{"id":"vidhyamitra:city-day:chicago:2012-08-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-08-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-08-23","date_display":"August 23, 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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456162.770833,"kali_year":5114,"ahargana":1867697.2708,"sun":{"sidereal_longitude":125.6101,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":194.6279,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.0179,"elapsed_within_tithi_degrees":9.0179},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.6279,"elapsed_within_degrees":7.9613},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.238},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456162.770833,"ahargana":1867697.2708,"kali_year":5114,"ayanamsa_lahiri":24.0296,"grahas":{"sun":{"sidereal_longitude":126.29237799999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":196.07287799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":-1.9557},"mars":{"sidereal_longitude":185.41997800000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":109.51517799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":49.22397799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":80.49687800000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":181.145078,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":220.4106,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.4106,"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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456162.770833,"kali_year":5114,"ahargana":1867697.2708,"sun":{"sidereal_longitude":125.6101,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":194.6279,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.0179,"elapsed_within_tithi_degrees":9.0179},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.6279,"elapsed_within_degrees":7.9613},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.238},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.956,"elongation":69.018},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.956,"opposition_distance":110.982}},"eclipse_window_40days":[]},"city":{"slug":"chicago","name":"Chicago, USA","lat":41.8781,"lon":-87.6298,"tz_offset_hours":-6,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"chicago","name":"Chicago, USA","lat":41.8781,"lon":-87.6298,"tz_offset_hours":-6,"country":"US","tier":"diaspora"},"sunriseLocal":"05:07","sunsetLocal":"18:39","solarNoonLocal":"11:53","dayLengthHours":13.53825345120358,"dayLengthDisplay":"13 Hours 32 Mins 18 Secs","nightLengthDisplay":"10 Hours 27 Mins 42 Secs","moonriseLocal":"11:24","moonsetLocal":"21:40","rahuKala":{"name":"Rāhu Kāla","start":"13:34","end":"15:16","startHours":13.572077876664178,"endHours":15.264359558064626,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:07","end":"06:48","startHours":5.11066946966194,"endHours":6.802951151062388,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:30","end":"10:11","startHours":8.495232832462836,"endHours":10.187514513863283,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:16","end":"08:43","startHours":8.269595274942775,"endHours":8.720870389982895,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.674763363462089,"endHours":6.035783455494185,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:20","startHours":11.42852108022361,"endHours":12.331071310303848,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:18","end":"04:12","startHours":3.305569009501463,"endHours":4.208119239581701,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:59","end":"05:07","startHours":3.9824816820616418,"endHours":5.11066946966194,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"15:02","startHours":14.136171770464326,"endHours":15.038722000544565,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.44892292086552,"endHours":18.84892292086552,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:13","startHours":18.64892292086552,"endHours":19.213016814665668,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.39892292086552,"endHours":20.14892292086552,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:20","startHours":23.42852108022361,"endHours":24.331071310303848,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:07","end":"06:48","startHours":5.11066946966194,"endHours":6.802951151062388,"quality":"auspicious"},{"name":"Roga","start":"06:48","end":"08:30","startHours":6.802951151062388,"endHours":8.495232832462836,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"10:11","startHours":8.495232832462836,"endHours":10.187514513863283,"quality":"inauspicious"},{"name":"Chala","start":"10:11","end":"11:53","startHours":10.187514513863283,"endHours":11.87979619526373,"quality":"neutral"},{"name":"Labha","start":"11:53","end":"13:34","startHours":11.87979619526373,"endHours":13.572077876664178,"quality":"auspicious"},{"name":"Amṛta","start":"13:34","end":"15:16","startHours":13.572077876664178,"endHours":15.264359558064626,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:57","startHours":15.264359558064626,"endHours":16.95664123946507,"quality":"inauspicious"},{"name":"Śubha","start":"16:57","end":"18:39","startHours":16.95664123946507,"endHours":18.64892292086552,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:39","end":"19:57","startHours":18.64892292086552,"endHours":19.95664123946507,"quality":"auspicious"},{"name":"Kāla","start":"19:57","end":"21:16","startHours":19.95664123946507,"endHours":21.264359558064626,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:34","startHours":21.264359558064626,"endHours":22.572077876664178,"quality":"auspicious"},{"name":"Roga","start":"22:34","end":"23:53","startHours":22.572077876664178,"endHours":23.87979619526373,"quality":"inauspicious"},{"name":"Udveg","start":"23:53","end":"01:11","startHours":23.87979619526373,"endHours":25.18751451386328,"quality":"inauspicious"},{"name":"Chala","start":"01:11","end":"02:30","startHours":25.18751451386328,"endHours":26.495232832462833,"quality":"neutral"},{"name":"Labha","start":"02:30","end":"03:48","startHours":26.495232832462833,"endHours":27.802951151062388,"quality":"auspicious"},{"name":"Amṛta","start":"03:48","end":"05:07","startHours":27.802951151062388,"endHours":29.11066946966194,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.11066946966194,"endHours":6.11066946966194,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.11066946966194,"endHours":7.11066946966194,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.11066946966194,"endHours":8.11066946966194,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.11066946966194,"endHours":9.11066946966194,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.11066946966194,"endHours":10.11066946966194,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.11066946966194,"endHours":11.11066946966194,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.11066946966194,"endHours":12.11066946966194,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.11066946966194,"endHours":13.11066946966194,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.11066946966194,"endHours":14.11066946966194,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.11066946966194,"endHours":15.11066946966194,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.11066946966194,"endHours":16.11066946966194,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.11066946966194,"endHours":17.11066946966194,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.11066946966194,"endHours":18.11066946966194,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.11066946966194,"endHours":19.11066946966194,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.11066946966194,"endHours":20.11066946966194,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.11066946966194,"endHours":21.11066946966194,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.11066946966194,"endHours":22.11066946966194,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.11066946966194,"endHours":23.11066946966194,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.11066946966194,"endHours":24.11066946966194,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.11066946966194,"endHours":25.11066946966194,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.11066946966194,"endHours":26.11066946966194,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.11066946966194,"endHours":27.11066946966194,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.11066946966194,"endHours":28.11066946966194,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.11066946966194,"endHours":29.11066946966194,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.357342360347893,"eotMinutes":-2.2685717158237404,"ayanamsa":24.0296}},"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 Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":"chicago"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 23, 2012 CE · Chicago, USA · Vidhyamitra","description":"August 23, 2012 CE for Chicago, USA: Śukla Ṣaṣṭhī, sūryodaya 05:07, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-08-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-08-23","sa":"https://sa.vidhyamitra.com/city/chicago/2012-08-23","hi":"https://hi.vidhyamitra.com/city/chicago/2012-08-23","x-default":"https://vidhyamitra.com/city/chicago/2012-08-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T21:02:15.302Z","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":"2026-05-22T21:02:15.302Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T21:02:15.302Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}