{"id":"vidhyamitra:city-day:chicago:2027-01-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2027-01-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-01-07","date_display":"January 7, 2027 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":2027,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461412.770833,"kali_year":5128,"ahargana":1872947.2708,"sun":{"sidereal_longitude":262.009,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":253.4227,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.4138,"elapsed_within_tithi_degrees":3.4138},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.4227,"elapsed_within_degrees":0.0894},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.4317},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2027,"month":1,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461412.770833,"ahargana":1872947.2708,"kali_year":5128,"ayanamsa_lahiri":24.2304,"grahas":{"sun":{"sidereal_longitude":262.257389,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":253.53508899999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":-3.3853},"mars":{"sidereal_longitude":135.71418900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":265.141489,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":121.56698900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":214.99128900000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":344.421089,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":302.2403,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":122.2403,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"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":2027,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461412.770833,"kali_year":5128,"ahargana":1872947.2708,"sun":{"sidereal_longitude":262.009,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":253.4227,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.4138,"elapsed_within_tithi_degrees":3.4138},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.4227,"elapsed_within_degrees":0.0894},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.4317},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.385,"elongation":8.586},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.385,"opposition_distance":171.414}},"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":"16:35","solarNoonLocal":"11:57","dayLengthHours":9.278453273833458,"dayLengthDisplay":"9 Hours 16 Mins 42 Secs","nightLengthDisplay":"14 Hours 43 Mins 18 Secs","moonriseLocal":"06:49","moonsetLocal":"15:55","rahuKala":{"name":"Rāhu Kāla","start":"13:06","end":"14:16","startHours":13.10666123101951,"endHours":14.266467890248693,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:18","end":"08:28","startHours":7.307627934873599,"endHours":8.467434594102782,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:38","end":"10:47","startHours":9.627241253331963,"endHours":10.787047912561146,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:47","startHours":9.47260036543474,"endHours":9.781882141229188,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"07:56","startHours":7.69423015461666,"endHours":7.941655575252219,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:15","startHours":11.63757279599588,"endHours":12.256136347584778,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:41","startHours":6.070500831695805,"endHours":6.689064383284702,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:18","startHours":6.534423495387477,"endHours":7.307627934873599,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:30","end":"14:07","startHours":13.493263450762571,"endHours":14.111827002351468,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:23","end":"16:47","startHours":16.386081208707058,"endHours":16.786081208707056,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:35","end":"16:58","startHours":16.586081208707057,"endHours":16.972683428450118,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:20","end":"18:05","startHours":16.336081208707057,"endHours":18.086081208707057,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:15","startHours":23.63757279599588,"endHours":24.25613634758478,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:18","end":"08:28","startHours":7.307627934873599,"endHours":8.467434594102782,"quality":"auspicious"},{"name":"Roga","start":"08:28","end":"09:38","startHours":8.467434594102782,"endHours":9.627241253331963,"quality":"inauspicious"},{"name":"Udveg","start":"09:38","end":"10:47","startHours":9.627241253331963,"endHours":10.787047912561146,"quality":"inauspicious"},{"name":"Chala","start":"10:47","end":"11:57","startHours":10.787047912561146,"endHours":11.946854571790329,"quality":"neutral"},{"name":"Labha","start":"11:57","end":"13:06","startHours":11.946854571790329,"endHours":13.10666123101951,"quality":"auspicious"},{"name":"Amṛta","start":"13:06","end":"14:16","startHours":13.10666123101951,"endHours":14.266467890248693,"quality":"auspicious"},{"name":"Kāla","start":"14:16","end":"15:26","startHours":14.266467890248693,"endHours":15.426274549477874,"quality":"inauspicious"},{"name":"Śubha","start":"15:26","end":"16:35","startHours":15.426274549477874,"endHours":16.586081208707057,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"16:35","end":"18:26","startHours":16.586081208707057,"endHours":18.426274549477874,"quality":"auspicious"},{"name":"Kāla","start":"18:26","end":"20:16","startHours":18.426274549477874,"endHours":20.26646789024869,"quality":"inauspicious"},{"name":"Śubha","start":"20:16","end":"22:06","startHours":20.26646789024869,"endHours":22.10666123101951,"quality":"auspicious"},{"name":"Roga","start":"22:06","end":"23:57","startHours":22.10666123101951,"endHours":23.94685457179033,"quality":"inauspicious"},{"name":"Udveg","start":"23:57","end":"01:47","startHours":23.94685457179033,"endHours":25.787047912561146,"quality":"inauspicious"},{"name":"Chala","start":"01:47","end":"03:38","startHours":25.787047912561146,"endHours":27.627241253331963,"quality":"neutral"},{"name":"Labha","start":"03:38","end":"05:28","startHours":27.627241253331963,"endHours":29.467434594102784,"quality":"auspicious"},{"name":"Amṛta","start":"05:28","end":"07:18","startHours":29.467434594102784,"endHours":31.3076279348736,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.307627934873599,"endHours":8.307627934873599,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.307627934873599,"endHours":9.307627934873599,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.307627934873599,"endHours":10.307627934873599,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.307627934873599,"endHours":11.307627934873599,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.307627934873599,"endHours":12.307627934873599,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.307627934873599,"endHours":13.307627934873599,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.307627934873599,"endHours":14.307627934873599,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.307627934873599,"endHours":15.307627934873599,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.307627934873599,"endHours":16.3076279348736,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.3076279348736,"endHours":17.3076279348736,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.3076279348736,"endHours":18.3076279348736,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.3076279348736,"endHours":19.3076279348736,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.3076279348736,"endHours":20.3076279348736,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.3076279348736,"endHours":21.3076279348736,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.3076279348736,"endHours":22.3076279348736,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.3076279348736,"endHours":23.3076279348736,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.3076279348736,"endHours":24.3076279348736,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.3076279348736,"endHours":25.3076279348736,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.3076279348736,"endHours":26.3076279348736,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.3076279348736,"endHours":27.3076279348736,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.3076279348736,"endHours":28.3076279348736,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.3076279348736,"endHours":29.3076279348736,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.3076279348736,"endHours":30.3076279348736,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.3076279348736,"endHours":31.3076279348736,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.419052842345664,"eotMinutes":-6.292074307419696,"ayanamsa":24.2304}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 January 7, 2027 CE · Chicago, USA · Vidhyamitra","description":"January 7, 2027 CE for Chicago, USA: Kṛṣṇa Amāvasyā, sūryodaya 07:18, sūryāsta 16:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2027-01-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2027-01-07","sa":"https://sa.vidhyamitra.com/city/chicago/2027-01-07","hi":"https://hi.vidhyamitra.com/city/chicago/2027-01-07","x-default":"https://vidhyamitra.com/city/chicago/2027-01-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T22:44:05.246Z","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":"2026-05-14T22:44:05.246Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T22:44:05.246Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}