{"id":"vidhyamitra:city-day:phoenix:1990-10-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1990-10-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-10-08","date_display":"October 8, 1990 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":1990,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448172.770833,"kali_year":5092,"ahargana":1859707.2708,"sun":{"sidereal_longitude":170.0563,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":35.9485,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.8923,"elapsed_within_tithi_degrees":9.8923},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.9485,"elapsed_within_degrees":9.2818},"yoga":{"number":16,"name":"Siddhi","sum_longitude":206.0048},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1990,"month":10,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448172.770833,"ahargana":1859707.2708,"kali_year":5092,"ayanamsa_lahiri":23.724,"grahas":{"sun":{"sidereal_longitude":170.77705400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":39.423854000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":4.1661},"mars":{"sidereal_longitude":49.797353999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":160.41105400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":105.61985400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":164.57615399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":264.986354,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":283.7593,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":103.7593,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":"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":1990,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448172.770833,"kali_year":5092,"ahargana":1859707.2708,"sun":{"sidereal_longitude":170.0563,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":35.9485,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.8923,"elapsed_within_tithi_degrees":9.8923},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.9485,"elapsed_within_degrees":9.2818},"yoga":{"number":16,"name":"Siddhi","sum_longitude":206.0048},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.166,"elongation":134.108},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.166,"opposition_distance":45.892}},"eclipse_window_40days":[]},"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"06:26","sunsetLocal":"18:04","solarNoonLocal":"12:15","dayLengthHours":11.628523063112233,"dayLengthDisplay":"11 Hours 37 Mins 43 Secs","nightLengthDisplay":"12 Hours 22 Mins 17 Secs","moonriseLocal":"20:28","moonsetLocal":"10:31","rahuKala":{"name":"Rāhu Kāla","start":"07:53","end":"09:21","startHours":7.890415264206852,"endHours":9.343980647095881,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:15","startHours":10.797546029984911,"endHours":12.25111141287394,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:09","startHours":13.704676795762968,"endHours":15.158242178651998,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.150171929377343,"endHours":9.537789364814419,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:14","startHours":6.921371675614166,"endHours":7.2314656239638255,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:38","startHours":11.863493977436866,"endHours":12.638728848311013,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:40","startHours":4.886380139569525,"endHours":5.661615010443674,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:28","end":"06:26","startHours":5.467806292725137,"endHours":6.436849881317823,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:58","startHours":14.189198590059313,"endHours":14.964433460933462,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.865372944430057,"endHours":18.265372944430055,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:33","startHours":18.065372944430056,"endHours":18.549894738726397,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.815372944430056,"endHours":19.565372944430056,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:38","startHours":23.863493977436864,"endHours":24.638728848311015,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:26","end":"07:53","startHours":6.436849881317823,"endHours":7.890415264206852,"quality":"auspicious"},{"name":"Kāla","start":"07:53","end":"09:21","startHours":7.890415264206852,"endHours":9.343980647095881,"quality":"inauspicious"},{"name":"Śubha","start":"09:21","end":"10:48","startHours":9.343980647095881,"endHours":10.797546029984911,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:15","startHours":10.797546029984911,"endHours":12.25111141287394,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:42","startHours":12.25111141287394,"endHours":13.704676795762968,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:09","startHours":13.704676795762968,"endHours":15.158242178651998,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:37","startHours":15.158242178651998,"endHours":16.611807561541028,"quality":"auspicious"},{"name":"Amṛta","start":"16:37","end":"18:04","startHours":16.611807561541028,"endHours":18.065372944430056,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:04","end":"19:37","startHours":18.065372944430056,"endHours":19.611807561541028,"quality":"neutral"},{"name":"Labha","start":"19:37","end":"21:09","startHours":19.611807561541028,"endHours":21.158242178651996,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:42","startHours":21.158242178651996,"endHours":22.704676795762968,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:15","startHours":22.704676795762968,"endHours":24.25111141287394,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:48","startHours":24.25111141287394,"endHours":25.79754602998491,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:21","startHours":25.79754602998491,"endHours":27.343980647095883,"quality":"inauspicious"},{"name":"Udveg","start":"03:21","end":"04:53","startHours":27.343980647095883,"endHours":28.89041526420685,"quality":"inauspicious"},{"name":"Chala","start":"04:53","end":"06:26","startHours":28.89041526420685,"endHours":30.436849881317823,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.436849881317823,"endHours":7.436849881317823,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.436849881317823,"endHours":8.436849881317823,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.436849881317823,"endHours":9.436849881317823,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.436849881317823,"endHours":10.436849881317823,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.436849881317823,"endHours":11.436849881317823,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.436849881317823,"endHours":12.436849881317823,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.436849881317823,"endHours":13.436849881317823,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.436849881317823,"endHours":14.436849881317823,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.436849881317823,"endHours":15.436849881317823,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.436849881317823,"endHours":16.436849881317823,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.436849881317823,"endHours":17.436849881317823,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.436849881317823,"endHours":18.436849881317823,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.436849881317823,"endHours":19.436849881317823,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.436849881317823,"endHours":20.436849881317823,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.436849881317823,"endHours":21.436849881317823,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.436849881317823,"endHours":22.436849881317823,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.436849881317823,"endHours":23.436849881317823,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.436849881317823,"endHours":24.436849881317823,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.436849881317823,"endHours":25.436849881317823,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.436849881317823,"endHours":26.436849881317823,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.436849881317823,"endHours":27.436849881317823,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.436849881317823,"endHours":28.436849881317823,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.436849881317823,"endHours":29.436849881317823,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.436849881317823,"endHours":30.436849881317823,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-5.715638440124073,"eotMinutes":13.229315227563635,"ayanamsa":23.724}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturthī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"karva-chauth","name":"Karvā Chauth","name_sanskrit":"करवा चौथ","tradition":"Pan-Hindu","associated_deity":"Pārvatī + Gaṇeśa + Chandra","significance":"North Indian wives' fast for husband's longevity. Kṛṣṇa Caturthī of Kārtika.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"phoenix"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 8, 1990 CE · Phoenix, USA · Vidhyamitra","description":"October 8, 1990 CE for Phoenix, USA: Kṛṣṇa Caturthī, sūryodaya 06:26, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1990-10-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1990-10-08","sa":"https://sa.vidhyamitra.com/city/phoenix/1990-10-08","hi":"https://hi.vidhyamitra.com/city/phoenix/1990-10-08","x-default":"https://vidhyamitra.com/city/phoenix/1990-10-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:10:29.152Z","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":"2026-05-31T11:10:29.152Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:10:29.152Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}