{"id":"vidhyamitra:city-day:phoenix:2121-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2121-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-04-07","date_display":"April 7, 2121 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":2121,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495835.770833,"kali_year":5222,"ahargana":1907370.2708,"sun":{"sidereal_longitude":351.5647,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":218.516,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.9513,"elapsed_within_tithi_degrees":10.9513},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.516,"elapsed_within_degrees":5.1827},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.0807},"karana":{"half_tithi_index":37,"name":"Bālava"},"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":2121,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495835.770833,"ahargana":1907370.2708,"kali_year":5222,"ayanamsa_lahiri":25.547,"grahas":{"sun":{"sidereal_longitude":351.688077,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":216.47967700000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-3.8893},"mars":{"sidereal_longitude":105.22477700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":359.326277,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":83.29237699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":307.56247699999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":61.83877699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":278.3441,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":98.3441,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2121,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495835.770833,"kali_year":5222,"ahargana":1907370.2708,"sun":{"sidereal_longitude":351.5647,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":218.516,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.9513,"elapsed_within_tithi_degrees":10.9513},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.516,"elapsed_within_degrees":5.1827},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.0807},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.889,"elongation":133.049},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.889,"opposition_distance":46.951}},"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":"06:09","sunsetLocal":"18:53","solarNoonLocal":"12:31","dayLengthHours":12.734055298151588,"dayLengthDisplay":"12 Hours 44 Mins 03 Secs","nightLengthDisplay":"11 Hours 15 Mins 57 Secs","moonriseLocal":"22:24","moonsetLocal":"08:36","rahuKala":{"name":"Rāhu Kāla","start":"07:44","end":"09:20","startHours":7.737796138940369,"endHours":9.329553051209317,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:55","end":"12:31","startHours":10.921309963478265,"endHours":12.513066875747214,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:06","end":"15:42","startHours":14.104823788016162,"endHours":15.69658070028511,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:33","startHours":9.117318796240124,"endHours":9.541787306178511,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"07:01","startHours":6.6766248640944035,"endHours":7.016199672045112,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:56","startHours":12.088598365808828,"endHours":12.9375353856856,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:18","startHours":4.448165186917875,"endHours":5.297102206794648,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:09","startHours":5.084867951825455,"endHours":6.14603922667142,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:29","startHours":14.635409425439146,"endHours":15.48434644531592,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.68009452482301,"endHours":19.080094524823007,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:25","startHours":18.880094524823008,"endHours":19.410680162245992,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.630094524823008,"endHours":20.380094524823008,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:56","startHours":24.088598365808828,"endHours":24.9375353856856,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:09","end":"07:44","startHours":6.14603922667142,"endHours":7.737796138940369,"quality":"auspicious"},{"name":"Kāla","start":"07:44","end":"09:20","startHours":7.737796138940369,"endHours":9.329553051209317,"quality":"inauspicious"},{"name":"Śubha","start":"09:20","end":"10:55","startHours":9.329553051209317,"endHours":10.921309963478265,"quality":"auspicious"},{"name":"Roga","start":"10:55","end":"12:31","startHours":10.921309963478265,"endHours":12.513066875747214,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"14:06","startHours":12.513066875747214,"endHours":14.104823788016162,"quality":"inauspicious"},{"name":"Chala","start":"14:06","end":"15:42","startHours":14.104823788016162,"endHours":15.69658070028511,"quality":"neutral"},{"name":"Labha","start":"15:42","end":"17:17","startHours":15.69658070028511,"endHours":17.28833761255406,"quality":"auspicious"},{"name":"Amṛta","start":"17:17","end":"18:53","startHours":17.28833761255406,"endHours":18.880094524823008,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:53","end":"20:17","startHours":18.880094524823008,"endHours":20.28833761255406,"quality":"neutral"},{"name":"Labha","start":"20:17","end":"21:42","startHours":20.28833761255406,"endHours":21.69658070028511,"quality":"auspicious"},{"name":"Amṛta","start":"21:42","end":"23:06","startHours":21.69658070028511,"endHours":23.104823788016162,"quality":"auspicious"},{"name":"Kāla","start":"23:06","end":"00:31","startHours":23.104823788016162,"endHours":24.513066875747214,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"01:55","startHours":24.513066875747214,"endHours":25.921309963478265,"quality":"auspicious"},{"name":"Roga","start":"01:55","end":"03:20","startHours":25.921309963478265,"endHours":27.329553051209317,"quality":"inauspicious"},{"name":"Udveg","start":"03:20","end":"04:44","startHours":27.329553051209317,"endHours":28.737796138940368,"quality":"inauspicious"},{"name":"Chala","start":"04:44","end":"06:09","startHours":28.737796138940368,"endHours":30.14603922667142,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.14603922667142,"endHours":7.14603922667142,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.14603922667142,"endHours":8.14603922667142,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.14603922667142,"endHours":9.14603922667142,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.14603922667142,"endHours":10.14603922667142,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.14603922667142,"endHours":11.14603922667142,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.14603922667142,"endHours":12.14603922667142,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.14603922667142,"endHours":13.14603922667142,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.14603922667142,"endHours":14.14603922667142,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.14603922667142,"endHours":15.14603922667142,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.14603922667142,"endHours":16.14603922667142,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.14603922667142,"endHours":17.14603922667142,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.14603922667142,"endHours":18.14603922667142,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.14603922667142,"endHours":19.14603922667142,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.14603922667142,"endHours":20.14603922667142,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.14603922667142,"endHours":21.14603922667142,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.14603922667142,"endHours":22.14603922667142,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.14603922667142,"endHours":23.14603922667142,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.14603922667142,"endHours":24.14603922667142,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.14603922667142,"endHours":25.14603922667142,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.14603922667142,"endHours":26.14603922667142,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.14603922667142,"endHours":27.14603922667142,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.14603922667142,"endHours":28.14603922667142,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.14603922667142,"endHours":29.14603922667142,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.14603922667142,"endHours":30.14603922667142,"planetary_lord":"Venus"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.767763502331212,"eotMinutes":-2.4880125448329173,"ayanamsa":25.547}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturthī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 April 7, 2121 CE · Phoenix, USA · Vidhyamitra","description":"April 7, 2121 CE for Phoenix, USA: Kṛṣṇa Caturthī, sūryodaya 06:09, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2121-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2121-04-07","sa":"https://sa.vidhyamitra.com/city/phoenix/2121-04-07","hi":"https://hi.vidhyamitra.com/city/phoenix/2121-04-07","x-default":"https://vidhyamitra.com/city/phoenix/2121-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:16:02.754Z","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":"2026-06-01T19:16:02.754Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:16:02.754Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}