{"id":"vidhyamitra:city-day:dwarka:1990-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1990-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-01-13","date_display":"January 13, 1990 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":1990,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447904.770833,"kali_year":5091,"ahargana":1859439.2708,"sun":{"sidereal_longitude":268.7646,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":113.282,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.5174,"elapsed_within_tithi_degrees":0.5174},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":113.282,"elapsed_within_degrees":6.6153},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.0466},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1990,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447904.770833,"ahargana":1859439.2708,"kali_year":5091,"ayanamsa_lahiri":23.7138,"grahas":{"sun":{"sidereal_longitude":268.86989399999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":112.05089399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":0.3666},"mars":{"sidereal_longitude":234.58459400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":259.9116939999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":70.11309399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":278.44099400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":263.079694,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":297.9592,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.9592,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447904.770833,"kali_year":5091,"ahargana":1859439.2708,"sun":{"sidereal_longitude":268.7646,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":113.282,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.5174,"elapsed_within_tithi_degrees":0.5174},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":113.282,"elapsed_within_degrees":6.6153},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.0466},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.367,"elongation":155.483},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.367,"opposition_distance":24.517}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"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":"07:36","sunsetLocal":"18:30","solarNoonLocal":"13:03","dayLengthHours":10.891813365812165,"dayLengthDisplay":"10 Hours 53 Mins 31 Secs","nightLengthDisplay":"13 Hours 06 Mins 29 Secs","moonriseLocal":"20:06","moonsetLocal":"09:05","rahuKala":{"name":"Rāhu Kāla","start":"10:19","end":"11:41","startHours":10.323072183403186,"endHours":11.684548854129705,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:24","end":"15:46","startHours":14.407502195582747,"endHours":15.768978866309268,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:36","end":"08:58","startHours":7.600118841950144,"endHours":8.961595512676665,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:08","end":"10:30","startHours":10.14154196063965,"endHours":10.504602406166722,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.053944398858984,"endHours":8.344392755280643,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:25","startHours":12.682965079329156,"endHours":13.4090859703833,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:09","end":"06:52","startHours":6.147877059841855,"endHours":6.873997950896,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:36","startHours":6.692467728132464,"endHours":7.600118841950144,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:52","end":"15:35","startHours":14.861327752491587,"endHours":15.58744864354573,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.29193220776231,"endHours":18.69193220776231,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:57","startHours":18.49193220776231,"endHours":18.94575776467115,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.24193220776231,"endHours":19.99193220776231,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:25","startHours":24.682965079329154,"endHours":25.4090859703833,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:36","end":"08:58","startHours":7.600118841950144,"endHours":8.961595512676665,"quality":"inauspicious"},{"name":"Śubha","start":"08:58","end":"10:19","startHours":8.961595512676665,"endHours":10.323072183403186,"quality":"auspicious"},{"name":"Roga","start":"10:19","end":"11:41","startHours":10.323072183403186,"endHours":11.684548854129705,"quality":"inauspicious"},{"name":"Udveg","start":"11:41","end":"13:03","startHours":11.684548854129705,"endHours":13.046025524856226,"quality":"inauspicious"},{"name":"Chala","start":"13:03","end":"14:24","startHours":13.046025524856226,"endHours":14.407502195582747,"quality":"neutral"},{"name":"Labha","start":"14:24","end":"15:46","startHours":14.407502195582747,"endHours":15.768978866309268,"quality":"auspicious"},{"name":"Amṛta","start":"15:46","end":"17:08","startHours":15.768978866309268,"endHours":17.13045553703579,"quality":"auspicious"},{"name":"Kāla","start":"17:08","end":"18:30","startHours":17.13045553703579,"endHours":18.49193220776231,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:30","end":"20:08","startHours":18.49193220776231,"endHours":20.13045553703579,"quality":"auspicious"},{"name":"Amṛta","start":"20:08","end":"21:46","startHours":20.13045553703579,"endHours":21.76897886630927,"quality":"auspicious"},{"name":"Kāla","start":"21:46","end":"23:24","startHours":21.76897886630927,"endHours":23.40750219558275,"quality":"inauspicious"},{"name":"Śubha","start":"23:24","end":"01:03","startHours":23.40750219558275,"endHours":25.046025524856226,"quality":"auspicious"},{"name":"Roga","start":"01:03","end":"02:41","startHours":25.046025524856226,"endHours":26.68454885412971,"quality":"inauspicious"},{"name":"Udveg","start":"02:41","end":"04:19","startHours":26.68454885412971,"endHours":28.323072183403188,"quality":"inauspicious"},{"name":"Chala","start":"04:19","end":"05:58","startHours":28.323072183403188,"endHours":29.961595512676666,"quality":"neutral"},{"name":"Labha","start":"05:58","end":"07:36","startHours":29.961595512676666,"endHours":31.600118841950145,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.600118841950144,"endHours":8.600118841950145,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.600118841950145,"endHours":9.600118841950145,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.600118841950145,"endHours":10.600118841950145,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.600118841950145,"endHours":11.600118841950145,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.600118841950145,"endHours":12.600118841950145,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.600118841950145,"endHours":13.600118841950145,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.600118841950145,"endHours":14.600118841950145,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.600118841950145,"endHours":15.600118841950145,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.600118841950145,"endHours":16.600118841950145,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.600118841950145,"endHours":17.600118841950145,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.600118841950145,"endHours":18.600118841950145,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.600118841950145,"endHours":19.600118841950145,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.600118841950145,"endHours":20.600118841950145,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.600118841950145,"endHours":21.600118841950145,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.600118841950145,"endHours":22.600118841950145,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.600118841950145,"endHours":23.600118841950145,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.600118841950145,"endHours":24.600118841950145,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.600118841950145,"endHours":25.600118841950145,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.600118841950145,"endHours":26.600118841950145,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.600118841950145,"endHours":27.600118841950145,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.600118841950145,"endHours":28.600118841950145,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.600118841950145,"endHours":29.600118841950145,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.600118841950145,"endHours":30.600118841950145,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.600118841950145,"endHours":31.600118841950145,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.545141326190677,"eotMinutes":-8.635931491373626,"ayanamsa":23.7138}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":[]},"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 13, 1990 CE · Dvārakā · Vidhyamitra","description":"January 13, 1990 CE for Dvārakā: Kṛṣṇa Tṛtīyā, sūryodaya 07:36, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1990-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1990-01-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1990-01-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1990-01-13","x-default":"https://vidhyamitra.com/city/dwarka/1990-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:55:07.572Z","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":"2026-05-20T19:55:07.572Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:55:07.572Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}