{"id":"vidhyamitra:city-day:chicago:1981-06-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1981-06-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-07","date_display":"June 7, 1981 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":1981,"month":6,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444762.770833,"kali_year":5083,"ahargana":1856297.2708,"sun":{"sidereal_longitude":52.5006,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":111.7263,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.2256,"elapsed_within_tithi_degrees":11.2256},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.7263,"elapsed_within_degrees":5.0596},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.2269},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":1981,"month":6,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444762.770833,"ahargana":1856297.2708,"kali_year":5083,"ayanamsa_lahiri":23.5936,"grahas":{"sun":{"sidereal_longitude":52.625140999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":113.52994100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":0.5703},"mars":{"sidereal_longitude":37.94184100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":71.81044100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":157.21104100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":68.85434099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":159.15374099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":104.4375,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.4375,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":6,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444762.770833,"kali_year":5083,"ahargana":1856297.2708,"sun":{"sidereal_longitude":52.5006,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":111.7263,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.2256,"elapsed_within_tithi_degrees":11.2256},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.7263,"elapsed_within_degrees":5.0596},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.2269},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.57,"elongation":59.226},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.57,"opposition_distance":120.774}},"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":"04:16","sunsetLocal":"19:23","solarNoonLocal":"11:49","dayLengthHours":15.115752383666127,"dayLengthDisplay":"15 Hours 06 Mins 57 Secs","nightLengthDisplay":"8 Hours 53 Mins 03 Secs","moonriseLocal":"08:51","moonsetLocal":"22:55","rahuKala":{"name":"Rāhu Kāla","start":"17:29","end":"19:23","startHours":17.487617309698443,"endHours":19.377086357656708,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:49","end":"13:43","startHours":11.819210165823645,"endHours":13.70867921378191,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:29","startHours":15.598148261740176,"endHours":17.487617309698443,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:47","end":"08:18","startHours":7.7883428635126775,"endHours":8.292201276301547,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"04:53","end":"05:18","startHours":4.89115698997667,"endHours":5.294243720207767,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:19","end":"12:19","startHours":11.315351753034774,"endHours":12.323068578612515,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:15","end":"03:15","startHours":2.2459003228350976,"endHours":3.2536171484128396,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:00","end":"04:16","startHours":3.001687942018404,"endHours":4.261333973990581,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:21","startHours":14.338502229767998,"endHours":15.34621905534574,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:11","end":"19:35","startHours":19.17708635765671,"endHours":19.577086357656707,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:23","end":"20:00","startHours":19.377086357656708,"endHours":20.006909373642795,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:08","end":"20:53","startHours":19.127086357656708,"endHours":20.877086357656708,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:19","end":"00:19","startHours":23.315351753034772,"endHours":24.323068578612517,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"04:16","end":"06:09","startHours":4.261333973990581,"endHours":6.150803021948847,"quality":"inauspicious"},{"name":"Chala","start":"06:09","end":"08:02","startHours":6.150803021948847,"endHours":8.040272069907113,"quality":"neutral"},{"name":"Labha","start":"08:02","end":"09:56","startHours":8.040272069907113,"endHours":9.92974111786538,"quality":"auspicious"},{"name":"Amṛta","start":"09:56","end":"11:49","startHours":9.92974111786538,"endHours":11.819210165823645,"quality":"auspicious"},{"name":"Kāla","start":"11:49","end":"13:43","startHours":11.819210165823645,"endHours":13.70867921378191,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:36","startHours":13.70867921378191,"endHours":15.598148261740176,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:29","startHours":15.598148261740176,"endHours":17.487617309698443,"quality":"inauspicious"},{"name":"Udveg","start":"17:29","end":"19:23","startHours":17.487617309698443,"endHours":19.377