{"id":"vidhyamitra:city-day:phoenix:1986-10-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1986-10-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-10-06","date_display":"October 6, 1986 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":1986,"month":10,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446709.770833,"kali_year":5088,"ahargana":1858244.2708,"sun":{"sidereal_longitude":168.1167,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":196.0458,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9292,"elapsed_within_tithi_degrees":3.9292},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.0458,"elapsed_within_degrees":9.3792},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.1625},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":1986,"month":10,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446709.770833,"ahargana":1858244.2708,"kali_year":5088,"ayanamsa_lahiri":23.6681,"grahas":{"sun":{"sidereal_longitude":168.82955200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":198.42645200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":-1.1461},"mars":{"sidereal_longitude":274.877152,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":189.35905200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":321.9138519999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":205.338752,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":221.77875199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":1.276,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.276,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":1986,"month":10,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446709.770833,"kali_year":5088,"ahargana":1858244.2708,"sun":{"sidereal_longitude":168.1167,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":196.0458,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9292,"elapsed_within_tithi_degrees":3.9292},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.0458,"elapsed_within_degrees":9.3792},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.1625},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.146,"elongation":27.929},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.146,"opposition_distance":152.071}},"eclipse_window_40days":[{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":1.033,"elongation":1.957}]},"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":"06:25","sunsetLocal":"18:07","solarNoonLocal":"12:16","dayLengthHours":11.697554853355484,"dayLengthDisplay":"11 Hours 41 Mins 51 Secs","nightLengthDisplay":"12 Hours 18 Mins 09 Secs","moonriseLocal":"08:53","moonsetLocal":"19:35","rahuKala":{"name":"Rāhu Kāla","start":"07:52","end":"09:20","startHours":7.8736898433605695,"endHours":9.335884200030005,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:16","startHours":10.79807855669944,"endHours":12.260272913368876,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:43","end":"15:11","startHours":13.722467270038312,"endHours":15.184661626707747,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:32","startHours":9.14092495247408,"endHours":9.53084344758593,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.8988936055809456,"endHours":7.210828401670425,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:39","startHours":11.870354418257026,"endHours":12.650191408480726,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:38","startHours":4.851821506243736,"endHours":5.631658496467435,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:25","startHours":5.43669924891151,"endHours":6.411495486691134,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"14:59","startHours":14.209865388928122,"endHours":14.98970237915182,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.90905034004662,"endHours":18.309050340046618,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:36","startHours":18.10905034004662,"endHours":18.59644845893643,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.85905034004662,"endHours":19.60905034004662,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:39","startHours":23.870354418257026,"endHours":24.650191408480726,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:25","end":"07:52","startHours":6.411495486691134,"endHours":7.8736898433605695,"quality":"auspicious"},{"name":"Kāla","start":"07:52","end":"09:20","startHours":7.8736898433605695,"endHours":9.335884200030005,"quality":"inauspicious"},{"name":"Śubha","start":"09:20","end":"10:48","startHours":9.335884200030005,"endHours":10.79807855669944,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:16","startHours":10.79807855669944,"endHours":12.260272913368876,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:43","startHours":12.260272913368876,"endHours":13.722467270038312,"quality":"inauspicious"},{"name":"Chala","start":"13:43","end":"15:11","startHours":13.722467270038312,"endHours":15.184661626707747,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:39","startHours":15.184661626707747,"endHours":16.646855983377183,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:07","startHours":16.646855983377183,"endHours":18.10905034004662,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:07","end":"19:39","startHours":18.10905034004662,"endHours":19.646855983377183,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:11","startHours":19.646855983377183,"endHours":21.184661626707747,"quality":"auspicious"},{"name":"Amṛta","start":"21:11","end":"22:43","startHours":21.184661626707747,"endHours":22.72246727003831,"quality":"auspicious"},{"name":"Kāla","start":"22:43","end":"00:16","startHours":22.72246727003831,"endHours":24.260272913368876,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:48","startHours":24.260272913368876,"endHours":25.79807855669944,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:20","startHours":25.79807855669944,"endHours":27.335884200030005,"quality":"inauspicious"},{"name":"Udveg","start":"03:20","end":"04:52","startHours":27.335884200030005,"endHours":28.87368984336057,"quality":"inauspicious"},{"name":"Chala","start":"04:52","end":"06:25","startHours":28.87368984336057,"endHours":30.411495486691134,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.411495486691134,"endHours":7.411495486691134,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.411495486691134,"endHours":8.411495486691134,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.411495486691134,"endHours":9.411495486691134,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.411495486691134,"endHours":10.411495486691134,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.411495486691134,"endHours":11.411495486691134,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.411495486691134,"endHours":12.411495486691134,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.411495486691134,"endHours":13.411495486691134,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.411495486691134,"endHours":14.411495486691134,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.411495486691134,"endHours":15.411495486691134,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.411495486691134,"endHours":16.411495486691134,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.411495486691134,"endHours":17.411495486691134,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.411495486691134,"endHours":18.411495486691134,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.411495486691134,"endHours":19.411495486691134,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.411495486691134,"endHours":20.411495486691134,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.411495486691134,"endHours":21.411495486691134,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.411495486691134,"endHours":22.411495486691134,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.411495486691134,"endHours":23.411495486691134,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.411495486691134,"endHours":24.411495486691134,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.411495486691134,"endHours":25.411495486691134,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.411495486691134,"endHours":26.411495486691134,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.411495486691134,"endHours":27.411495486691134,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.411495486691134,"endHours":28.411495486691134,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.411495486691134,"endHours":29.411495486691134,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.411495486691134,"endHours":30.411495486691134,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","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":-4.9375078301300475,"eotMinutes":12.679625197867345,"ayanamsa":23.6681}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Āśvina Śukla Tṛtīyā · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[],"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":[]},"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 6, 1986 CE · Phoenix, USA · Vidhyamitra","description":"October 6, 1986 CE for Phoenix, USA: Śukla Tṛtīyā, sūryodaya 06:25, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1986-10-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1986-10-06","sa":"https://sa.vidhyamitra.com/city/phoenix/1986-10-06","hi":"https://hi.vidhyamitra.com/city/phoenix/1986-10-06","x-default":"https://vidhyamitra.com/city/phoenix/1986-10-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:16:46.655Z","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":"2026-06-02T06:16:46.655Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:16:46.655Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}