{"id":"vidhyamitra:city-day:dwarka:1830-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1830-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1830-01-17","date_display":"January 17, 1830 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":1830,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2389469.770833,"kali_year":4931,"ahargana":1801004.2708,"sun":{"sidereal_longitude":275.3358,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":185.4784,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.1426,"elapsed_within_tithi_degrees":6.1426},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.4784,"elapsed_within_degrees":12.1451},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.8143},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1830,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2389469.770833,"ahargana":1801004.2708,"kali_year":4931,"ayanamsa_lahiri":21.4789,"grahas":{"sun":{"sidereal_longitude":275.01604,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":183.47163999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":2.3396},"mars":{"sidereal_longitude":224.47234000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":291.74134000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":254.42174,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":322.47874,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":116.30563999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":154.1267,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.1267,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":1830,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2389469.770833,"kali_year":4931,"ahargana":1801004.2708,"sun":{"sidereal_longitude":275.3358,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":185.4784,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.1426,"elapsed_within_tithi_degrees":6.1426},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.4784,"elapsed_within_degrees":12.1451},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.8143},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.34,"elongation":89.857},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.34,"opposition_distance":90.143}},"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":"07:36","sunsetLocal":"18:32","solarNoonLocal":"13:04","dayLengthHours":10.935102852768395,"dayLengthDisplay":"10 Hours 56 Mins 06 Secs","nightLengthDisplay":"13 Hours 03 Mins 54 Secs","moonriseLocal":"01:11","moonsetLocal":"12:45","rahuKala":{"name":"Rāhu Kāla","start":"17:10","end":"18:32","startHours":17.169858382223293,"endHours":18.536746238819344,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:04","end":"14:26","startHours":13.069194812435146,"endHours":14.436082669031194,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:48","end":"17:10","startHours":15.802970525627245,"endHours":17.169858382223293,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:31","startHours":10.15316738503024,"endHours":10.517670813455853,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.057272671582965,"endHours":8.348875414323455,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:42","end":"13:26","startHours":12.704691384009534,"endHours":13.433698240860759,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:09","end":"06:52","startHours":6.143629672348495,"endHours":6.872636529199721,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:36","startHours":6.690384814986915,"endHours":7.601643386050948,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:37","startHours":14.891711954563212,"endHours":15.620718811414438,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.336746238819345,"endHours":18.736746238819343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:00","startHours":18.536746238819344,"endHours":18.99237552435136,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.286746238819344,"endHours":20.036746238819344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:42","end":"01:26","startHours":24.704691384009532,"endHours":25.43369824086076,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:36","end":"08:58","startHours":7.601643386050948,"endHours":8.968531242646996,"quality":"inauspicious"},{"name":"Chala","start":"08:58","end":"10:20","startHours":8.968531242646996,"endHours":10.335419099243047,"quality":"neutral"},{"name":"Labha","start":"10:20","end":"11:42","startHours":10.335419099243047,"endHours":11.702306955839095,"quality":"auspicious"},{"name":"Amṛta","start":"11:42","end":"13:04","startHours":11.702306955839095,"endHours":13.069194812435146,"quality":"auspicious"},{"name":"Kāla","start":"13:04","end":"14:26","startHours":13.069194812435146,"endHours":14.436082669031194,"quality":"inauspicious"},{"name":"Śubha","start":"14:26","end":"15:48","startHours":14.436082669031194,"endHours":15.802970525627245,"quality":"auspicious"},{"name":"Roga","start":"15:48","end":"17:10","startHours":15.802970525627245,"endHours":17.169858382223293,"quality":"inauspicious"},{"name":"Udveg","start":"17:10","end":"18:32","startHours":17.169858382223293,"endHours":18.536746238819344,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:32","end":"20:10","startHours":18.536746238819344,"endHours":20.169858382223296,"quality":"auspicious"},{"name":"Roga","start":"20:10","end":"21:48","startHours":20.169858382223296,"endHours":21.802970525627245,"quality":"inauspicious"},{"name":"Udveg","start":"21:48","end":"23:26","startHours":21.802970525627245,"endHours":23.436082669031194,"quality":"inauspicious"},{"name":"Chala","start":"23:26","end":"01:04","startHours":23.436082669031194,"endHours":25.069194812435146,"quality":"neutral"},{"name":"Labha","start":"01:04","end":"02:42","startHours":25.069194812435146,"endHours":26.7023069558391,"quality":"auspicious"},{"name":"Amṛta","start":"02:42","end":"04:20","startHours":26.7023069558391,"endHours":28.335419099243047,"quality":"auspicious"},{"name":"Kāla","start":"04:20","end":"05:58","startHours":28.335419099243047,"endHours":29.968531242646996,"quality":"inauspicious"},{"name":"Śubha","start":"05:58","end":"07:36","startHours":29.968531242646996,"endHours":31.60164338605095,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.601643386050948,"endHours":8.601643386050949,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.601643386050949,"endHours":9.601643386050949,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.601643386050949,"endHours":10.601643386050949,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.601643386050949,"endHours":11.601643386050949,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.601643386050949,"endHours":12.601643386050949,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.601643386050949,"endHours":13.601643386050949,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.601643386050949,"endHours":14.601643386050949,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.601643386050949,"endHours":15.601643386050949,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.601643386050949,"endHours":16.60164338605095,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.60164338605095,"endHours":17.60164338605095,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.60164338605095,"endHours":18.60164338605095,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.60164338605095,"endHours":19.60164338605095,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.60164338605095,"endHours":20.60164338605095,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.60164338605095,"endHours":21.60164338605095,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.60164338605095,"endHours":22.60164338605095,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.60164338605095,"endHours":23.60164338605095,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.60164338605095,"endHours":24.60164338605095,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.60164338605095,"endHours":25.60164338605095,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.60164338605095,"endHours":26.60164338605095,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.60164338605095,"endHours":27.60164338605095,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.60164338605095,"endHours":28.60164338605095,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.60164338605095,"endHours":29.60164338605095,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.60164338605095,"endHours":30.60164338605095,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.60164338605095,"endHours":31.60164338605095,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.852299244026046,"eotMinutes":-10.026088746108654,"ayanamsa":21.4789}},"calendars":{"vikram_samvat":1887,"vikram_samvatsara":"Śobhana","saka_samvat":1752,"saka_samvatsara":"Vikṛti","bengali_samvat":1237,"malayalam_era":1006,"nanakshahi_year":361,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 1887 Śobhana · Śaka 1752 Vikṛti"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 January 17, 1830 CE · Dvārakā · Vidhyamitra","description":"January 17, 1830 CE for Dvārakā: Kṛṣṇa Aṣṭamī, sūryodaya 07:36, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1830-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1830-01-17","sa":"https://sa.vidhyamitra.com/city/dwarka/1830-01-17","hi":"https://hi.vidhyamitra.com/city/dwarka/1830-01-17","x-default":"https://vidhyamitra.com/city/dwarka/1830-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:08:51.498Z","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":"2026-06-02T18:08:51.498Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:08:51.498Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}