{"id":"vidhyamitra:city-day:chicago:2026-06-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2026-06-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-06-27","date_display":"June 27, 2026 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":2026,"month":6,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461218.770833,"kali_year":5128,"ahargana":1872753.2708,"sun":{"sidereal_longitude":70.8491,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":217.2747,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4256,"elapsed_within_tithi_degrees":2.4256},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":217.2747,"elapsed_within_degrees":3.9414},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.1238},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2026,"month":6,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461218.770833,"ahargana":1872753.2708,"kali_year":5128,"ayanamsa_lahiri":24.223,"grahas":{"sun":{"sidereal_longitude":71.21610099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":218.865901,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":-4.4811},"mars":{"sidereal_longitude":34.14200099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":91.48790099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":94.90450099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":111.08110099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":349.841701,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":312.5194,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":132.5194,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":"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":2026,"month":6,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461218.770833,"kali_year":5128,"ahargana":1872753.2708,"sun":{"sidereal_longitude":70.8491,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":217.2747,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4256,"elapsed_within_tithi_degrees":2.4256},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":217.2747,"elapsed_within_degrees":3.9414},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.1238},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.481,"elongation":146.426},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.481,"opposition_distance":33.574}},"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":"04:17","sunsetLocal":"19:29","solarNoonLocal":"11:53","dayLengthHours":15.209238994710653,"dayLengthDisplay":"15 Hours 12 Mins 33 Secs","nightLengthDisplay":"8 Hours 47 Mins 27 Secs","moonriseLocal":"17:00","moonsetLocal":"02:28","rahuKala":{"name":"Rāhu Kāla","start":"08:05","end":"09:59","startHours":8.084505313726588,"endHours":9.98566018806542,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:47","end":"15:41","startHours":13.787969936743085,"endHours":15.689124811081914,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"04:17","end":"06:11","startHours":4.282195565048926,"endHours":6.183350439387757,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:50","end":"08:20","startHours":7.831017997148078,"endHours":8.337992630305099,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"04:55","end":"05:19","startHours":4.9159138564952025,"endHours":5.3214935630208196,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:24","startHours":11.379840429247231,"endHours":12.393789695561274,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:15","end":"03:16","startHours":2.2542970324208387,"endHours":3.268246298734882,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:01","end":"04:17","startHours":3.0147589821563714,"endHours":4.282195565048926,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:26","startHours":14.42168822818936,"endHours":15.435637494503403,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:17","end":"19:41","startHours":19.29143455975958,"endHours":19.69143455975958,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:29","end":"20:08","startHours":19.49143455975958,"endHours":20.125152851205858,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:14","end":"20:59","startHours":19.24143455975958,"endHours":20.99143455975958,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:24","startHours":23.37984042924723,"endHours":24.393789695561274,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"04:17","end":"06:11","startHours":4.282195565048926,"endHours":6.183350439387757,"quality":"inauspicious"},{"name":"Śubha","start":"06:11","end":"08:05","startHours":6.183350439387757,"endHours":8.084505313726588,"quality":"auspicious"},{"name":"Roga","start":"08:05","end":"09:59","startHours":8.084505313726588,"endHours":9.98566018806542,"quality":"inauspicious"},{"name":"Udveg","start":"09:59","end":"11:53","startHours":9.98566018806542,"endHours":11.886815062404253,"quality":"inauspicious"},{"name":"Chala","start":"11:53","end":"13:47","startHours":11.886815062404253,"endHours":13.787969936743085,"quality":"neutral"},{"name":"Labha","start":"13:47","end":"15:41","startHours":13.787969936743085,"endHours":15.689124811081914,"quality":"auspicious"},{"name":"Amṛta","start":"15:41","end":"17:35","startHours":15.689124811081914,"endHours":17.590279685420747,"quality":"auspicious"},{"name":"Kāla","start":"17