{"id":"vidhyamitra:city-day:chicago:2001-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2001-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-01","date_display":"September 1, 2001 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":2001,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452153.770833,"kali_year":5103,"ahargana":1863688.2708,"sun":{"sidereal_longitude":134.1168,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":293.4077,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":159.2909,"elapsed_within_tithi_degrees":3.2909},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.4077,"elapsed_within_degrees":0.0744},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.5245},"karana":{"half_tithi_index":26,"name":"Gara"},"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":2001,"month":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452153.770833,"ahargana":1863688.2708,"kali_year":5103,"ayanamsa_lahiri":23.8763,"grahas":{"sun":{"sidereal_longitude":134.807751,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":294.41055099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-2.9256},"mars":{"sidereal_longitude":242.36335099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":156.06605100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":75.99605099999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":101.92625099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":50.42805099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.8267,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.8267,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2001,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452153.770833,"kali_year":5103,"ahargana":1863688.2708,"sun":{"sidereal_longitude":134.1168,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":293.4077,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":159.2909,"elapsed_within_tithi_degrees":3.2909},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.4077,"elapsed_within_degrees":0.0744},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.5245},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.926,"elongation":159.291},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.926,"opposition_distance":20.709}},"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":"05:15","sunsetLocal":"18:25","solarNoonLocal":"11:50","dayLengthHours":13.15592679062022,"dayLengthDisplay":"13 Hours 09 Mins 21 Secs","nightLengthDisplay":"10 Hours 50 Mins 39 Secs","moonriseLocal":"17:22","moonsetLocal":"03:35","rahuKala":{"name":"Rāhu Kāla","start":"08:33","end":"10:11","startHours":8.545071338827057,"endHours":10.189562187654584,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:29","end":"15:07","startHours":13.478543885309637,"endHours":15.123034734137168,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:15","end":"06:54","startHours":5.256089641172001,"endHours":6.900580489999529,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:20","end":"08:46","startHours":8.325805892316719,"endHours":8.764336785337393,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:09","startHours":5.804253257447844,"endHours":6.155077971864383,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:16","startHours":11.395522143461436,"endHours":12.272583929502785,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:23","startHours":3.501966069089305,"endHours":4.379027855130653,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:15","startHours":4.159762408620316,"endHours":5.256089641172001,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:54","startHours":14.02670750158548,"endHours":14.90376928762683,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21201643179222,"endHours":18.61201643179222,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:58","startHours":18.41201643179222,"endHours":18.960180048068064,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.16201643179222,"endHours":19.91201643179222,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:16","startHours":23.395522143461438,"endHours":24.272583929502783,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:15","end":"06:54","startHours":5.256089641172001,"endHours":6.900580489999529,"quality":"inauspicious"},{"name":"Śubha","start":"06:54","end":"08:33","startHours":6.900580489999529,"endHours":8.545071338827057,"quality":"auspicious"},{"name":"Roga","start":"08:33","end":"10:11","startHours":8.545071338827057,"endHours":10.189562187654584,"quality":"inauspicious"},{"name":"Udveg","start":"10:11","end":"11:50","startHours":10.189562187654584,"endHours":11.83405303648211,"quality":"inauspicious"},{"name":"Chala","start":"11:50","end":"13:29","startHours":11.83405303648211,"endHours":13.478543885309637,"quality":"neutral"},{"name":"Labha","start":"13:29","end":"15:07","startHours":13.478543885309637,"endHours":15.123034734137168,"quality":"auspicious"},{"name":"Amṛta","start":"15:07","end":"16:46","startHours":15.123034734137168,"endHours":16.767525582964694,"quality":"auspicious"},{"name":"Kāla","start":"16:46","end":"18:25","startHours":16.767525582964694,"endHours":18.41201643179222,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:25","end":"19:46","startHours":18.41201643179222,"endHours":19.767525582964694,"quality":"auspicious"},{"name":"Amṛta","start":"19:46","end":"21:07","startHours":19.767525582964694,"endHours":21.123034734137164,"quality":"auspicious"},{"name":"Kāla","start":"21:07","end":"22:29","startHours":21.123034734137164,"endHours":22.478543885309637,"quality":"inauspicious"},{"name":"Śubha","start":"22:29","end":"23:50","startHours":22.478543885309637,"endHours":23.83405303648211,"quality":"auspicious"},{"name":"Roga","start":"23:50","end":"01:11","startHours":23.83405303648211,"endHours":25.189562187654584,"quality":"inauspicious"},{"name":"Udveg","start":"01:11","end":"02:33","startHours":25.189562187654584,"endHours":26.545071338827057,"quality":"inauspicious"},{"name":"Chala","start":"02:33","end":"03:54","startHours":26.545071338827057,"endHours":27.900580489999527,"quality":"neutral"},{"name":"Labha","start":"03:54","end":"05:15","startHours":27.900580489999527,"endHours":29.256089641172,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.256089641172001,"endHours":6.256089641172001,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.256089641172001,"endHours":7.256089641172001,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.256089641172001,"endHours":8.256089641172,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.256089641172,"endHours":9.256089641172,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.256089641172,"endHours":10.256089641172,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.256089641172,"endHours":11.256089641172,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.256089641172,"endHours":12.256089641172,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.256089641172,"endHours":13.256089641172,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.256089641172,"endHours":14.256089641172,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.256089641172,"endHours":15.256089641172,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.256089641172,"endHours":16.256089641172,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.256089641172,"endHours":17.256089641172,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.256089641172,"endHours":18.256089641172,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.256089641172,"endHours":19.256089641172,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.256089641172,"endHours":20.256089641172,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.256089641172,"endHours":21.256089641172,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.256089641172,"endHours":22.256089641172,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.256089641172,"endHours":23.256089641172,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.256089641172,"endHours":24.256089641172,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.256089641172,"endHours":25.256089641172,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.256089641172,"endHours":26.256089641172,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.256089641172,"endHours":27.256089641172,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.256089641172,"endHours":28.256089641172,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.256089641172,"endHours":29.256089641172,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.312955868766522,"eotMinutes":0.47601781107335894,"ayanamsa":23.8763}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Śukla Caturdaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"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 September 1, 2001 CE · Chicago, USA · Vidhyamitra","description":"September 1, 2001 CE for Chicago, USA: Śukla Caturdaśī, sūryodaya 05:15, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2001-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2001-09-01","sa":"https://sa.vidhyamitra.com/city/chicago/2001-09-01","hi":"https://hi.vidhyamitra.com/city/chicago/2001-09-01","x-default":"https://vidhyamitra.com/city/chicago/2001-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:16:47.914Z","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":"2026-05-31T06:16:47.914Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:16:47.914Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}