{"id":"vidhyamitra:city-day:chicago:2007-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2007-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2007-08-16","date_display":"August 16, 2007 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":2007,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454328.770833,"kali_year":5109,"ahargana":1865863.2708,"sun":{"sidereal_longitude":118.2308,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":156.5933,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.3625,"elapsed_within_tithi_degrees":2.3625},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.5933,"elapsed_within_degrees":9.9266},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.8241},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2007,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454328.770833,"ahargana":1865863.2708,"kali_year":5109,"ayanamsa_lahiri":23.9595,"grahas":{"sun":{"sidereal_longitude":118.86484999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":154.44835,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-1.4643},"mars":{"sidereal_longitude":41.555650000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":118.99504999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":226.81635000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":121.99144999999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":123.62365,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":317.5847,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":137.5847,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva 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":2007,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454328.770833,"kali_year":5109,"ahargana":1865863.2708,"sun":{"sidereal_longitude":118.2308,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":156.5933,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.3625,"elapsed_within_tithi_degrees":2.3625},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.5933,"elapsed_within_degrees":9.9266},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.8241},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.464,"elongation":38.363},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.464,"opposition_distance":141.637}},"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":"04:58","sunsetLocal":"18:51","solarNoonLocal":"11:54","dayLengthHours":13.868029097854425,"dayLengthDisplay":"13 Hours 52 Mins 05 Secs","nightLengthDisplay":"10 Hours 07 Mins 55 Secs","moonriseLocal":"08:11","moonsetLocal":"20:22","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:23","startHours":13.641654563850675,"endHours":15.37515820108248,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"04:58","end":"06:42","startHours":4.974136377691661,"endHours":6.707640014923464,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:26","end":"10:10","startHours":8.441143652155267,"endHours":10.174647289387071,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:13","end":"08:40","startHours":8.210009833857693,"endHours":8.67227747045284,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:33","end":"05:55","startHours":5.551970923435595,"endHours":5.921785032711713,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:22","startHours":11.445883290023726,"endHours":12.37041856321402,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:08","end":"04:03","startHours":3.125065831311071,"endHours":4.049601104501366,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:49","end":"04:58","startHours":3.818467286203792,"endHours":4.974136377691661,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:09","startHours":14.219489109594612,"endHours":15.144024382784908,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.642165475546086,"endHours":19.042165475546085,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:25","startHours":18.842165475546086,"endHours":19.42000002129002,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.592165475546086,"endHours":20.342165475546086,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:22","startHours":23.445883290023726,"endHours":24.37041856321402,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"04:58","end":"06:42","startHours":4.974136377691661,"endHours":6.707640014923464,"quality":"auspicious"},{"name":"Roga","start":"06:42","end":"08:26","startHours":6.707640014923464,"endHours":8.441143652155267,"quality":"inauspicious"},{"name":"Udveg","start":"08:26","end":"10:10","startHours":8.441143652155267,"endHours":10.174647289387071,"quality":"inauspicious"},{"name":"Chala","start":"10:10","end":"11:54","startHours":10.174647289387071,"endHours":11.908150926618873,"quality":"neutral"},{"name":"Labha","start":"11:54","end":"13:38","startHours":11.908150926618873,"endHours":13.641654563850675,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:23","startHours":13.641654563850675,"endHours":15.37515820108248,"quality":"auspicious"},{"name":"Kāla","start":"15:23","end":"17:07","startHours":15.37515820108248,"endHours":17.108661838314283,"quality":"inauspicious"},{"name":"Śubha","start":"17:07","end":"18:51","startHours":17.108661838314283,"endHours":18.842165475546086,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:51","end":"20:07","startHours":18.842165475546086,"endHours":20.108