{"id":"vidhyamitra:city-day:badrinath:1981-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/1981-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-12","date_display":"October 12, 1981 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":1981,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444889.770833,"kali_year":5083,"ahargana":1856424.2708,"sun":{"sidereal_longitude":174.3388,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":333.8344,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":159.4956,"elapsed_within_tithi_degrees":3.4956},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":333.8344,"elapsed_within_degrees":0.5011},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.1732},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1981,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444889.770833,"ahargana":1856424.2708,"kali_year":5083,"ayanamsa_lahiri":23.5985,"grahas":{"sun":{"sidereal_longitude":175.033589,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":334.638189,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.735},"mars":{"sidereal_longitude":121.314889,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":188.73588900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":177.045389,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":220.12308899999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":169.64748899999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":97.7084,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.7084,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"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":1981,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444889.770833,"kali_year":5083,"ahargana":1856424.2708,"sun":{"sidereal_longitude":174.3388,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":333.8344,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":159.4956,"elapsed_within_tithi_degrees":3.4956},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":333.8344,"elapsed_within_degrees":0.5011},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.1732},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.735,"elongation":159.496},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.735,"opposition_distance":20.504}},"eclipse_window_40days":[]},"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"tier2":{"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"sunriseLocal":"06:11","sunsetLocal":"17:44","solarNoonLocal":"11:58","dayLengthHours":11.547911404334068,"dayLengthDisplay":"11 Hours 32 Mins 52 Secs","nightLengthDisplay":"12 Hours 27 Mins 08 Secs","moonriseLocal":"16:35","moonsetLocal":"04:37","rahuKala":{"name":"Rāhu Kāla","start":"07:38","end":"09:05","startHours":7.632955441888391,"endHours":9.076444367430149,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:31","end":"11:58","startHours":10.519933292971908,"endHours":11.963422218513667,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:24","end":"14:51","startHours":13.406911144055425,"endHours":14.850400069597184,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:16","startHours":8.883979177357915,"endHours":9.268909557502383,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"06:59","startHours":6.670629491527219,"endHours":6.978573795642794,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:21","startHours":11.578491838369198,"endHours":12.348352598658137,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:39","end":"05:25","startHours":4.649744995768756,"endHours":5.4196057560576945,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:11","startHours":5.22714056598546,"endHours":6.1894665163466325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:39","startHours":13.88807411923601,"endHours":14.657934879524948,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.5373779206807,"endHours":17.9373779206807,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:13","startHours":17.7373779206807,"endHours":18.218540895861285,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.4873779206807,"endHours":19.2373779206807,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:21","startHours":23.5784918383692,"endHours":24.348352598658135,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:11","end":"07:38","startHours":6.1894665163466325,"endHours":7.632955441888391,"quality":"auspicious"},{"name":"Kāla","start":"07:38","end":"09:05","startHours":7.632955441888391,"endHours":9.076444367430149,"quality":"inauspicious"},{"name":"Śubha","start":"09:05","end":"10:31","startHours":9.076444367430149,"endHours":10.519933292971908,"quality":"auspicious"},{"name":"Roga","start":"10:31","end":"11:58","startHours":10.519933292971908,"endHours":11.963422218513667,"quality":"inauspicious"},{"name":"Udveg","start":"11:58","end":"13:24","startHours":11.963422218513667,"endHours":13.406911144055425,"quality":"inauspicious"},{"name":"Chala","start":"13:24","end":"14:51","startHours":13.406911144055425,"endHours":14.850400069597184,"quality":"neutral"},{"name":"Labha","start":"14:51","end":"16:18","startHours":14.850400069597184,"endHours":16.293888995138943,"quality":"auspicious"},{"name":"Amṛta","start":"16:18","end":"17:44","startHours":16.293888995138943,"endHours":17.7373779206807,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:44","end":"19:18","startHours":17.7373779206807,"endHours":19.293888995138943,"quality":"neutral"},{"name":"Labha","start":"19:18","end":"20:51","startHours":19.293888995138943,"endHours":20.850400069597182,"quality":"auspicious"},{"name":"Amṛta","start":"20:51","end":"22:24","startHours":20.850400069597182,"endHours":22.406911144055425,"quality":"auspicious"},{"name":"Kāla","start":"22:24","end":"23:58","startHours":22.406911144055425,"endHours":23.963422218513667,"quality":"inauspicious"},{"name":"Śubha","start":"23:58","end":"01:31","startHours":23.963422218513667,"endHours":25.519933292971906,"quality":"auspicious"},{"name":"Roga","start":"01:31","end":"03:05","startHours":25.519933292971906,"endHours":27.07644436743015,"quality":"inauspicious"},{"name":"Udveg","start":"03:05","end":"04:38","startHours":27.07644436743015,"endHours":28.63295544188839,"quality":"inauspicious"},{"name":"Chala","start":"04:38","end":"06:11","startHours":28.63295544188839,"endHours":30.189466516346634,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.1894665163466325,"endHours":7.1894665163466325,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.1894665163466325,"endHours":8.189466516346632,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.189466516346632,"endHours":9.189466516346632,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.189466516346632,"endHours":10.189466516346632,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.189466516346632,"endHours":11.189466516346632,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.189466516346632,"endHours":12.189466516346632,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.189466516346632,"endHours":13.189466516346632,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.189466516346632,"endHours":14.189466516346632,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.189466516346632,"endHours":15.189466516346632,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.189466516346632,"endHours":16.189466516346634,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.189466516346634,"endHours":17.189466516346634,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.189466516346634,"endHours":18.189466516346634,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.189466516346634,"endHours":19.189466516346634,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.189466516346634,"endHours":20.189466516346634,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.189466516346634,"endHours":21.189466516346634,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.189466516346634,"endHours":22.189466516346634,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.189466516346634,"endHours":23.189466516346634,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.189466516346634,"endHours":24.189466516346634,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.189466516346634,"endHours":25.189466516346634,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.189466516346634,"endHours":26.189466516346634,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.189466516346634,"endHours":27.189466516346634,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.189466516346634,"endHours":28.189466516346634,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.189466516346634,"endHours":29.189466516346634,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.189466516346634,"endHours":30.189466516346634,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.30040211532689,"eotMinutes":14.219466889179907,"ayanamsa":23.5985}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturdaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":"badrinath"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 12, 1981 CE · Badarīnāth · Vidhyamitra","description":"October 12, 1981 CE for Badarīnāth: Śukla Caturdaśī, sūryodaya 06:11, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/1981-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/1981-10-12","sa":"https://sa.vidhyamitra.com/city/badrinath/1981-10-12","hi":"https://hi.vidhyamitra.com/city/badrinath/1981-10-12","x-default":"https://vidhyamitra.com/city/badrinath/1981-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:59:35.154Z","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":"2026-05-31T14:59:35.154Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:59:35.154Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}