{"id":"vidhyamitra:city-day:phoenix:2159-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2159-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-04-13","date_display":"April 13, 2159 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":2159,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509720.770833,"kali_year":5260,"ahargana":1921255.2708,"sun":{"sidereal_longitude":356.6317,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":291.4842,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":294.8525,"elapsed_within_tithi_degrees":6.8525},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.4842,"elapsed_within_degrees":11.4842},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.1159},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"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":2159,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509720.770833,"ahargana":1921255.2708,"kali_year":5260,"ayanamsa_lahiri":26.078,"grahas":{"sun":{"sidereal_longitude":356.858268,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":290.4356680000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":2.1685},"mars":{"sidereal_longitude":241.188668,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":344.427768,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":159.977668,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":39.74016799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":177.73646800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":262.65,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":82.65,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2159,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509720.770833,"kali_year":5260,"ahargana":1921255.2708,"sun":{"sidereal_longitude":356.6317,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":291.4842,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":294.8525,"elapsed_within_tithi_degrees":6.8525},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.4842,"elapsed_within_degrees":11.4842},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.1159},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.169,"elongation":65.147},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.169,"opposition_distance":114.853}},"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":12.92880154314453,"dayLengthDisplay":"12 Hours 55 Mins 44 Secs","nightLengthDisplay":"11 Hours 04 Mins 16 Secs","moonriseLocal":"02:44","moonsetLocal":"13:23","rahuKala":{"name":"Rāhu Kāla","start":"10:52","end":"12:29","startHours":10.868329987602007,"endHours":12.484430180495071,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:43","end":"17:20","startHours":15.716630566281204,"endHours":17.33273075917427,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:38","end":"09:15","startHours":7.636129601815873,"endHours":9.252229794708938,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:28","startHours":9.036749768989864,"endHours":9.467709820428015,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.558729473220495,"endHours":6.903497514371016,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:55","startHours":12.05347012905692,"endHours":12.915390231933221,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:09","startHours":4.2961892031702025,"endHours":5.158109306046505,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:01","startHours":4.942629280327429,"endHours":6.020029408922807,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:30","startHours":14.639230437685828,"endHours":15.501150540562131,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.748830952067337,"endHours":19.148830952067335,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:29","startHours":18.948830952067336,"endHours":19.487531016365025,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.698830952067336,"endHours":20.448830952067336,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:55","startHours":24.05347012905692,"endHours":24.915390231933223,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:01","end":"07:38","startHours":6.020029408922807,"endHours":7.636129601815873,"quality":"neutral"},{"name":"Labha","start":"07:38","end":"09:15","startHours":7.636129601815873,"endHours":9.252229794708938,"quality":"auspicious"},{"name":"Amṛta","start":"09:15","end":"10:52","startHours":9.252229794708938,"endHours":10.868329987602007,"quality":"auspicious"},{"name":"Kāla","start":"10:52","end":"12:29","startHours":10.868329987602007,"endHours":12.484430180495071,"quality":"inauspicious"},{"name":"Śubha","start":"12:29","end":"14:06","startHours":12.484430180495071,"endHours":14.100530373388139,"quality":"auspicious"},{"name":"Roga","start":"14:06","end":"15:43","startHours":14.100530373388139,"endHours":15.716630566281204,"quality":"inauspicious"},{"name":"Udveg","start":"15:43","end":"17:20","startHours":15.716630566281204,"endHours":17.33273075917427,"quality":"inauspicious"},{"name":"Chala","start":"17:20","end":"18:57","startHours":17.33273075917427,"endHours":18.948830952067336,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:57","end":"20:20","startHours":18.948830952067336,"endHours":20.332730759174268,"quality":"inauspicious"},{"name":"Udveg","start":"20:20","end":"21:43","startHours":20.332730759174268,"endHours":21.716630566281204,"quality":"inauspicious"},{"name":"Chala","start":"21:43","end":"23:06","startHours":21.716630566281204,"endHours":23.10053037338814,"quality":"neutral"},{"name":"Labha","start":"23:06","end":"00:29","startHours":23.10053037338814,"endHours":24.48443018049507,"quality":"auspicious"},{"name":"Amṛta","start":"00:29","end":"01:52","startHours":24.48443018049507,"endHours":25.868329987602003,"quality":"auspicious"},{"name":"Kāla","start":"01:52","end":"03:15","startHours":25.868329987602003,"endHours":27.25222979470894,"quality":"inauspicious"},{"name":"Śubha","start":"03:15","end":"04:38","startHours":27.25222979470894,"endHours":28.636129601815874,"quality":"auspicious"},{"name":"Roga","start":"04:38","end":"06:01","startHours":28.636129601815874,"endHours":30.020029408922806,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.020029408922807,"endHours":7.020029408922807,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.020029408922807,"endHours":8.020029408922806,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.020029408922806,"endHours":9.020029408922806,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.020029408922806,"endHours":10.020029408922806,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.020029408922806,"endHours":11.020029408922806,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.020029408922806,"endHours":12.020029408922806,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.020029408922806,"endHours":13.020029408922806,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.020029408922806,"endHours":14.020029408922806,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.020029408922806,"endHours":15.020029408922806,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.020029408922806,"endHours":16.020029408922806,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.020029408922806,"endHours":17.020029408922806,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.020029408922806,"endHours":18.020029408922806,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.020029408922806,"endHours":19.020029408922806,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.020029408922806,"endHours":20.020029408922806,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.020029408922806,"endHours":21.020029408922806,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.020029408922806,"endHours":22.020029408922806,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.020029408922806,"endHours":23.020029408922806,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.020029408922806,"endHours":24.020029408922806,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.020029408922806,"endHours":25.020029408922806,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.020029408922806,"endHours":26.020029408922806,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.020029408922806,"endHours":27.020029408922806,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.020029408922806,"endHours":28.020029408922806,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.020029408922806,"endHours":29.020029408922806,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.020029408922806,"endHours":30.020029408922806,"planetary_lord":"Mars"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","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":8.916744973752577,"eotMinutes":-0.7698108297043191,"ayanamsa":26.078}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"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 Daśamī · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"festivals":[],"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":[]},"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, 2159 CE · Phoenix, USA · Vidhyamitra","description":"April 13, 2159 CE for Phoenix, USA: Kṛṣṇa Daśamī, sūryodaya 06:01, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2159-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2159-04-13","sa":"https://sa.vidhyamitra.com/city/phoenix/2159-04-13","hi":"https://hi.vidhyamitra.com/city/phoenix/2159-04-13","x-default":"https://vidhyamitra.com/city/phoenix/2159-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T14:58:20.511Z","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":"2026-05-29T14:58:20.511Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T14:58:20.511Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}