{"id":"vidhyamitra:city-day:chicago:2012-05-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-05-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-05-27","date_display":"May 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":5,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456074.770833,"kali_year":5114,"ahargana":1867609.2708,"sun":{"sidereal_longitude":42.014,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":113.7861,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.7721,"elapsed_within_tithi_degrees":11.7721},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":113.7861,"elapsed_within_degrees":7.1194},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.8},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":5,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456074.770833,"ahargana":1867609.2708,"kali_year":5114,"ayanamsa_lahiri":24.0262,"grahas":{"sun":{"sidereal_longitude":42.13764000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":110.20154000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":-4.1924},"mars":{"sidereal_longitude":138.58584000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":41.33663999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":32.10034000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":57.256939999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":179.18434000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":225.0733,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.0733,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"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":5,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456074.770833,"kali_year":5114,"ahargana":1867609.2708,"sun":{"sidereal_longitude":42.014,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":113.7861,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.7721,"elapsed_within_tithi_degrees":11.7721},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":113.7861,"elapsed_within_degrees":7.1194},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.8},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.192,"elongation":71.772},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.192,"opposition_distance":108.228}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.597,"elongation":1.466}]},"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":"04:20","sunsetLocal":"19:15","solarNoonLocal":"11:48","dayLengthHours":14.904734087685519,"dayLengthDisplay":"14 Hours 54 Mins 17 Secs","nightLengthDisplay":"9 Hours 05 Mins 43 Secs","moonriseLocal":"09:15","moonsetLocal":"23:25","rahuKala":{"name":"Rāhu Kāla","start":"17:23","end":"19:15","startHours":17.38112577734967,"endHours":19.24421753831036,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:48","end":"13:39","startHours":11.7918504944676,"endHours":13.654942255428288,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"17:23","startHours":15.51803401638898,"endHours":17.38112577734967,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:49","end":"08:19","startHours":7.817254737751462,"endHours":8.314079207340978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"04:58","end":"05:21","startHours":4.960514037611737,"endHours":5.357973613283351,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:17","startHours":11.295026024878082,"endHours":12.288674964057117,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:21","end":"03:21","startHours":2.352185572266771,"endHours":3.3458345114458057,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:06","end":"04:20","startHours":3.097422276651047,"endHours":4.33948345062484,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:16","startHours":14.275972842415186,"endHours":15.269621781594221,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.04421753831036,"endHours":19.444217538310358,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:52","startHours":19.24421753831036,"endHours":19.865248125297256,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":18.99421753831036,"endHours":20.74421753831036,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:17","startHours":23.295026024878084,"endHours":24.288674964057115,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"04:20","end":"06:12","startHours":4.33948345062484,"endHours":6.20257521158553,"quality":"inauspicious"},{"name":"Chala","start":"06:12","end":"08:04","startHours":6.20257521158553,"endHours":8.06566697254622,"quality":"neutral"},{"name":"Labha","start":"08:04","end":"09:56","startHours":8.06566697254622,"endHours":9.92875873350691,"quality":"auspicious"},{"name":"Amṛta","start":"09:56","end":"11:48","startHours":9.92875873350691,"endHours":11.7918504944676,"quality":"auspicious"},{"name":"Kāla","start":"11:48","end":"13:39","startHours":11.7918504944676,"endHours":13.654942255428288,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:31","startHours":13.654942255428288,"endHours":15.51803401638898,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"17:23","startHours":15.51803401638898,"endHours":17.38112577734967,"quality":"inauspicious"},{"name":"Udveg","start":"17:23","end":"19:15","startHours":17.38