{"id":"vidhyamitra:city-day:ayodhya:1981-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1981-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-09-15","date_display":"September 15, 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":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444862.770833,"kali_year":5083,"ahargana":1856397.2708,"sun":{"sidereal_longitude":147.8394,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":338.4197,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.5803,"elapsed_within_tithi_degrees":10.5803},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.4197,"elapsed_within_degrees":5.0864},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.2591},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444862.770833,"ahargana":1856397.2708,"kali_year":5083,"ayanamsa_lahiri":23.5974,"grahas":{"sun":{"sidereal_longitude":148.52232099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":340.592821,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.8675},"mars":{"sidereal_longitude":104.827721,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":173.620321,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":171.25002100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":189.10952099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":166.36382099999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":99.139,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.139,"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":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444862.770833,"kali_year":5083,"ahargana":1856397.2708,"sun":{"sidereal_longitude":147.8394,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":338.4197,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.5803,"elapsed_within_tithi_degrees":10.5803},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.4197,"elapsed_within_degrees":5.0864},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.2591},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.868,"elongation":169.42},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.868,"opposition_distance":10.58}},"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":"05:46","sunsetLocal":"18:06","solarNoonLocal":"11:56","dayLengthHours":12.3354557224737,"dayLengthDisplay":"12 Hours 20 Mins 08 Secs","nightLengthDisplay":"11 Hours 39 Mins 52 Secs","moonriseLocal":"18:38","moonsetLocal":"06:50","rahuKala":{"name":"Rāhu Kāla","start":"15:01","end":"16:33","startHours":15.011986044228387,"endHours":16.5539180095376,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:51","end":"10:23","startHours":8.844258182991537,"endHours":10.386190148300749,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:56","end":"13:28","startHours":11.928122113609962,"endHours":13.470054078919173,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.638667254283641,"endHours":9.049849111699432,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:36","startHours":6.274371574142849,"endHours":6.603317060075481,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:20","startHours":11.51694025619417,"endHours":12.339303971025751,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:56","startHours":4.115666822709952,"endHours":4.938030537541532,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:46","startHours":4.732439608833636,"endHours":5.7603942523731115,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:48","startHours":13.984031400688913,"endHours":14.806395115520493,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.89584997484681,"endHours":18.29584997484681,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:37","startHours":18.09584997484681,"endHours":18.609827296616547,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.84584997484681,"endHours":19.59584997484681,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:20","startHours":23.516940256194168,"endHours":24.33930397102575,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:46","end":"07:18","startHours":5.7603942523731115,"endHours":7.3023262176823245,"quality":"inauspicious"},{"name":"Udveg","start":"07:18","end":"08:51","startHours":7.3023262176823245,"endHours":8.844258182991537,"quality":"inauspicious"},{"name":"Chala","start":"08:51","end":"10:23","startHours":8.844258182991537,"endHours":10.386190148300749,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"11:56","startHours":10.386190148300749,"endHours":11.928122113609962,"quality":"auspicious"},{"name":"Amṛta","start":"11:56","end":"13:28","startHours":11.928122113609962,"endHours":13.470054078919173,"quality":"auspicious"},{"name":"Kāla","start":"13:28","end":"15:01","startHours":13.470054078919173,"endHours":15.011986044228387,"quality":"inauspicious"},{"name":"Śubha","start":"15:01","end":"16:33","startHours":15.011986044228387,"endHours":16.5539180095376,"quality":"auspicious"},{"name":"Roga","start":"16:33","end":"18:06","startHours":16.5539180095376,"endHours":18.09584997484681,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:06","end":"19:33","startHours":18.09584997484681,"endHours":19.553918009537597,"quality":"inauspicious"},{"name":"Śubha","start":"19:33","end":"21:01","startHours":19.553918009537597,"endHours":21.011986044228387,"quality":"auspicious"},{"name":"Roga","start":"21:01","end":"22:28","startHours":21.011986044228387,"endHours":22.470054078919173,"quality":"inauspicious"},{"name":"Udveg","start":"22:28","end":"23:56","startHours":22.470054078919173,"endHours":23.92812211360996,"quality":"inauspicious"},{"name":"Chala","start":"23:56","end":"01:23","startHours":23.92812211360996,"endHours":25.38619014830075,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:51","startHours":25.38619014830075,"endHours":26.844258182991535,"quality":"auspicious"},{"name":"Amṛta","start":"02:51","end":"04:18","startHours":26.844258182991535,"endHours":28.30232621768232,"quality":"auspicious"},{"name":"Kāla","start":"04:18","end":"05:46","startHours":28.30232621768232,"endHours":29.76039425237311,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.7603942523731115,"endHours":6.7603942523731115,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.7603942523731115,"endHours":7.7603942523731115,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.7603942523731115,"endHours":8.76039425237311,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.76039425237311,"endHours":9.76039425237311,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.76039425237311,"endHours":10.76039425237311,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.76039425237311,"endHours":11.76039425237311,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.76039425237311,"endHours":12.76039425237311,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.76039425237311,"endHours":13.76039425237311,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.76039425237311,"endHours":14.76039425237311,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.76039425237311,"endHours":15.76039425237311,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.76039425237311,"endHours":16.76039425237311,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.76039425237311,"endHours":17.76039425237311,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.76039425237311,"endHours":18.76039425237311,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.76039425237311,"endHours":19.76039425237311,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.76039425237311,"endHours":20.76039425237311,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.76039425237311,"endHours":21.76039425237311,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.76039425237311,"endHours":22.76039425237311,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.76039425237311,"endHours":23.76039425237311,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.76039425237311,"endHours":24.76039425237311,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.76039425237311,"endHours":25.76039425237311,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.76039425237311,"endHours":26.76039425237311,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.76039425237311,"endHours":27.76039425237311,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.76039425237311,"endHours":28.76039425237311,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.76039425237311,"endHours":29.76039425237311,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.1259211885343516,"eotMinutes":5.496673183402374,"ayanamsa":23.5974}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 15, 1981 CE · Ayodhyā · Vidhyamitra","description":"September 15, 1981 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 05:46, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1981-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1981-09-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/1981-09-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/1981-09-15","x-default":"https://vidhyamitra.com/city/ayodhya/1981-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T12:30:09.770Z","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":"2026-05-18T12:30:09.770Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T12:30:09.770Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}