{"id":"vidhyamitra:city-day:chicago:2040-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2040-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2040-08-17","date_display":"August 17, 2040 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":2040,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466383.770833,"kali_year":5142,"ahargana":1877918.2708,"sun":{"sidereal_longitude":119.6278,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":229.1429,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.5151,"elapsed_within_tithi_degrees":1.5151},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":229.1429,"elapsed_within_degrees":2.4762},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.7707},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":2040,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2466383.770833,"ahargana":1877918.2708,"kali_year":5142,"ayanamsa_lahiri":24.4205,"grahas":{"sun":{"sidereal_longitude":120.34906000000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":226.56385999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":-0.803},"mars":{"sidereal_longitude":156.61145999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":123.71656000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":157.07845999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":141.00245999999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":163.94106,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":38.8528,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":218.8528,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":"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":2040,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466383.770833,"kali_year":5142,"ahargana":1877918.2708,"sun":{"sidereal_longitude":119.6278,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":229.1429,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.5151,"elapsed_within_tithi_degrees":1.5151},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":229.1429,"elapsed_within_degrees":2.4762},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.7707},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.803,"elongation":109.515},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.803,"opposition_distance":70.485}},"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":"05:01","sunsetLocal":"18:48","solarNoonLocal":"11:54","dayLengthHours":13.783964510421491,"dayLengthDisplay":"13 Hours 47 Mins 02 Secs","nightLengthDisplay":"10 Hours 12 Mins 58 Secs","moonriseLocal":"14:21","moonsetLocal":"23:37","rahuKala":{"name":"Rāhu Kāla","start":"10:11","end":"11:54","startHours":10.18155079543261,"endHours":11.904546359235297,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:21","end":"17:04","startHours":15.350537486840668,"endHours":17.073533050643356,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:44","end":"08:28","startHours":6.735559667827237,"endHours":8.458555231629923,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:14","end":"08:41","startHours":8.228822489789565,"endHours":8.688287973470281,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:35","end":"05:57","startHours":5.586895958625447,"endHours":5.95446834557002,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:22","startHours":11.44508087555458,"endHours":12.364011842916014,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:10","end":"04:06","startHours":3.1747021693016855,"endHours":4.093633136663119,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:52","end":"05:01","startHours":3.86390039482276,"endHours":5.012564104024551,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:07","startHours":14.20187377763888,"endHours":15.120804745000314,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.596528614446044,"endHours":18.996528614446042,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:22","startHours":18.796528614446043,"endHours":19.37086046904694,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.546528614446043,"endHours":20.296528614446043,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:22","startHours":23.44508087555458,"endHours":24.364011842916014,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:01","end":"06:44","startHours":5.012564104024551,"endHours":6.735559667827237,"quality":"neutral"},{"name":"Labha","start":"06:44","end":"08:28","startHours":6.735559667827237,"endHours":8.458555231629923,"quality":"auspicious"},{"name":"Amṛta","start":"08:28","end":"10:11","startHours":8.458555231629923,"endHours":10.18155079543261,"quality":"auspicious"},{"name":"Kāla","start":"10:11","end":"11:54","startHours":10.18155079543261,"endHours":11.904546359235297,"quality":"inauspicious"},{"name":"Śubha","start":"11:54","end":"13:38","startHours":11.904546359235297,"endHours":13.627541923037985,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:21","startHours":13.627541923037985,"endHours":15.350537486840668,"quality":"inauspicious"},{"name":"Udveg","start":"15:21","end":"17:04","startHours":15.350537486840668,"endHours":17.073533050643356,"quality":"inauspicious"},{"name":"Chala","start":"17:04","end":"18:48","startHours":17.073533050643356,"endHours":18.796528614446043,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:48","end":"20:04","startHours":18.796528614446043,"endHours":20.073533050643356,"quality":"inauspicious"},{"name":"Udveg","start":"20:04","end":"21:21","startHours