086357656708,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:23","end":"20:29","startHours":19.377086357656708,"endHours":20.487617309698443,"quality":"auspicious"},{"name":"Roga","start":"20:29","end":"21:36","startHours":20.487617309698443,"endHours":21.598148261740178,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"22:43","startHours":21.598148261740178,"endHours":22.70867921378191,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"23:49","startHours":22.70867921378191,"endHours":23.819210165823645,"quality":"neutral"},{"name":"Labha","start":"23:49","end":"00:56","startHours":23.819210165823645,"endHours":24.92974111786538,"quality":"auspicious"},{"name":"Amṛta","start":"00:56","end":"02:02","startHours":24.92974111786538,"endHours":26.04027206990711,"quality":"auspicious"},{"name":"Kāla","start":"02:02","end":"03:09","startHours":26.04027206990711,"endHours":27.150803021948846,"quality":"inauspicious"},{"name":"Śubha","start":"03:09","end":"04:16","startHours":27.150803021948846,"endHours":28.26133397399058,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:16","end":"05:16","startHours":4.261333973990581,"endHours":5.261333973990581,"planetary_lord":"Sun"},{"name":"Hora 2","start":"05:16","end":"06:16","startHours":5.261333973990581,"endHours":6.261333973990581,"planetary_lord":"Mars"},{"name":"Hora 3","start":"06:16","end":"07:16","startHours":6.261333973990581,"endHours":7.261333973990581,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"07:16","end":"08:16","startHours":7.261333973990581,"endHours":8.261333973990581,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"08:16","end":"09:16","startHours":8.261333973990581,"endHours":9.261333973990581,"planetary_lord":"Moon"},{"name":"Hora 6","start":"09:16","end":"10:16","startHours":9.261333973990581,"endHours":10.261333973990581,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"10:16","end":"11:16","startHours":10.261333973990581,"endHours":11.261333973990581,"planetary_lord":"Venus"},{"name":"Hora 8","start":"11:16","end":"12:16","startHours":11.261333973990581,"endHours":12.261333973990581,"planetary_lord":"Sun"},{"name":"Hora 9","start":"12:16","end":"13:16","startHours":12.261333973990581,"endHours":13.261333973990581,"planetary_lord":"Mars"},{"name":"Hora 10","start":"13:16","end":"14:16","startHours":13.261333973990581,"endHours":14.261333973990581,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"14:16","end":"15:16","startHours":14.261333973990581,"endHours":15.261333973990581,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"15:16","end":"16:16","startHours":15.261333973990581,"endHours":16.26133397399058,"planetary_lord":"Moon"},{"name":"Hora 13","start":"16:16","end":"17:16","startHours":16.26133397399058,"endHours":17.26133397399058,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"17:16","end":"18:16","startHours":17.26133397399058,"endHours":18.26133397399058,"planetary_lord":"Venus"},{"name":"Hora 15","start":"18:16","end":"19:16","startHours":18.26133397399058,"endHours":19.26133397399058,"planetary_lord":"Sun"},{"name":"Hora 16","start":"19:16","end":"20:16","startHours":19.26133397399058,"endHours":20.26133397399058,"planetary_lord":"Mars"},{"name":"Hora 17","start":"20:16","end":"21:16","startHours":20.26133397399058,"endHours":21.26133397399058,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"21:16","end":"22:16","startHours":21.26133397399058,"endHours":22.26133397399058,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"22:16","end":"23:16","startHours":22.26133397399058,"endHours":23.26133397399058,"planetary_lord":"Moon"},{"name":"Hora 20","start":"23:16","end":"00:16","startHours":23.26133397399058,"endHours":24.26133397399058,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"00:16","end":"01:16","startHours":24.26133397399058,"endHours":25.26133397399058,"planetary_lord":"Venus"},{"name":"Hora 22","start":"01:16","end":"02:16","startHours":25.26133397399058,"endHours":26.26133397399058,"planetary_lord":"Sun"},{"name":"Hora 23","start":"02:16","end":"03:16","startHours":26.26133397399058,"endHours":27.26133397399058,"planetary_lord":"Mars"},{"name":"Hora 24","start":"03:16","end":"04:16","startHours":27.26133397399058,"endHours":28.26133397399058,"planetary_lord":"Jupiter"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.723391146670195,"eotMinutes":1.366590050581379,"ayanamsa":23.5936}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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 June 7, 1981 CE · Chicago, USA · Vidhyamitra","description":"June 7, 1981 CE for Chicago, USA: Śukla Pañcamī, sūryodaya 04:16, sūryāsta 19:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1981-06-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1981-06-07","sa":"https://sa.vidhyamitra.com/city/chicago/1981-06-07","hi":"https://hi.vidhyamitra.com/city/chicago/1981-06-07","x-default":"https://vidhyamitra.com/city/chicago/1981-06-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:06:49.862Z","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":"2026-06-01T14:06:49.862Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:06:49.862Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}