{"id":"vidhyamitra:city-day:chicago:2012-07-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-07-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-07-27","date_display":"July 27, 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":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456135.770833,"kali_year":5114,"ahargana":1867670.2708,"sun":{"sidereal_longitude":99.8563,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":200.0997,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.2435,"elapsed_within_tithi_degrees":4.2435},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.0997,"elapsed_within_degrees":0.0997},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.956},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":7,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456135.770833,"ahargana":1867670.2708,"kali_year":5114,"ayanamsa_lahiri":24.0286,"grahas":{"sun":{"sidereal_longitude":100.39400899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":199.24010900000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":-1.6654},"mars":{"sidereal_longitude":168.87790900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":103.194009,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":45.087608999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":56.137208999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":179.29510900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":221.8412,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":41.8412,"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":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456135.770833,"kali_year":5114,"ahargana":1867670.2708,"sun":{"sidereal_longitude":99.8563,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":200.0997,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.2435,"elapsed_within_tithi_degrees":4.2435},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.0997,"elapsed_within_degrees":0.0997},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.956},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.665,"elongation":100.243},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.665,"opposition_distance":79.757}},"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":"04:39","sunsetLocal":"19:14","solarNoonLocal":"11:57","dayLengthHours":14.585795824677064,"dayLengthDisplay":"14 Hours 35 Mins 09 Secs","nightLengthDisplay":"9 Hours 24 Mins 51 Secs","moonriseLocal":"13:28","moonsetLocal":"23:37","rahuKala":{"name":"Rāhu Kāla","start":"10:07","end":"11:57","startHours":10.121809750078665,"endHours":11.945034228163298,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:35","end":"17:25","startHours":15.591483184332564,"endHours":17.414707662417197,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:29","end":"08:18","startHours":6.475360793909398,"endHours":8.298585271994032,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:03","end":"08:33","startHours":8.05548867491608,"endHours":8.541681869071983,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:16","end":"05:39","startHours":5.259877808519643,"endHours":5.648832363844364,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:26","startHours":11.458841034007396,"endHours":12.4312274223192,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:42","end":"03:41","startHours":2.7073635392011566,"endHours":3.679749927512961,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:26","end":"04:39","startHours":3.4366533304350098,"endHours":4.652136315824765,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:21","startHours":14.376000198942808,"endHours":15.348386587254613,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.03793214050183,"endHours":19.43793214050183,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:51","startHours":19.23793214050183,"endHours":19.845673633196707,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.98793214050183,"endHours":20.73793214050183,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:26","startHours":23.458841034007396,"endHours":24.4312274223192,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"04:39","end":"06:29","startHours":4.652136315824765,"endHours":6.475360793909398,"quality":"neutral"},{"name":"Labha","start":"06:29","end":"08:18","startHours":6.475360793909398,"endHours":8.298585271994032,"quality":"auspicious"},{"name":"Amṛta","start":"08:18","end":"10:07","startHours":8.298585271994032,"endHours":10.121809750078665,"quality":"auspicious"},{"name":"Kāla","start":"10:07","end":"11:57","startHours":10.121809750078665,"endHours":11.945034228163298,"quality":"inauspicious"},{"name":"Śubha","start":"11:57","end":"13:46","startHours":11.945034228163298,"endHours":13.76825870624793,"quality":"auspicious"},{"name":"Roga","start":"13:46","end":"15:35","startHours":13.76825870624793,"endHours":15.591483184332564,"quality":"inauspicious"},{"name":"Udveg","start":"15:35","end":"17:25","startHours":15.591483184332564,"endHours":17.414707662417197,"quality":"inauspicious"},{"name":"Chala","start":"17:25","end":"19:14","startHours":17.414707662417197,"endHours":19.23793214050183,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