{"id":"vidhyamitra:city-day:dwarka:2181-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2181-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-01-04","date_display":"January 4, 2181 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":2181,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517657.770833,"kali_year":5282,"ahargana":1929192.2708,"sun":{"sidereal_longitude":257.0244,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":112.9471,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.9227,"elapsed_within_tithi_degrees":11.9227},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.9471,"elapsed_within_degrees":6.2804},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.9714},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":2181,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517657.770833,"ahargana":1929192.2708,"kali_year":5282,"ayanamsa_lahiri":26.3816,"grahas":{"sun":{"sidereal_longitude":257.67801599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":111.605616,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":-4.4995},"mars":{"sidereal_longitude":47.16611599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":259.40461600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":112.664016,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":247.498016,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":78.98661600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":202.1096,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.1096,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2181,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517657.770833,"kali_year":5282,"ahargana":1929192.2708,"sun":{"sidereal_longitude":257.0244,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":112.9471,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.9227,"elapsed_within_tithi_degrees":11.9227},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.9471,"elapsed_within_degrees":6.2804},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.9714},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":144.077},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":35.923}},"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":10.819034780030051,"dayLengthDisplay":"10 Hours 49 Mins 09 Secs","nightLengthDisplay":"13 Hours 10 Mins 51 Secs","moonriseLocal":"20:46","moonsetLocal":"09:43","rahuKala":{"name":"Rāhu Kāla","start":"14:20","end":"15:41","startHours":14.338204461926193,"endHours":15.690583809429949,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:35","end":"08:56","startHours":7.57630772440741,"endHours":8.928687071911167,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:17","end":"11:38","startHours":10.281066419414923,"endHours":11.63344576691868,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:06","end":"10:28","startHours":10.10074917308109,"endHours":10.461383665748757,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:02","end":"08:19","startHours":8.027100840241996,"endHours":8.31560843437613,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:38","end":"13:21","startHours":12.625190621754768,"endHours":13.346459607090104,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:51","startHours":6.133769753736737,"endHours":6.855038739072073,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:35","startHours":6.6747214927382394,"endHours":7.57630772440741,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:31","startHours":14.788997577760778,"endHours":15.510266563096115,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.195342504437463,"endHours":18.59534250443746,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:51","startHours":18.395342504437462,"endHours":18.846135620272047,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.145342504437462,"endHours":19.895342504437462,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:38","end":"01:21","startHours":24.62519062175477,"endHours":25.346459607090104,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:35","end":"08:56","startHours":7.57630772440741,"endHours":8.928687071911167,"quality":"auspicious"},{"name":"Roga","start":"08:56","end":"10:17","startHours":8.928687071911167,"endHours":10.281066419414923,"quality":"inauspicious"},{"name":"Udveg","start":"10:17","end":"11:38","startHours":10.281066419414923,"endHours":11.63344576691868,"quality":"inauspicious"},{"name":"Chala","start":"11:38","end":"12:59","startHours":11.63344576691868,"endHours":12.985825114422436,"quality":"neutral"},{"name":"Labha","start":"12:59","end":"14:20","startHours":12.985825114422436,"endHours":14.338204461926193,"quality":"auspicious"},{"name":"Amṛta","start":"14:20","end":"15:41","startHours":14.338204461926193,"endHours":15.690583809429949,"quality":"auspicious"},{"name":"Kāla","start":"15:41","end":"17:03","startHours":15.690583809429949,"endHours":17.042963156933705,"quality":"inauspicious"},{"name":"Śubha","start":"17:03","end":"18:24","startHours":17.042963156933705,"endHours":18.395342504437462,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:24","end":"20:03","startHours":18.395342504437462,"endHours":20.042963156933705,"quality":"auspicious"},{"name":"Kāla","start":"20:03","end":"21:41","startHours":20.042963156933705,"endHours":21.69058380942995,"quality":"inauspicious"},{"name":"Śubha","start":"21:41","end":"23:20","startHours":21.69058380942995,"endHours":23.338204461926193,"quality":"auspicious"},{"name":"Roga","start":"23:20","end":"00:59","startHours":23.338204461926193,"endHours":24.985825114422436,"quality":"inauspicious"},{"name":"Udveg","start":"00:59","end":"02:38","startHours":24.985825114422436,"endHours":26.63344576691868,"quality":"inauspicious"},{"name":"Chala","start":"02:38","end":"04:17","startHours":26.63344576691868,"endHours":28.281066419414923,"quality":"neutral"},{"name":"Labha","start":"04:17","end":"05:56","startHours":28.281066419414923,"endHours":29.928687071911167,"quality":"auspicious"},{"name":"Amṛta","start":"05:56","end":"07:35","startHours":29.928687071911167,"endHours":31.57630772440741,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:35","end":"08:35","startHours":7.57630772440741,"endHours":8.57630772440741,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:35","end":"09:35","startHours":8.57630772440741,"endHours":9.57630772440741,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:35","end":"10:35","startHours":9.57630772440741,"endHours":10.57630772440741,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:35","end":"11:35","startHours":10.57630772440741,"endHours":11.57630772440741,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:35","end":"12:35","startHours":11.57630772440741,"endHours":12.57630772440741,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:35","end":"13:35","startHours":12.57630772440741,"endHours":13.57630772440741,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:35","end":"14:35","startHours":13.57630772440741,"endHours":14.57630772440741,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:35","end":"15:35","startHours":14.57630772440741,"endHours":15.57630772440741,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:35","end":"16:35","startHours":15.57630772440741,"endHours":16.57630772440741,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:35","end":"17:35","startHours":16.57630772440741,"endHours":17.57630772440741,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:35","end":"18:35","startHours":17.57630772440741,"endHours":18.57630772440741,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:35","end":"19:35","startHours":18.57630772440741,"endHours":19.57630772440741,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:35","end":"20:35","startHours":19.57630772440741,"endHours":20.57630772440741,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:35","end":"21:35","startHours":20.57630772440741,"endHours":21.57630772440741,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:35","end":"22:35","startHours":21.57630772440741,"endHours":22.57630772440741,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:35","end":"23:35","startHours":22.57630772440741,"endHours":23.57630772440741,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:35","end":"00:35","startHours":23.57630772440741,"endHours":24.57630772440741,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:35","end":"01:35","startHours":24.57630772440741,"endHours":25.57630772440741,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:35","end":"02:35","startHours":25.57630772440741,"endHours":26.57630772440741,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:35","end":"03:35","startHours":26.57630772440741,"endHours":27.57630772440741,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:35","end":"04:35","startHours":27.57630772440741,"endHours":28.57630772440741,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:35","end":"05:35","startHours":28.57630772440741,"endHours":29.57630772440741,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:35","end":"06:35","startHours":29.57630772440741,"endHours":30.57630772440741,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:35","end":"07:35","startHours":30.57630772440741,"endHours":31.57630772440741,"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":"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":-22.694518535878778,"eotMinutes":-5.02390686534617,"ayanamsa":26.3816}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"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":"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 January 4, 2181 CE · Dvārakā · Vidhyamitra","description":"January 4, 2181 CE for Dvārakā: Kṛṣṇa Tṛtīyā, sūryodaya 07:35, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2181-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2181-01-04","sa":"https://sa.vidhyamitra.com/city/dwarka/2181-01-04","hi":"https://hi.vidhyamitra.com/city/dwarka/2181-01-04","x-default":"https://vidhyamitra.com/city/dwarka/2181-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T07:13:43.690Z","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":"2026-05-21T07:13:43.690Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T07:13:43.690Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}