{"id":"vidhyamitra:city-day:chennai:2012-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chennai/2012-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-08-16","date_display":"August 16, 2012 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":2012,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456155.770833,"kali_year":5114,"ahargana":1867690.2708,"sun":{"sidereal_longitude":118.9059,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":98.3675,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":339.4616,"elapsed_within_tithi_degrees":3.4616},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.3675,"elapsed_within_degrees":5.0342},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.2734},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2012,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456155.770833,"ahargana":1867690.2708,"kali_year":5114,"ayanamsa_lahiri":24.0293,"grahas":{"sun":{"sidereal_longitude":119.55514499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":99.713345,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-3.7978},"mars":{"sidereal_longitude":180.99694499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":100.71264500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":48.29514499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":73.58214499999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":180.577045,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":220.7815,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.7815,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456155.770833,"kali_year":5114,"ahargana":1867690.2708,"sun":{"sidereal_longitude":118.9059,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":98.3675,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":339.4616,"elapsed_within_tithi_degrees":3.4616},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.3675,"elapsed_within_degrees":5.0342},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.2734},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.798,"elongation":20.538},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.798,"opposition_distance":159.462}},"eclipse_window_40days":[]},"city":{"slug":"chennai","name":"Chennai, Tamil Nadu","lat":13.0827,"lon":80.2707,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"mega","elevation_m":6},"tier2":{"city":{"slug":"chennai","name":"Chennai, Tamil Nadu","lat":13.0827,"lon":80.2707,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"mega","elevation_m":6},"sunriseLocal":"05:56","sunsetLocal":"18:29","solarNoonLocal":"12:13","dayLengthHours":12.549178001350786,"dayLengthDisplay":"12 Hours 32 Mins 57 Secs","nightLengthDisplay":"11 Hours 27 Mins 03 Secs","moonriseLocal":"04:32","moonsetLocal":"17:15","rahuKala":{"name":"Rāhu Kāla","start":"13:47","end":"15:21","startHours":13.783431510121053,"endHours":15.352078760289903,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:56","end":"07:31","startHours":5.940195259276813,"endHours":7.50884250944566,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:39","startHours":9.077489759614508,"endHours":10.646137009783358,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:17","startHours":8.86833679292533,"endHours":9.28664272630369,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:48","startHours":6.463077675999762,"endHours":6.797722422702449,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.796478326573846,"endHours":12.633090193330565,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:06","startHours":4.266971525763374,"endHours":5.103583392520093,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:56","startHours":4.8944304258309135,"endHours":5.940195259276813,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:09","startHours":14.306313926844004,"endHours":15.142925793600723,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.2893732606276,"endHours":18.689373260627598,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:01","startHours":18.4893732606276,"endHours":19.01225567735055,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.2393732606276,"endHours":19.9893732606276,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.796478326573844,"endHours":24.633090193330563,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:56","end":"07:31","startHours":5.940195259276813,"endHours":7.50884250944566,"quality":"auspicious"},{"name":"Roga","start":"07:31","end":"09:05","startHours":7.50884250944566,"endHours":9.077489759614508,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:39","startHours":9.077489759614508,"endHours":10.646137009783358,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:13","startHours":10.646137009783358,"endHours":12.214784259952205,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:47","startHours":12.214784259952205,"endHours":13.783431510121053,"quality":"auspicious"},{"name":"Amṛta","start":"13:47","end":"15:21","startHours":13.783431510121053,"endHours":15.352078760289903,"quality":"auspicious"},{"name":"Kāla","start":"15:21","end":"16:55","startHours":15.352078760289903,"endHours":16.92072601045875,"quality":"inauspicious"},{"name":"Śubha","start":"16:55","end":"18:29","startHours":16.92072601045875,"endHours":18.4893732606276,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:29","end":"19:55","startHours":18.4893732606276,"endHours":19.92072601045875,"quality":"auspicious"},{"name":"Kāla","start":"19:55","end":"21:21","startHours":19.92072601045875,"endHours":21.352078760289903,"quality":"inauspicious"},{"name":"Śubha","start":"21:21","end":"22:47","startHours":21.352078760289903,"endHours":22.783431510121055,"quality":"auspicious"},{"name":"Roga","start":"22:47","end":"00:13","startHours":22.783431510121055,"endHours":24.214784259952204,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:39","startHours":24.214784259952204,"endHours":25.64613700978336,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"03:05","startHours":25.64613700978336,"endHours":27.077489759614508,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:31","startHours":27.077489759614508,"endHours":28.50884250944566,"quality":"auspicious"},{"name":"Amṛta","start":"04:31","end":"05:56","startHours":28.50884250944566,"endHours":29.940195259276813,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.940195259276813,"endHours":6.940195259276813,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.940195259276813,"endHours":7.940195259276813,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.940195259276813,"endHours":8.940195259276813,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.940195259276813,"endHours":9.940195259276813,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.940195259276813,"endHours":10.940195259276813,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.940195259276813,"endHours":11.940195259276813,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.940195259276813,"endHours":12.940195259276813,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.940195259276813,"endHours":13.940195259276813,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.940195259276813,"endHours":14.940195259276813,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.940195259276813,"endHours":15.940195259276813,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.940195259276813,"endHours":16.940195259276813,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.940195259276813,"endHours":17.940195259276813,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.940195259276813,"endHours":18.940195259276813,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.940195259276813,"endHours":19.940195259276813,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.940195259276813,"endHours":20.940195259276813,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.940195259276813,"endHours":21.940195259276813,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.940195259276813,"endHours":22.940195259276813,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.940195259276813,"endHours":23.940195259276813,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.940195259276813,"endHours":24.940195259276813,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.940195259276813,"endHours":25.940195259276813,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.940195259276813,"endHours":26.940195259276813,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.940195259276813,"endHours":27.940195259276813,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.940195259276813,"endHours":28.940195259276813,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.940195259276813,"endHours":29.940195259276813,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.656995107278533,"eotMinutes":-3.969855597132357,"ayanamsa":24.0293}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Caturdaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"chennai"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 16, 2012 CE · Chennai, Tamil Nadu · Vidhyamitra","description":"August 16, 2012 CE for Chennai, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 05:56, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chennai/2012-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chennai/2012-08-16","sa":"https://sa.vidhyamitra.com/city/chennai/2012-08-16","hi":"https://hi.vidhyamitra.com/city/chennai/2012-08-16","x-default":"https://vidhyamitra.com/city/chennai/2012-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:47:45.345Z","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":"2026-06-02T09:47:45.345Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:47:45.345Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}