:14","end":"20:25","startHours":19.23793214050183,"endHours":20.414707662417197,"quality":"inauspicious"},{"name":"Udveg","start":"20:25","end":"21:35","startHours":20.414707662417197,"endHours":21.591483184332564,"quality":"inauspicious"},{"name":"Chala","start":"21:35","end":"22:46","startHours":21.591483184332564,"endHours":22.76825870624793,"quality":"neutral"},{"name":"Labha","start":"22:46","end":"23:57","startHours":22.76825870624793,"endHours":23.945034228163298,"quality":"auspicious"},{"name":"Amṛta","start":"23:57","end":"01:07","startHours":23.945034228163298,"endHours":25.121809750078665,"quality":"auspicious"},{"name":"Kāla","start":"01:07","end":"02:18","startHours":25.121809750078665,"endHours":26.298585271994032,"quality":"inauspicious"},{"name":"Śubha","start":"02:18","end":"03:29","startHours":26.298585271994032,"endHours":27.4753607939094,"quality":"auspicious"},{"name":"Roga","start":"03:29","end":"04:39","startHours":27.4753607939094,"endHours":28.652136315824766,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:39","end":"05:39","startHours":4.652136315824765,"endHours":5.652136315824765,"planetary_lord":"Venus"},{"name":"Hora 2","start":"05:39","end":"06:39","startHours":5.652136315824765,"endHours":6.652136315824765,"planetary_lord":"Sun"},{"name":"Hora 3","start":"06:39","end":"07:39","startHours":6.652136315824765,"endHours":7.652136315824765,"planetary_lord":"Mars"},{"name":"Hora 4","start":"07:39","end":"08:39","startHours":7.652136315824765,"endHours":8.652136315824766,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"08:39","end":"09:39","startHours":8.652136315824766,"endHours":9.652136315824766,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"09:39","end":"10:39","startHours":9.652136315824766,"endHours":10.652136315824766,"planetary_lord":"Moon"},{"name":"Hora 7","start":"10:39","end":"11:39","startHours":10.652136315824766,"endHours":11.652136315824766,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"11:39","end":"12:39","startHours":11.652136315824766,"endHours":12.652136315824766,"planetary_lord":"Venus"},{"name":"Hora 9","start":"12:39","end":"13:39","startHours":12.652136315824766,"endHours":13.652136315824766,"planetary_lord":"Sun"},{"name":"Hora 10","start":"13:39","end":"14:39","startHours":13.652136315824766,"endHours":14.652136315824766,"planetary_lord":"Mars"},{"name":"Hora 11","start":"14:39","end":"15:39","startHours":14.652136315824766,"endHours":15.652136315824766,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"15:39","end":"16:39","startHours":15.652136315824766,"endHours":16.652136315824766,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"16:39","end":"17:39","startHours":16.652136315824766,"endHours":17.652136315824766,"planetary_lord":"Moon"},{"name":"Hora 14","start":"17:39","end":"18:39","startHours":17.652136315824766,"endHours":18.652136315824766,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"18:39","end":"19:39","startHours":18.652136315824766,"endHours":19.652136315824766,"planetary_lord":"Venus"},{"name":"Hora 16","start":"19:39","end":"20:39","startHours":19.652136315824766,"endHours":20.652136315824766,"planetary_lord":"Sun"},{"name":"Hora 17","start":"20:39","end":"21:39","startHours":20.652136315824766,"endHours":21.652136315824766,"planetary_lord":"Mars"},{"name":"Hora 18","start":"21:39","end":"22:39","startHours":21.652136315824766,"endHours":22.652136315824766,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"22:39","end":"23:39","startHours":22.652136315824766,"endHours":23.652136315824766,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"23:39","end":"00:39","startHours":23.652136315824766,"endHours":24.652136315824766,"planetary_lord":"Moon"},{"name":"Hora 21","start":"00:39","end":"01:39","startHours":24.652136315824766,"endHours":25.652136315824766,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"01:39","end":"02:39","startHours":25.652136315824766,"endHours":26.652136315824766,"planetary_lord":"Venus"},{"name":"Hora 23","start":"02:39","end":"03:39","startHours":26.652136315824766,"endHours":27.652136315824766,"planetary_lord":"Sun"},{"name":"Hora 24","start":"03:39","end":"04:39","startHours":27.652136315824766,"endHours":28.652136315824766,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.152628068768852,"eotMinutes":-6.182853689797819,"ayanamsa":24.0286}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Navamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 July 27, 2012 CE · Chicago, USA · Vidhyamitra","description":"July 27, 2012 CE for Chicago, USA: Śukla Navamī, sūryodaya 04:39, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-07-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-07-27","sa":"https://sa.vidhyamitra.com/city/chicago/2012-07-27","hi":"https://hi.vidhyamitra.com/city/chicago/2012-07-27","x-default":"https://vidhyamitra.com/city/chicago/2012-07-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T11:09:29.507Z","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":"2026-05-17T11:09:29.507Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T11:09:29.507Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}