{"id":"vidhyamitra:city-day:chicago:2012-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-08-20","date_display":"August 20, 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":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456159.770833,"kali_year":5114,"ahargana":1867694.2708,"sun":{"sidereal_longitude":122.7341,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.0523,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.3182,"elapsed_within_tithi_degrees":5.3182},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.0523,"elapsed_within_degrees":5.3856},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.7864},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456159.770833,"ahargana":1867694.2708,"kali_year":5114,"ayanamsa_lahiri":24.0295,"grahas":{"sun":{"sidereal_longitude":123.40279199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":153.74249199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-4.1868},"mars":{"sidereal_longitude":183.51359200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":105.17679199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":48.83959199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":77.49429199999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":180.89479200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":220.5696,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.5696,"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":"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":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456159.770833,"kali_year":5114,"ahargana":1867694.2708,"sun":{"sidereal_longitude":122.7341,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.0523,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.3182,"elapsed_within_tithi_degrees":5.3182},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.0523,"elapsed_within_degrees":5.3856},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.7864},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.187,"elongation":29.318},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.187,"opposition_distance":150.682}},"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":"05:04","sunsetLocal":"18:44","solarNoonLocal":"11:54","dayLengthHours":13.667114888684608,"dayLengthDisplay":"13 Hours 40 Mins 02 Secs","nightLengthDisplay":"10 Hours 19 Mins 58 Secs","moonriseLocal":"07:49","moonsetLocal":"20:01","rahuKala":{"name":"Rāhu Kāla","start":"06:46","end":"08:29","startHours":6.767652098585445,"endHours":8.47604145967102,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:11","end":"11:54","startHours":10.184430820756596,"endHours":11.892820181842172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:36","end":"15:19","startHours":13.601209542927748,"endHours":15.309598904013324,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:42","startHours":8.248256211526277,"endHours":8.703826707815765,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:38","end":"06:00","startHours":5.628725857861728,"endHours":5.993182254893317,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:21","startHours":11.437249685552684,"endHours":12.34839067813166,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:14","end":"04:09","startHours":3.236980752341921,"endHours":4.1481217449208945,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:55","end":"05:04","startHours":3.9203364967761516,"endHours":5.059262737499869,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:05","startHours":14.170672663289608,"endHours":15.081813655868581,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.526377626184477,"endHours":18.926377626184475,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:18","startHours":18.726377626184476,"endHours":19.295840746546336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.476377626184476,"endHours":20.226377626184476,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:21","startHours":23.437249685552686,"endHours":24.348390678131658,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:04","end":"06:46","startHours":5.059262737499869,"endHours":6.767652098585445,"quality":"auspicious"},{"name":"Kāla","start":"06:46","end":"08:29","startHours":6.767652098585445,"endHours":8.47604145967102,"quality":"inauspicious"},{"name":"Śubha","start":"08:29","end":"10:11","startHours":8.47604145967102,"endHours":10.184430820756596,"quality":"auspicious"},{"name":"Roga","start":"10:11","end":"11:54","startHours":10.184430820756596,"endHours":11.892820181842172,"quality":"inauspicious"},{"name":"Udveg","start":"11:54","end":"13:36","startHours":11.892820181842172,"endHours":13.601209542927748,"quality":"inauspicious"},{"name":"Chala","start":"13:36","end":"15:19","startHours":13.601209542927748,"endHours":15.309598904013324,"quality":"neutral"},{"name":"Labha","start":"15:19","end":"17:01","startHours":15.309598904013324,"endHours":17.0179882650989,"quality":"auspicious"},{"name":"Amṛta","start":"17:01","end":"18:44","startHours":17.0179882650989,"endHours":18.726377626184476,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:44","end":"20:01","startHours":18.726377626184476,"endHours":20.0179882650989,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:19","startHours":20.0179882650989,"endHours":21.309598904013324,"quality":"auspicious"},{"name":"Amṛta","start":"21:19","end":"22:36","startHours":21.309598904013324,"endHours":22.601209542927748,"quality":"auspicious"},{"name":"Kāla","start":"22:36","end":"23:54","startHours":22.601209542927748,"endHours":23.892820181842172,"quality":"inauspicious"},{"name":"Śubha","start":"23:54","end":"01:11","startHours":23.892820181842172,"endHours":25.184430820756596,"quality":"auspicious"},{"name":"Roga","start":"01:11","end":"02:29","startHours":25.184430820756596,"endHours":26.47604145967102,"quality":"inauspicious"},{"name":"Udveg","start":"02:29","end":"03:46","startHours":26.47604145967102,"endHours":27.767652098585444,"quality":"inauspicious"},{"name":"Chala","start":"03:46","end":"05:04","startHours":27.767652098585444,"endHours":29.059262737499868,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.059262737499869,"endHours":6.059262737499869,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.059262737499869,"endHours":7.059262737499869,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.059262737499869,"endHours":8.059262737499868,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.059262737499868,"endHours":9.059262737499868,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.059262737499868,"endHours":10.059262737499868,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.059262737499868,"endHours":11.059262737499868,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.059262737499868,"endHours":12.059262737499868,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.059262737499868,"endHours":13.059262737499868,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.059262737499868,"endHours":14.059262737499868,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.059262737499868,"endHours":15.059262737499868,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.059262737499868,"endHours":16.059262737499868,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.059262737499868,"endHours":17.059262737499868,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.059262737499868,"endHours":18.059262737499868,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.059262737499868,"endHours":19.059262737499868,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.059262737499868,"endHours":20.059262737499868,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.059262737499868,"endHours":21.059262737499868,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.059262737499868,"endHours":22.059262737499868,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.059262737499868,"endHours":23.059262737499868,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.059262737499868,"endHours":24.059262737499868,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.059262737499868,"endHours":25.059262737499868,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.059262737499868,"endHours":26.059262737499868,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.059262737499868,"endHours":27.059262737499868,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.059262737499868,"endHours":28.059262737499868,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.059262737499868,"endHours":29.059262737499868,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.362599667421282,"eotMinutes":-3.0500109105302213,"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 Tṛtīyā · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Somavāra (Monday) — 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 20, 2012 CE · Chicago, USA · Vidhyamitra","description":"August 20, 2012 CE for Chicago, USA: Śukla Tṛtīyā, sūryodaya 05:04, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-08-20","sa":"https://sa.vidhyamitra.com/city/chicago/2012-08-20","hi":"https://hi.vidhyamitra.com/city/chicago/2012-08-20","x-default":"https://vidhyamitra.com/city/chicago/2012-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-09T13:04:40.236Z","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":"2026-08-09T13:04:40.236Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-09T13:04:40.236Z","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"}}}