{"id":"vidhyamitra:city-day:chicago:2027-01-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2027-01-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-01-10","date_display":"January 10, 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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461415.770833,"kali_year":5128,"ahargana":1872950.2708,"sun":{"sidereal_longitude":265.0925,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":291.2205,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.128,"elapsed_within_tithi_degrees":2.128},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.2205,"elapsed_within_degrees":11.2205},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.313},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461415.770833,"ahargana":1872950.2708,"kali_year":5128,"ayanamsa_lahiri":24.2305,"grahas":{"sun":{"sidereal_longitude":265.314974,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":289.046474,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":-0.8471},"mars":{"sidereal_longitude":135.78767400000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":270.08707400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":121.31937400000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":218.13407400000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":344.573074,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":302.0814,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":122.0814,"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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461415.770833,"kali_year":5128,"ahargana":1872950.2708,"sun":{"sidereal_longitude":265.0925,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":291.2205,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.128,"elapsed_within_tithi_degrees":2.128},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.2205,"elapsed_within_degrees":11.2205},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.313},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.847,"elongation":26.128},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.847,"opposition_distance":153.872}},"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":"16:38","solarNoonLocal":"11:58","dayLengthHours":9.338330771359457,"dayLengthDisplay":"9 Hours 20 Mins 18 Secs","nightLengthDisplay":"14 Hours 39 Mins 42 Secs","moonriseLocal":"08:33","moonsetLocal":"18:33","rahuKala":{"name":"Rāhu Kāla","start":"15:28","end":"16:38","startHours":15.4688494363359,"endHours":16.63614078275583,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:58","end":"13:08","startHours":11.966975397076101,"endHours":13.134266743496035,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:18","end":"15:28","startHours":14.301558089915966,"endHours":15.4688494363359,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:47","startHours":9.476753858046914,"endHours":9.788031550425561,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:56","startHours":7.686907126869684,"endHours":7.935929280772603,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:17","startHours":11.655697704697452,"endHours":12.27825308945475,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:03","end":"06:41","startHours":6.052699241881779,"endHours":6.675254626639076,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:18","startHours":6.519615780449753,"endHours":7.297810011396374,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:31","end":"14:09","startHours":13.523363858969345,"endHours":14.145919243726642,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:26","end":"16:50","startHours":16.43614078275583,"endHours":16.83614078275583,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:38","end":"17:02","startHours":16.63614078275583,"endHours":17.025237898229143,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:23","end":"18:08","startHours":16.38614078275583,"endHours":18.13614078275583,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:17","startHours":23.655697704697452,"endHours":24.27825308945475,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:18","end":"08:28","startHours":7.297810011396374,"endHours":8.465101357816305,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"09:38","startHours":8.465101357816305,"endHours":9.632392704236239,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"10:48","startHours":9.632392704236239,"endHours":10.79968405065617,"quality":"auspicious"},{"name":"Amṛta","start":"10:48","end":"11:58","startHours":10.79968405065617,"endHours":11.966975397076101,"quality":"auspicious"},{"name":"Kāla","start":"11:58","end":"13:08","startHours":11.966975397076101,"endHours":13.134266743496035,"quality":"inauspicious"},{"name":"Śubha","start":"13:08","end":"14:18","startHours":13.134266743496035,"endHours":14.301558089915966,"quality":"auspicious"},{"name":"Roga","start":"14:18","end":"15:28","startHours":14.301558089915966,"endHours":15.4688494363359,"quality":"inauspicious"},{"name":"Udveg","start":"15:28","end":"16:38","startHours":15.4688494363359,"endHours":16.63614078275583,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"16:38","end":"18:28","startHours":16.63614078275583,"endHours":18.468849436335898,"quality":"auspicious"},{"name":"Roga","start":"18:28","end":"20:18","startHours":18.468849436335898,"endHours":20.301558089915968,"quality":"inauspicious"},{"name":"Udveg","start":"20:18","end":"22:08","startHours":20.301558089915968,"endHours":22.134266743496035,"quality":"inauspicious"},{"name":"Chala","start":"22:08","end":"23:58","startHours":22.134266743496035,"endHours":23.9669753970761,"quality":"neutral"},{"name":"Labha","start":"23:58","end":"01:48","startHours":23.9669753970761,"endHours":25.799684050656168,"quality":"auspicious"},{"name":"Amṛta","start":"01:48","end":"03:38","startHours":25.799684050656168,"endHours":27.63239270423624,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:28","startHours":27.63239270423624,"endHours":29.465101357816305,"quality":"inauspicious"},{"name":"Śubha","start":"05:28","end":"07:18","startHours":29.465101357816305,"endHours":31.297810011396372,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.297810011396374,"endHours":8.297810011396374,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.297810011396374,"endHours":9.297810011396374,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.297810011396374,"endHours":10.297810011396374,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.297810011396374,"endHours":11.297810011396374,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.297810011396374,"endHours":12.297810011396374,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.297810011396374,"endHours":13.297810011396374,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.297810011396374,"endHours":14.297810011396374,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.297810011396374,"endHours":15.297810011396374,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.297810011396374,"endHours":16.297810011396372,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.297810011396372,"endHours":17.297810011396372,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.297810011396372,"endHours":18.297810011396372,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.297810011396372,"endHours":19.297810011396372,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.297810011396372,"endHours":20.297810011396372,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.297810011396372,"endHours":21.297810011396372,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.297810011396372,"endHours":22.297810011396372,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.297810011396372,"endHours":23.297810011396372,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.297810011396372,"endHours":24.297810011396372,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.297810011396372,"endHours":25.297810011396372,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.297810011396372,"endHours":26.297810011396372,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.297810011396372,"endHours":27.297810011396372,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.297810011396372,"endHours":28.297810011396372,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.297810011396372,"endHours":29.297810011396372,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.297810011396372,"endHours":30.297810011396372,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.297810011396372,"endHours":31.297810011396372,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"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":-22.012794491234832,"eotMinutes":-7.499323824565993,"ayanamsa":24.2305}},"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 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 Tṛtīyā · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 January 10, 2027 CE · Chicago, USA · Vidhyamitra","description":"January 10, 2027 CE for Chicago, USA: Śukla Tṛtīyā, sūryodaya 07:18, sūryāsta 16:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2027-01-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2027-01-10","sa":"https://sa.vidhyamitra.com/city/chicago/2027-01-10","hi":"https://hi.vidhyamitra.com/city/chicago/2027-01-10","x-default":"https://vidhyamitra.com/city/chicago/2027-01-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-07-26T09:15:46.618Z","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":"2026-07-26T09:15:46.618Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-07-26T09:15:46.618Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no founder-city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","Divyāṁśa-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}