{"id":"vidhyamitra:city-day:chicago:2010-01-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2010-01-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-01-30","date_display":"January 30, 2010 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2010,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455226.770833,"kali_year":5111,"ahargana":1866761.2708,"sun":{"sidereal_longitude":286.0135,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":102.5907,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.5772,"elapsed_within_tithi_degrees":8.5772},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.5907,"elapsed_within_degrees":9.2573},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.6042},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2010,"month":1,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455226.770833,"ahargana":1866761.2708,"kali_year":5111,"ayanamsa_lahiri":23.9938,"grahas":{"sun":{"sidereal_longitude":286.03433999999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":102.90304000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-0.9796},"mars":{"sidereal_longitude":105.58083999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":261.24954,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":308.9691399999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":290.26333999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":160.18944,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":270.0044,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":90.0044,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2010,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455226.770833,"kali_year":5111,"ahargana":1866761.2708,"sun":{"sidereal_longitude":286.0135,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":102.5907,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.5772,"elapsed_within_tithi_degrees":8.5772},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.5907,"elapsed_within_degrees":9.2573},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.6042},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.98,"elongation":176.577},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.98,"opposition_distance":3.423}},"eclipse_window_40days":[{"offset_days":-15,"type":"solar","occurs":true,"moon_latitude":-0.153,"elongation":1.79}]},"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":"07:06","sunsetLocal":"17:02","solarNoonLocal":"12:04","dayLengthHours":9.941797084990746,"dayLengthDisplay":"9 Hours 56 Mins 30 Secs","nightLengthDisplay":"14 Hours 03 Mins 30 Secs","moonriseLocal":"16:38","moonsetLocal":"07:05","rahuKala":{"name":"Rāhu Kāla","start":"09:35","end":"10:49","startHours":9.579156495015056,"endHours":10.8218811306389,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:18","end":"14:33","startHours":13.307330401886587,"endHours":14.550055037510429,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:06","end":"08:20","startHours":7.09370722376737,"endHours":8.336431859391213,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:45","startHours":9.413459876931878,"endHours":9.744853113098236,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:46","startHours":7.507948768975318,"endHours":7.773063357908405,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:24","startHours":11.733212530096386,"endHours":12.395999002429102,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:26","startHours":5.768134279101938,"endHours":6.430920751434654,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:06","startHours":6.265224133351475,"endHours":7.09370722376737,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:23","startHours":13.721571947094535,"endHours":14.384358419427251,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:50","end":"17:14","startHours":16.835504308758118,"endHours":17.235504308758117,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:02","end":"17:27","startHours":17.035504308758117,"endHours":17.449745853966064,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:47","end":"18:32","startHours":16.785504308758117,"endHours":18.535504308758117,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:24","startHours":23.733212530096385,"endHours":24.395999002429104,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:06","end":"08:20","startHours":7.09370722376737,"endHours":8.336431859391213,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:35","startHours":8.336431859391213,"endHours":9.579156495015056,"quality":"auspicious"},{"name":"Roga","start":"09:35","end":"10:49","startHours":9.579156495015056,"endHours":10.8218811306389,"quality":"inauspicious"},{"name":"Udveg","start":"10:49","end":"12:04","startHours":10.8218811306389,"endHours":12.064605766262744,"quality":"inauspicious"},{"name":"Chala","start":"12:04","end":"13:18","startHours":12.064605766262744,"endHours":13.307330401886587,"quality":"neutral"},{"name":"Labha","start":"13:18","end":"14:33","startHours":13.307330401886587,"endHours":14.550055037510429,"quality":"auspicious"},{"name":"Amṛta","start":"14:33","end":"15:48","startHours":14.550055037510429,"endHours":15.792779673134273,"quality":"auspicious"},{"name":"Kāla","start":"15:48","end":"17:02","startHours":15.792779673134273,"endHours":17.035504308758117,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:02","end":"18:48","startHours":17.035504308758117,"endHours":18.792779673134273,"quality":"auspicious"},{"name":"Amṛta","start":"18:48","end":"20:33","startHours":18.792779673134273,"endHours":20.550055037510432,"quality":"auspicious"},{"name":"Kāla","start":"20:33","end":"22:18","startHours":20.550055037510432,"endHours":22.30733040188659,"quality":"inauspicious"},{"name":"Śubha","start":"22:18","end":"00:04","startHours":22.30733040188659,"endHours":24.064605766262744,"quality":"auspicious"},{"name":"Roga","start":"00:04","end":"01:49","startHours":24.064605766262744,"endHours":25.8218811306389,"quality":"inauspicious"},{"name":"Udveg","start":"01:49","end":"03:35","startHours":25.8218811306389,"endHours":27.579156495015056,"quality":"inauspicious"},{"name":"Chala","start":"03:35","end":"05:20","startHours":27.579156495015056,"endHours":29.336431859391215,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"07:06","startHours":29.336431859391215,"endHours":31.09370722376737,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.09370722376737,"endHours":8.093707223767371,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.093707223767371,"endHours":9.093707223767371,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.093707223767371,"endHours":10.093707223767371,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.093707223767371,"endHours":11.093707223767371,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.093707223767371,"endHours":12.093707223767371,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.093707223767371,"endHours":13.093707223767371,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.093707223767371,"endHours":14.093707223767371,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.093707223767371,"endHours":15.093707223767371,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.093707223767371,"endHours":16.09370722376737,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09370722376737,"endHours":17.09370722376737,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09370722376737,"endHours":18.09370722376737,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09370722376737,"endHours":19.09370722376737,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09370722376737,"endHours":20.09370722376737,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09370722376737,"endHours":21.09370722376737,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09370722376737,"endHours":22.09370722376737,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09370722376737,"endHours":23.09370722376737,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09370722376737,"endHours":24.09370722376737,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09370722376737,"endHours":25.09370722376737,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09370722376737,"endHours":26.09370722376737,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09370722376737,"endHours":27.09370722376737,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09370722376737,"endHours":28.09370722376737,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09370722376737,"endHours":29.09370722376737,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09370722376737,"endHours":30.09370722376737,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09370722376737,"endHours":31.09370722376737,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.73140222159502,"eotMinutes":-13.357145975764517,"ayanamsa":23.9938}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pūrṇimā · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2}],"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":"Dedicated festival walk for Māghī Pūrṇimā is not live yet; 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 January 30, 2010 CE · Chicago, USA · Vidhyamitra","description":"January 30, 2010 CE for Chicago, USA: Śukla Pūrṇimā, sūryodaya 07:06, sūryāsta 17:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2010-01-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2010-01-30","sa":"https://sa.vidhyamitra.com/city/chicago/2010-01-30","hi":"https://hi.vidhyamitra.com/city/chicago/2010-01-30","x-default":"https://vidhyamitra.com/city/chicago/2010-01-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T10:51:46.476Z","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":"2026-08-10T10:51:46.476Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T10:51:46.476Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single 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","reader-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"}}}