:35","end":"19:29","startHours":17.590279685420747,"endHours":19.49143455975958,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:29","end":"20:35","startHours":19.49143455975958,"endHours":20.590279685420747,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"21:41","startHours":20.590279685420747,"endHours":21.689124811081918,"quality":"auspicious"},{"name":"Kāla","start":"21:41","end":"22:47","startHours":21.689124811081918,"endHours":22.787969936743085,"quality":"inauspicious"},{"name":"Śubha","start":"22:47","end":"23:53","startHours":22.787969936743085,"endHours":23.886815062404253,"quality":"auspicious"},{"name":"Roga","start":"23:53","end":"00:59","startHours":23.886815062404253,"endHours":24.98566018806542,"quality":"inauspicious"},{"name":"Udveg","start":"00:59","end":"02:05","startHours":24.98566018806542,"endHours":26.084505313726588,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:11","startHours":26.084505313726588,"endHours":27.18335043938776,"quality":"neutral"},{"name":"Labha","start":"03:11","end":"04:17","startHours":27.18335043938776,"endHours":28.282195565048927,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:17","end":"05:17","startHours":4.282195565048926,"endHours":5.282195565048926,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"05:17","end":"06:17","startHours":5.282195565048926,"endHours":6.282195565048926,"planetary_lord":"Moon"},{"name":"Hora 3","start":"06:17","end":"07:17","startHours":6.282195565048926,"endHours":7.282195565048926,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"07:17","end":"08:17","startHours":7.282195565048926,"endHours":8.282195565048927,"planetary_lord":"Venus"},{"name":"Hora 5","start":"08:17","end":"09:17","startHours":8.282195565048927,"endHours":9.282195565048927,"planetary_lord":"Sun"},{"name":"Hora 6","start":"09:17","end":"10:17","startHours":9.282195565048927,"endHours":10.282195565048927,"planetary_lord":"Mars"},{"name":"Hora 7","start":"10:17","end":"11:17","startHours":10.282195565048927,"endHours":11.282195565048927,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"11:17","end":"12:17","startHours":11.282195565048927,"endHours":12.282195565048927,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"12:17","end":"13:17","startHours":12.282195565048927,"endHours":13.282195565048927,"planetary_lord":"Moon"},{"name":"Hora 10","start":"13:17","end":"14:17","startHours":13.282195565048927,"endHours":14.282195565048927,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"14:17","end":"15:17","startHours":14.282195565048927,"endHours":15.282195565048927,"planetary_lord":"Venus"},{"name":"Hora 12","start":"15:17","end":"16:17","startHours":15.282195565048927,"endHours":16.282195565048927,"planetary_lord":"Sun"},{"name":"Hora 13","start":"16:17","end":"17:17","startHours":16.282195565048927,"endHours":17.282195565048927,"planetary_lord":"Mars"},{"name":"Hora 14","start":"17:17","end":"18:17","startHours":17.282195565048927,"endHours":18.282195565048927,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"18:17","end":"19:17","startHours":18.282195565048927,"endHours":19.282195565048927,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"19:17","end":"20:17","startHours":19.282195565048927,"endHours":20.282195565048927,"planetary_lord":"Moon"},{"name":"Hora 17","start":"20:17","end":"21:17","startHours":20.282195565048927,"endHours":21.282195565048927,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"21:17","end":"22:17","startHours":21.282195565048927,"endHours":22.282195565048927,"planetary_lord":"Venus"},{"name":"Hora 19","start":"22:17","end":"23:17","startHours":22.282195565048927,"endHours":23.282195565048927,"planetary_lord":"Sun"},{"name":"Hora 20","start":"23:17","end":"00:17","startHours":23.282195565048927,"endHours":24.282195565048927,"planetary_lord":"Mars"},{"name":"Hora 21","start":"00:17","end":"01:17","startHours":24.282195565048927,"endHours":25.282195565048927,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"01:17","end":"02:17","startHours":25.282195565048927,"endHours":26.282195565048927,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"02:17","end":"03:17","startHours":26.282195565048927,"endHours":27.282195565048927,"planetary_lord":"Moon"},{"name":"Hora 24","start":"03:17","end":"04:17","startHours":27.282195565048927,"endHours":28.282195565048927,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.324716836582898,"eotMinutes":-2.6897037442551217,"ayanamsa":24.223}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 June 27, 2026 CE · Chicago, USA · Vidhyamitra","description":"June 27, 2026 CE for Chicago, USA: Śukla Trayodaśī, sūryodaya 04:17, sūryāsta 19:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2026-06-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2026-06-27","sa":"https://sa.vidhyamitra.com/city/chicago/2026-06-27","hi":"https://hi.vidhyamitra.com/city/chicago/2026-06-27","x-default":"https://vidhyamitra.com/city/chicago/2026-06-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:59:31.706Z","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":"2026-05-14T16:59:31.706Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:59:31.706Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}