{"id":"vidhyamitra:city-day:phoenix:2018-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2018-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-10-12","date_display":"October 12, 2018 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":2018,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458403.770833,"kali_year":5120,"ahargana":1869938.2708,"sun":{"sidereal_longitude":173.7702,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":211.4578,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.6876,"elapsed_within_tithi_degrees":1.6876},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.4578,"elapsed_within_degrees":11.4578},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.228},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2018,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458403.770833,"ahargana":1869938.2708,"kali_year":5120,"ayanamsa_lahiri":24.1153,"grahas":{"sun":{"sidereal_longitude":174.55505500000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":211.00365499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.2338},"mars":{"sidereal_longitude":286.33265499999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":188.640355,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":210.02375499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":195.84215500000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":249.33295499999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":101.6716,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.6716,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":2018,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458403.770833,"kali_year":5120,"ahargana":1869938.2708,"sun":{"sidereal_longitude":173.7702,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":211.4578,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.6876,"elapsed_within_tithi_degrees":1.6876},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.4578,"elapsed_within_degrees":11.4578},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.228},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.234,"elongation":37.688},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.234,"opposition_distance":142.312}},"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":"06:29","sunsetLocal":"17:59","solarNoonLocal":"12:14","dayLengthHours":11.485997290253797,"dayLengthDisplay":"11 Hours 29 Mins 10 Secs","nightLengthDisplay":"12 Hours 30 Mins 50 Secs","moonriseLocal":"09:30","moonsetLocal":"19:50","rahuKala":{"name":"Rāhu Kāla","start":"10:48","end":"12:14","startHours":10.798859223898608,"endHours":12.234608885180332,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:06","end":"16:33","startHours":15.106108207743782,"endHours":16.541857869025506,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:56","end":"09:22","startHours":7.927359901335159,"endHours":9.363109562616884,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:33","startHours":9.171676274445987,"endHours":9.55454285078778,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:17","startHours":6.970193460480676,"endHours":7.276486721554111,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:37","startHours":11.851742308838539,"endHours":12.617475461522126,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:44","startHours":4.960143934686261,"endHours":5.725877087369848,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:29","startHours":5.534443799198952,"endHours":6.491610240053435,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:55","startHours":14.1489417668893,"endHours":14.914674919572885,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.777607530307233,"endHours":18.17760753030723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:27","startHours":17.977607530307232,"endHours":18.456190750734475,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.727607530307232,"endHours":19.477607530307232,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:37","startHours":23.85174230883854,"endHours":24.617475461522126,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:29","end":"07:56","startHours":6.491610240053435,"endHours":7.927359901335159,"quality":"neutral"},{"name":"Labha","start":"07:56","end":"09:22","startHours":7.927359901335159,"endHours":9.363109562616884,"quality":"auspicious"},{"name":"Amṛta","start":"09:22","end":"10:48","startHours":9.363109562616884,"endHours":10.798859223898608,"quality":"auspicious"},{"name":"Kāla","start":"10:48","end":"12:14","startHours":10.798859223898608,"endHours":12.234608885180332,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:40","startHours":12.234608885180332,"endHours":13.670358546462058,"quality":"auspicious"},{"name":"Roga","start":"13:40","end":"15:06","startHours":13.670358546462058,"endHours":15.106108207743782,"quality":"inauspicious"},{"name":"Udveg","start":"15:06","end":"16:33","startHours":15.106108207743782,"endHours":16.541857869025506,"quality":"inauspicious"},{"name":"Chala","start":"16:33","end":"17:59","startHours":16.541857869025506,"endHours":17.977607530307232,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:59","end":"19:33","startHours":17.977607530307232,"endHours":19.541857869025506,"quality":"inauspicious"},{"name":"Udveg","start":"19:33","end":"21:06","startHours":19.541857869025506,"endHours":21.106108207743784,"quality":"inauspicious"},{"name":"Chala","start":"21:06","end":"22:40","startHours":21.106108207743784,"endHours":22.670358546462058,"quality":"neutral"},{"name":"Labha","start":"22:40","end":"00:14","startHours":22.670358546462058,"endHours":24.234608885180332,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:48","startHours":24.234608885180332,"endHours":25.79885922389861,"quality":"auspicious"},{"name":"Kāla","start":"01:48","end":"03:22","startHours":25.79885922389861,"endHours":27.363109562616884,"quality":"inauspicious"},{"name":"Śubha","start":"03:22","end":"04:56","startHours":27.363109562616884,"endHours":28.92735990133516,"quality":"auspicious"},{"name":"Roga","start":"04:56","end":"06:29","startHours":28.92735990133516,"endHours":30.491610240053433,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.491610240053435,"endHours":7.491610240053435,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.491610240053435,"endHours":8.491610240053435,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.491610240053435,"endHours":9.491610240053435,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.491610240053435,"endHours":10.491610240053435,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.491610240053435,"endHours":11.491610240053435,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.491610240053435,"endHours":12.491610240053435,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.491610240053435,"endHours":13.491610240053435,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.491610240053435,"endHours":14.491610240053435,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.491610240053435,"endHours":15.491610240053435,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.491610240053435,"endHours":16.491610240053433,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.491610240053433,"endHours":17.491610240053433,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.491610240053433,"endHours":18.491610240053433,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.491610240053433,"endHours":19.491610240053433,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.491610240053433,"endHours":20.491610240053433,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.491610240053433,"endHours":21.491610240053433,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.491610240053433,"endHours":22.491610240053433,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.491610240053433,"endHours":23.491610240053433,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.491610240053433,"endHours":24.491610240053433,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.491610240053433,"endHours":25.491610240053433,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.491610240053433,"endHours":26.491610240053433,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.491610240053433,"endHours":27.491610240053433,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.491610240053433,"endHours":28.491610240053433,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.491610240053433,"endHours":29.491610240053433,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.491610240053433,"endHours":30.491610240053433,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"Śrīvatsa","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":-7.314940543898755,"eotMinutes":14.219466889179907,"ayanamsa":24.1153}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"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 Caturthī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"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":"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":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 12, 2018 CE · Phoenix, USA · Vidhyamitra","description":"October 12, 2018 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 06:29, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2018-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2018-10-12","sa":"https://sa.vidhyamitra.com/city/phoenix/2018-10-12","hi":"https://hi.vidhyamitra.com/city/phoenix/2018-10-12","x-default":"https://vidhyamitra.com/city/phoenix/2018-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:03:23.104Z","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":"2026-06-01T06:03:23.104Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:03:23.104Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}