{"id":"vidhyamitra:city-day:chicago:2025-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2025-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-08-01","date_display":"August 1, 2025 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":2025,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460888.770833,"kali_year":5127,"ahargana":1872423.2708,"sun":{"sidereal_longitude":104.2607,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":189.8299,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.5692,"elapsed_within_tithi_degrees":1.5692},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.8299,"elapsed_within_degrees":3.1632},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.0906},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2025,"month":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460888.770833,"ahargana":1872423.2708,"kali_year":5127,"ayanamsa_lahiri":24.2104,"grahas":{"sun":{"sidereal_longitude":104.85811000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":189.43501000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":-2.8803},"mars":{"sidereal_longitude":151.73361,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":104.36820999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":77.42170999999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":66.42901,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":337.49601,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":330.0044,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":150.0044,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"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":2025,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460888.770833,"kali_year":5127,"ahargana":1872423.2708,"sun":{"sidereal_longitude":104.2607,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":189.8299,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.5692,"elapsed_within_tithi_degrees":1.5692},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.8299,"elapsed_within_degrees":3.1632},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.0906},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.88,"elongation":85.569},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.88,"opposition_distance":94.431}},"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":"04:44","sunsetLocal":"19:09","solarNoonLocal":"11:57","dayLengthHours":14.420828977991484,"dayLengthDisplay":"14 Hours 25 Mins 15 Secs","nightLengthDisplay":"9 Hours 34 Mins 45 Secs","moonriseLocal":"12:18","moonsetLocal":"22:51","rahuKala":{"name":"Rāhu Kāla","start":"10:08","end":"11:57","startHours":10.139677542196239,"endHours":11.942281164445173,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:33","end":"17:21","startHours":15.547488408943046,"endHours":17.35009203119198,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:32","end":"08:20","startHours":6.534470297698368,"endHours":8.337073919947304,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:06","end":"08:35","startHours":8.096726770314111,"endHours":8.577421069580495,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:20","end":"05:43","startHours":5.332734549532411,"endHours":5.7172899889455175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:25","startHours":11.461586865178791,"endHours":12.422975463711555,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:49","end":"03:46","startHours":2.8090894783839016,"endHours":3.770478076916667,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:32","end":"04:44","startHours":3.5301309272834756,"endHours":4.7318666754494325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:18","startHours":14.345752660777087,"endHours":15.307141259309853,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.952695653440916,"endHours":19.352695653440914,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:45","startHours":19.152695653440915,"endHours":19.753563527523895,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.902695653440915,"endHours":20.652695653440915,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:25","startHours":23.46158686517879,"endHours":24.422975463711555,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"04:44","end":"06:32","startHours":4.7318666754494325,"endHours":6.534470297698368,"quality":"neutral"},{"name":"Labha","start":"06:32","end":"08:20","startHours":6.534470297698368,"endHours":8.337073919947304,"quality":"auspicious"},{"name":"Amṛta","start":"08:20","end":"10:08","startHours":8.337073919947304,"endHours":10.139677542196239,"quality":"auspicious"},{"name":"Kāla","start":"10:08","end":"11:57","startHours":10.139677542196239,"endHours":11.942281164445173,"quality":"inauspicious"},{"name":"Śubha","start":"11:57","end":"13:45","startHours":11.942281164445173,"endHours":13.744884786694108,"quality":"auspicious"},{"name":"Roga","start":"13:45","end":"15:33","startHours":13.744884786694108,"endHours":15.547488408943046,"quality":"inauspicious"},{"name":"Udveg","start":"15:33","end":"17:21","startHours":15.547488408943046,"endHours":17.35009203119198,"quality":"inauspicious"},{"name":"Chala","start":"17:21","end":"19:09","startHours":17.35009203119198,"endHours":19.152695653440