{"id":"vidhyamitra:city-day:dwarka:1663-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1663-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-04-09","date_display":"April 9, 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":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328556.770833,"kali_year":4764,"ahargana":1740091.2708,"sun":{"sidereal_longitude":0.8766,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":11.8094,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.9328,"elapsed_within_tithi_degrees":10.9328},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.8094,"elapsed_within_degrees":11.8094},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":12.686},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1663,"month":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328556.770833,"ahargana":1740091.2708,"kali_year":4764,"ayanamsa_lahiri":19.1492,"grahas":{"sun":{"sidereal_longitude":359.963365,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":12.461664999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-3.4568},"mars":{"sidereal_longitude":343.618265,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":344.596965,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":240.33916499999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"venus":{"sidereal_longitude":18.773464999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":242.167465,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":141.5906,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":321.5906,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva 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":1663,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328556.770833,"kali_year":4764,"ahargana":1740091.2708,"sun":{"sidereal_longitude":0.8766,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":11.8094,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.9328,"elapsed_within_tithi_degrees":10.9328},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.8094,"elapsed_within_degrees":11.8094},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":12.686},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.457,"elongation":10.933},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.457,"opposition_distance":169.067}},"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":"06:40","sunsetLocal":"19:12","solarNoonLocal":"12:56","dayLengthHours":12.531735724902456,"dayLengthDisplay":"12 Hours 31 Mins 54 Secs","nightLengthDisplay":"11 Hours 28 Mins 06 Secs","moonriseLocal":"07:23","moonsetLocal":"20:09","rahuKala":{"name":"Rāhu Kāla","start":"08:14","end":"09:48","startHours":8.234297207882337,"endHours":9.800764173495143,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:22","end":"12:56","startHours":11.36723113910795,"endHours":12.933698104720758,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:30","end":"16:04","startHours":14.500165070333564,"endHours":16.06663203594637,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"10:01","startHours":9.591901911413435,"endHours":10.009626435576852,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:31","startHours":7.1899858974737985,"endHours":7.524165516804531,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:31","end":"13:21","startHours":12.515973580557342,"endHours":13.35142262888417,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:50","startHours":4.996932145615869,"endHours":5.832381193942699,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:40","startHours":5.623518931860991,"endHours":6.667830242269529,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:01","end":"15:51","startHours":15.022320725537833,"endHours":15.857769773864664,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.999565967171986,"endHours":19.399565967171984,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:43","startHours":19.199565967171985,"endHours":19.721721622376254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.949565967171985,"endHours":20.699565967171985,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:31","end":"01:21","startHours":24.51597358055734,"endHours":25.35142262888417,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:40","end":"08:14","startHours":6.667830242269529,"endHours":8.234297207882337,"quality":"auspicious"},{"name":"Kāla","start":"08:14","end":"09:48","startHours":8.234297207882337,"endHours":9.800764173495143,"quality":"inauspicious"},{"name":"Śubha","start":"09:48","end":"11:22","startHours":9.800764173495143,"endHours":11.36723113910795,"quality":"auspicious"},{"name":"Roga","start":"11:22","end":"12:56","startHours":11.36723113910795,"endHours":12.933698104720758,"quality":"inauspicious"},{"name":"Udveg","start":"12:56","end":"14:30","startHours":12.933698104720758,"endHours":14.500165070333564,"quality":"inauspicious"},{"name":"Chala","start":"14:30","end":"16:04","startHours":14.500165070333564,"endHours":16.06663203594637,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:38","startHours":16.06663203594637,"endHours":17.633099001559177,"quality":"auspicious"},{"name":"Amṛta","start":"17:38","end":"19:12","startHours":17.633099001559177,"endHours":19.199565967171985,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:12","end":"20:38","startHours":19.199565967171985,"endHours":20.633099001559177,"quality":"neutral"},{"name":"Labha","start":"20:38","end":"22:04","startHours":20.633099001559177,"endHours":22.06663203594637,"quality":"auspicious"},{"name":"Amṛta","start":"22:04","end":"23:30","startHours":22.06663203594637,"endHours":23.500165070333566,"quality":"auspicious"},{"name":"Kāla","start":"23:30","end":"00:56","startHours":23.500165070333566,"endHours":24.933698104720758,"quality":"inauspicious"},{"name":"Śubha","start":"00:56","end":"02:22","startHours":24.933698104720758,"endHours":26.36723113910795,"quality":"auspicious"},{"name":"Roga","start":"02:22","end":"03:48","startHours":26.36723113910795,"endHours":27.800764173495143,"quality":"inauspicious"},{"name":"Udveg","start":"03:48","end":"05:14","startHours":27.800764173495143,"endHours":29.234297207882335,"quality":"inauspicious"},{"name":"Chala","start":"05:14","end":"06:40","startHours":29.234297207882335,"endHours":30.66783024226953,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.667830242269529,"endHours":7.667830242269529,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.667830242269529,"endHours":8.66783024226953,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.66783024226953,"endHours":9.66783024226953,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.66783024226953,"endHours":10.66783024226953,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.66783024226953,"endHours":11.66783024226953,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.66783024226953,"endHours":12.66783024226953,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.66783024226953,"endHours":13.66783024226953,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.66783024226953,"endHours":14.66783024226953,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.66783024226953,"endHours":15.66783024226953,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.66783024226953,"endHours":16.66783024226953,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.66783024226953,"endHours":17.66783024226953,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.66783024226953,"endHours":18.66783024226953,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.66783024226953,"endHours":19.66783024226953,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.66783024226953,"endHours":20.66783024226953,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.66783024226953,"endHours":21.66783024226953,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.66783024226953,"endHours":22.66783024226953,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.66783024226953,"endHours":23.66783024226953,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.66783024226953,"endHours":24.66783024226953,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.66783024226953,"endHours":25.66783024226953,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.66783024226953,"endHours":26.66783024226953,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.66783024226953,"endHours":27.66783024226953,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.66783024226953,"endHours":28.66783024226953,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.66783024226953,"endHours":29.66783024226953,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.66783024226953,"endHours":30.66783024226953,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.482744551864536,"eotMinutes":-1.8962862832453116,"ayanamsa":19.1492}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Śukla Pratipada · Vikram 1720 Nala · Śaka 1585 Śobhana"},"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":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 April 9, 1663 CE · Dvārakā · Vidhyamitra","description":"April 9, 1663 CE for Dvārakā: Śukla Pratipada, sūryodaya 06:40, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1663-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1663-04-09","sa":"https://sa.vidhyamitra.com/city/dwarka/1663-04-09","hi":"https://hi.vidhyamitra.com/city/dwarka/1663-04-09","x-default":"https://vidhyamitra.com/city/dwarka/1663-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T04:48:34.107Z","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":"2026-06-05T04:48:34.107Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T04:48:34.107Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}