{"id":"vidhyamitra:city-day:phoenix:2017-09-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2017-09-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-09-29","date_display":"September 29, 2017 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":2017,"month":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458025.770833,"kali_year":5119,"ahargana":1869560.2708,"sun":{"sidereal_longitude":161.2079,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":262.5138,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.3058,"elapsed_within_tithi_degrees":5.3058},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":262.5138,"elapsed_within_degrees":9.1804},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.7217},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2017,"month":9,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458025.770833,"ahargana":1869560.2708,"kali_year":5119,"ayanamsa_lahiri":24.1009,"grahas":{"sun":{"sidereal_longitude":161.99619699999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":261.9973970000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":2.8415},"mars":{"sidereal_longitude":140.62269700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":153.85069699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":183.156297,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":136.689797,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":237.879097,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":121.6999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.6999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"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":2017,"month":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458025.770833,"kali_year":5119,"ahargana":1869560.2708,"sun":{"sidereal_longitude":161.2079,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":262.5138,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.3058,"elapsed_within_tithi_degrees":5.3058},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":262.5138,"elapsed_within_degrees":9.1804},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.7217},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.842,"elongation":101.306},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.842,"opposition_distance":78.694}},"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":"06:20","sunsetLocal":"18:15","solarNoonLocal":"12:18","dayLengthHours":11.919845247976724,"dayLengthDisplay":"11 Hours 55 Mins 11 Secs","nightLengthDisplay":"12 Hours 04 Mins 49 Secs","moonriseLocal":"13:58","moonsetLocal":"23:58","rahuKala":{"name":"Rāhu Kāla","start":"10:48","end":"12:18","startHours":10.80636007127277,"endHours":12.296340727269861,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:17","end":"16:46","startHours":15.276302039264042,"endHours":16.766282695261133,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:50","end":"09:19","startHours":7.826398759278589,"endHours":9.31637941527568,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.1177153278094,"endHours":9.515043502741957,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.833078321947195,"endHours":7.150940861893241,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:42","startHours":11.899012552337304,"endHours":12.693668902202418,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:33","startHours":4.747105403551268,"endHours":5.541761753416383,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:20","startHours":5.343097665950104,"endHours":6.336418103281498,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:05","startHours":14.282981601932647,"endHours":15.077637951797762,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.056263351258224,"endHours":18.456263351258222,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:45","startHours":18.256263351258223,"endHours":18.75292356992392,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.006263351258223,"endHours":19.756263351258223,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:42","startHours":23.899012552337304,"endHours":24.69366890220242,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:20","end":"07:50","startHours":6.336418103281498,"endHours":7.826398759278589,"quality":"neutral"},{"name":"Labha","start":"07:50","end":"09:19","startHours":7.826398759278589,"endHours":9.31637941527568,"quality":"auspicious"},{"name":"Amṛta","start":"09:19","end":"10:48","startHours":9.31637941527568,"endHours":10.80636007127277,"quality":"auspicious"},{"name":"Kāla","start":"10:48","end":"12:18","startHours":10.80636007127277,"endHours":12.296340727269861,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:47","startHours":12.296340727269861,"endHours":13.786321383266952,"quality":"auspicious"},{"name":"Roga","start":"13:47","end":"15:17","startHours":13.786321383266952,"endHours":15.276302039264042,"quality":"inauspicious"},{"name":"Udveg","start":"15:17","end":"16:46","startHours":15.276302039264042,"endHours":16.766282695261133,"quality":"inauspicious"},{"name":"Chala","start":"16:46","end":"18:15","startHours":16.766282695261133,"endHours":18.256263351258223,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:15","end":"19:46","startHours":18.256263351258223,"endHours":19.766282695261133,"quality":"inauspicious"},{"name":"Udveg","start":"19:46","end":"21:17","startHours":19.766282695261133,"endHours":21.276302039264042,"quality":"inauspicious"},{"name":"Chala","start":"21:17","end":"22:47","startHours":21.276302039264042,"endHours":22.78632138326695,"quality":"neutral"},{"name":"Labha","start":"22:47","end":"00:18","startHours":22.78632138326695,"endHours":24.29634072726986,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:48","startHours":24.29634072726986,"endHours":25.80636007127277,"quality":"auspicious"},{"name":"Kāla","start":"01:48","end":"03:19","startHours":25.80636007127277,"endHours":27.31637941527568,"quality":"inauspicious"},{"name":"Śubha","start":"03:19","end":"04:50","startHours":27.31637941527568,"endHours":28.82639875927859,"quality":"auspicious"},{"name":"Roga","start":"04:50","end":"06:20","startHours":28.82639875927859,"endHours":30.3364181032815,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.336418103281498,"endHours":7.336418103281498,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.336418103281498,"endHours":8.336418103281499,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.336418103281499,"endHours":9.336418103281499,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.336418103281499,"endHours":10.336418103281499,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.336418103281499,"endHours":11.336418103281499,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.336418103281499,"endHours":12.336418103281499,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.336418103281499,"endHours":13.336418103281499,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.336418103281499,"endHours":14.336418103281499,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.336418103281499,"endHours":15.336418103281499,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.336418103281499,"endHours":16.3364181032815,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.3364181032815,"endHours":17.3364181032815,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.3364181032815,"endHours":18.3364181032815,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.3364181032815,"endHours":19.3364181032815,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.3364181032815,"endHours":20.3364181032815,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.3364181032815,"endHours":21.3364181032815,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.3364181032815,"endHours":22.3364181032815,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.3364181032815,"endHours":23.3364181032815,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.3364181032815,"endHours":24.3364181032815,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.3364181032815,"endHours":25.3364181032815,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.3364181032815,"endHours":26.3364181032815,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.3364181032815,"endHours":27.3364181032815,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.3364181032815,"endHours":28.3364181032815,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.3364181032815,"endHours":29.3364181032815,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.3364181032815,"endHours":30.3364181032815,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-2.421159668140333,"eotMinutes":10.515556363808276,"ayanamsa":24.1009}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Navamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"mahanavami","name":"Mahā-Navamī","name_sanskrit":"महानवमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"9th day of Śāradīya Navrātri; Devī's final victory.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 September 29, 2017 CE · Phoenix, USA · Vidhyamitra","description":"September 29, 2017 CE for Phoenix, USA: Śukla Navamī, sūryodaya 06:20, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2017-09-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2017-09-29","sa":"https://sa.vidhyamitra.com/city/phoenix/2017-09-29","hi":"https://hi.vidhyamitra.com/city/phoenix/2017-09-29","x-default":"https://vidhyamitra.com/city/phoenix/2017-09-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:47:32.689Z","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":"2026-05-15T13:47:32.689Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:47:32.689Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}