{"id":"vidhyamitra:city-day:kanchipuram:-3187-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kanchipuram/-3187-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3187-12-18","date_display":"December 18, 3188 BCE","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3187,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557357.770833,"kali_year":-85,"ahargana":-31107.7292,"sun":{"sidereal_longitude":301.8098,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":160.0054,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.1956,"elapsed_within_tithi_degrees":2.1956},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":160.0054,"elapsed_within_degrees":0.0054},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.8152},"karana":{"half_tithi_index":36,"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":-3187,"month":12,"day":18,"hour":6,"minute":30,"calendar":"julian"},"julian_day":557357.770833,"ahargana":-31107.7292,"kali_year":-85,"ayanamsa_lahiri":-48.5926,"grahas":{"sun":{"sidereal_longitude":301.8098,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":160.0054,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":3.3548},"mars":{"sidereal_longitude":270.1136,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":283.7695,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":293.2169,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":261.5173,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":29.8659,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":28.2372,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.2372,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3187,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557357.770833,"kali_year":-85,"ahargana":-31107.7292,"sun":{"sidereal_longitude":301.8098,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":160.0054,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.1956,"elapsed_within_tithi_degrees":2.1956},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":160.0054,"elapsed_within_degrees":0.0054},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.8152},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.355,"elongation":141.804},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.355,"opposition_distance":38.196}},"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":"06:26","sunsetLocal":"17:51","solarNoonLocal":"12:08","dayLengthHours":11.405849738382502,"dayLengthDisplay":"11 Hours 24 Mins 21 Secs","nightLengthDisplay":"12 Hours 35 Mins 39 Secs","moonriseLocal":"20:18","moonsetLocal":"09:05","rahuKala":{"name":"Rāhu Kāla","start":"10:43","end":"12:08","startHours":10.714233326899834,"endHours":12.139964544197646,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:59","end":"16:25","startHours":14.991426978793271,"endHours":16.417158196091084,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:52","end":"09:17","startHours":7.862770892304207,"endHours":9.28850210960202,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:29","startHours":9.098404613962312,"endHours":9.478599605241728,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:13","startHours":6.912283414105665,"endHours":7.216439407129198,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:31","startHours":11.759769552918229,"endHours":12.520159535477063,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:41","startHours":4.9162597098887275,"endHours":5.676649692447561,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:29","end":"06:26","startHours":5.486552196807852,"endHours":6.437039675006394,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:48","startHours":14.040939500594728,"endHours":14.801329483153562,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.642889413388897,"endHours":18.042889413388895,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:19","startHours":17.842889413388896,"endHours":18.318133152488166,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.592889413388896,"endHours":19.342889413388896,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:31","startHours":23.75976955291823,"endHours":24.520159535477063,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:26","end":"07:52","startHours":6.437039675006394,"endHours":7.862770892304207,"quality":"neutral"},{"name":"Labha","start":"07:52","end":"09:17","startHours":7.862770892304207,"endHours":9.28850210960202,"quality":"auspicious"},{"name":"Amṛta","start":"09:17","end":"10:43","startHours":9.28850210960202,"endHours":10.714233326899834,"quality":"auspicious"},{"name":"Kāla","start":"10:43","end":"12:08","startHours":10.714233326899834,"endHours":12.139964544197646,"quality":"inauspicious"},{"name":"Śubha","start":"12:08","end":"13:34","startHours":12.139964544197646,"endHours":13.565695761495459,"quality":"auspicious"},{"name":"Roga","start":"13:34","end":"14:59","startHours":13.565695761495459,"endHours":14.991426978793271,"quality":"inauspicious"},{"name":"Udveg","start":"14:59","end":"16:25","startHours":14.991426978793271,"endHours":16.417158196091084,"quality":"inauspicious"},{"name":"Chala","start":"16:25","end":"17:51","startHours":16.417158196091084,"endHours":17.842889413388896,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:51","end":"19:25","startHours":17.842889413388896,"endHours":19.417158196091084,"quality":"inauspicious"},{"name":"Udveg","start":"19:25","end":"20:59","startHours":19.417158196091084,"endHours":20.99142697879327,"quality":"inauspicious"},{"name":"Chala","start":"20:59","end":"22:34","startHours":20.99142697879327,"endHours":22.56569576149546,"quality":"neutral"},{"name":"Labha","start":"22:34","end":"00:08","startHours":22.56569576149546,"endHours":24.139964544197646,"quality":"auspicious"},{"name":"Amṛta","start":"00:08","end":"01:43","startHours":24.139964544197646,"endHours":25.714233326899834,"quality":"auspicious"},{"name":"Kāla","start":"01:43","end":"03:17","startHours":25.714233326899834,"endHours":27.28850210960202,"quality":"inauspicious"},{"name":"Śubha","start":"03:17","end":"04:52","startHours":27.28850210960202,"endHours":28.862770892304205,"quality":"auspicious"},{"name":"Roga","start":"04:52","end":"06:26","startHours":28.862770892304205,"endHours":30.437039675006396,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.437039675006394,"endHours":7.437039675006394,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.437039675006394,"endHours":8.437039675006394,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.437039675006394,"endHours":9.437039675006394,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.437039675006394,"endHours":10.437039675006394,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.437039675006394,"endHours":11.437039675006394,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.437039675006394,"endHours":12.437039675006394,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.437039675006394,"endHours":13.437039675006394,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.437039675006394,"endHours":14.437039675006394,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.437039675006394,"endHours":15.437039675006394,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.437039675006394,"endHours":16.437039675006396,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.437039675006396,"endHours":17.437039675006396,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.437039675006396,"endHours":18.437039675006396,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.437039675006396,"endHours":19.437039675006396,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.437039675006396,"endHours":20.437039675006396,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.437039675006396,"endHours":21.437039675006396,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.437039675006396,"endHours":22.437039675006396,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.437039675006396,"endHours":23.437039675006396,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.437039675006396,"endHours":24.437039675006396,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.437039675006396,"endHours":25.437039675006396,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.437039675006396,"endHours":26.437039675006396,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.437039675006396,"endHours":27.437039675006396,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.437039675006396,"endHours":28.437039675006396,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.437039675006396,"endHours":29.437039675006396,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.437039675006396,"endHours":30.437039675006396,"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":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.38272062042177,"eotMinutes":2.787727348141232,"ayanamsa":-48.5926}},"calendars":{"vikram_samvat":-3130,"saka_samvat":-3265,"bengali_samvat":-3780,"malayalam_era":-4011,"nanakshahi_year":-4656,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa 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 Kṛṣṇa Caturthī · Vikram -3130 undefined · Śaka -3265 undefined"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"Dedicated festival walk for Saṅkaṣṭī Caturthī is not live yet; Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"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 18, 3188 BCE · Kāñcīpuram · Vidhyamitra","description":"December 18, 3188 BCE for Kāñcīpuram: Kṛṣṇa Caturthī, sūryodaya 06:26, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kanchipuram/-3187-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kanchipuram/-3187-12-18","sa":"https://sa.vidhyamitra.com/city/kanchipuram/-3187-12-18","hi":"https://hi.vidhyamitra.com/city/kanchipuram/-3187-12-18","x-default":"https://vidhyamitra.com/city/kanchipuram/-3187-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-12T03:29:21.360Z","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":"2026-08-12T03:29:21.360Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-12T03:29:21.360Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}