{"id":"vidhyamitra:city-day:dwarka:1663-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1663-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-01-31","date_display":"January 31, 1663 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":1663,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328488.770833,"kali_year":4764,"ahargana":1740023.2708,"sun":{"sidereal_longitude":292.946,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":200.7957,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.8497,"elapsed_within_tithi_degrees":3.8497},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.7957,"elapsed_within_degrees":0.7957},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.7418},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1663,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328488.770833,"ahargana":1740023.2708,"kali_year":4764,"ayanamsa_lahiri":19.1466,"grahas":{"sun":{"sidereal_longitude":292.11966299999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":200.328663,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":3.7119},"mars":{"sidereal_longitude":290.245363,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":288.5418629999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":235.35826299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":294.06126300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":239.97386300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":145.1935,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":325.1935,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1663,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328488.770833,"kali_year":4764,"ahargana":1740023.2708,"sun":{"sidereal_longitude":292.946,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":200.7957,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.8497,"elapsed_within_tithi_degrees":3.8497},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.7957,"elapsed_within_degrees":0.7957},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.7418},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.712,"elongation":92.15},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.712,"opposition_distance":87.85}},"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":"07:33","sunsetLocal":"18:42","solarNoonLocal":"13:08","dayLengthHours":11.145348169725896,"dayLengthDisplay":"11 Hours 08 Mins 43 Secs","nightLengthDisplay":"12 Hours 51 Mins 17 Secs","moonriseLocal":"01:22","moonsetLocal":"12:39","rahuKala":{"name":"Rāhu Kāla","start":"13:08","end":"14:31","startHours":13.127586475697369,"endHours":14.520754996913105,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:57","end":"10:20","startHours":8.948080912050157,"endHours":10.341249433265894,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:44","end":"13:08","startHours":11.734417954481632,"endHours":13.127586475697369,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:32","startHours":10.15549363043713,"endHours":10.52700523609466,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:01","end":"08:19","startHours":8.019301897906333,"endHours":8.316511182432357,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:45","end":"13:30","startHours":12.75607487003984,"endHours":13.499098081354898,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:49","startHours":6.068865968204301,"endHours":6.811889179519361,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:33","startHours":6.626133376690596,"endHours":7.554912390834421,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:44","startHours":14.985144503985019,"endHours":15.72816771530008,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.500260560560317,"endHours":18.900260560560316,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:10","startHours":18.700260560560316,"endHours":19.16465006763223,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.450260560560316,"endHours":20.200260560560316,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:45","end":"01:30","startHours":24.75607487003984,"endHours":25.4990980813549,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:33","end":"08:57","startHours":7.554912390834421,"endHours":8.948080912050157,"quality":"auspicious"},{"name":"Amṛta","start":"08:57","end":"10:20","startHours":8.948080912050157,"endHours":10.341249433265894,"quality":"auspicious"},{"name":"Kāla","start":"10:20","end":"11:44","startHours":10.341249433265894,"endHours":11.734417954481632,"quality":"inauspicious"},{"name":"Śubha","start":"11:44","end":"13:08","startHours":11.734417954481632,"endHours":13.127586475697369,"quality":"auspicious"},{"name":"Roga","start":"13:08","end":"14:31","startHours":13.127586475697369,"endHours":14.520754996913105,"quality":"inauspicious"},{"name":"Udveg","start":"14:31","end":"15:55","startHours":14.520754996913105,"endHours":15.913923518128843,"quality":"inauspicious"},{"name":"Chala","start":"15:55","end":"17:18","startHours":15.913923518128843,"endHours":17.30709203934458,"quality":"neutral"},{"name":"Labha","start":"17:18","end":"18:42","startHours":17.30709203934458,"endHours":18.700260560560316,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:42","end":"20:18","startHours":18.700260560560316,"endHours":20.307092039344578,"quality":"inauspicious"},{"name":"Chala","start":"20:18","end":"21:55","startHours":20.307092039344578,"endHours":21.913923518128843,"quality":"neutral"},{"name":"Labha","start":"21:55","end":"23:31","startHours":21.913923518128843,"endHours":23.520754996913105,"quality":"auspicious"},{"name":"Amṛta","start":"23:31","end":"01:08","startHours":23.520754996913105,"endHours":25.12758647569737,"quality":"auspicious"},{"name":"Kāla","start":"01:08","end":"02:44","startHours":25.12758647569737,"endHours":26.734417954481632,"quality":"inauspicious"},{"name":"Śubha","start":"02:44","end":"04:20","startHours":26.734417954481632,"endHours":28.341249433265894,"quality":"auspicious"},{"name":"Roga","start":"04:20","end":"05:57","startHours":28.341249433265894,"endHours":29.94808091205016,"quality":"inauspicious"},{"name":"Udveg","start":"05:57","end":"07:33","startHours":29.94808091205016,"endHours":31.55491239083442,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.554912390834421,"endHours":8.55491239083442,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.55491239083442,"endHours":9.55491239083442,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.55491239083442,"endHours":10.55491239083442,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.55491239083442,"endHours":11.55491239083442,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.55491239083442,"endHours":12.55491239083442,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.55491239083442,"endHours":13.55491239083442,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.55491239083442,"endHours":14.55491239083442,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.55491239083442,"endHours":15.55491239083442,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.55491239083442,"endHours":16.55491239083442,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.55491239083442,"endHours":17.55491239083442,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.55491239083442,"endHours":18.55491239083442,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.55491239083442,"endHours":19.55491239083442,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.55491239083442,"endHours":20.55491239083442,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.55491239083442,"endHours":21.55491239083442,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.55491239083442,"endHours":22.55491239083442,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.55491239083442,"endHours":23.55491239083442,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.55491239083442,"endHours":24.55491239083442,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.55491239083442,"endHours":25.55491239083442,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.55491239083442,"endHours":26.55491239083442,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.55491239083442,"endHours":27.55491239083442,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.55491239083442,"endHours":28.55491239083442,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.55491239083442,"endHours":29.55491239083442,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.55491239083442,"endHours":30.55491239083442,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.55491239083442,"endHours":31.55491239083442,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.39494783385918,"eotMinutes":-13.52958854184206,"ayanamsa":19.1466}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","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":"Phālguna Kṛṣṇa Aṣṭamī · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[{"id":"sitashtami","name":"Sītāṣṭamī","name_sanskrit":"सीताष्टमी","tradition":"Vaishnava","associated_deity":"Sītā Devī","significance":"Birth-anniversary of Sītā per Phālguna-Kṛṣṇa-Aṣṭamī tradition.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":3}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 31, 1663 CE · Dvārakā · Vidhyamitra","description":"January 31, 1663 CE for Dvārakā: Kṛṣṇa Aṣṭamī, sūryodaya 07:33, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1663-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1663-01-31","sa":"https://sa.vidhyamitra.com/city/dwarka/1663-01-31","hi":"https://hi.vidhyamitra.com/city/dwarka/1663-01-31","x-default":"https://vidhyamitra.com/city/dwarka/1663-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T01:17:34.509Z","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":"2026-06-05T01:17:34.509Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T01:17:34.509Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}