{"id":"vidhyamitra:city-day:chicago:2016-02-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2016-02-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-02-23","date_display":"February 23, 2016 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":2016,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457441.770833,"kali_year":5117,"ahargana":1868976.2708,"sun":{"sidereal_longitude":309.8633,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":134.6652,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":184.802,"elapsed_within_tithi_degrees":4.802},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.6652,"elapsed_within_degrees":1.3319},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.5285},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2016,"month":2,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457441.770833,"ahargana":1868976.2708,"kali_year":5117,"ayanamsa_lahiri":24.0785,"grahas":{"sun":{"sidereal_longitude":309.77010999999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":132.84650999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-1.3876},"mars":{"sidereal_longitude":210.87171,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":288.07610999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":145.34521,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":282.96231,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":231.29691000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":152.643,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.643,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2016,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457441.770833,"kali_year":5117,"ahargana":1868976.2708,"sun":{"sidereal_longitude":309.8633,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":134.6652,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":184.802,"elapsed_within_tithi_degrees":4.802},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.6652,"elapsed_within_degrees":1.3319},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.5285},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.388,"elongation":175.198},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.388,"opposition_distance":4.802}},"eclipse_window_40days":[{"offset_days":15,"type":"solar","occurs":true,"moon_latitude":0.681,"elongation":1.816}]},"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":"06:37","sunsetLocal":"17:32","solarNoonLocal":"12:04","dayLengthHours":10.928461387975824,"dayLengthDisplay":"10 Hours 55 Mins 42 Secs","nightLengthDisplay":"13 Hours 04 Mins 18 Secs","moonriseLocal":"17:41","moonsetLocal":"06:53","rahuKala":{"name":"Rāhu Kāla","start":"14:48","end":"16:10","startHours":14.806906962985012,"endHours":16.17296463648199,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:21","end":"10:43","startHours":9.3426762689971,"endHours":10.708733942494078,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:04","end":"13:26","startHours":12.074791615991057,"endHours":13.440849289488034,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:31","startHours":9.16053524586417,"endHours":9.524817292130031,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:21","startHours":7.065913479835469,"endHours":7.3573391168481574,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:26","startHours":11.710509569725195,"endHours":12.439073662256918,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:09","end":"05:53","startHours":5.153432736939701,"endHours":5.881996829471422,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:37","startHours":5.699855806338491,"endHours":6.610560922003144,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:37","startHours":13.89620184732036,"endHours":14.62476593985208,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.33902230997897,"endHours":17.739022309978967,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"18:00","startHours":17.539022309978968,"endHours":17.994374867811295,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.289022309978968,"endHours":19.039022309978968,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:26","startHours":23.710509569725197,"endHours":24.439073662256916,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:37","end":"07:59","startHours":6.610560922003144,"endHours":7.976618595500121,"quality":"inauspicious"},{"name":"Udveg","start":"07:59","end":"09:21","startHours":7.976618595500121,"endHours":9.3426762689971,"quality":"inauspicious"},{"name":"Chala","start":"09:21","end":"10:43","startHours":9.3426762689971,"endHours":10.708733942494078,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:04","startHours":10.708733942494078,"endHours":12.074791615991057,"quality":"auspicious"},{"name":"Amṛta","start":"12:04","end":"13:26","startHours":12.074791615991057,"endHours":13.440849289488034,"quality":"auspicious"},{"name":"Kāla","start":"13:26","end":"14:48","startHours":13.440849289488034,"endHours":14.806906962985012,"quality":"inauspicious"},{"name":"Śubha","start":"14:48","end":"16:10","startHours":14.806906962985012,"endHours":16.17296463648199,"quality":"auspicious"},{"name":"Roga","start":"16:10","end":"17:32","startHours":16.17296463648199,"endHours":17.539022309978968,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:32","end":"19:10","startHours":17.539022309978968,"endHours":19.17296463648199,"quality":"inauspicious"},{"name":"Śubha","start":"19:10","end":"20:48","startHours":19.17296463648199,"endHours":20.80690696298501,"quality":"auspicious"},{"name":"Roga","start":"20:48","end":"22:26","startHours":20.80690696298501,"endHours":22.440849289488035,"quality":"inauspicious"},{"name":"Udveg","start":"22:26","end":"00:04","startHours":22.440849289488035,"endHours":24.074791615991057,"quality":"inauspicious"},{"name":"Chala","start":"00:04","end":"01:43","startHours":24.074791615991057,"endHours":25.708733942494078,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:21","startHours":25.708733942494078,"endHours":27.3426762689971,"quality":"auspicious"},{"name":"Amṛta","start":"03:21","end":"04:59","startHours":27.3426762689971,"endHours":28.97661859550012,"quality":"auspicious"},{"name":"Kāla","start":"04:59","end":"06:37","startHours":28.97661859550012,"endHours":30.610560922003145,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.610560922003144,"endHours":7.610560922003144,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.610560922003144,"endHours":8.610560922003144,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.610560922003144,"endHours":9.610560922003144,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.610560922003144,"endHours":10.610560922003144,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.610560922003144,"endHours":11.610560922003144,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.610560922003144,"endHours":12.610560922003144,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.610560922003144,"endHours":13.610560922003144,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.610560922003144,"endHours":14.610560922003144,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.610560922003144,"endHours":15.610560922003144,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.610560922003144,"endHours":16.610560922003145,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.610560922003145,"endHours":17.610560922003145,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.610560922003145,"endHours":18.610560922003145,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.610560922003145,"endHours":19.610560922003145,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.610560922003145,"endHours":20.610560922003145,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.610560922003145,"endHours":21.610560922003145,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.610560922003145,"endHours":22.610560922003145,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.610560922003145,"endHours":23.610560922003145,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.610560922003145,"endHours":24.610560922003145,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.610560922003145,"endHours":25.610560922003145,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.610560922003145,"endHours":26.610560922003145,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.610560922003145,"endHours":27.610560922003145,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.610560922003145,"endHours":28.610560922003145,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.610560922003145,"endHours":29.610560922003145,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.610560922003145,"endHours":30.610560922003145,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.096022278699545,"eotMinutes":-13.968296959463448,"ayanamsa":24.0785}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pratipada · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 23, 2016 CE · Chicago, USA · Vidhyamitra","description":"February 23, 2016 CE for Chicago, USA: Kṛṣṇa Pratipada, sūryodaya 06:37, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2016-02-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2016-02-23","sa":"https://sa.vidhyamitra.com/city/chicago/2016-02-23","hi":"https://hi.vidhyamitra.com/city/chicago/2016-02-23","x-default":"https://vidhyamitra.com/city/chicago/2016-02-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:59:55.644Z","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":"2026-06-02T07:59:55.644Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:59:55.644Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}