{"id":"vidhyamitra:city-day:ayodhya:1980-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1980-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-09-12","date_display":"September 12, 1980 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":1980,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444494.770833,"kali_year":5082,"ahargana":1856029.2708,"sun":{"sidereal_longitude":145.1762,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":177.1361,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.9599,"elapsed_within_tithi_degrees":7.9599},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.1361,"elapsed_within_degrees":3.8028},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.3123},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1980,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444494.770833,"ahargana":1856029.2708,"kali_year":5082,"ayanamsa_lahiri":23.5834,"grahas":{"sun":{"sidereal_longitude":145.850481,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":174.50278100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":3.8357},"mars":{"sidereal_longitude":195.83158100000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":159.86418099999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":146.85578099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":101.18798100000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":154.98678100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":118.6374,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":298.6374,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"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":1980,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444494.770833,"kali_year":5082,"ahargana":1856029.2708,"sun":{"sidereal_longitude":145.1762,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":177.1361,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.9599,"elapsed_within_tithi_degrees":7.9599},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.1361,"elapsed_within_degrees":3.8028},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.3123},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.836,"elongation":31.96},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.836,"opposition_distance":148.04}},"eclipse_window_40days":[{"offset_days":-17,"type":"lunar","occurs":true,"moon_latitude":-0.515,"opposition_distance":2.645}]},"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":"05:45","sunsetLocal":"18:09","solarNoonLocal":"11:57","dayLengthHours":12.407133591207035,"dayLengthDisplay":"12 Hours 24 Mins 26 Secs","nightLengthDisplay":"11 Hours 35 Mins 34 Secs","moonriseLocal":"08:03","moonsetLocal":"19:40","rahuKala":{"name":"Rāhu Kāla","start":"10:24","end":"11:57","startHours":10.395783041966032,"endHours":11.94667474086691,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:03","end":"16:36","startHours":15.048458138668671,"endHours":16.599349837569548,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:18","end":"08:51","startHours":7.293999644164273,"endHours":8.844891343065154,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.638105783211703,"endHours":9.051676902918604,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:35","startHours":6.260071844897021,"endHours":6.590928740662542,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:22","startHours":11.53310362116001,"endHours":12.360245860573812,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:55","startHours":4.088823466435789,"endHours":4.915965705849592,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:45","startHours":4.709180145996141,"endHours":5.743107945263394,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:51","startHours":14.014530339401418,"endHours":14.84167257881522,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95024153647043,"endHours":18.350241536470428,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:40","startHours":18.15024153647043,"endHours":18.667205436104055,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.90024153647043,"endHours":19.65024153647043,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:22","startHours":23.53310362116001,"endHours":24.360245860573812,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:45","end":"07:18","startHours":5.743107945263394,"endHours":7.293999644164273,"quality":"neutral"},{"name":"Labha","start":"07:18","end":"08:51","startHours":7.293999644164273,"endHours":8.844891343065154,"quality":"auspicious"},{"name":"Amṛta","start":"08:51","end":"10:24","startHours":8.844891343065154,"endHours":10.395783041966032,"quality":"auspicious"},{"name":"Kāla","start":"10:24","end":"11:57","startHours":10.395783041966032,"endHours":11.94667474086691,"quality":"inauspicious"},{"name":"Śubha","start":"11:57","end":"13:30","startHours":11.94667474086691,"endHours":13.497566439767791,"quality":"auspicious"},{"name":"Roga","start":"13:30","end":"15:03","startHours":13.497566439767791,"endHours":15.048458138668671,"quality":"inauspicious"},{"name":"Udveg","start":"15:03","end":"16:36","startHours":15.048458138668671,"endHours":16.599349837569548,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"18:09","startHours":16.599349837569548,"endHours":18.15024153647043,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:09","end":"19:36","startHours":18.15024153647043,"endHours":19.599349837569548,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:03","startHours":19.599349837569548,"endHours":21.04845813866867,"quality":"inauspicious"},{"name":"Chala","start":"21:03","end":"22:30","startHours":21.04845813866867,"endHours":22.49756643976779,"quality":"neutral"},{"name":"Labha","start":"22:30","end":"23:57","startHours":22.49756643976779,"endHours":23.94667474086691,"quality":"auspicious"},{"name":"Amṛta","start":"23:57","end":"01:24","startHours":23.94667474086691,"endHours":25.39578304196603,"quality":"auspicious"},{"name":"Kāla","start":"01:24","end":"02:51","startHours":25.39578304196603,"endHours":26.84489134306515,"quality":"inauspicious"},{"name":"Śubha","start":"02:51","end":"04:18","startHours":26.84489134306515,"endHours":28.293999644164273,"quality":"auspicious"},{"name":"Roga","start":"04:18","end":"05:45","startHours":28.293999644164273,"endHours":29.743107945263393,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.743107945263394,"endHours":6.743107945263394,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.743107945263394,"endHours":7.743107945263394,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.743107945263394,"endHours":8.743107945263393,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.743107945263393,"endHours":9.743107945263393,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.743107945263393,"endHours":10.743107945263393,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.743107945263393,"endHours":11.743107945263393,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.743107945263393,"endHours":12.743107945263393,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.743107945263393,"endHours":13.743107945263393,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.743107945263393,"endHours":14.743107945263393,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.743107945263393,"endHours":15.743107945263393,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.743107945263393,"endHours":16.743107945263393,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.743107945263393,"endHours":17.743107945263393,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.743107945263393,"endHours":18.743107945263393,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.743107945263393,"endHours":19.743107945263393,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.743107945263393,"endHours":20.743107945263393,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.743107945263393,"endHours":21.743107945263393,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.743107945263393,"endHours":22.743107945263393,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.743107945263393,"endHours":23.743107945263393,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.743107945263393,"endHours":24.743107945263393,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.743107945263393,"endHours":25.743107945263393,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.743107945263393,"endHours":26.743107945263393,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.743107945263393,"endHours":27.743107945263393,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.743107945263393,"endHours":28.743107945263393,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.743107945263393,"endHours":29.743107945263393,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.1824224243099755,"eotMinutes":4.383515547985428,"ayanamsa":23.5834}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Tṛtīyā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"varaha-jayanti","name":"Varāha Jayantī","name_sanskrit":"वराह जयन्ती","tradition":"Vaishnava","associated_deity":"Varāha (3rd daśāvatāra of Krishna)","deity_avatara_index":12,"significance":"Varāha lifted Bhū-Devī from the cosmic ocean.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4,"sources":["Bhāgavata 3.13"]}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 12, 1980 CE · Ayodhyā · Vidhyamitra","description":"September 12, 1980 CE for Ayodhyā: Śukla Tṛtīyā, sūryodaya 05:45, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1980-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1980-09-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1980-09-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1980-09-12","x-default":"https://vidhyamitra.com/city/ayodhya/1980-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:31:36.707Z","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":"2026-06-01T20:31:36.707Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:31:36.707Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}