{"id":"vidhyamitra:city-day:chicago:2017-10-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2017-10-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-10-25","date_display":"October 25, 2017 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":2017,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458051.770833,"kali_year":5119,"ahargana":1869586.2708,"sun":{"sidereal_longitude":186.9639,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":248.8535,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.8895,"elapsed_within_tithi_degrees":1.8895},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":248.8535,"elapsed_within_degrees":8.8535},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.8174},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":10,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458051.770833,"ahargana":1869586.2708,"kali_year":5119,"ayanamsa_lahiri":24.1019,"grahas":{"sun":{"sidereal_longitude":187.71700399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":246.33980399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":3.5188},"mars":{"sidereal_longitude":157.04640399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":197.84340399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":188.764504,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":168.89690399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":239.72740399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":120.3223,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":300.3223,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":"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":2017,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458051.770833,"kali_year":5119,"ahargana":1869586.2708,"sun":{"sidereal_longitude":186.9639,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":248.8535,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.8895,"elapsed_within_tithi_degrees":1.8895},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":248.8535,"elapsed_within_degrees":8.8535},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.8174},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.519,"elongation":61.89},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.519,"opposition_distance":118.11}},"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":"06:14","sunsetLocal":"16:55","solarNoonLocal":"11:34","dayLengthHours":10.677021836083673,"dayLengthDisplay":"10 Hours 40 Mins 37 Secs","nightLengthDisplay":"13 Hours 19 Mins 23 Secs","moonriseLocal":"10:57","moonsetLocal":"20:01","rahuKala":{"name":"Rāhu Kāla","start":"11:34","end":"12:54","startHours":11.571405682217236,"endHours":12.906033411727696,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:34","end":"08:54","startHours":7.56752249368586,"endHours":8.902150223196319,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:14","end":"11:34","startHours":10.236777952706777,"endHours":11.571405682217236,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:05","startHours":8.72419985926159,"endHours":9.080100587131046,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"06:58","startHours":6.67777067401222,"endHours":6.962491256307785,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:13","end":"11:56","startHours":11.21550495434778,"endHours":11.927306410086691,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:31","startHours":4.809291852697577,"endHours":5.521093308436488,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:14","startHours":5.343142944501761,"endHours":6.2328947641754,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:21","end":"14:04","startHours":13.350909321564515,"endHours":14.062710777303426,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:43","end":"17:07","startHours":16.709916600259074,"endHours":17.109916600259073,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:55","end":"17:21","startHours":16.909916600259074,"endHours":17.354792510095894,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:40","end":"18:25","startHours":16.659916600259074,"endHours":18.409916600259074,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:13","end":"23:56","startHours":23.21550495434778,"endHours":23.927306410086693,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:14","end":"07:34","startHours":6.2328947641754,"endHours":7.56752249368586,"quality":"auspicious"},{"name":"Amṛta","start":"07:34","end":"08:54","startHours":7.56752249368586,"endHours":8.902150223196319,"quality":"auspicious"},{"name":"Kāla","start":"08:54","end":"10:14","startHours":8.902150223196319,"endHours":10.236777952706777,"quality":"inauspicious"},{"name":"Śubha","start":"10:14","end":"11:34","startHours":10.236777952706777,"endHours":11.571405682217236,"quality":"auspicious"},{"name":"Roga","start":"11:34","end":"12:54","startHours":11.571405682217236,"endHours":12.906033411727696,"quality":"inauspicious"},{"name":"Udveg","start":"12:54","end":"14:14","startHours":12.906033411727696,"endHours":14.240661141238155,"quality":"inauspicious"},{"name":"Chala","start":"14:14","end":"15:35","startHours":14.240661141238155,"endHours":15.575288870748615,"quality":"neutral"},{"name":"Labha","start":"15:35","end":"16:55","startHours":15.575288870748615,"endHours":16.909916600259074,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"16:55","end":"18:35","startHours":16.909916600259074,"endHours":18.575288870748615,"quality":"inauspicious"},{"name":"Chala","start":"18:35","end":"20:14","startHours":18.575288870748615,"endHours":20.240661141238157,"quality":"neutral"},{"name":"Labha","start":"20:14","end":"21:54","startHours":20.240661141238157,"endHours":21.906033411727698,"quality":"auspicious"},{"name":"Amṛta","start":"21:54","end":"23:34","startHours":21.906033411727698,"endHours":23.571405682217236,"quality":"auspicious"},{"name":"Kāla","start":"23:34","end":"01:14","startHours":23.571405682217236,"endHours":25.236777952706777,"quality":"inauspicious"},{"name":"Śubha","start":"01:14","end":"02:54","startHours":25.236777952706777,"endHours":26.90215022319632,"quality":"auspicious"},{"name":"Roga","start":"02:54","end":"04:34","startHours":26.90215022319632,"endHours":28.567522493685857,"quality":"inauspicious"},{"name":"Udveg","start":"04:34","end":"06:14","startHours":28.567522493685857,"endHours":30.2328947641754,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.2328947641754,"endHours":7.2328947641754,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.2328947641754,"endHours":8.2328947641754,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.2328947641754,"endHours":9.2328947641754,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.2328947641754,"endHours":10.2328947641754,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.2328947641754,"endHours":11.2328947641754,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.2328947641754,"endHours":12.2328947641754,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.2328947641754,"endHours":13.2328947641754,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.2328947641754,"endHours":14.2328947641754,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.2328947641754,"endHours":15.2328947641754,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.2328947641754,"endHours":16.2328947641754,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.2328947641754,"endHours":17.2328947641754,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.2328947641754,"endHours":18.2328947641754,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.2328947641754,"endHours":19.2328947641754,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.2328947641754,"endHours":20.2328947641754,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.2328947641754,"endHours":21.2328947641754,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.2328947641754,"endHours":22.2328947641754,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.2328947641754,"endHours":23.2328947641754,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.2328947641754,"endHours":24.2328947641754,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.2328947641754,"endHours":25.2328947641754,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.2328947641754,"endHours":26.2328947641754,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.2328947641754,"endHours":27.2328947641754,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.2328947641754,"endHours":28.2328947641754,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.2328947641754,"endHours":29.2328947641754,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.2328947641754,"endHours":30.2328947641754,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.104710103984766,"eotMinutes":16.234859066965946,"ayanamsa":24.1019}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ṣaṣṭhī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"chhath-puja","name":"Chhaṭh Pūjā","name_sanskrit":"छठ पूजा","tradition":"Regional","associated_deity":"Sūrya + Chhaṭhī Mātā","significance":"Bihar/UP festival worshiping Sūrya. 6th day of Kārtika Śukla.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 October 25, 2017 CE · Chicago, USA · Vidhyamitra","description":"October 25, 2017 CE for Chicago, USA: Śukla Ṣaṣṭhī, sūryodaya 06:14, sūryāsta 16:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2017-10-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2017-10-25","sa":"https://sa.vidhyamitra.com/city/chicago/2017-10-25","hi":"https://hi.vidhyamitra.com/city/chicago/2017-10-25","x-default":"https://vidhyamitra.com/city/chicago/2017-10-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:59:25.509Z","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":"2026-06-03T05:59:25.509Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:59:25.509Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}