{"id":"vidhyamitra:city-day:ayodhya:1986-01-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1986-01-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-01-20","date_display":"January 20, 1986 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":1986,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446450.770833,"kali_year":5087,"ahargana":1857985.2708,"sun":{"sidereal_longitude":275.9862,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":27.5479,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":111.5617,"elapsed_within_tithi_degrees":3.5617},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":27.5479,"elapsed_within_degrees":0.8812},"yoga":{"number":23,"name":"Śubha","sum_longitude":303.5341},"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":1986,"month":1,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446450.770833,"ahargana":1857985.2708,"kali_year":5087,"ayanamsa_lahiri":23.6582,"grahas":{"sun":{"sidereal_longitude":276.02464699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":28.820347000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":0.9768},"mars":{"sidereal_longitude":208.60164699999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":268.49384699999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":299.678547,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":276.33354699999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":222.95714700000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":14.9991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.9991,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"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":1986,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446450.770833,"kali_year":5087,"ahargana":1857985.2708,"sun":{"sidereal_longitude":275.9862,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":27.5479,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":111.5617,"elapsed_within_tithi_degrees":3.5617},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":27.5479,"elapsed_within_degrees":0.8812},"yoga":{"number":23,"name":"Śubha","sum_longitude":303.5341},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.977,"elongation":111.562},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.977,"opposition_distance":68.438}},"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":"06:51","sunsetLocal":"17:33","solarNoonLocal":"12:12","dayLengthHours":10.705512287837447,"dayLengthDisplay":"10 Hours 42 Mins 20 Secs","nightLengthDisplay":"13 Hours 17 Mins 40 Secs","moonriseLocal":"13:02","moonsetLocal":"02:25","rahuKala":{"name":"Rāhu Kāla","start":"08:11","end":"09:32","startHours":8.187904614348112,"endHours":9.526093650327793,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:12","startHours":10.864282686307472,"endHours":12.202471722287154,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:32","end":"14:53","startHours":13.540660758266835,"endHours":14.878849794246516,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.347668445530502,"endHours":9.704518855125084,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.2957785903616585,"endHours":7.5812589180373235,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:34","startHours":11.845621312692574,"endHours":12.559322131881737,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:08","startHours":5.422313939990104,"endHours":6.136014759179268,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:51","startHours":5.957589554381977,"endHours":6.849715578368431,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:42","startHours":13.986723770260063,"endHours":14.700424589449227,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.35522786620588,"endHours":17.75522786620588,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"18:00","startHours":17.55522786620588,"endHours":18.001290878199107,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.30522786620588,"endHours":19.05522786620588,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:34","startHours":23.845621312692575,"endHours":24.55932213188174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:51","end":"08:11","startHours":6.849715578368431,"endHours":8.187904614348112,"quality":"auspicious"},{"name":"Kāla","start":"08:11","end":"09:32","startHours":8.187904614348112,"endHours":9.526093650327793,"quality":"inauspicious"},{"name":"Śubha","start":"09:32","end":"10:52","startHours":9.526093650327793,"endHours":10.864282686307472,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:12","startHours":10.864282686307472,"endHours":12.202471722287154,"quality":"inauspicious"},{"name":"Udveg","start":"12:12","end":"13:32","startHours":12.202471722287154,"endHours":13.540660758266835,"quality":"inauspicious"},{"name":"Chala","start":"13:32","end":"14:53","startHours":13.540660758266835,"endHours":14.878849794246516,"quality":"neutral"},{"name":"Labha","start":"14:53","end":"16:13","startHours":14.878849794246516,"endHours":16.217038830226198,"quality":"auspicious"},{"name":"Amṛta","start":"16:13","end":"17:33","startHours":16.217038830226198,"endHours":17.55522786620588,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:33","end":"19:13","startHours":17.55522786620588,"endHours":19.217038830226198,"quality":"neutral"},{"name":"Labha","start":"19:13","end":"20:53","startHours":19.217038830226198,"endHours":20.878849794246516,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:32","startHours":20.878849794246516,"endHours":22.54066075826684,"quality":"auspicious"},{"name":"Kāla","start":"22:32","end":"00:12","startHours":22.54066075826684,"endHours":24.202471722287157,"quality":"inauspicious"},{"name":"Śubha","start":"00:12","end":"01:52","startHours":24.202471722287157,"endHours":25.864282686307476,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:32","startHours":25.864282686307476,"endHours":27.526093650327795,"quality":"inauspicious"},{"name":"Udveg","start":"03:32","end":"05:11","startHours":27.526093650327795,"endHours":29.187904614348113,"quality":"inauspicious"},{"name":"Chala","start":"05:11","end":"06:51","startHours":29.187904614348113,"endHours":30.849715578368432,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.849715578368431,"endHours":7.849715578368431,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.849715578368431,"endHours":8.849715578368432,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.849715578368432,"endHours":9.849715578368432,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.849715578368432,"endHours":10.849715578368432,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.849715578368432,"endHours":11.849715578368432,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.849715578368432,"endHours":12.849715578368432,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.849715578368432,"endHours":13.849715578368432,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.849715578368432,"endHours":14.849715578368432,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.849715578368432,"endHours":15.849715578368432,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.849715578368432,"endHours":16.849715578368432,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.849715578368432,"endHours":17.849715578368432,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.849715578368432,"endHours":18.849715578368432,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.849715578368432,"endHours":19.849715578368432,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.849715578368432,"endHours":20.849715578368432,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.849715578368432,"endHours":21.849715578368432,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.849715578368432,"endHours":22.849715578368432,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.849715578368432,"endHours":23.849715578368432,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.849715578368432,"endHours":24.849715578368432,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.849715578368432,"endHours":25.849715578368432,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.849715578368432,"endHours":26.849715578368432,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.849715578368432,"endHours":27.849715578368432,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.849715578368432,"endHours":28.849715578368432,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.849715578368432,"endHours":29.849715578368432,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.849715578368432,"endHours":30.849715578368432,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.214880673096427,"eotMinutes":-10.9643033372293,"ayanamsa":23.6582}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Daśamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 January 20, 1986 CE · Ayodhyā · Vidhyamitra","description":"January 20, 1986 CE for Ayodhyā: Śukla Daśamī, sūryodaya 06:51, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1986-01-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1986-01-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1986-01-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1986-01-20","x-default":"https://vidhyamitra.com/city/ayodhya/1986-01-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T12:03:05.363Z","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":"2026-05-18T12:03:05.363Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T12:03:05.363Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}