{"id":"vidhyamitra:city-day:kanchipuram:1663-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kanchipuram/1663-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-02-17","date_display":"February 17, 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":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328505.770833,"kali_year":4764,"ahargana":1740040.2708,"sun":{"sidereal_longitude":310.208,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":65.7891,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.5811,"elapsed_within_tithi_degrees":7.5811},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.7891,"elapsed_within_degrees":12.4558},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.9971},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328505.770833,"ahargana":1740040.2708,"kali_year":4764,"ayanamsa_lahiri":19.1472,"grahas":{"sun":{"sidereal_longitude":309.298714,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":64.11681399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-4.4095},"mars":{"sidereal_longitude":303.614014,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":318.50001399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":237.73571400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":315.36381400000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":241.17731400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":144.2928,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":324.2928,"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":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328505.770833,"kali_year":4764,"ahargana":1740040.2708,"sun":{"sidereal_longitude":310.208,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":65.7891,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.5811,"elapsed_within_tithi_degrees":7.5811},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.7891,"elapsed_within_degrees":12.4558},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.9971},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.41,"elongation":115.581},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.41,"opposition_distance":64.419}},"eclipse_window_40days":[{"offset_days":5,"type":"lunar","occurs":true,"moon_latitude":-0.642,"opposition_distance":0.558}]},"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":"06:33","sunsetLocal":"18:18","solarNoonLocal":"12:26","dayLengthHours":11.746056915530708,"dayLengthDisplay":"11 Hours 44 Mins 46 Secs","nightLengthDisplay":"12 Hours 15 Mins 14 Secs","moonriseLocal":"13:40","moonsetLocal":"02:30","rahuKala":{"name":"Rāhu Kāla","start":"09:29","end":"10:58","startHours":9.49145524363959,"endHours":10.959712358080928,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:22","startHours":13.896226586963607,"endHours":15.364483701404945,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:33","end":"08:01","startHours":6.554941014756913,"endHours":8.023198129198253,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:41","startHours":9.295687628380746,"endHours":9.687222858898435,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.044360052904026,"endHours":7.357588237318178,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:49","startHours":12.036434242004578,"endHours":12.819504703039957,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:59","end":"05:46","startHours":4.988800092686152,"endHours":5.7718705537215325,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:33","startHours":5.576102938462688,"endHours":6.554941014756913,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:10","startHours":14.385645625110719,"endHours":15.1687160861461,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.100997930287622,"endHours":18.50099793028762,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:47","startHours":18.300997930287622,"endHours":18.790416968434734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.050997930287622,"endHours":19.800997930287622,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:49","startHours":24.036434242004578,"endHours":24.819504703039957,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:33","end":"08:01","startHours":6.554941014756913,"endHours":8.023198129198253,"quality":"inauspicious"},{"name":"Śubha","start":"08:01","end":"09:29","startHours":8.023198129198253,"endHours":9.49145524363959,"quality":"auspicious"},{"name":"Roga","start":"09:29","end":"10:58","startHours":9.49145524363959,"endHours":10.959712358080928,"quality":"inauspicious"},{"name":"Udveg","start":"10:58","end":"12:26","startHours":10.959712358080928,"endHours":12.427969472522268,"quality":"inauspicious"},{"name":"Chala","start":"12:26","end":"13:54","startHours":12.427969472522268,"endHours":13.896226586963607,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:22","startHours":13.896226586963607,"endHours":15.364483701404945,"quality":"auspicious"},{"name":"Amṛta","start":"15:22","end":"16:50","startHours":15.364483701404945,"endHours":16.832740815846282,"quality":"auspicious"},{"name":"Kāla","start":"16:50","end":"18:18","startHours":16.832740815846282,"endHours":18.300997930287622,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:18","end":"19:50","startHours":18.300997930287622,"endHours":19.832740815846282,"quality":"auspicious"},{"name":"Amṛta","start":"19:50","end":"21:22","startHours":19.832740815846282,"endHours":21.364483701404943,"quality":"auspicious"},{"name":"Kāla","start":"21:22","end":"22:54","startHours":21.364483701404943,"endHours":22.896226586963607,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:26","startHours":22.896226586963607,"endHours":24.427969472522268,"quality":"auspicious"},{"name":"Roga","start":"00:26","end":"01:58","startHours":24.427969472522268,"endHours":25.959712358080928,"quality":"inauspicious"},{"name":"Udveg","start":"01:58","end":"03:29","startHours":25.959712358080928,"endHours":27.491455243639592,"quality":"inauspicious"},{"name":"Chala","start":"03:29","end":"05:01","startHours":27.491455243639592,"endHours":29.023198129198253,"quality":"neutral"},{"name":"Labha","start":"05:01","end":"06:33","startHours":29.023198129198253,"endHours":30.554941014756913,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:33","end":"07:33","startHours":6.554941014756913,"endHours":7.554941014756913,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:33","end":"08:33","startHours":7.554941014756913,"endHours":8.554941014756913,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:33","end":"09:33","startHours":8.554941014756913,"endHours":9.554941014756913,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:33","end":"10:33","startHours":9.554941014756913,"endHours":10.554941014756913,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:33","end":"11:33","startHours":10.554941014756913,"endHours":11.554941014756913,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:33","end":"12:33","startHours":11.554941014756913,"endHours":12.554941014756913,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:33","end":"13:33","startHours":12.554941014756913,"endHours":13.554941014756913,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:33","end":"14:33","startHours":13.554941014756913,"endHours":14.554941014756913,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:33","end":"15:33","startHours":14.554941014756913,"endHours":15.554941014756913,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:33","end":"16:33","startHours":15.554941014756913,"endHours":16.554941014756913,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:33","end":"17:33","startHours":16.554941014756913,"endHours":17.554941014756913,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:33","end":"18:33","startHours":17.554941014756913,"endHours":18.554941014756913,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:33","end":"19:33","startHours":18.554941014756913,"endHours":19.554941014756913,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:33","end":"20:33","startHours":19.554941014756913,"endHours":20.554941014756913,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:33","end":"21:33","startHours":20.554941014756913,"endHours":21.554941014756913,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:33","end":"22:33","startHours":21.554941014756913,"endHours":22.554941014756913,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:33","end":"23:33","startHours":22.554941014756913,"endHours":23.554941014756913,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:33","end":"00:33","startHours":23.554941014756913,"endHours":24.554941014756913,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:33","end":"01:33","startHours":24.554941014756913,"endHours":25.554941014756913,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:33","end":"02:33","startHours":25.554941014756913,"endHours":26.554941014756913,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:33","end":"03:33","startHours":26.554941014756913,"endHours":27.554941014756913,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:33","end":"04:33","startHours":27.554941014756913,"endHours":28.554941014756913,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:33","end":"05:33","startHours":28.554941014756913,"endHours":29.554941014756913,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:33","end":"06:33","startHours":29.554941014756913,"endHours":30.554941014756913,"planetary_lord":"Mercury"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.013061621899162,"eotMinutes":-14.492568351336082,"ayanamsa":19.1472}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Daśamī · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 February 17, 1663 CE · Kāñcīpuram · Vidhyamitra","description":"February 17, 1663 CE for Kāñcīpuram: Śukla Daśamī, sūryodaya 06:33, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kanchipuram/1663-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kanchipuram/1663-02-17","sa":"https://sa.vidhyamitra.com/city/kanchipuram/1663-02-17","hi":"https://hi.vidhyamitra.com/city/kanchipuram/1663-02-17","x-default":"https://vidhyamitra.com/city/kanchipuram/1663-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T04:23:24.370Z","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":"2026-06-05T04:23:24.370Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T04:23:24.370Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}