{"id":"vidhyamitra:city-day:phoenix:2029-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2029-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2029-04-13","date_display":"April 13, 2029 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":2029,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462239.770833,"kali_year":5130,"ahargana":1873774.2708,"sun":{"sidereal_longitude":359.2118,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":350.0521,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":350.8403,"elapsed_within_tithi_degrees":2.8403},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.0521,"elapsed_within_degrees":3.3854},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":349.2639},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2029,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462239.770833,"ahargana":1873774.2708,"kali_year":5130,"ayanamsa_lahiri":24.262,"grahas":{"sun":{"sidereal_longitude":359.143091,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":349.753491,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":4.4982},"mars":{"sidereal_longitude":153.52079100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":15.657591000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":178.15279099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":3.9067909999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":17.46819099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":258.4219,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":78.4219,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"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":2029,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462239.770833,"kali_year":5130,"ahargana":1873774.2708,"sun":{"sidereal_longitude":359.2118,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":350.0521,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":350.8403,"elapsed_within_tithi_degrees":2.8403},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.0521,"elapsed_within_degrees":3.3854},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":349.2639},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":9.16},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":170.84}},"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":"06:01","sunsetLocal":"18:57","solarNoonLocal":"12:29","dayLengthHours":12.944656330677098,"dayLengthDisplay":"12 Hours 56 Mins 41 Secs","nightLengthDisplay":"11 Hours 03 Mins 19 Secs","moonriseLocal":"05:34","moonsetLocal":"18:09","rahuKala":{"name":"Rāhu Kāla","start":"10:52","end":"12:29","startHours":10.866348139160435,"endHours":12.484430180495071,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:43","end":"17:20","startHours":15.720594263164347,"endHours":17.338676304498982,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:38","end":"09:15","startHours":7.63018405649116,"endHours":9.248266097825798,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:28","startHours":9.032521825647846,"endHours":9.464010370003749,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:54","startHours":6.551462695601402,"endHours":6.896653531086125,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:55","startHours":12.052941636139169,"endHours":12.915918724850973,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:09","startHours":4.286147837732909,"endHours":5.149124926444716,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"06:01","startHours":4.933380654266765,"endHours":6.012102015156523,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:30","startHours":14.641872902274589,"endHours":15.504849990986395,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.75675834583362,"endHours":19.15675834583362,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:30","startHours":18.95675834583362,"endHours":19.4961190262785,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.70675834583362,"endHours":20.45675834583362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:55","startHours":24.052941636139167,"endHours":24.915918724850975,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:01","end":"07:38","startHours":6.012102015156523,"endHours":7.63018405649116,"quality":"neutral"},{"name":"Labha","start":"07:38","end":"09:15","startHours":7.63018405649116,"endHours":9.248266097825798,"quality":"auspicious"},{"name":"Amṛta","start":"09:15","end":"10:52","startHours":9.248266097825798,"endHours":10.866348139160435,"quality":"auspicious"},{"name":"Kāla","start":"10:52","end":"12:29","startHours":10.866348139160435,"endHours":12.484430180495071,"quality":"inauspicious"},{"name":"Śubha","start":"12:29","end":"14:06","startHours":12.484430180495071,"endHours":14.10251222182971,"quality":"auspicious"},{"name":"Roga","start":"14:06","end":"15:43","startHours":14.10251222182971,"endHours":15.720594263164347,"quality":"inauspicious"},{"name":"Udveg","start":"15:43","end":"17:20","startHours":15.720594263164347,"endHours":17.338676304498982,"quality":"inauspicious"},{"name":"Chala","start":"17:20","end":"18:57","startHours":17.338676304498982,"endHours":18.95675834583362,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:57","end":"20:20","startHours":18.95675834583362,"endHours":20.338676304498982,"quality":"inauspicious"},{"name":"Udveg","start":"20:20","end":"21:43","startHours":20.338676304498982,"endHours":21.720594263164344,"quality":"inauspicious"},{"name":"Chala","start":"21:43","end":"23:06","startHours":21.720594263164344,"endHours":23.10251222182971,"quality":"neutral"},{"name":"Labha","start":"23:06","end":"00:29","startHours":23.10251222182971,"endHours":24.48443018049507,"quality":"auspicious"},{"name":"Amṛta","start":"00:29","end":"01:52","startHours":24.48443018049507,"endHours":25.866348139160433,"quality":"auspicious"},{"name":"Kāla","start":"01:52","end":"03:15","startHours":25.866348139160433,"endHours":27.2482660978258,"quality":"inauspicious"},{"name":"Śubha","start":"03:15","end":"04:38","startHours":27.2482660978258,"endHours":28.63018405649116,"quality":"auspicious"},{"name":"Roga","start":"04:38","end":"06:01","startHours":28.63018405649116,"endHours":30.012102015156522,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.012102015156523,"endHours":7.012102015156523,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.012102015156523,"endHours":8.012102015156522,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.012102015156522,"endHours":9.012102015156522,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.012102015156522,"endHours":10.012102015156522,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.012102015156522,"endHours":11.012102015156522,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.012102015156522,"endHours":12.012102015156522,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.012102015156522,"endHours":13.012102015156522,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.012102015156522,"endHours":14.012102015156522,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.012102015156522,"endHours":15.012102015156522,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.012102015156522,"endHours":16.012102015156522,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.012102015156522,"endHours":17.012102015156522,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.012102015156522,"endHours":18.012102015156522,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.012102015156522,"endHours":19.012102015156522,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.012102015156522,"endHours":20.012102015156522,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.012102015156522,"endHours":21.012102015156522,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.012102015156522,"endHours":22.012102015156522,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.012102015156522,"endHours":23.012102015156522,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.012102015156522,"endHours":24.012102015156522,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.012102015156522,"endHours":25.012102015156522,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.012102015156522,"endHours":26.012102015156522,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.012102015156522,"endHours":27.012102015156522,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.012102015156522,"endHours":28.012102015156522,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.012102015156522,"endHours":29.012102015156522,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.012102015156522,"endHours":30.012102015156522,"planetary_lord":"Mars"}],"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","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.090308258578798,"eotMinutes":-0.7698108297043191,"ayanamsa":24.262}},"calendars":{"vikram_samvat":2086,"vikram_samvatsara":"Dundubhi","saka_samvat":1951,"saka_samvatsara":"Saumya","bengali_samvat":1436,"malayalam_era":1205,"nanakshahi_year":560,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Amāvasyā · Vikram 2086 Dundubhi · Śaka 1951 Saumya"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 April 13, 2029 CE · Phoenix, USA · Vidhyamitra","description":"April 13, 2029 CE for Phoenix, USA: Kṛṣṇa Amāvasyā, sūryodaya 06:01, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2029-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2029-04-13","sa":"https://sa.vidhyamitra.com/city/phoenix/2029-04-13","hi":"https://hi.vidhyamitra.com/city/phoenix/2029-04-13","x-default":"https://vidhyamitra.com/city/phoenix/2029-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T00:55:12.515Z","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":"2026-05-15T00:55:12.515Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T00:55:12.515Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}