{"id":"vidhyamitra:city-day:phoenix:2018-10-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2018-10-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-10-31","date_display":"October 31, 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":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458422.770833,"kali_year":5120,"ahargana":1869957.2708,"sun":{"sidereal_longitude":192.7148,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":93.9156,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.2008,"elapsed_within_tithi_degrees":9.2008},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.9156,"elapsed_within_degrees":0.5823},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.6304},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458422.770833,"ahargana":1869957.2708,"kali_year":5120,"ayanamsa_lahiri":24.116,"grahas":{"sun":{"sidereal_longitude":193.44892900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":94.91722900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-0.5283},"mars":{"sidereal_longitude":296.2224289999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":215.544629,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":213.980229,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":186.16612899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":250.63612899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":100.6649,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.6649,"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":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458422.770833,"kali_year":5120,"ahargana":1869957.2708,"sun":{"sidereal_longitude":192.7148,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":93.9156,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.2008,"elapsed_within_tithi_degrees":9.2008},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.9156,"elapsed_within_degrees":0.5823},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.6304},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.528,"elongation":98.799},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.528,"opposition_distance":81.201}},"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":"06:46","sunsetLocal":"17:38","solarNoonLocal":"12:12","dayLengthHours":10.871767846682374,"dayLengthDisplay":"10 Hours 52 Mins 18 Secs","nightLengthDisplay":"13 Hours 07 Mins 42 Secs","moonriseLocal":"22:38","moonsetLocal":"12:38","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:33","startHours":12.197387007491194,"endHours":13.556357988326493,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:07","end":"09:29","startHours":8.120474064985306,"endHours":9.4794450458206,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:50","end":"12:12","startHours":10.8384160266559,"endHours":12.197387007491194,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.298248915042562,"endHours":9.660641176598642,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.214493411095107,"endHours":7.504407220339971,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:34","startHours":11.834994745935115,"endHours":12.559779269047274,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:19","end":"06:02","startHours":5.311934037925692,"endHours":6.0367185610378495,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:51","end":"06:46","startHours":5.855522430259811,"endHours":6.761503084150008,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:44","startHours":14.009348315271591,"endHours":14.734132838383749,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.433270930832382,"endHours":17.83327093083238,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:05","startHours":17.63327093083238,"endHours":18.08626125777748,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.38327093083238,"endHours":19.13327093083238,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:34","startHours":23.834994745935116,"endHours":24.559779269047272,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:46","end":"08:07","startHours":6.761503084150008,"endHours":8.120474064985306,"quality":"auspicious"},{"name":"Amṛta","start":"08:07","end":"09:29","startHours":8.120474064985306,"endHours":9.4794450458206,"quality":"auspicious"},{"name":"Kāla","start":"09:29","end":"10:50","startHours":9.4794450458206,"endHours":10.8384160266559,"quality":"inauspicious"},{"name":"Śubha","start":"10:50","end":"12:12","startHours":10.8384160266559,"endHours":12.197387007491194,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:33","startHours":12.197387007491194,"endHours":13.556357988326493,"quality":"inauspicious"},{"name":"Udveg","start":"13:33","end":"14:55","startHours":13.556357988326493,"endHours":14.915328969161788,"quality":"inauspicious"},{"name":"Chala","start":"14:55","end":"16:16","startHours":14.915328969161788,"endHours":16.274299949997086,"quality":"neutral"},{"name":"Labha","start":"16:16","end":"17:38","startHours":16.274299949997086,"endHours":17.63327093083238,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:38","end":"19:16","startHours":17.63327093083238,"endHours":19.274299949997086,"quality":"inauspicious"},{"name":"Chala","start":"19:16","end":"20:55","startHours":19.274299949997086,"endHours":20.915328969161788,"quality":"neutral"},{"name":"Labha","start":"20:55","end":"22:33","startHours":20.915328969161788,"endHours":22.55635798832649,"quality":"auspicious"},{"name":"Amṛta","start":"22:33","end":"00:12","startHours":22.55635798832649,"endHours":24.197387007491194,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:50","startHours":24.197387007491194,"endHours":25.8384160266559,"quality":"inauspicious"},{"name":"Śubha","start":"01:50","end":"03:29","startHours":25.8384160266559,"endHours":27.4794450458206,"quality":"auspicious"},{"name":"Roga","start":"03:29","end":"05:07","startHours":27.4794450458206,"endHours":29.120474064985302,"quality":"inauspicious"},{"name":"Udveg","start":"05:07","end":"06:46","startHours":29.120474064985302,"endHours":30.761503084150007,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.761503084150008,"endHours":7.761503084150008,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.761503084150008,"endHours":8.761503084150007,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.761503084150007,"endHours":9.761503084150007,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.761503084150007,"endHours":10.761503084150007,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.761503084150007,"endHours":11.761503084150007,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.761503084150007,"endHours":12.761503084150007,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.761503084150007,"endHours":13.761503084150007,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.761503084150007,"endHours":14.761503084150007,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.761503084150007,"endHours":15.761503084150007,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.761503084150007,"endHours":16.761503084150007,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.761503084150007,"endHours":17.761503084150007,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.761503084150007,"endHours":18.761503084150007,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.761503084150007,"endHours":19.761503084150007,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.761503084150007,"endHours":20.761503084150007,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.761503084150007,"endHours":21.761503084150007,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.761503084150007,"endHours":22.761503084150007,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.761503084150007,"endHours":23.761503084150007,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.761503084150007,"endHours":24.761503084150007,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.761503084150007,"endHours":25.761503084150007,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.761503084150007,"endHours":26.761503084150007,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.761503084150007,"endHours":27.761503084150007,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.761503084150007,"endHours":28.761503084150007,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.761503084150007,"endHours":29.761503084150007,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.761503084150007,"endHours":30.761503084150007,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-14.033053192194366,"eotMinutes":16.45277955052819,"ayanamsa":24.116}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Saptamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 31, 2018 CE · Phoenix, USA · Vidhyamitra","description":"October 31, 2018 CE for Phoenix, USA: Kṛṣṇa Saptamī, sūryodaya 06:46, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2018-10-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2018-10-31","sa":"https://sa.vidhyamitra.com/city/phoenix/2018-10-31","hi":"https://hi.vidhyamitra.com/city/phoenix/2018-10-31","x-default":"https://vidhyamitra.com/city/phoenix/2018-10-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T11:48:47.481Z","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":"2026-05-15T11:48:47.481Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T11:48:47.481Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}