{"id":"vidhyamitra:city-day:ayodhya:1981-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1981-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-20","date_display":"August 20, 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":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444836.770833,"kali_year":5083,"ahargana":1856371.2708,"sun":{"sidereal_longitude":122.7547,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":358.057,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.3023,"elapsed_within_tithi_degrees":7.3023},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.057,"elapsed_within_degrees":11.3903},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.8116},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444836.770833,"ahargana":1856371.2708,"kali_year":5083,"ayanamsa_lahiri":23.5964,"grahas":{"sun":{"sidereal_longitude":123.347914,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":359.423614,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.3938},"mars":{"sidereal_longitude":88.28311400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":133.23841400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.09251400000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":158.415214,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":163.46201399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":100.5166,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.5166,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":"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":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444836.770833,"kali_year":5083,"ahargana":1856371.2708,"sun":{"sidereal_longitude":122.7547,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":358.057,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.3023,"elapsed_within_tithi_degrees":7.3023},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.057,"elapsed_within_degrees":11.3903},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.8116},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.394,"elongation":124.698},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.394,"opposition_distance":55.302}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"05:35","sunsetLocal":"18:34","solarNoonLocal":"12:04","dayLengthHours":12.987780794140424,"dayLengthDisplay":"12 Hours 59 Mins 16 Secs","nightLengthDisplay":"11 Hours 00 Mins 44 Secs","moonriseLocal":"21:28","moonsetLocal":"10:09","rahuKala":{"name":"Rāhu Kāla","start":"13:42","end":"15:19","startHours":13.69403944777639,"endHours":15.317512047043945,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:35","end":"07:12","startHours":5.576676451438626,"endHours":7.2001490507061785,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:49","end":"10:27","startHours":8.823621649973731,"endHours":10.447094249241285,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.607158636738058,"endHours":9.040084663209406,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.1178339845278105,"endHours":6.4641748057048884,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.63764082203749,"endHours":12.503492874980186,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:43","startHours":3.844972345553236,"endHours":4.710824398495931,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:35","startHours":4.494361385260257,"endHours":5.576676451438626,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.235196980865574,"endHours":15.101049033808268,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.36445724557905,"endHours":18.76445724557905,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:06","startHours":18.56445724557905,"endHours":19.105614778668233,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.31445724557905,"endHours":20.06445724557905,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.637640822037493,"endHours":24.503492874980186,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:35","end":"07:12","startHours":5.576676451438626,"endHours":7.2001490507061785,"quality":"auspicious"},{"name":"Roga","start":"07:12","end":"08:49","startHours":7.2001490507061785,"endHours":8.823621649973731,"quality":"inauspicious"},{"name":"Udveg","start":"08:49","end":"10:27","startHours":8.823621649973731,"endHours":10.447094249241285,"quality":"inauspicious"},{"name":"Chala","start":"10:27","end":"12:04","startHours":10.447094249241285,"endHours":12.070566848508838,"quality":"neutral"},{"name":"Labha","start":"12:04","end":"13:42","startHours":12.070566848508838,"endHours":13.69403944777639,"quality":"auspicious"},{"name":"Amṛta","start":"13:42","end":"15:19","startHours":13.69403944777639,"endHours":15.317512047043945,"quality":"auspicious"},{"name":"Kāla","start":"15:19","end":"16:56","startHours":15.317512047043945,"endHours":16.9409846463115,"quality":"inauspicious"},{"name":"Śubha","start":"16:56","end":"18:34","startHours":16.9409846463115,"endHours":18.56445724557905,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:34","end":"19:56","startHours":18.56445724557905,"endHours":19.940984646311495,"quality":"auspicious"},{"name":"Kāla","start":"19:56","end":"21:19","startHours":19.940984646311495,"endHours":21.317512047043945,"quality":"inauspicious"},{"name":"Śubha","start":"21:19","end":"22:42","startHours":21.317512047043945,"endHours":22.69403944777639,"quality":"auspicious"},{"name":"Roga","start":"22:42","end":"00:04","startHours":22.69403944777639,"endHours":24.07056684850884,"quality":"inauspicious"},{"name":"Udveg","start":"00:04","end":"01:27","startHours":24.07056684850884,"endHours":25.447094249241285,"quality":"inauspicious"},{"name":"Chala","start":"01:27","end":"02:49","startHours":25.447094249241285,"endHours":26.82362164997373,"quality":"neutral"},{"name":"Labha","start":"02:49","end":"04:12","startHours":26.82362164997373,"endHours":28.20014905070618,"quality":"auspicious"},{"name":"Amṛta","start":"04:12","end":"05:35","startHours":28.20014905070618,"endHours":29.576676451438626,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.576676451438626,"endHours":6.576676451438626,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.576676451438626,"endHours":7.576676451438626,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.576676451438626,"endHours":8.576676451438626,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.576676451438626,"endHours":9.576676451438626,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.576676451438626,"endHours":10.576676451438626,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.576676451438626,"endHours":11.576676451438626,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.576676451438626,"endHours":12.576676451438626,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.576676451438626,"endHours":13.576676451438626,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.576676451438626,"endHours":14.576676451438626,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.576676451438626,"endHours":15.576676451438626,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.576676451438626,"endHours":16.576676451438626,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.576676451438626,"endHours":17.576676451438626,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.576676451438626,"endHours":18.576676451438626,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.576676451438626,"endHours":19.576676451438626,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.576676451438626,"endHours":20.576676451438626,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.576676451438626,"endHours":21.576676451438626,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.576676451438626,"endHours":22.576676451438626,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.576676451438626,"endHours":23.576676451438626,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.576676451438626,"endHours":24.576676451438626,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.576676451438626,"endHours":25.576676451438626,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.576676451438626,"endHours":26.576676451438626,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.576676451438626,"endHours":27.576676451438626,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.576676451438626,"endHours":28.576676451438626,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.576676451438626,"endHours":29.576676451438626,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.529644579509892,"eotMinutes":-3.0500109105302213,"ayanamsa":23.5964}},"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 Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 August 20, 1981 CE · Ayodhyā · Vidhyamitra","description":"August 20, 1981 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 05:35, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1981-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1981-08-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1981-08-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1981-08-20","x-default":"https://vidhyamitra.com/city/ayodhya/1981-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T03:24:42.635Z","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":"2026-05-19T03:24:42.635Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T03:24:42.635Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}