{"id":"vidhyamitra:city-day:chicago:2016-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2016-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-12-30","date_display":"December 30, 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":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457752.770833,"kali_year":5118,"ahargana":1869287.2708,"sun":{"sidereal_longitude":254.3883,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":263.2518,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.8635,"elapsed_within_tithi_degrees":8.8635},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":263.2518,"elapsed_within_degrees":9.9184},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.6401},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457752.770833,"ahargana":1869287.2708,"kali_year":5118,"ayanamsa_lahiri":24.0904,"grahas":{"sun":{"sidereal_longitude":254.679528,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":263.29342799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":3.5884},"mars":{"sidereal_longitude":313.703528,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":251.397828,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":176.332628,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":301.0257280000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":236.86592799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":136.1648,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":316.1648,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2016,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457752.770833,"kali_year":5118,"ahargana":1869287.2708,"sun":{"sidereal_longitude":254.3883,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":263.2518,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.8635,"elapsed_within_tithi_degrees":8.8635},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":263.2518,"elapsed_within_degrees":9.9184},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.6401},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.588,"elongation":8.863},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.588,"opposition_distance":171.137}},"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":"07:18","sunsetLocal":"16:28","solarNoonLocal":"11:53","dayLengthHours":9.169937665055814,"dayLengthDisplay":"9 Hours 10 Mins 12 Secs","nightLengthDisplay":"14 Hours 49 Mins 48 Secs","moonriseLocal":"07:50","moonsetLocal":"17:05","rahuKala":{"name":"Rāhu Kāla","start":"10:45","end":"11:53","startHours":10.742466033539227,"endHours":11.888708241671203,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:11","end":"15:20","startHours":14.181192657935156,"endHours":15.327434866067133,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:27","end":"09:36","startHours":8.449981617275272,"endHours":9.596223825407248,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:45","startHours":9.443391530989652,"endHours":9.749056119824846,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:56","startHours":7.685820145187288,"endHours":7.930351816255443,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:12","startHours":11.58304365283601,"endHours":12.194372830506397,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:05","end":"06:42","startHours":6.08108105380252,"endHours":6.692410231472908,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:18","startHours":6.539577937055311,"endHours":7.3037394091432954,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:25","end":"14:02","startHours":13.417031185847172,"endHours":14.02836036351756,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:16","end":"16:40","startHours":16.27367707419911,"endHours":16.67367707419911,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:28","end":"16:51","startHours":16.47367707419911,"endHours":16.8557578102431,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:13","end":"17:58","startHours":16.22367707419911,"endHours":17.97367707419911,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:12","startHours":23.58304365283601,"endHours":24.194372830506396,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:18","end":"08:27","startHours":7.3037394091432954,"endHours":8.449981617275272,"quality":"neutral"},{"name":"Labha","start":"08:27","end":"09:36","startHours":8.449981617275272,"endHours":9.596223825407248,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"10:45","startHours":9.596223825407248,"endHours":10.742466033539227,"quality":"auspicious"},{"name":"Kāla","start":"10:45","end":"11:53","startHours":10.742466033539227,"endHours":11.888708241671203,"quality":"inauspicious"},{"name":"Śubha","start":"11:53","end":"13:02","startHours":11.888708241671203,"endHours":13.03495044980318,"quality":"auspicious"},{"name":"Roga","start":"13:02","end":"14:11","startHours":13.03495044980318,"endHours":14.181192657935156,"quality":"inauspicious"},{"name":"Udveg","start":"14:11","end":"15:20","startHours":14.181192657935156,"endHours":15.327434866067133,"quality":"inauspicious"},{"name":"Chala","start":"15:20","end":"16:28","startHours":15.327434866067133,"endHours":16.47367707419911,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"16:28","end":"18:20","startHours":16.47367707419911,"endHours":18.327434866067133,"quality":"inauspicious"},{"name":"Udveg","start":"18:20","end":"20:11","startHours":18.327434866067133,"endHours":20.181192657935156,"quality":"inauspicious"},{"name":"Chala","start":"20:11","end":"22:02","startHours":20.181192657935156,"endHours":22.03495044980318,"quality":"neutral"},{"name":"Labha","start":"22:02","end":"23:53","startHours":22.03495044980318,"endHours":23.888708241671203,"quality":"auspicious"},{"name":"Amṛta","start":"23:53","end":"01:45","startHours":23.888708241671203,"endHours":25.742466033539223,"quality":"auspicious"},{"name":"Kāla","start":"01:45","end":"03:36","startHours":25.742466033539223,"endHours":27.59622382540725,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:27","startHours":27.59622382540725,"endHours":29.44998161727527,"quality":"auspicious"},{"name":"Roga","start":"05:27","end":"07:18","startHours":29.44998161727527,"endHours":31.303739409143297,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.3037394091432954,"endHours":8.303739409143295,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.303739409143295,"endHours":9.303739409143295,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.303739409143295,"endHours":10.303739409143295,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.303739409143295,"endHours":11.303739409143295,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.303739409143295,"endHours":12.303739409143295,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.303739409143295,"endHours":13.303739409143295,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.303739409143295,"endHours":14.303739409143295,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.303739409143295,"endHours":15.303739409143295,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.303739409143295,"endHours":16.303739409143297,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.303739409143297,"endHours":17.303739409143297,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.303739409143297,"endHours":18.303739409143297,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.303739409143297,"endHours":19.303739409143297,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.303739409143297,"endHours":20.303739409143297,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.303739409143297,"endHours":21.303739409143297,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.303739409143297,"endHours":22.303739409143297,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.303739409143297,"endHours":23.303739409143297,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.303739409143297,"endHours":24.303739409143297,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.303739409143297,"endHours":25.303739409143297,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.303739409143297,"endHours":26.303739409143297,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.303739409143297,"endHours":27.303739409143297,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.303739409143297,"endHours":28.303739409143297,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.303739409143297,"endHours":29.303739409143297,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.303739409143297,"endHours":30.303739409143297,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.303739409143297,"endHours":31.303739409143297,"planetary_lord":"Mars"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.146431084189892,"eotMinutes":-2.803294500272213,"ayanamsa":24.0904}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pratipada · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 December 30, 2016 CE · Chicago, USA · Vidhyamitra","description":"December 30, 2016 CE for Chicago, USA: Śukla Pratipada, sūryodaya 07:18, sūryāsta 16:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2016-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2016-12-30","sa":"https://sa.vidhyamitra.com/city/chicago/2016-12-30","hi":"https://hi.vidhyamitra.com/city/chicago/2016-12-30","x-default":"https://vidhyamitra.com/city/chicago/2016-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:12:35.460Z","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":"2026-06-02T06:12:35.460Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:12:35.460Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}