{"id":"vidhyamitra:city-day:phoenix:1900-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1900-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1900-10-18","date_display":"October 18, 1900 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":1900,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415310.770833,"kali_year":5002,"ahargana":1826845.2708,"sun":{"sidereal_longitude":181.2514,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":118.6438,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.3924,"elapsed_within_tithi_degrees":9.3924},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.6438,"elapsed_within_degrees":11.9771},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.8952},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1900,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415310.770833,"ahargana":1826845.2708,"kali_year":5002,"ayanamsa_lahiri":22.4672,"grahas":{"sun":{"sidereal_longitude":181.737524,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":121.65342399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":-4.3187},"mars":{"sidereal_longitude":111.05582400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":204.21282399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":228.658324,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":139.47932400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":248.79182400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":224.9462,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":44.9462,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1900,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415310.770833,"kali_year":5002,"ahargana":1826845.2708,"sun":{"sidereal_longitude":181.2514,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":118.6438,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.3924,"elapsed_within_tithi_degrees":9.3924},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.6438,"elapsed_within_degrees":11.9771},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.8952},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.319,"elongation":62.608},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.319,"opposition_distance":117.392}},"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":"06:34","sunsetLocal":"17:52","solarNoonLocal":"12:13","dayLengthHours":11.299830808084245,"dayLengthDisplay":"11 Hours 17 Mins 59 Secs","nightLengthDisplay":"12 Hours 42 Mins 01 Secs","moonriseLocal":"01:33","moonsetLocal":"14:52","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:02","startHours":13.627484547623554,"endHours":15.039963398634086,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:34","end":"07:59","startHours":6.565090292570901,"endHours":7.977569143581432,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:23","end":"10:48","startHours":9.390047994591963,"endHours":10.802526845602493,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:35","startHours":9.201717481123891,"endHours":9.578378508060034,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:20","startHours":7.035916576241078,"endHours":7.337245397789991,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:36","startHours":11.838344669676882,"endHours":12.591666723549164,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:49","startHours":5.058446184826336,"endHours":5.811768238698618,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.623437725230548,"endHours":6.565090292570901,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:51","startHours":14.09831083129373,"endHours":14.851632885166014,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.664921100655146,"endHours":18.064921100655145,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.864921100655145,"endHours":18.335747384325323,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.614921100655145,"endHours":19.364921100655145,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:36","startHours":23.838344669676882,"endHours":24.591666723549164,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:34","end":"07:59","startHours":6.565090292570901,"endHours":7.977569143581432,"quality":"auspicious"},{"name":"Roga","start":"07:59","end":"09:23","startHours":7.977569143581432,"endHours":9.390047994591963,"quality":"inauspicious"},{"name":"Udveg","start":"09:23","end":"10:48","startHours":9.390047994591963,"endHours":10.802526845602493,"quality":"inauspicious"},{"name":"Chala","start":"10:48","end":"12:13","startHours":10.802526845602493,"endHours":12.215005696613023,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:38","startHours":12.215005696613023,"endHours":13.627484547623554,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:02","startHours":13.627484547623554,"endHours":15.039963398634086,"quality":"auspicious"},{"name":"Kāla","start":"15:02","end":"16:27","startHours":15.039963398634086,"endHours":16.452442249644616,"quality":"inauspicious"},{"name":"Śubha","start":"16:27","end":"17:52","startHours":16.452442249644616,"endHours":17.864921100655145,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:52","end":"19:27","startHours":17.864921100655145,"endHours":19.452442249644616,"quality":"auspicious"},{"name":"Kāla","start":"19:27","end":"21:02","startHours":19.452442249644616,"endHours":21.039963398634086,"quality":"inauspicious"},{"name":"Śubha","start":"21:02","end":"22:38","startHours":21.039963398634086,"endHours":22.627484547623553,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:13","startHours":22.627484547623553,"endHours":24.215005696613023,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:48","startHours":24.215005696613023,"endHours":25.802526845602493,"quality":"inauspicious"},{"name":"Chala","start":"01:48","end":"03:23","startHours":25.802526845602493,"endHours":27.39004799459196,"quality":"neutral"},{"name":"Labha","start":"03:23","end":"04:59","startHours":27.39004799459196,"endHours":28.97756914358143,"quality":"auspicious"},{"name":"Amṛta","start":"04:59","end":"06:34","startHours":28.97756914358143,"endHours":30.5650902925709,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.565090292570901,"endHours":7.565090292570901,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.565090292570901,"endHours":8.5650902925709,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.5650902925709,"endHours":9.5650902925709,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.5650902925709,"endHours":10.5650902925709,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.5650902925709,"endHours":11.5650902925709,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.5650902925709,"endHours":12.5650902925709,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.5650902925709,"endHours":13.5650902925709,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.5650902925709,"endHours":14.5650902925709,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.5650902925709,"endHours":15.5650902925709,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.5650902925709,"endHours":16.5650902925709,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.5650902925709,"endHours":17.5650902925709,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.5650902925709,"endHours":18.5650902925709,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.5650902925709,"endHours":19.5650902925709,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.5650902925709,"endHours":20.5650902925709,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.5650902925709,"endHours":21.5650902925709,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.5650902925709,"endHours":22.5650902925709,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.5650902925709,"endHours":23.5650902925709,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.5650902925709,"endHours":24.5650902925709,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.5650902925709,"endHours":25.5650902925709,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.5650902925709,"endHours":26.5650902925709,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.5650902925709,"endHours":27.5650902925709,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.5650902925709,"endHours":28.5650902925709,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.5650902925709,"endHours":29.5650902925709,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.5650902925709,"endHours":30.5650902925709,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.385112364678097,"eotMinutes":15.395658203218455,"ayanamsa":22.4672}},"calendars":{"vikram_samvat":1957,"vikram_samvatsara":"Pramādī","saka_samvat":1822,"saka_samvatsara":"Śārvarī","bengali_samvat":1307,"malayalam_era":1076,"nanakshahi_year":431,"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":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Daśamī · Vikram 1957 Pramādī · Śaka 1822 Śārvarī"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 18, 1900 CE · Phoenix, USA · Vidhyamitra","description":"October 18, 1900 CE for Phoenix, USA: Kṛṣṇa Daśamī, sūryodaya 06:34, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1900-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1900-10-18","sa":"https://sa.vidhyamitra.com/city/phoenix/1900-10-18","hi":"https://hi.vidhyamitra.com/city/phoenix/1900-10-18","x-default":"https://vidhyamitra.com/city/phoenix/1900-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:59:12.626Z","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":"2026-06-01T20:59:12.626Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:59:12.626Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}