{"id":"vidhyamitra:city-day:chicago:2012-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-08-31","date_display":"August 31, 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":"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":2012,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456170.770833,"kali_year":5114,"ahargana":1867705.2708,"sun":{"sidereal_longitude":133.3012,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":308.3663,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.0652,"elapsed_within_tithi_degrees":7.0652},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":308.3663,"elapsed_within_degrees":1.6997},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.6675},"karana":{"half_tithi_index":29,"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":2012,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456170.770833,"ahargana":1867705.2708,"kali_year":5114,"ayanamsa_lahiri":24.0299,"grahas":{"sun":{"sidereal_longitude":134.01557200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":307.34977200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":4.4982},"mars":{"sidereal_longitude":190.58007199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":123.77997200000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":50.141772,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":88.75267199999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":181.85977200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":219.9867,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.9867,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"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":2012,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456170.770833,"kali_year":5114,"ahargana":1867705.2708,"sun":{"sidereal_longitude":133.3012,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":308.3663,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.0652,"elapsed_within_tithi_degrees":7.0652},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":308.3663,"elapsed_within_degrees":1.6997},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.6675},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":175.065},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":4.935}},"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":"05:15","sunsetLocal":"18:26","solarNoonLocal":"11:50","dayLengthHours":13.185524666379287,"dayLengthDisplay":"13 Hours 11 Mins 08 Secs","nightLengthDisplay":"10 Hours 48 Mins 52 Secs","moonriseLocal":"18:01","moonsetLocal":"04:47","rahuKala":{"name":"Rāhu Kāla","start":"10:11","end":"11:50","startHours":10.191369591312801,"endHours":11.839560174610213,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:08","end":"16:47","startHours":15.135941341205033,"endHours":16.784131924502447,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:54","end":"08:33","startHours":6.89498842471798,"endHours":8.54317900801539,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:19","end":"08:46","startHours":8.323420263575736,"endHours":8.762937752455045,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:09","startHours":5.796194702519705,"endHours":6.147808693623153,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:17","startHours":11.400042685730904,"endHours":12.279077663489522,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:22","startHours":3.48872788590333,"endHours":4.36776286366195,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:15","startHours":4.1480041192222945,"endHours":5.246797841420569,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:55","startHours":14.03714761900676,"endHours":14.91618259676538,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.232322507799857,"endHours":18.632322507799856,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:59","startHours":18.432322507799856,"endHours":18.981719368898993,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.182322507799856,"endHours":19.932322507799856,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:17","startHours":23.400042685730902,"endHours":24.279077663489524,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:15","end":"06:54","startHours":5.246797841420569,"endHours":6.89498842471798,"quality":"neutral"},{"name":"Labha","start":"06:54","end":"08:33","startHours":6.89498842471798,"endHours":8.54317900801539,"quality":"auspicious"},{"name":"Amṛta","start":"08:33","end":"10:11","startHours":8.54317900801539,"endHours":10.191369591312801,"quality":"auspicious"},{"name":"Kāla","start":"10:11","end":"11:50","startHours":10.191369591312801,"endHours":11.839560174610213,"quality":"inauspicious"},{"name":"Śubha","start":"11:50","end":"13:29","startHours":11.839560174610213,"endHours":13.487750757907623,"quality":"auspicious"},{"name":"Roga","start":"13:29","end":"15:08","startHours":13.487750757907623,"endHours":15.135941341205033,"quality":"inauspicious"},{"name":"Udveg","start":"15:08","end":"16:47","startHours":15.135941341205033,"endHours":16.784131924502447,"quality":"inauspicious"},{"name":"Chala","start":"16:47","end":"18:26","startHours":16.784131924502447,"endHours":18.432322507799856,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:26","end":"19:47","startHours":18.432322507799856,"endHours":19.784131924502447,"quality":"inauspicious"},{"name":"Udveg","start":"19:47","end":"21:08","startHours":19.784131924502447,"endHours":21.135941341205033,"quality":"inauspicious"},{"name":"Chala","start":"21:08","end":"22:29","startHours":21.135941341205033,"endHours":22.487750757907623,"quality":"neutral"},{"name":"Labha","start":"22:29","end":"23:50","startHours":22.487750757907623,"endHours":23.839560174610213,"quality":"auspicious"},{"name":"Amṛta","start":"23:50","end":"01:11","startHours":23.839560174610213,"endHours":25.191369591312803,"quality":"auspicious"},{"name":"Kāla","start":"01:11","end":"02:33","startHours":25.191369591312803,"endHours":26.543179008015393,"quality":"inauspicious"},{"name":"Śubha","start":"02:33","end":"03:54","startHours":26.543179008015393,"endHours":27.89498842471798,"quality":"auspicious"},{"name":"Roga","start":"03:54","end":"05:15","startHours":27.89498842471798,"endHours":29.24679784142057,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.246797841420569,"endHours":6.246797841420569,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.246797841420569,"endHours":7.246797841420569,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.246797841420569,"endHours":8.24679784142057,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.24679784142057,"endHours":9.24679784142057,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.24679784142057,"endHours":10.24679784142057,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.24679784142057,"endHours":11.24679784142057,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.24679784142057,"endHours":12.24679784142057,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.24679784142057,"endHours":13.24679784142057,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.24679784142057,"endHours":14.24679784142057,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.24679784142057,"endHours":15.24679784142057,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.24679784142057,"endHours":16.24679784142057,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.24679784142057,"endHours":17.24679784142057,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.24679784142057,"endHours":18.24679784142057,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.24679784142057,"endHours":19.24679784142057,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.24679784142057,"endHours":20.24679784142057,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.24679784142057,"endHours":21.24679784142057,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.24679784142057,"endHours":22.24679784142057,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.24679784142057,"endHours":23.24679784142057,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.24679784142057,"endHours":24.24679784142057,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.24679784142057,"endHours":25.24679784142057,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.24679784142057,"endHours":26.24679784142057,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.24679784142057,"endHours":27.24679784142057,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.24679784142057,"endHours":28.24679784142057,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.24679784142057,"endHours":29.24679784142057,"planetary_lord":"Mars"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.55162529891817,"eotMinutes":0.14558952338733633,"ayanamsa":24.0299}},"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 Pūrṇimā · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"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":"Śukravāra (Friday) — 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 31, 2012 CE · Chicago, USA · Vidhyamitra","description":"August 31, 2012 CE for Chicago, USA: Śukla Pūrṇimā, sūryodaya 05:15, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-08-31","sa":"https://sa.vidhyamitra.com/city/chicago/2012-08-31","hi":"https://hi.vidhyamitra.com/city/chicago/2012-08-31","x-default":"https://vidhyamitra.com/city/chicago/2012-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T08:59:58.411Z","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":"2026-09-05T08:59:58.411Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T08:59:58.411Z","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":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","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"}}}