661838314283,"quality":"auspicious"},{"name":"Kāla","start":"20:07","end":"21:23","startHours":20.108661838314283,"endHours":21.375158201082478,"quality":"inauspicious"},{"name":"Śubha","start":"21:23","end":"22:38","startHours":21.375158201082478,"endHours":22.641654563850675,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"23:54","startHours":22.641654563850675,"endHours":23.908150926618873,"quality":"inauspicious"},{"name":"Udveg","start":"23:54","end":"01:10","startHours":23.908150926618873,"endHours":25.17464728938707,"quality":"inauspicious"},{"name":"Chala","start":"01:10","end":"02:26","startHours":25.17464728938707,"endHours":26.44114365215527,"quality":"neutral"},{"name":"Labha","start":"02:26","end":"03:42","startHours":26.44114365215527,"endHours":27.707640014923463,"quality":"auspicious"},{"name":"Amṛta","start":"03:42","end":"04:58","startHours":27.707640014923463,"endHours":28.97413637769166,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:58","end":"05:58","startHours":4.974136377691661,"endHours":5.974136377691661,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"05:58","end":"06:58","startHours":5.974136377691661,"endHours":6.974136377691661,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"06:58","end":"07:58","startHours":6.974136377691661,"endHours":7.974136377691661,"planetary_lord":"Moon"},{"name":"Hora 4","start":"07:58","end":"08:58","startHours":7.974136377691661,"endHours":8.97413637769166,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"08:58","end":"09:58","startHours":8.97413637769166,"endHours":9.97413637769166,"planetary_lord":"Venus"},{"name":"Hora 6","start":"09:58","end":"10:58","startHours":9.97413637769166,"endHours":10.97413637769166,"planetary_lord":"Sun"},{"name":"Hora 7","start":"10:58","end":"11:58","startHours":10.97413637769166,"endHours":11.97413637769166,"planetary_lord":"Mars"},{"name":"Hora 8","start":"11:58","end":"12:58","startHours":11.97413637769166,"endHours":12.97413637769166,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"12:58","end":"13:58","startHours":12.97413637769166,"endHours":13.97413637769166,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"13:58","end":"14:58","startHours":13.97413637769166,"endHours":14.97413637769166,"planetary_lord":"Moon"},{"name":"Hora 11","start":"14:58","end":"15:58","startHours":14.97413637769166,"endHours":15.97413637769166,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"15:58","end":"16:58","startHours":15.97413637769166,"endHours":16.97413637769166,"planetary_lord":"Venus"},{"name":"Hora 13","start":"16:58","end":"17:58","startHours":16.97413637769166,"endHours":17.97413637769166,"planetary_lord":"Sun"},{"name":"Hora 14","start":"17:58","end":"18:58","startHours":17.97413637769166,"endHours":18.97413637769166,"planetary_lord":"Mars"},{"name":"Hora 15","start":"18:58","end":"19:58","startHours":18.97413637769166,"endHours":19.97413637769166,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"19:58","end":"20:58","startHours":19.97413637769166,"endHours":20.97413637769166,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"20:58","end":"21:58","startHours":20.97413637769166,"endHours":21.97413637769166,"planetary_lord":"Moon"},{"name":"Hora 18","start":"21:58","end":"22:58","startHours":21.97413637769166,"endHours":22.97413637769166,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"22:58","end":"23:58","startHours":22.97413637769166,"endHours":23.97413637769166,"planetary_lord":"Venus"},{"name":"Hora 20","start":"23:58","end":"00:58","startHours":23.97413637769166,"endHours":24.97413637769166,"planetary_lord":"Sun"},{"name":"Hora 21","start":"00:58","end":"01:58","startHours":24.97413637769166,"endHours":25.97413637769166,"planetary_lord":"Mars"},{"name":"Hora 22","start":"01:58","end":"02:58","startHours":25.97413637769166,"endHours":26.97413637769166,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"02:58","end":"03:58","startHours":26.97413637769166,"endHours":27.97413637769166,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"03:58","end":"04:58","startHours":27.97413637769166,"endHours":28.97413637769166,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.906256133368439,"eotMinutes":-3.969855597132357,"ayanamsa":23.9595}},"calendars":{"vikram_samvat":2064,"vikram_samvatsara":"Śārvarī","saka_samvat":1929,"saka_samvatsara":"Sarvajit","bengali_samvat":1414,"malayalam_era":1183,"nanakshahi_year":538,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 2064 Śārvarī · Śaka 1929 Sarvajit"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"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 16, 2007 CE · Chicago, USA · Vidhyamitra","description":"August 16, 2007 CE for Chicago, USA: Śukla Caturthī, sūryodaya 04:58, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2007-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2007-08-16","sa":"https://sa.vidhyamitra.com/city/chicago/2007-08-16","hi":"https://hi.vidhyamitra.com/city/chicago/2007-08-16","x-default":"https://vidhyamitra.com/city/chicago/2007-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:01:06.934Z","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":"2026-06-03T06:01:06.934Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:01:06.934Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}