19","startHours":5.778408469803361,"endHours":7.314288389724485,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.645384320322792,"endHours":9.054952298968425,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.2903684431104026,"endHours":6.618022826026909,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:20","startHours":11.512360170842221,"endHours":12.331496128133487,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:58","startHours":4.140136555220829,"endHours":4.959272512512095,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:47","startHours":4.754488523189279,"endHours":5.778408469803361,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:47","startHours":13.96976804271602,"endHours":14.788904000007285,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.86544782917235,"endHours":18.26544782917235,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:35","startHours":18.06544782917235,"endHours":18.57740780247939,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.81544782917235,"endHours":19.56544782917235,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:20","startHours":23.51236017084222,"endHours":24.331496128133487,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:47","end":"07:19","startHours":5.778408469803361,"endHours":7.314288389724485,"quality":"inauspicious"},{"name":"Śubha","start":"07:19","end":"08:51","startHours":7.314288389724485,"endHours":8.850168309645609,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:23","startHours":8.850168309645609,"endHours":10.386048229566732,"quality":"inauspicious"},{"name":"Udveg","start":"10:23","end":"11:55","startHours":10.386048229566732,"endHours":11.921928149487854,"quality":"inauspicious"},{"name":"Chala","start":"11:55","end":"13:27","startHours":11.921928149487854,"endHours":13.45780806940898,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"15:00","startHours":13.45780806940898,"endHours":14.993687989330102,"quality":"auspicious"},{"name":"Amṛta","start":"15:00","end":"16:32","startHours":14.993687989330102,"endHours":16.529567909251227,"quality":"auspicious"},{"name":"Kāla","start":"16:32","end":"18:04","startHours":16.529567909251227,"endHours":18.06544782917235,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:04","end":"19:32","startHours":18.06544782917235,"endHours":19.529567909251227,"quality":"auspicious"},{"name":"Amṛta","start":"19:32","end":"21:00","startHours":19.529567909251227,"endHours":20.993687989330102,"quality":"auspicious"},{"name":"Kāla","start":"21:00","end":"22:27","startHours":20.993687989330102,"endHours":22.45780806940898,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"23:55","startHours":22.45780806940898,"endHours":23.921928149487854,"quality":"auspicious"},{"name":"Roga","start":"23:55","end":"01:23","startHours":23.921928149487854,"endHours":25.386048229566732,"quality":"inauspicious"},{"name":"Udveg","start":"01:23","end":"02:51","startHours":25.386048229566732,"endHours":26.85016830964561,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:19","startHours":26.85016830964561,"endHours":28.314288389724485,"quality":"neutral"},{"name":"Labha","start":"04:19","end":"05:47","startHours":28.314288389724485,"endHours":29.77840846980336,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.778408469803361,"endHours":6.778408469803361,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.778408469803361,"endHours":7.778408469803361,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.778408469803361,"endHours":8.778408469803361,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.778408469803361,"endHours":9.778408469803361,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.778408469803361,"endHours":10.778408469803361,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.778408469803361,"endHours":11.778408469803361,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.778408469803361,"endHours":12.778408469803361,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.778408469803361,"endHours":13.778408469803361,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.778408469803361,"endHours":14.778408469803361,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.778408469803361,"endHours":15.778408469803361,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.778408469803361,"endHours":16.77840846980336,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.77840846980336,"endHours":17.77840846980336,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.77840846980336,"endHours":18.77840846980336,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.77840846980336,"endHours":19.77840846980336,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.77840846980336,"endHours":20.77840846980336,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.77840846980336,"endHours":21.77840846980336,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.77840846980336,"endHours":22.77840846980336,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.77840846980336,"endHours":23.77840846980336,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.77840846980336,"endHours":24.77840846980336,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.77840846980336,"endHours":25.77840846980336,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.77840846980336,"endHours":26.77840846980336,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.77840846980336,"endHours":27.77840846980336,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.77840846980336,"endHours":28.77840846980336,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.77840846980336,"endHours":29.77840846980336,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.41042595118003,"eotMinutes":5.868311030728706,"ayanamsa":26.3774}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Dvādaśī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 16, 2180 CE · Ayodhyā · Vidhyamitra","description":"September 16, 2180 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 05:47, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2180-09-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2180-09-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/2180-09-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/2180-09-16","x-default":"https://vidhyamitra.com/city/ayodhya/2180-09-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T03:27:41.870Z","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":"2026-09-05T03:27:41.870Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T03:27:41.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}