":20.073533050643356,"endHours":21.350537486840672,"quality":"inauspicious"},{"name":"Chala","start":"21:21","end":"22:38","startHours":21.350537486840672,"endHours":22.627541923037985,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"23:54","startHours":22.627541923037985,"endHours":23.904546359235297,"quality":"auspicious"},{"name":"Amṛta","start":"23:54","end":"01:11","startHours":23.904546359235297,"endHours":25.18155079543261,"quality":"auspicious"},{"name":"Kāla","start":"01:11","end":"02:28","startHours":25.18155079543261,"endHours":26.458555231629923,"quality":"inauspicious"},{"name":"Śubha","start":"02:28","end":"03:44","startHours":26.458555231629923,"endHours":27.73555966782724,"quality":"auspicious"},{"name":"Roga","start":"03:44","end":"05:01","startHours":27.73555966782724,"endHours":29.012564104024552,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:01","end":"06:01","startHours":5.012564104024551,"endHours":6.012564104024551,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:01","end":"07:01","startHours":6.012564104024551,"endHours":7.012564104024551,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:01","end":"08:01","startHours":7.012564104024551,"endHours":8.012564104024552,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:01","end":"09:01","startHours":8.012564104024552,"endHours":9.012564104024552,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:01","end":"10:01","startHours":9.012564104024552,"endHours":10.012564104024552,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:01","end":"11:01","startHours":10.012564104024552,"endHours":11.012564104024552,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:01","end":"12:01","startHours":11.012564104024552,"endHours":12.012564104024552,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:01","end":"13:01","startHours":12.012564104024552,"endHours":13.012564104024552,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:01","end":"14:01","startHours":13.012564104024552,"endHours":14.012564104024552,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:01","end":"15:01","startHours":14.012564104024552,"endHours":15.012564104024552,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:01","end":"16:01","startHours":15.012564104024552,"endHours":16.012564104024552,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:01","end":"17:01","startHours":16.012564104024552,"endHours":17.012564104024552,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:01","end":"18:01","startHours":17.012564104024552,"endHours":18.012564104024552,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:01","end":"19:01","startHours":18.012564104024552,"endHours":19.012564104024552,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:01","end":"20:01","startHours":19.012564104024552,"endHours":20.012564104024552,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:01","end":"21:01","startHours":20.012564104024552,"endHours":21.012564104024552,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:01","end":"22:01","startHours":21.012564104024552,"endHours":22.012564104024552,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:01","end":"23:01","startHours":22.012564104024552,"endHours":23.012564104024552,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:01","end":"00:01","startHours":23.012564104024552,"endHours":24.012564104024552,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:01","end":"01:01","startHours":24.012564104024552,"endHours":25.012564104024552,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:01","end":"02:01","startHours":25.012564104024552,"endHours":26.012564104024552,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:01","end":"03:01","startHours":26.012564104024552,"endHours":27.012564104024552,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:01","end":"04:01","startHours":27.012564104024552,"endHours":28.012564104024552,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:01","end":"05:01","startHours":28.012564104024552,"endHours":29.012564104024552,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.26401495494073,"eotMinutes":-3.7535815541179196,"ayanamsa":24.4205}},"calendars":{"vikram_samvat":2097,"vikram_samvatsara":"Śrīmukha","saka_samvat":1962,"saka_samvatsara":"Raudra","bengali_samvat":1447,"malayalam_era":1216,"nanakshahi_year":571,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Daśamī · Vikram 2097 Śrīmukha · Śaka 1962 Raudra"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi_ingress":"Siṃha"},"precedence":5}],"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":"Dedicated festival walk for Siṁha Saṅkrānti is not live yet; Śukravāra (Friday) — 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 17, 2040 CE · Chicago, USA · Vidhyamitra","description":"August 17, 2040 CE for Chicago, USA: Śukla Daśamī, sūryodaya 05:01, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2040-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2040-08-17","sa":"https://sa.vidhyamitra.com/city/chicago/2040-08-17","hi":"https://hi.vidhyamitra.com/city/chicago/2040-08-17","x-default":"https://vidhyamitra.com/city/chicago/2040-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T09:39:14.275Z","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":"2026-08-10T09:39:14.275Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T09:39:14.275Z","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"}}}