{"id":"vidhyamitra:city-day:dwarka:1981-09-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1981-09-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-09-24","date_display":"September 24, 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":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444871.770833,"kali_year":5083,"ahargana":1856406.2708,"sun":{"sidereal_longitude":156.6173,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":106.8906,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":310.2733,"elapsed_within_tithi_degrees":10.2733},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.8906,"elapsed_within_degrees":0.2239},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.5079},"karana":{"half_tithi_index":51,"name":"Bālava"},"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":9,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444871.770833,"ahargana":1856406.2708,"kali_year":5083,"ayanamsa_lahiri":23.5978,"grahas":{"sun":{"sidereal_longitude":157.31427699999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":108.09317699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":0.6434},"mars":{"sidereal_longitude":110.40747699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":183.818577,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":173.15157699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":199.572677,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":167.44437700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.6621,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.6621,"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":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444871.770833,"kali_year":5083,"ahargana":1856406.2708,"sun":{"sidereal_longitude":156.6173,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":106.8906,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":310.2733,"elapsed_within_tithi_degrees":10.2733},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.8906,"elapsed_within_degrees":0.2239},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.5079},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.643,"elongation":49.727},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.643,"opposition_distance":130.273}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:42","sunsetLocal":"18:48","solarNoonLocal":"12:45","dayLengthHours":12.100216806090938,"dayLengthDisplay":"12 Hours 06 Mins 01 Secs","nightLengthDisplay":"11 Hours 53 Mins 59 Secs","moonriseLocal":"02:57","moonsetLocal":"16:00","rahuKala":{"name":"Rāhu Kāla","start":"14:16","end":"15:47","startHours":14.268068594198395,"endHours":15.78059569495976,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:42","end":"08:13","startHours":6.705433090391558,"endHours":8.217960191152926,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:44","end":"11:15","startHours":9.730487291914294,"endHours":11.24301439267566,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.528817011812777,"endHours":9.932157572015809,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:32","startHours":7.209608790645348,"endHours":7.532281238807773,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:10","startHours":12.352200933233997,"endHours":13.158882053640058,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:54","startHours":5.092070849579433,"endHours":5.898751969985496,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:42","startHours":5.69708168988398,"endHours":6.705433090391558,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:35","startHours":14.772244294452184,"endHours":15.578925414858247,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.605649896482497,"endHours":19.005649896482495,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:19","startHours":18.805649896482496,"endHours":19.309825596736285,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.555649896482496,"endHours":20.305649896482496,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:10","startHours":24.352200933234,"endHours":25.15888205364006,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:42","end":"08:13","startHours":6.705433090391558,"endHours":8.217960191152926,"quality":"auspicious"},{"name":"Roga","start":"08:13","end":"09:44","startHours":8.217960191152926,"endHours":9.730487291914294,"quality":"inauspicious"},{"name":"Udveg","start":"09:44","end":"11:15","startHours":9.730487291914294,"endHours":11.24301439267566,"quality":"inauspicious"},{"name":"Chala","start":"11:15","end":"12:45","startHours":11.24301439267566,"endHours":12.755541493437027,"quality":"neutral"},{"name":"Labha","start":"12:45","end":"14:16","startHours":12.755541493437027,"endHours":14.268068594198395,"quality":"auspicious"},{"name":"Amṛta","start":"14:16","end":"15:47","startHours":14.268068594198395,"endHours":15.78059569495976,"quality":"auspicious"},{"name":"Kāla","start":"15:47","end":"17:18","startHours":15.78059569495976,"endHours":17.29312279572113,"quality":"inauspicious"},{"name":"Śubha","start":"17:18","end":"18:48","startHours":17.29312279572113,"endHours":18.805649896482496,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:48","end":"20:18","startHours":18.805649896482496,"endHours":20.29312279572113,"quality":"auspicious"},{"name":"Kāla","start":"20:18","end":"21:47","startHours":20.29312279572113,"endHours":21.78059569495976,"quality":"inauspicious"},{"name":"Śubha","start":"21:47","end":"23:16","startHours":21.78059569495976,"endHours":23.268068594198397,"quality":"auspicious"},{"name":"Roga","start":"23:16","end":"00:45","startHours":23.268068594198397,"endHours":24.75554149343703,"quality":"inauspicious"},{"name":"Udveg","start":"00:45","end":"02:15","startHours":24.75554149343703,"endHours":26.24301439267566,"quality":"inauspicious"},{"name":"Chala","start":"02:15","end":"03:44","startHours":26.24301439267566,"endHours":27.730487291914294,"quality":"neutral"},{"name":"Labha","start":"03:44","end":"05:13","startHours":27.730487291914294,"endHours":29.217960191152926,"quality":"auspicious"},{"name":"Amṛta","start":"05:13","end":"06:42","startHours":29.217960191152926,"endHours":30.70543309039156,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.705433090391558,"endHours":7.705433090391558,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.705433090391558,"endHours":8.705433090391558,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.705433090391558,"endHours":9.705433090391558,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.705433090391558,"endHours":10.705433090391558,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.705433090391558,"endHours":11.705433090391558,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.705433090391558,"endHours":12.705433090391558,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.705433090391558,"endHours":13.705433090391558,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.705433090391558,"endHours":14.705433090391558,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.705433090391558,"endHours":15.705433090391558,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.705433090391558,"endHours":16.70543309039156,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.70543309039156,"endHours":17.70543309039156,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.70543309039156,"endHours":18.70543309039156,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.70543309039156,"endHours":19.70543309039156,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.70543309039156,"endHours":20.70543309039156,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.70543309039156,"endHours":21.70543309039156,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.70543309039156,"endHours":22.70543309039156,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.70543309039156,"endHours":23.70543309039156,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.70543309039156,"endHours":24.70543309039156,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.70543309039156,"endHours":25.70543309039156,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.70543309039156,"endHours":26.70543309039156,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.70543309039156,"endHours":27.70543309039156,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.70543309039156,"endHours":28.70543309039156,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.70543309039156,"endHours":29.70543309039156,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.70543309039156,"endHours":30.70543309039156,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-0.3627497325031123,"eotMinutes":8.793110393778392,"ayanamsa":23.5978}},"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 Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ekādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"rama-ekadashi","name":"Ramā Ekādaśī","name_sanskrit":"रमा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (with Ramā = Lakṣmī)","significance":"Lakṣmī (Ramā) granted boon to King Mucukunda.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":4},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"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":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 24, 1981 CE · Dvārakā · Vidhyamitra","description":"September 24, 1981 CE for Dvārakā: Kṛṣṇa Ekādaśī, sūryodaya 06:42, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1981-09-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1981-09-24","sa":"https://sa.vidhyamitra.com/city/dwarka/1981-09-24","hi":"https://hi.vidhyamitra.com/city/dwarka/1981-09-24","x-default":"https://vidhyamitra.com/city/dwarka/1981-09-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T19:10:42.323Z","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":"2026-05-19T19:10:42.323Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T19:10:42.323Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}