112577734967,"endHours":19.24421753831036,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:15","end":"20:23","startHours":19.24421753831036,"endHours":20.38112577734967,"quality":"auspicious"},{"name":"Roga","start":"20:23","end":"21:31","startHours":20.38112577734967,"endHours":21.51803401638898,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"22:39","startHours":21.51803401638898,"endHours":22.65494225542829,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"23:48","startHours":22.65494225542829,"endHours":23.7918504944676,"quality":"neutral"},{"name":"Labha","start":"23:48","end":"00:56","startHours":23.7918504944676,"endHours":24.92875873350691,"quality":"auspicious"},{"name":"Amṛta","start":"00:56","end":"02:04","startHours":24.92875873350691,"endHours":26.065666972546218,"quality":"auspicious"},{"name":"Kāla","start":"02:04","end":"03:12","startHours":26.065666972546218,"endHours":27.20257521158553,"quality":"inauspicious"},{"name":"Śubha","start":"03:12","end":"04:20","startHours":27.20257521158553,"endHours":28.33948345062484,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:20","end":"05:20","startHours":4.33948345062484,"endHours":5.33948345062484,"planetary_lord":"Sun"},{"name":"Hora 2","start":"05:20","end":"06:20","startHours":5.33948345062484,"endHours":6.33948345062484,"planetary_lord":"Mars"},{"name":"Hora 3","start":"06:20","end":"07:20","startHours":6.33948345062484,"endHours":7.33948345062484,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"07:20","end":"08:20","startHours":7.33948345062484,"endHours":8.33948345062484,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"08:20","end":"09:20","startHours":8.33948345062484,"endHours":9.33948345062484,"planetary_lord":"Moon"},{"name":"Hora 6","start":"09:20","end":"10:20","startHours":9.33948345062484,"endHours":10.33948345062484,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"10:20","end":"11:20","startHours":10.33948345062484,"endHours":11.33948345062484,"planetary_lord":"Venus"},{"name":"Hora 8","start":"11:20","end":"12:20","startHours":11.33948345062484,"endHours":12.33948345062484,"planetary_lord":"Sun"},{"name":"Hora 9","start":"12:20","end":"13:20","startHours":12.33948345062484,"endHours":13.33948345062484,"planetary_lord":"Mars"},{"name":"Hora 10","start":"13:20","end":"14:20","startHours":13.33948345062484,"endHours":14.33948345062484,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"14:20","end":"15:20","startHours":14.33948345062484,"endHours":15.33948345062484,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"15:20","end":"16:20","startHours":15.33948345062484,"endHours":16.33948345062484,"planetary_lord":"Moon"},{"name":"Hora 13","start":"16:20","end":"17:20","startHours":16.33948345062484,"endHours":17.33948345062484,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"17:20","end":"18:20","startHours":17.33948345062484,"endHours":18.33948345062484,"planetary_lord":"Venus"},{"name":"Hora 15","start":"18:20","end":"19:20","startHours":18.33948345062484,"endHours":19.33948345062484,"planetary_lord":"Sun"},{"name":"Hora 16","start":"19:20","end":"20:20","startHours":19.33948345062484,"endHours":20.33948345062484,"planetary_lord":"Mars"},{"name":"Hora 17","start":"20:20","end":"21:20","startHours":20.33948345062484,"endHours":21.33948345062484,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"21:20","end":"22:20","startHours":21.33948345062484,"endHours":22.33948345062484,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"22:20","end":"23:20","startHours":22.33948345062484,"endHours":23.33948345062484,"planetary_lord":"Moon"},{"name":"Hora 20","start":"23:20","end":"00:20","startHours":23.33948345062484,"endHours":24.33948345062484,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"00:20","end":"01:20","startHours":24.33948345062484,"endHours":25.33948345062484,"planetary_lord":"Venus"},{"name":"Hora 22","start":"01:20","end":"02:20","startHours":25.33948345062484,"endHours":26.33948345062484,"planetary_lord":"Sun"},{"name":"Hora 23","start":"02:20","end":"03:20","startHours":26.33948345062484,"endHours":27.33948345062484,"planetary_lord":"Mars"},{"name":"Hora 24","start":"03:20","end":"04:20","startHours":27.33948345062484,"endHours":28.33948345062484,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.334230644071685,"eotMinutes":3.008170331944147,"ayanamsa":24.0262}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Ṣaṣṭhī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 27, 2012 CE · Chicago, USA · Vidhyamitra","description":"May 27, 2012 CE for Chicago, USA: Śukla Ṣaṣṭhī, sūryodaya 04:20, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-05-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-05-27","sa":"https://sa.vidhyamitra.com/city/chicago/2012-05-27","hi":"https://hi.vidhyamitra.com/city/chicago/2012-05-27","x-default":"https://vidhyamitra.com/city/chicago/2012-05-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:31:39.497Z","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":"2026-05-31T06:31:39.497Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:31:39.497Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}