{"id":"vidhyamitra:city-day:dwarka:1971-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1971-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-01-04","date_display":"January 4, 1971 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":1971,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440955.770833,"kali_year":5072,"ahargana":1852490.2708,"sun":{"sidereal_longitude":259.429,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":345.4835,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.0545,"elapsed_within_tithi_degrees":2.0545},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":345.4835,"elapsed_within_degrees":12.1501},"yoga":{"number":19,"name":"Parigha","sum_longitude":244.9124},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":1971,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440955.770833,"ahargana":1852490.2708,"kali_year":5072,"ayanamsa_lahiri":23.448,"grahas":{"sun":{"sidereal_longitude":259.568497,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":347.422697,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":2.8505},"mars":{"sidereal_longitude":204.92399699999999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":246.02369700000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":215.48969699999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":214.22159699999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":22.847696999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":306.1506,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":126.1506,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":1971,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440955.770833,"kali_year":5072,"ahargana":1852490.2708,"sun":{"sidereal_longitude":259.429,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":345.4835,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.0545,"elapsed_within_tithi_degrees":2.0545},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":345.4835,"elapsed_within_degrees":12.1501},"yoga":{"number":19,"name":"Parigha","sum_longitude":244.9124},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.85,"elongation":86.054},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.85,"opposition_distance":93.946}},"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":"07:35","sunsetLocal":"18:24","solarNoonLocal":"12:59","dayLengthHours":10.812303621244702,"dayLengthDisplay":"10 Hours 48 Mins 44 Secs","nightLengthDisplay":"13 Hours 11 Mins 16 Secs","moonriseLocal":"12:41","moonsetLocal":"01:00","rahuKala":{"name":"Rāhu Kāla","start":"08:56","end":"10:17","startHours":8.931211256455672,"endHours":10.282749209111259,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:38","end":"12:59","startHours":11.634287161766848,"endHours":12.985825114422436,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:20","end":"15:41","startHours":14.337363067078023,"endHours":15.68890101973361,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:06","end":"10:28","startHours":10.102544148757183,"endHours":10.462954269465339,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:02","end":"08:19","startHours":8.03018595468528,"endHours":8.318514051251805,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:38","end":"13:21","startHours":12.62541499371428,"endHours":13.346235235130592,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:52","startHours":6.1380328209674575,"endHours":6.858853062383771,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:35","startHours":6.678648002029693,"endHours":7.579673303800084,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:31","startHours":14.78787571796322,"endHours":15.508695959379533,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.191976925044788,"endHours":18.591976925044786,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:51","startHours":18.391976925044787,"endHours":18.84248957592998,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.141976925044787,"endHours":19.891976925044787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:38","end":"01:21","startHours":24.62541499371428,"endHours":25.346235235130592,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:35","end":"08:56","startHours":7.579673303800084,"endHours":8.931211256455672,"quality":"auspicious"},{"name":"Kāla","start":"08:56","end":"10:17","startHours":8.931211256455672,"endHours":10.282749209111259,"quality":"inauspicious"},{"name":"Śubha","start":"10:17","end":"11:38","startHours":10.282749209111259,"endHours":11.634287161766848,"quality":"auspicious"},{"name":"Roga","start":"11:38","end":"12:59","startHours":11.634287161766848,"endHours":12.985825114422436,"quality":"inauspicious"},{"name":"Udveg","start":"12:59","end":"14:20","startHours":12.985825114422436,"endHours":14.337363067078023,"quality":"inauspicious"},{"name":"Chala","start":"14:20","end":"15:41","startHours":14.337363067078023,"endHours":15.68890101973361,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:02","startHours":15.68890101973361,"endHours":17.0404389723892,"quality":"auspicious"},{"name":"Amṛta","start":"17:02","end":"18:24","startHours":17.0404389723892,"endHours":18.391976925044787,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:24","end":"20:02","startHours":18.391976925044787,"endHours":20.0404389723892,"quality":"neutral"},{"name":"Labha","start":"20:02","end":"21:41","startHours":20.0404389723892,"endHours":21.688901019733613,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"23:20","startHours":21.688901019733613,"endHours":23.337363067078023,"quality":"auspicious"},{"name":"Kāla","start":"23:20","end":"00:59","startHours":23.337363067078023,"endHours":24.985825114422436,"quality":"inauspicious"},{"name":"Śubha","start":"00:59","end":"02:38","startHours":24.985825114422436,"endHours":26.63428716176685,"quality":"auspicious"},{"name":"Roga","start":"02:38","end":"04:17","startHours":26.63428716176685,"endHours":28.28274920911126,"quality":"inauspicious"},{"name":"Udveg","start":"04:17","end":"05:56","startHours":28.28274920911126,"endHours":29.931211256455672,"quality":"inauspicious"},{"name":"Chala","start":"05:56","end":"07:35","startHours":29.931211256455672,"endHours":31.579673303800085,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:35","end":"08:35","startHours":7.579673303800084,"endHours":8.579673303800085,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:35","end":"09:35","startHours":8.579673303800085,"endHours":9.579673303800085,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:35","end":"10:35","startHours":9.579673303800085,"endHours":10.579673303800085,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:35","end":"11:35","startHours":10.579673303800085,"endHours":11.579673303800085,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:35","end":"12:35","startHours":11.579673303800085,"endHours":12.579673303800085,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:35","end":"13:35","startHours":12.579673303800085,"endHours":13.579673303800085,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:35","end":"14:35","startHours":13.579673303800085,"endHours":14.579673303800085,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:35","end":"15:35","startHours":14.579673303800085,"endHours":15.579673303800085,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:35","end":"16:35","startHours":15.579673303800085,"endHours":16.579673303800085,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:35","end":"17:35","startHours":16.579673303800085,"endHours":17.579673303800085,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:35","end":"18:35","startHours":17.579673303800085,"endHours":18.579673303800085,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:35","end":"19:35","startHours":18.579673303800085,"endHours":19.579673303800085,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:35","end":"20:35","startHours":19.579673303800085,"endHours":20.579673303800085,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:35","end":"21:35","startHours":20.579673303800085,"endHours":21.579673303800085,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:35","end":"22:35","startHours":21.579673303800085,"endHours":22.579673303800085,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:35","end":"23:35","startHours":22.579673303800085,"endHours":23.579673303800085,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:35","end":"00:35","startHours":23.579673303800085,"endHours":24.579673303800085,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:35","end":"01:35","startHours":24.579673303800085,"endHours":25.579673303800085,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:35","end":"02:35","startHours":25.579673303800085,"endHours":26.579673303800085,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:35","end":"03:35","startHours":26.579673303800085,"endHours":27.579673303800085,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:35","end":"04:35","startHours":27.579673303800085,"endHours":28.579673303800085,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:35","end":"05:35","startHours":28.579673303800085,"endHours":29.579673303800085,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:35","end":"06:35","startHours":29.579673303800085,"endHours":30.579673303800085,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:35","end":"07:35","startHours":30.579673303800085,"endHours":31.579673303800085,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.799828492230223,"eotMinutes":-5.02390686534617,"ayanamsa":23.448}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[],"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 January 4, 1971 CE · Dvārakā · Vidhyamitra","description":"January 4, 1971 CE for Dvārakā: Śukla Aṣṭamī, sūryodaya 07:35, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1971-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1971-01-04","sa":"https://sa.vidhyamitra.com/city/dwarka/1971-01-04","hi":"https://hi.vidhyamitra.com/city/dwarka/1971-01-04","x-default":"https://vidhyamitra.com/city/dwarka/1971-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:30:06.023Z","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":"2026-05-31T19:30:06.023Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:30:06.023Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}