{"id":"vidhyamitra:city-day:chennai:2012-08-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chennai/2012-08-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-08-19","date_display":"August 19, 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":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456158.770833,"kali_year":5114,"ahargana":1867693.2708,"sun":{"sidereal_longitude":121.7764,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.2286,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":16.4522,"elapsed_within_tithi_degrees":4.4522},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.2286,"elapsed_within_degrees":4.8953},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.005},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456158.770833,"ahargana":1867693.2708,"kali_year":5114,"ayanamsa_lahiri":24.0295,"grahas":{"sun":{"sidereal_longitude":122.44033000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":139.86233,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-4.4603},"mars":{"sidereal_longitude":182.88172999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":103.90863000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":48.70682999999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":76.50612999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":180.81363,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":220.6225,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.6225,"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":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456158.770833,"kali_year":5114,"ahargana":1867693.2708,"sun":{"sidereal_longitude":121.7764,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.2286,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":16.4522,"elapsed_within_tithi_degrees":4.4522},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.2286,"elapsed_within_degrees":4.8953},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.005},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.46,"elongation":16.452},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.46,"opposition_distance":163.548}},"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":"05:57","sunsetLocal":"18:28","solarNoonLocal":"12:12","dayLengthHours":12.517074853659118,"dayLengthDisplay":"12 Hours 31 Mins 01 Secs","nightLengthDisplay":"11 Hours 28 Mins 59 Secs","moonriseLocal":"07:14","moonsetLocal":"19:30","rahuKala":{"name":"Rāhu Kāla","start":"16:54","end":"18:28","startHours":16.89741421356096,"endHours":18.46204857026835,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:12","end":"13:46","startHours":12.203511143438792,"endHours":13.768145500146181,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"16:54","startHours":15.33277985685357,"endHours":16.89741421356096,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:17","startHours":8.865624515796359,"endHours":9.282860344251663,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:48","startHours":6.466518502178363,"endHours":6.8003071649426055,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:37","startHours":11.786275314983488,"endHours":12.620746971894096,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:07","startHours":4.276030402788017,"endHours":5.110502059698625,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:57","startHours":4.901884145470973,"endHours":5.9449737166092325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:07","startHours":14.289690285715313,"endHours":15.124161942625921,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.26204857026835,"endHours":18.66204857026835,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:59","startHours":18.46204857026835,"endHours":18.98359335583748,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.21204857026835,"endHours":19.96204857026835,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:37","startHours":23.786275314983488,"endHours":24.620746971894096,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:57","end":"07:31","startHours":5.9449737166092325,"endHours":7.509608073316622,"quality":"inauspicious"},{"name":"Chala","start":"07:31","end":"09:04","startHours":7.509608073316622,"endHours":9.074242430024011,"quality":"neutral"},{"name":"Labha","start":"09:04","end":"10:38","startHours":9.074242430024011,"endHours":10.638876786731402,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"12:12","startHours":10.638876786731402,"endHours":12.203511143438792,"quality":"auspicious"},{"name":"Kāla","start":"12:12","end":"13:46","startHours":12.203511143438792,"endHours":13.768145500146181,"quality":"inauspicious"},{"name":"Śubha","start":"13:46","end":"15:20","startHours":13.768145500146181,"endHours":15.33277985685357,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"16:54","startHours":15.33277985685357,"endHours":16.89741421356096,"quality":"inauspicious"},{"name":"Udveg","start":"16:54","end":"18:28","startHours":16.89741421356096,"endHours":18.46204857026835,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:28","end":"19:54","startHours":18.46204857026835,"endHours":19.89741421356096,"quality":"auspicious"},{"name":"Roga","start":"19:54","end":"21:20","startHours":19.89741421356096,"endHours":21.33277985685357,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"22:46","startHours":21.33277985685357,"endHours":22.768145500146183,"quality":"inauspicious"},{"name":"Chala","start":"22:46","end":"00:12","startHours":22.768145500146183,"endHours":24.203511143438792,"quality":"neutral"},{"name":"Labha","start":"00:12","end":"01:38","startHours":24.203511143438792,"endHours":25.6388767867314,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"03:04","startHours":25.6388767867314,"endHours":27.074242430024015,"quality":"auspicious"},{"name":"Kāla","start":"03:04","end":"04:31","startHours":27.074242430024015,"endHours":28.509608073316624,"quality":"inauspicious"},{"name":"Śubha","start":"04:31","end":"05:57","startHours":28.509608073316624,"endHours":29.944973716609233,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.9449737166092325,"endHours":6.9449737166092325,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.9449737166092325,"endHours":7.9449737166092325,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.9449737166092325,"endHours":8.944973716609233,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.944973716609233,"endHours":9.944973716609233,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.944973716609233,"endHours":10.944973716609233,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.944973716609233,"endHours":11.944973716609233,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.944973716609233,"endHours":12.944973716609233,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.944973716609233,"endHours":13.944973716609233,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.944973716609233,"endHours":14.944973716609233,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.944973716609233,"endHours":15.944973716609233,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.944973716609233,"endHours":16.944973716609233,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.944973716609233,"endHours":17.944973716609233,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.944973716609233,"endHours":18.944973716609233,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.944973716609233,"endHours":19.944973716609233,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.944973716609233,"endHours":20.944973716609233,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.944973716609233,"endHours":21.944973716609233,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.944973716609233,"endHours":22.944973716609233,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.944973716609233,"endHours":23.944973716609233,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.944973716609233,"endHours":24.944973716609233,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.944973716609233,"endHours":25.944973716609233,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.944973716609233,"endHours":26.944973716609233,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.944973716609233,"endHours":27.944973716609233,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.944973716609233,"endHours":28.944973716609233,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.944973716609233,"endHours":29.944973716609233,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.69128794165917,"eotMinutes":-3.2934686063275223,"ayanamsa":24.0295}},"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 (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Śukla Dvitīyā · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 19, 2012 CE · Chennai, Tamil Nadu · Vidhyamitra","description":"August 19, 2012 CE for Chennai, Tamil Nadu: Śukla Dvitīyā, sūryodaya 05:57, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chennai/2012-08-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chennai/2012-08-19","sa":"https://sa.vidhyamitra.com/city/chennai/2012-08-19","hi":"https://hi.vidhyamitra.com/city/chennai/2012-08-19","x-default":"https://vidhyamitra.com/city/chennai/2012-08-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T14:22:20.532Z","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":"2026-06-02T14:22:20.532Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T14:22:20.532Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}