{"id":"vidhyamitra:city-day:chicago:2005-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2005-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-05-12","date_display":"May 12, 2005 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":2005,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453502.770833,"kali_year":5107,"ahargana":1865037.2708,"sun":{"sidereal_longitude":27.4875,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":72.5817,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.0942,"elapsed_within_tithi_degrees":9.0942},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.5817,"elapsed_within_degrees":5.915},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.0692},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2005,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453502.770833,"ahargana":1865037.2708,"kali_year":5107,"ayanamsa_lahiri":23.9279,"grahas":{"sun":{"sidereal_longitude":27.499809000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":69.92600900000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":4.2603},"mars":{"sidereal_longitude":313.92900899999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":5.2715089999999805,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.29760899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":38.30550900000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":88.57320900000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":1.3502,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.3502,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":2005,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453502.770833,"kali_year":5107,"ahargana":1865037.2708,"sun":{"sidereal_longitude":27.4875,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":72.5817,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.0942,"elapsed_within_tithi_degrees":9.0942},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.5817,"elapsed_within_degrees":5.915},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.0692},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.26,"elongation":45.094},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.26,"opposition_distance":134.906}},"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":"04:34","sunsetLocal":"19:00","solarNoonLocal":"11:47","dayLengthHours":14.439068029945702,"dayLengthDisplay":"14 Hours 26 Mins 21 Secs","nightLengthDisplay":"9 Hours 33 Mins 39 Secs","moonriseLocal":"07:02","moonsetLocal":"22:11","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"15:23","startHours":13.584577175748738,"endHours":15.38946067949195,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"04:34","end":"06:22","startHours":4.560159657032673,"endHours":6.365043160775886,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:10","end":"09:58","startHours":8.1699266645191,"endHours":9.974810168262312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:56","end":"08:25","startHours":7.92927553068667,"endHours":8.410577798351527,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:10","end":"05:33","startHours":5.161787491613744,"endHours":5.5468293057456295,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:16","startHours":11.298391404340668,"endHours":12.260995939670382,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:38","end":"03:36","startHours":2.6349505863732463,"endHours":3.5975551217029595,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:21","end":"04:34","startHours":3.356903987870531,"endHours":4.560159657032673,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:09","startHours":14.186205010329807,"endHours":15.148809545659521,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.799227686978377,"endHours":19.199227686978375,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:36","startHours":18.999227686978376,"endHours":19.600855521559446,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.749227686978376,"endHours":20.499227686978376,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:16","startHours":23.29839140434067,"endHours":24.26099593967038,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"04:34","end":"06:22","startHours":4.560159657032673,"endHours":6.365043160775886,"quality":"auspicious"},{"name":"Roga","start":"06:22","end":"08:10","startHours":6.365043160775886,"endHours":8.1699266645191,"quality":"inauspicious"},{"name":"Udveg","start":"08:10","end":"09:58","startHours":8.1699266645191,"endHours":9.974810168262312,"quality":"inauspicious"},{"name":"Chala","start":"09:58","end":"11:47","startHours":9.974810168262312,"endHours":11.779693672005525,"quality":"neutral"},{"name":"Labha","start":"11:47","end":"13:35","startHours":11.779693672005525,"endHours":13.584577175748738,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"15:23","startHours":13.584577175748738,"endHours":15.38946067949195,"quality":"auspicious"},{"name":"Kāla","start":"15:23","end":"17:12","startHours":15.38946067949195,"endHours":17.194344183235163,"quality":"inauspicious"},{"name":"Śubha","start":"17:12","end":"19:00","startHours":17.194344183235163,"endHours":18.999227686978376,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:00","end":"20:12","startHours":18.999227686978376,"endHours":20.194344183235163,"quality":"auspicious"},{"name":"Kāla","start":"20:12","end":"21:23","startHours":20.194344183235163,"endHours":21.38946067949195,"quality":"inauspicious"},{"name":"Śubha","start":"21:23","end":"22:35","startHours":21.38946067949195,"endHours":22.584577175748738,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"23:47","startHours":22.584577175748738,"endHours":23.779693672005525,"quality":"inauspicious"},{"name":"Udveg","start":"23:47","end":"00:58","startHours":23.779693672005525,"endHours":24.974810168262312,"quality":"inauspicious"},{"name":"Chala","start":"00:58","end":"02:10","startHours":24.974810168262312,"endHours":26.1699266645191,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:22","startHours":26.1699266645191,"endHours":27.365043160775887,"quality":"auspicious"},{"name":"Amṛta","start":"03:22","end":"04:34","startHours":27.365043160775887,"endHours":28.560159657032674,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:34","end":"05:34","startHours":4.560159657032673,"endHours":5.560159657032673,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"05:34","end":"06:34","startHours":5.560159657032673,"endHours":6.560159657032673,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"06:34","end":"07:34","startHours":6.560159657032673,"endHours":7.560159657032673,"planetary_lord":"Moon"},{"name":"Hora 4","start":"07:34","end":"08:34","startHours":7.560159657032673,"endHours":8.560159657032674,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"08:34","end":"09:34","startHours":8.560159657032674,"endHours":9.560159657032674,"planetary_lord":"Venus"},{"name":"Hora 6","start":"09:34","end":"10:34","startHours":9.560159657032674,"endHours":10.560159657032674,"planetary_lord":"Sun"},{"name":"Hora 7","start":"10:34","end":"11:34","startHours":10.560159657032674,"endHours":11.560159657032674,"planetary_lord":"Mars"},{"name":"Hora 8","start":"11:34","end":"12:34","startHours":11.560159657032674,"endHours":12.560159657032674,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"12:34","end":"13:34","startHours":12.560159657032674,"endHours":13.560159657032674,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"13:34","end":"14:34","startHours":13.560159657032674,"endHours":14.560159657032674,"planetary_lord":"Moon"},{"name":"Hora 11","start":"14:34","end":"15:34","startHours":14.560159657032674,"endHours":15.560159657032674,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"15:34","end":"16:34","startHours":15.560159657032674,"endHours":16.560159657032674,"planetary_lord":"Venus"},{"name":"Hora 13","start":"16:34","end":"17:34","startHours":16.560159657032674,"endHours":17.560159657032674,"planetary_lord":"Sun"},{"name":"Hora 14","start":"17:34","end":"18:34","startHours":17.560159657032674,"endHours":18.560159657032674,"planetary_lord":"Mars"},{"name":"Hora 15","start":"18:34","end":"19:34","startHours":18.560159657032674,"endHours":19.560159657032674,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"19:34","end":"20:34","startHours":19.560159657032674,"endHours":20.560159657032674,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"20:34","end":"21:34","startHours":20.560159657032674,"endHours":21.560159657032674,"planetary_lord":"Moon"},{"name":"Hora 18","start":"21:34","end":"22:34","startHours":21.560159657032674,"endHours":22.560159657032674,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"22:34","end":"23:34","startHours":22.560159657032674,"endHours":23.560159657032674,"planetary_lord":"Venus"},{"name":"Hora 20","start":"23:34","end":"00:34","startHours":23.560159657032674,"endHours":24.560159657032674,"planetary_lord":"Sun"},{"name":"Hora 21","start":"00:34","end":"01:34","startHours":24.560159657032674,"endHours":25.560159657032674,"planetary_lord":"Mars"},{"name":"Hora 22","start":"01:34","end":"02:34","startHours":25.560159657032674,"endHours":26.560159657032674,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"02:34","end":"03:34","startHours":26.560159657032674,"endHours":27.560159657032674,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"03:34","end":"04:34","startHours":27.560159657032674,"endHours":28.560159657032674,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.116854556345487,"eotMinutes":3.7375796796685163,"ayanamsa":23.9279}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturthī · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"Dedicated festival walk for Vināyaka Caturthī (monthly) is not live yet; 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 May 12, 2005 CE · Chicago, USA · Vidhyamitra","description":"May 12, 2005 CE for Chicago, USA: Śukla Caturthī, sūryodaya 04:34, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2005-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2005-05-12","sa":"https://sa.vidhyamitra.com/city/chicago/2005-05-12","hi":"https://hi.vidhyamitra.com/city/chicago/2005-05-12","x-default":"https://vidhyamitra.com/city/chicago/2005-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T08:10:07.085Z","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":"2026-08-10T08:10:07.085Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T08:10:07.085Z","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"}}}