915,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:09","end":"20:21","startHours":19.152695653440915,"endHours":20.35009203119198,"quality":"inauspicious"},{"name":"Udveg","start":"20:21","end":"21:33","startHours":20.35009203119198,"endHours":21.547488408943046,"quality":"inauspicious"},{"name":"Chala","start":"21:33","end":"22:45","startHours":21.547488408943046,"endHours":22.744884786694108,"quality":"neutral"},{"name":"Labha","start":"22:45","end":"23:57","startHours":22.744884786694108,"endHours":23.942281164445173,"quality":"auspicious"},{"name":"Amṛta","start":"23:57","end":"01:08","startHours":23.942281164445173,"endHours":25.13967754219624,"quality":"auspicious"},{"name":"Kāla","start":"01:08","end":"02:20","startHours":25.13967754219624,"endHours":26.3370739199473,"quality":"inauspicious"},{"name":"Śubha","start":"02:20","end":"03:32","startHours":26.3370739199473,"endHours":27.534470297698366,"quality":"auspicious"},{"name":"Roga","start":"03:32","end":"04:44","startHours":27.534470297698366,"endHours":28.73186667544943,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:44","end":"05:44","startHours":4.7318666754494325,"endHours":5.7318666754494325,"planetary_lord":"Venus"},{"name":"Hora 2","start":"05:44","end":"06:44","startHours":5.7318666754494325,"endHours":6.7318666754494325,"planetary_lord":"Sun"},{"name":"Hora 3","start":"06:44","end":"07:44","startHours":6.7318666754494325,"endHours":7.7318666754494325,"planetary_lord":"Mars"},{"name":"Hora 4","start":"07:44","end":"08:44","startHours":7.7318666754494325,"endHours":8.731866675449432,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"08:44","end":"09:44","startHours":8.731866675449432,"endHours":9.731866675449432,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"09:44","end":"10:44","startHours":9.731866675449432,"endHours":10.731866675449432,"planetary_lord":"Moon"},{"name":"Hora 7","start":"10:44","end":"11:44","startHours":10.731866675449432,"endHours":11.731866675449432,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"11:44","end":"12:44","startHours":11.731866675449432,"endHours":12.731866675449432,"planetary_lord":"Venus"},{"name":"Hora 9","start":"12:44","end":"13:44","startHours":12.731866675449432,"endHours":13.731866675449432,"planetary_lord":"Sun"},{"name":"Hora 10","start":"13:44","end":"14:44","startHours":13.731866675449432,"endHours":14.731866675449432,"planetary_lord":"Mars"},{"name":"Hora 11","start":"14:44","end":"15:44","startHours":14.731866675449432,"endHours":15.731866675449432,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"15:44","end":"16:44","startHours":15.731866675449432,"endHours":16.73186667544943,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"16:44","end":"17:44","startHours":16.73186667544943,"endHours":17.73186667544943,"planetary_lord":"Moon"},{"name":"Hora 14","start":"17:44","end":"18:44","startHours":17.73186667544943,"endHours":18.73186667544943,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"18:44","end":"19:44","startHours":18.73186667544943,"endHours":19.73186667544943,"planetary_lord":"Venus"},{"name":"Hora 16","start":"19:44","end":"20:44","startHours":19.73186667544943,"endHours":20.73186667544943,"planetary_lord":"Sun"},{"name":"Hora 17","start":"20:44","end":"21:44","startHours":20.73186667544943,"endHours":21.73186667544943,"planetary_lord":"Mars"},{"name":"Hora 18","start":"21:44","end":"22:44","startHours":21.73186667544943,"endHours":22.73186667544943,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"22:44","end":"23:44","startHours":22.73186667544943,"endHours":23.73186667544943,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"23:44","end":"00:44","startHours":23.73186667544943,"endHours":24.73186667544943,"planetary_lord":"Moon"},{"name":"Hora 21","start":"00:44","end":"01:44","startHours":24.73186667544943,"endHours":25.73186667544943,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"01:44","end":"02:44","startHours":25.73186667544943,"endHours":26.73186667544943,"planetary_lord":"Venus"},{"name":"Hora 23","start":"02:44","end":"03:44","startHours":26.73186667544943,"endHours":27.73186667544943,"planetary_lord":"Sun"},{"name":"Hora 24","start":"03:44","end":"04:44","startHours":27.73186667544943,"endHours":28.73186667544943,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.986726820597546,"eotMinutes":-6.017669866710306,"ayanamsa":24.2104}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Aṣṭamī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 August 1, 2025 CE · Chicago, USA · Vidhyamitra","description":"August 1, 2025 CE for Chicago, USA: Śukla Aṣṭamī, sūryodaya 04:44, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2025-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2025-08-01","sa":"https://sa.vidhyamitra.com/city/chicago/2025-08-01","hi":"https://hi.vidhyamitra.com/city/chicago/2025-08-01","x-default":"https://vidhyamitra.com/city/chicago/2025-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:50:00.274Z","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":"2026-05-14T18:50:00.274Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:50:00.274Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}