{"id":"vidhyamitra:city-day:dwarka:2121-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2121-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-10-04","date_display":"October 4, 2121 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":2121,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496015.770833,"kali_year":5223,"ahargana":1907550.2708,"sun":{"sidereal_longitude":164.2434,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":77.8826,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.6392,"elapsed_within_tithi_degrees":9.6392},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.8826,"elapsed_within_degrees":11.2159},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.126},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2121,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496015.770833,"ahargana":1907550.2708,"kali_year":5223,"ayanamsa_lahiri":25.5538,"grahas":{"sun":{"sidereal_longitude":165.28430000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":81.61849999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":0.852},"mars":{"sidereal_longitude":200.01009999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":145.78279999999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":116.62130000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":147.3184,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":80.904,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":268.8069,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.8069,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2121,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496015.770833,"kali_year":5223,"ahargana":1907550.2708,"sun":{"sidereal_longitude":164.2434,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":77.8826,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.6392,"elapsed_within_tithi_degrees":9.6392},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.8826,"elapsed_within_degrees":11.2159},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.126},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.852,"elongation":86.361},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.852,"opposition_distance":93.639}},"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":"06:45","sunsetLocal":"18:39","solarNoonLocal":"12:42","dayLengthHours":11.88605097554953,"dayLengthDisplay":"11 Hours 53 Mins 10 Secs","nightLengthDisplay":"12 Hours 06 Mins 50 Secs","moonriseLocal":"00:26","moonsetLocal":"13:49","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:13","startHours":9.728962869651115,"endHours":11.214719241594807,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:11","end":"15:40","startHours":14.186231985482188,"endHours":15.67198835742588,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:45","end":"08:15","startHours":6.757450125763732,"endHours":8.243206497707423,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.530862020058622,"endHours":9.927063719243607,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:34","startHours":7.252702249744963,"endHours":7.5696636090929506,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:06","startHours":12.304273914353512,"endHours":13.096677312723482,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:58","startHours":5.172643329023795,"endHours":5.965046727393764,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:45","startHours":5.766945877801271,"endHours":6.757450125763732,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:28","startHours":14.681484109463419,"endHours":15.473887507833387,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.443501101313263,"endHours":18.84350110131326,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:08","startHours":18.643501101313262,"endHours":19.138753225294494,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.393501101313262,"endHours":20.143501101313262,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:06","startHours":24.304273914353512,"endHours":25.096677312723482,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:45","end":"08:15","startHours":6.757450125763732,"endHours":8.243206497707423,"quality":"inauspicious"},{"name":"Śubha","start":"08:15","end":"09:44","startHours":8.243206497707423,"endHours":9.728962869651115,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:13","startHours":9.728962869651115,"endHours":11.214719241594807,"quality":"inauspicious"},{"name":"Udveg","start":"11:13","end":"12:42","startHours":11.214719241594807,"endHours":12.700475613538497,"quality":"inauspicious"},{"name":"Chala","start":"12:42","end":"14:11","startHours":12.700475613538497,"endHours":14.186231985482188,"quality":"neutral"},{"name":"Labha","start":"14:11","end":"15:40","startHours":14.186231985482188,"endHours":15.67198835742588,"quality":"auspicious"},{"name":"Amṛta","start":"15:40","end":"17:09","startHours":15.67198835742588,"endHours":17.157744729369572,"quality":"auspicious"},{"name":"Kāla","start":"17:09","end":"18:39","startHours":17.157744729369572,"endHours":18.643501101313262,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:39","end":"20:09","startHours":18.643501101313262,"endHours":20.157744729369572,"quality":"auspicious"},{"name":"Amṛta","start":"20:09","end":"21:40","startHours":20.157744729369572,"endHours":21.67198835742588,"quality":"auspicious"},{"name":"Kāla","start":"21:40","end":"23:11","startHours":21.67198835742588,"endHours":23.186231985482188,"quality":"inauspicious"},{"name":"Śubha","start":"23:11","end":"00:42","startHours":23.186231985482188,"endHours":24.700475613538497,"quality":"auspicious"},{"name":"Roga","start":"00:42","end":"02:13","startHours":24.700475613538497,"endHours":26.214719241594807,"quality":"inauspicious"},{"name":"Udveg","start":"02:13","end":"03:44","startHours":26.214719241594807,"endHours":27.728962869651113,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:15","startHours":27.728962869651113,"endHours":29.243206497707423,"quality":"neutral"},{"name":"Labha","start":"05:15","end":"06:45","startHours":29.243206497707423,"endHours":30.757450125763732,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.757450125763732,"endHours":7.757450125763732,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.757450125763732,"endHours":8.757450125763732,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.757450125763732,"endHours":9.757450125763732,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.757450125763732,"endHours":10.757450125763732,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.757450125763732,"endHours":11.757450125763732,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.757450125763732,"endHours":12.757450125763732,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.757450125763732,"endHours":13.757450125763732,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.757450125763732,"endHours":14.757450125763732,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.757450125763732,"endHours":15.757450125763732,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.757450125763732,"endHours":16.757450125763732,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.757450125763732,"endHours":17.757450125763732,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.757450125763732,"endHours":18.757450125763732,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.757450125763732,"endHours":19.757450125763732,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.757450125763732,"endHours":20.757450125763732,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.757450125763732,"endHours":21.757450125763732,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.757450125763732,"endHours":22.757450125763732,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.757450125763732,"endHours":23.757450125763732,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.757450125763732,"endHours":24.757450125763732,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.757450125763732,"endHours":25.757450125763732,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.757450125763732,"endHours":26.757450125763732,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.757450125763732,"endHours":27.757450125763732,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.757450125763732,"endHours":28.757450125763732,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.757450125763732,"endHours":29.757450125763732,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.757450125763732,"endHours":30.757450125763732,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"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":-4.289007523636695,"eotMinutes":12.09706318769023,"ayanamsa":25.5538}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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 Kṛṣṇa Aṣṭamī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 October 4, 2121 CE · Dvārakā · Vidhyamitra","description":"October 4, 2121 CE for Dvārakā: Kṛṣṇa Aṣṭamī, sūryodaya 06:45, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2121-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2121-10-04","sa":"https://sa.vidhyamitra.com/city/dwarka/2121-10-04","hi":"https://hi.vidhyamitra.com/city/dwarka/2121-10-04","x-default":"https://vidhyamitra.com/city/dwarka/2121-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T10:36:26.601Z","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":"2026-06-01T10:36:26.601Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T10:36:26.601Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}