{"id":"vidhyamitra:city-day:varanasi:1663-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1663-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-05-18","date_display":"May 18, 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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328595.770833,"kali_year":4765,"ahargana":1740130.2708,"sun":{"sidereal_longitude":38.4899,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":172.3908,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.9009,"elapsed_within_tithi_degrees":1.9009},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":172.3908,"elapsed_within_degrees":12.3908},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.8808},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328595.770833,"ahargana":1740130.2708,"kali_year":4765,"ayanamsa_lahiri":19.1507,"grahas":{"sun":{"sidereal_longitude":37.767875000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":173.45247500000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":2.4403},"mars":{"sidereal_longitude":13.379475000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":27.413175000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":237.27777500000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":66.49127499999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":240.28997500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":139.5242,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":319.5242,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1663,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328595.770833,"kali_year":4765,"ahargana":1740130.2708,"sun":{"sidereal_longitude":38.4899,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":172.3908,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.9009,"elapsed_within_tithi_degrees":1.9009},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":172.3908,"elapsed_within_degrees":12.3908},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.8808},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.44,"elongation":133.901},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.44,"opposition_distance":46.099}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:12","sunsetLocal":"18:37","solarNoonLocal":"11:54","dayLengthHours":13.41582858000261,"dayLengthDisplay":"13 Hours 24 Mins 57 Secs","nightLengthDisplay":"10 Hours 35 Mins 03 Secs","moonriseLocal":"15:04","moonsetLocal":"02:50","rahuKala":{"name":"Rāhu Kāla","start":"10:14","end":"11:54","startHours":10.229941724325183,"endHours":11.906920296825508,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:16","end":"16:56","startHours":15.26087744182616,"endHours":16.93785601432649,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:53","end":"08:33","startHours":6.8759845793245296,"endHours":8.552963151824855,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:20","end":"08:47","startHours":8.329366008824813,"endHours":8.7765602948249,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.757998864324312,"endHours":6.115754293124382,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:21","startHours":11.45972601082542,"endHours":12.354114582825595,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:18","startHours":3.410228862823855,"endHours":4.30461743482403,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:12","startHours":4.081020291823986,"endHours":5.199006006824203,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:02","startHours":14.142891726825944,"endHours":15.037280298826118,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.414834586826814,"endHours":18.814834586826812,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:10","startHours":18.614834586826813,"endHours":19.17382744432692,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.364834586826813,"endHours":20.114834586826813,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:21","startHours":23.45972601082542,"endHours":24.354114582825595,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:12","end":"06:53","startHours":5.199006006824203,"endHours":6.8759845793245296,"quality":"neutral"},{"name":"Labha","start":"06:53","end":"08:33","startHours":6.8759845793245296,"endHours":8.552963151824855,"quality":"auspicious"},{"name":"Amṛta","start":"08:33","end":"10:14","startHours":8.552963151824855,"endHours":10.229941724325183,"quality":"auspicious"},{"name":"Kāla","start":"10:14","end":"11:54","startHours":10.229941724325183,"endHours":11.906920296825508,"quality":"inauspicious"},{"name":"Śubha","start":"11:54","end":"13:35","startHours":11.906920296825508,"endHours":13.583898869325836,"quality":"auspicious"},{"name":"Roga","start":"13:35","end":"15:16","startHours":13.583898869325836,"endHours":15.26087744182616,"quality":"inauspicious"},{"name":"Udveg","start":"15:16","end":"16:56","startHours":15.26087744182616,"endHours":16.93785601432649,"quality":"inauspicious"},{"name":"Chala","start":"16:56","end":"18:37","startHours":16.93785601432649,"endHours":18.614834586826813,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:37","end":"19:56","startHours":18.614834586826813,"endHours":19.937856014326485,"quality":"inauspicious"},{"name":"Udveg","start":"19:56","end":"21:16","startHours":19.937856014326485,"endHours":21.26087744182616,"quality":"inauspicious"},{"name":"Chala","start":"21:16","end":"22:35","startHours":21.26087744182616,"endHours":22.583898869325836,"quality":"neutral"},{"name":"Labha","start":"22:35","end":"23:54","startHours":22.583898869325836,"endHours":23.906920296825508,"quality":"auspicious"},{"name":"Amṛta","start":"23:54","end":"01:14","startHours":23.906920296825508,"endHours":25.22994172432518,"quality":"auspicious"},{"name":"Kāla","start":"01:14","end":"02:33","startHours":25.22994172432518,"endHours":26.552963151824855,"quality":"inauspicious"},{"name":"Śubha","start":"02:33","end":"03:53","startHours":26.552963151824855,"endHours":27.87598457932453,"quality":"auspicious"},{"name":"Roga","start":"03:53","end":"05:12","startHours":27.87598457932453,"endHours":29.199006006824202,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.199006006824203,"endHours":6.199006006824203,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.199006006824203,"endHours":7.199006006824203,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.199006006824203,"endHours":8.199006006824202,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.199006006824202,"endHours":9.199006006824202,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.199006006824202,"endHours":10.199006006824202,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.199006006824202,"endHours":11.199006006824202,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.199006006824202,"endHours":12.199006006824202,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.199006006824202,"endHours":13.199006006824202,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.199006006824202,"endHours":14.199006006824202,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.199006006824202,"endHours":15.199006006824202,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.199006006824202,"endHours":16.199006006824202,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.199006006824202,"endHours":17.199006006824202,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.199006006824202,"endHours":18.199006006824202,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.199006006824202,"endHours":19.199006006824202,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.199006006824202,"endHours":20.199006006824202,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.199006006824202,"endHours":21.199006006824202,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.199006006824202,"endHours":22.199006006824202,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.199006006824202,"endHours":23.199006006824202,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.199006006824202,"endHours":24.199006006824202,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.199006006824202,"endHours":25.199006006824202,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.199006006824202,"endHours":26.199006006824202,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.199006006824202,"endHours":27.199006006824202,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.199006006824202,"endHours":28.199006006824202,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.199006006824202,"endHours":29.199006006824202,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.466662362284175,"eotMinutes":3.6891821904695723,"ayanamsa":19.1507}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvādaśī · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 18, 1663 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"May 18, 1663 CE for Vārāṇasī (Kāśī): Śukla Dvādaśī, sūryodaya 05:12, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1663-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1663-05-18","sa":"https://sa.vidhyamitra.com/city/varanasi/1663-05-18","hi":"https://hi.vidhyamitra.com/city/varanasi/1663-05-18","x-default":"https://vidhyamitra.com/city/varanasi/1663-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T09:43:55.979Z","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":"2026-06-05T09:43:55.979Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T09:43:55.979Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}