{"id":"vidhyamitra:city-day:phoenix:1998-01-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1998-01-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-01-19","date_display":"January 19, 1998 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":1998,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450832.770833,"kali_year":5099,"ahargana":1862367.2708,"sun":{"sidereal_longitude":274.8525,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":168.0573,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":253.2048,"elapsed_within_tithi_degrees":1.2048},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.0573,"elapsed_within_degrees":8.0573},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.9098},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":1998,"month":1,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450832.770833,"ahargana":1862367.2708,"kali_year":5099,"ayanamsa_lahiri":23.8258,"grahas":{"sun":{"sidereal_longitude":274.927223,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":165.60052300000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":1.9171},"mars":{"sidereal_longitude":301.18392300000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":254.56352300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":302.3467230000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":270.64582300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":350.697523,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":142.8197,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":322.8197,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1998,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450832.770833,"kali_year":5099,"ahargana":1862367.2708,"sun":{"sidereal_longitude":274.8525,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":168.0573,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":253.2048,"elapsed_within_tithi_degrees":1.2048},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.0573,"elapsed_within_degrees":8.0573},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.9098},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.917,"elongation":106.795},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.917,"opposition_distance":73.205}},"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":"07:31","sunsetLocal":"17:46","solarNoonLocal":"12:39","dayLengthHours":10.249203260681186,"dayLengthDisplay":"10 Hours 14 Mins 57 Secs","nightLengthDisplay":"13 Hours 45 Mins 03 Secs","moonriseLocal":"23:29","moonsetLocal":"11:15","rahuKala":{"name":"Rāhu Kāla","start":"08:48","end":"10:05","startHours":8.805849676141557,"endHours":10.087000083726705,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:22","end":"12:39","startHours":11.368150491311855,"endHours":12.649300898897003,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:13","startHours":13.930451306482151,"endHours":15.2116017140673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.91618002938202,"endHours":10.257820138071391,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:14","startHours":7.951749404418125,"endHours":8.225061491369624,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:59","startHours":12.307660790207631,"endHours":12.990941007586375,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:09","end":"06:50","startHours":6.158138833798917,"endHours":6.841419051177663,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:31","startHours":6.670598996832977,"endHours":7.524699268556409,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:02","startHours":14.357501442343867,"endHours":15.040781659722613,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.573902529237596,"endHours":17.973902529237595,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:12","startHours":17.773902529237596,"endHours":18.20095266509931,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.523902529237596,"endHours":19.273902529237596,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:59","startHours":24.30766079020763,"endHours":24.990941007586375,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:31","end":"08:48","startHours":7.524699268556409,"endHours":8.805849676141557,"quality":"auspicious"},{"name":"Kāla","start":"08:48","end":"10:05","startHours":8.805849676141557,"endHours":10.087000083726705,"quality":"inauspicious"},{"name":"Śubha","start":"10:05","end":"11:22","startHours":10.087000083726705,"endHours":11.368150491311855,"quality":"auspicious"},{"name":"Roga","start":"11:22","end":"12:39","startHours":11.368150491311855,"endHours":12.649300898897003,"quality":"inauspicious"},{"name":"Udveg","start":"12:39","end":"13:56","startHours":12.649300898897003,"endHours":13.930451306482151,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:13","startHours":13.930451306482151,"endHours":15.2116017140673,"quality":"neutral"},{"name":"Labha","start":"15:13","end":"16:30","startHours":15.2116017140673,"endHours":16.492752121652448,"quality":"auspicious"},{"name":"Amṛta","start":"16:30","end":"17:46","startHours":16.492752121652448,"endHours":17.773902529237596,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:46","end":"19:30","startHours":17.773902529237596,"endHours":19.492752121652448,"quality":"neutral"},{"name":"Labha","start":"19:30","end":"21:13","startHours":19.492752121652448,"endHours":21.2116017140673,"quality":"auspicious"},{"name":"Amṛta","start":"21:13","end":"22:56","startHours":21.2116017140673,"endHours":22.93045130648215,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:39","startHours":22.93045130648215,"endHours":24.649300898897003,"quality":"inauspicious"},{"name":"Śubha","start":"00:39","end":"02:22","startHours":24.649300898897003,"endHours":26.36815049131185,"quality":"auspicious"},{"name":"Roga","start":"02:22","end":"04:05","startHours":26.36815049131185,"endHours":28.087000083726707,"quality":"inauspicious"},{"name":"Udveg","start":"04:05","end":"05:48","startHours":28.087000083726707,"endHours":29.805849676141555,"quality":"inauspicious"},{"name":"Chala","start":"05:48","end":"07:31","startHours":29.805849676141555,"endHours":31.52469926855641,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:31","end":"08:31","startHours":7.524699268556409,"endHours":8.52469926855641,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:31","end":"09:31","startHours":8.52469926855641,"endHours":9.52469926855641,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:31","end":"10:31","startHours":9.52469926855641,"endHours":10.52469926855641,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:31","end":"11:31","startHours":10.52469926855641,"endHours":11.52469926855641,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:31","end":"12:31","startHours":11.52469926855641,"endHours":12.52469926855641,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:31","end":"13:31","startHours":12.52469926855641,"endHours":13.52469926855641,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:31","end":"14:31","startHours":13.52469926855641,"endHours":14.52469926855641,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:31","end":"15:31","startHours":14.52469926855641,"endHours":15.52469926855641,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:31","end":"16:31","startHours":15.52469926855641,"endHours":16.52469926855641,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:31","end":"17:31","startHours":16.52469926855641,"endHours":17.52469926855641,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:31","end":"18:31","startHours":17.52469926855641,"endHours":18.52469926855641,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:31","end":"19:31","startHours":18.52469926855641,"endHours":19.52469926855641,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:31","end":"20:31","startHours":19.52469926855641,"endHours":20.52469926855641,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:31","end":"21:31","startHours":20.52469926855641,"endHours":21.52469926855641,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:31","end":"22:31","startHours":21.52469926855641,"endHours":22.52469926855641,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:31","end":"23:31","startHours":22.52469926855641,"endHours":23.52469926855641,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:31","end":"00:31","startHours":23.52469926855641,"endHours":24.52469926855641,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:31","end":"01:31","startHours":24.52469926855641,"endHours":25.52469926855641,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:31","end":"02:31","startHours":25.52469926855641,"endHours":26.52469926855641,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:31","end":"03:31","startHours":26.52469926855641,"endHours":27.52469926855641,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:31","end":"04:31","startHours":27.52469926855641,"endHours":28.52469926855641,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:31","end":"05:31","startHours":28.52469926855641,"endHours":29.52469926855641,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:31","end":"06:31","startHours":29.52469926855641,"endHours":30.52469926855641,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:31","end":"07:31","startHours":30.52469926855641,"endHours":31.52469926855641,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.407369303200905,"eotMinutes":-10.662053933820344,"ayanamsa":23.8258}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"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 January 19, 1998 CE · Phoenix, USA · Vidhyamitra","description":"January 19, 1998 CE for Phoenix, USA: Kṛṣṇa Saptamī, sūryodaya 07:31, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1998-01-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1998-01-19","sa":"https://sa.vidhyamitra.com/city/phoenix/1998-01-19","hi":"https://hi.vidhyamitra.com/city/phoenix/1998-01-19","x-default":"https://vidhyamitra.com/city/phoenix/1998-01-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:48:53.166Z","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":"2026-05-31T08:48:53.166Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:48:53.166Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}