{"id":"vidhyamitra:city-day:phoenix:1899-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1899-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1899-07-31","date_display":"July 31, 1899 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":1899,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414866.770833,"kali_year":5001,"ahargana":1826401.2708,"sun":{"sidereal_longitude":104.8343,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":30.0692,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.2349,"elapsed_within_tithi_degrees":9.2349},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.0692,"elapsed_within_degrees":3.4026},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.9035},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1899,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414866.770833,"ahargana":1826401.2708,"kali_year":5001,"ayanamsa_lahiri":22.4502,"grahas":{"sun":{"sidereal_longitude":105.13018799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":33.21028799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":2.7935},"mars":{"sidereal_longitude":155.26828799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":131.522788,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":190.72798799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":93.686688,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":236.200788,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":248.4714,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":68.4714,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1899,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414866.770833,"kali_year":5001,"ahargana":1826401.2708,"sun":{"sidereal_longitude":104.8343,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":30.0692,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.2349,"elapsed_within_tithi_degrees":9.2349},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.0692,"elapsed_within_degrees":3.4026},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.9035},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.794,"elongation":74.765},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.794,"opposition_distance":105.235}},"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":"05:39","sunsetLocal":"19:29","solarNoonLocal":"12:34","dayLengthHours":13.83394602670077,"dayLengthDisplay":"13 Hours 50 Mins 02 Secs","nightLengthDisplay":"10 Hours 09 Mins 58 Secs","moonriseLocal":"00:51","moonsetLocal":"14:43","rahuKala":{"name":"Rāhu Kāla","start":"07:23","end":"09:07","startHours":7.385059815193058,"endHours":9.114303068530655,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:51","end":"12:34","startHours":10.84354632186825,"endHours":12.572789575205846,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:18","end":"16:02","startHours":14.302032828543442,"endHours":16.03127608188104,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:21","startHours":8.883737301418975,"endHours":9.344868835642334,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:36","startHours":6.23223097963466,"endHours":6.601136207013347,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"13:02","startHours":12.111658040982487,"endHours":13.033921109429205,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:44","startHours":3.811290424962025,"endHours":4.733553493408744,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:39","startHours":4.502987726297064,"endHours":5.655816561855461,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:53","end":"15:48","startHours":14.878447246322642,"endHours":15.80071031476936,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:17","end":"19:41","startHours":19.289762588556233,"endHours":19.68976258855623,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:29","end":"20:04","startHours":19.489762588556232,"endHours":20.06617700633543,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:14","end":"20:59","startHours":19.239762588556232,"endHours":20.989762588556232,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"01:02","startHours":24.111658040982487,"endHours":25.033921109429205,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:39","end":"07:23","startHours":5.655816561855461,"endHours":7.385059815193058,"quality":"auspicious"},{"name":"Kāla","start":"07:23","end":"09:07","startHours":7.385059815193058,"endHours":9.114303068530655,"quality":"inauspicious"},{"name":"Śubha","start":"09:07","end":"10:51","startHours":9.114303068530655,"endHours":10.84354632186825,"quality":"auspicious"},{"name":"Roga","start":"10:51","end":"12:34","startHours":10.84354632186825,"endHours":12.572789575205846,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"14:18","startHours":12.572789575205846,"endHours":14.302032828543442,"quality":"inauspicious"},{"name":"Chala","start":"14:18","end":"16:02","startHours":14.302032828543442,"endHours":16.03127608188104,"quality":"neutral"},{"name":"Labha","start":"16:02","end":"17:46","startHours":16.03127608188104,"endHours":17.760519335218635,"quality":"auspicious"},{"name":"Amṛta","start":"17:46","end":"19:29","startHours":17.760519335218635,"endHours":19.489762588556232,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:29","end":"20:46","startHours":19.489762588556232,"endHours":20.760519335218635,"quality":"neutral"},{"name":"Labha","start":"20:46","end":"22:02","startHours":20.760519335218635,"endHours":22.03127608188104,"quality":"auspicious"},{"name":"Amṛta","start":"22:02","end":"23:18","startHours":22.03127608188104,"endHours":23.302032828543442,"quality":"auspicious"},{"name":"Kāla","start":"23:18","end":"00:34","startHours":23.302032828543442,"endHours":24.572789575205846,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"01:51","startHours":24.572789575205846,"endHours":25.84354632186825,"quality":"auspicious"},{"name":"Roga","start":"01:51","end":"03:07","startHours":25.84354632186825,"endHours":27.114303068530653,"quality":"inauspicious"},{"name":"Udveg","start":"03:07","end":"04:23","startHours":27.114303068530653,"endHours":28.38505981519306,"quality":"inauspicious"},{"name":"Chala","start":"04:23","end":"05:39","startHours":28.38505981519306,"endHours":29.65581656185546,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:39","end":"06:39","startHours":5.655816561855461,"endHours":6.655816561855461,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:39","end":"07:39","startHours":6.655816561855461,"endHours":7.655816561855461,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:39","end":"08:39","startHours":7.655816561855461,"endHours":8.655816561855461,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:39","end":"09:39","startHours":8.655816561855461,"endHours":9.655816561855461,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:39","end":"10:39","startHours":9.655816561855461,"endHours":10.655816561855461,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:39","end":"11:39","startHours":10.655816561855461,"endHours":11.655816561855461,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:39","end":"12:39","startHours":11.655816561855461,"endHours":12.655816561855461,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:39","end":"13:39","startHours":12.655816561855461,"endHours":13.655816561855461,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:39","end":"14:39","startHours":13.655816561855461,"endHours":14.655816561855461,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:39","end":"15:39","startHours":14.655816561855461,"endHours":15.655816561855461,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:39","end":"16:39","startHours":15.655816561855461,"endHours":16.65581656185546,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:39","end":"17:39","startHours":16.65581656185546,"endHours":17.65581656185546,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:39","end":"18:39","startHours":17.65581656185546,"endHours":18.65581656185546,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:39","end":"19:39","startHours":18.65581656185546,"endHours":19.65581656185546,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:39","end":"20:39","startHours":19.65581656185546,"endHours":20.65581656185546,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:39","end":"21:39","startHours":20.65581656185546,"endHours":21.65581656185546,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:39","end":"22:39","startHours":21.65581656185546,"endHours":22.65581656185546,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:39","end":"23:39","startHours":22.65581656185546,"endHours":23.65581656185546,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:39","end":"00:39","startHours":23.65581656185546,"endHours":24.65581656185546,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:39","end":"01:39","startHours":24.65581656185546,"endHours":25.65581656185546,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:39","end":"02:39","startHours":25.65581656185546,"endHours":26.65581656185546,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:39","end":"03:39","startHours":26.65581656185546,"endHours":27.65581656185546,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:39","end":"04:39","startHours":27.65581656185546,"endHours":28.65581656185546,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:39","end":"05:39","startHours":28.65581656185546,"endHours":29.65581656185546,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.37303035256817,"eotMinutes":-6.071374512350812,"ayanamsa":22.4502}},"calendars":{"vikram_samvat":1956,"vikram_samvatsara":"Paridhāvi","saka_samvat":1821,"saka_samvatsara":"Vikāri","bengali_samvat":1306,"malayalam_era":1075,"nanakshahi_year":430,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Navamī · Vikram 1956 Paridhāvi · Śaka 1821 Vikāri"},"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 July 31, 1899 CE · Phoenix, USA · Vidhyamitra","description":"July 31, 1899 CE for Phoenix, USA: Kṛṣṇa Navamī, sūryodaya 05:39, sūryāsta 19:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1899-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1899-07-31","sa":"https://sa.vidhyamitra.com/city/phoenix/1899-07-31","hi":"https://hi.vidhyamitra.com/city/phoenix/1899-07-31","x-default":"https://vidhyamitra.com/city/phoenix/1899-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:29:26.613Z","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":"2026-06-02T10:29:26.613Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:29:26.613Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}