{"id":"vidhyamitra:city-day:kanchipuram:1663-12-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kanchipuram/1663-12-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-12-07","date_display":"December 7, 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":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328798.770833,"kali_year":4765,"ahargana":1740333.2708,"sun":{"sidereal_longitude":236.252,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":320.4852,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.2332,"elapsed_within_tithi_degrees":0.2332},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.4852,"elapsed_within_degrees":0.4852},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.7372},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":12,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328798.770833,"ahargana":1740333.2708,"kali_year":4765,"ayanamsa_lahiri":19.1584,"grahas":{"sun":{"sidereal_longitude":235.86811899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":316.0984189999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-0.9129},"mars":{"sidereal_longitude":135.23681899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":219.56021899999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":249.302819,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":225.26741900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":244.17201899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":128.7682,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.7682,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328798.770833,"kali_year":4765,"ahargana":1740333.2708,"sun":{"sidereal_longitude":236.252,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":320.4852,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.2332,"elapsed_within_tithi_degrees":0.2332},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.4852,"elapsed_within_degrees":0.4852},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.7372},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.913,"elongation":84.233},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.913,"opposition_distance":95.767}},"eclipse_window_40days":[]},"city":{"slug":"kanchipuram","name":"Kāñcīpuram","lat":12.8342,"lon":79.7036,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"kanchipuram","name":"Kāñcīpuram","lat":12.8342,"lon":79.7036,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"sunriseLocal":"06:22","sunsetLocal":"17:45","solarNoonLocal":"12:03","dayLengthHours":11.398434910258477,"dayLengthDisplay":"11 Hours 23 Mins 54 Secs","nightLengthDisplay":"12 Hours 36 Mins 06 Secs","moonriseLocal":"11:31","moonsetLocal":"23:18","rahuKala":{"name":"Rāhu Kāla","start":"10:38","end":"12:03","startHours":10.632894027495404,"endHours":12.057698391277711,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:54","end":"16:20","startHours":14.907307118842333,"endHours":16.33211148262464,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:47","end":"09:12","startHours":7.7832852999307836,"endHours":9.208089663713093,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:24","startHours":9.018115748542119,"endHours":9.398063578884067,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:08","startHours":6.83341572407591,"endHours":7.137373988349469,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:26","startHours":11.677750560935763,"endHours":12.437646221619662,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:36","startHours":4.838689614780677,"endHours":5.5985852754645755,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:22","startHours":5.408611360293601,"endHours":6.3584809361484735,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:43","startHours":13.957437542987458,"endHours":14.717333203671357,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:33","end":"17:57","startHours":17.55691584640695,"endHours":17.95691584640695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:45","end":"18:14","startHours":17.75691584640695,"endHours":18.23185063433439,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:30","end":"19:15","startHours":17.50691584640695,"endHours":19.25691584640695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:26","startHours":23.677750560935763,"endHours":24.43764622161966,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:22","end":"07:47","startHours":6.3584809361484735,"endHours":7.7832852999307836,"quality":"neutral"},{"name":"Labha","start":"07:47","end":"09:12","startHours":7.7832852999307836,"endHours":9.208089663713093,"quality":"auspicious"},{"name":"Amṛta","start":"09:12","end":"10:38","startHours":9.208089663713093,"endHours":10.632894027495404,"quality":"auspicious"},{"name":"Kāla","start":"10:38","end":"12:03","startHours":10.632894027495404,"endHours":12.057698391277711,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:29","startHours":12.057698391277711,"endHours":13.482502755060022,"quality":"auspicious"},{"name":"Roga","start":"13:29","end":"14:54","startHours":13.482502755060022,"endHours":14.907307118842333,"quality":"inauspicious"},{"name":"Udveg","start":"14:54","end":"16:20","startHours":14.907307118842333,"endHours":16.33211148262464,"quality":"inauspicious"},{"name":"Chala","start":"16:20","end":"17:45","startHours":16.33211148262464,"endHours":17.75691584640695,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:45","end":"19:20","startHours":17.75691584640695,"endHours":19.33211148262464,"quality":"inauspicious"},{"name":"Udveg","start":"19:20","end":"20:54","startHours":19.33211148262464,"endHours":20.907307118842333,"quality":"inauspicious"},{"name":"Chala","start":"20:54","end":"22:29","startHours":20.907307118842333,"endHours":22.482502755060022,"quality":"neutral"},{"name":"Labha","start":"22:29","end":"00:03","startHours":22.482502755060022,"endHours":24.05769839127771,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:38","startHours":24.05769839127771,"endHours":25.632894027495404,"quality":"auspicious"},{"name":"Kāla","start":"01:38","end":"03:12","startHours":25.632894027495404,"endHours":27.208089663713093,"quality":"inauspicious"},{"name":"Śubha","start":"03:12","end":"04:47","startHours":27.208089663713093,"endHours":28.78328529993078,"quality":"auspicious"},{"name":"Roga","start":"04:47","end":"06:22","startHours":28.78328529993078,"endHours":30.358480936148474,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.3584809361484735,"endHours":7.3584809361484735,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.3584809361484735,"endHours":8.358480936148474,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.358480936148474,"endHours":9.358480936148474,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.358480936148474,"endHours":10.358480936148474,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.358480936148474,"endHours":11.358480936148474,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.358480936148474,"endHours":12.358480936148474,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.358480936148474,"endHours":13.358480936148474,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.358480936148474,"endHours":14.358480936148474,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.358480936148474,"endHours":15.358480936148474,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.358480936148474,"endHours":16.358480936148474,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.358480936148474,"endHours":17.358480936148474,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.358480936148474,"endHours":18.358480936148474,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.358480936148474,"endHours":19.358480936148474,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.358480936148474,"endHours":20.358480936148474,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.358480936148474,"endHours":21.358480936148474,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.358480936148474,"endHours":22.358480936148474,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.358480936148474,"endHours":23.358480936148474,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.358480936148474,"endHours":24.358480936148474,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.358480936148474,"endHours":25.358480936148474,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.358480936148474,"endHours":26.358480936148474,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.358480936148474,"endHours":27.358480936148474,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.358480936148474,"endHours":28.358480936148474,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.358480936148474,"endHours":29.358480936148474,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.358480936148474,"endHours":30.358480936148474,"planetary_lord":"Mars"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.595800853092243,"eotMinutes":7.723696523337262,"ayanamsa":19.1584}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Aṣṭamī · 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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"kanchipuram"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 7, 1663 CE · Kāñcīpuram · Vidhyamitra","description":"December 7, 1663 CE for Kāñcīpuram: Śukla Aṣṭamī, sūryodaya 06:22, sūryāsta 17:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kanchipuram/1663-12-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kanchipuram/1663-12-07","sa":"https://sa.vidhyamitra.com/city/kanchipuram/1663-12-07","hi":"https://hi.vidhyamitra.com/city/kanchipuram/1663-12-07","x-default":"https://vidhyamitra.com/city/kanchipuram/1663-12-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T19:20:47.561Z","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":"2026-06-04T19:20:47.561Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T19:20:47.561Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}