{"id":"vidhyamitra:city-day:phoenix:1817-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1817-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1817-12-29","date_display":"December 29, 1817 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":1817,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385067.770833,"kali_year":4919,"ahargana":1796602.2708,"sun":{"sidereal_longitude":255.9228,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":140.1362,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.2134,"elapsed_within_tithi_degrees":4.2134},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":140.1362,"elapsed_within_degrees":6.8028},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.059},"karana":{"half_tithi_index":40,"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":1817,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385067.770833,"ahargana":1796602.2708,"kali_year":4919,"ayanamsa_lahiri":21.3105,"grahas":{"sun":{"sidereal_longitude":255.73422900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":137.578129,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":4.1486},"mars":{"sidereal_longitude":51.353429000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":274.1336289999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":246.28342900000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":240.46152899999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":312.310029,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":27.3658,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":207.3658,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1817,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385067.770833,"kali_year":4919,"ahargana":1796602.2708,"sun":{"sidereal_longitude":255.9228,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":140.1362,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.2134,"elapsed_within_tithi_degrees":4.2134},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":140.1362,"elapsed_within_degrees":6.8028},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.059},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.149,"elongation":115.787},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.149,"opposition_distance":64.213}},"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":"07:32","sunsetLocal":"17:29","solarNoonLocal":"12:31","dayLengthHours":9.952365918253847,"dayLengthDisplay":"9 Hours 57 Mins 09 Secs","nightLengthDisplay":"14 Hours 02 Mins 51 Secs","moonriseLocal":"22:13","moonsetLocal":"11:03","rahuKala":{"name":"Rāhu Kāla","start":"08:47","end":"10:01","startHours":8.778575721397633,"endHours":10.022621461179362,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:16","end":"12:31","startHours":11.266667200961095,"endHours":12.510712940742824,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:45","end":"15:00","startHours":13.754758680524557,"endHours":14.998804420306286,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:11","startHours":9.856748695875133,"endHours":10.188494226483595,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:13","startHours":7.949211894876479,"endHours":8.214608319363247,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:51","startHours":12.178967410134362,"endHours":12.842458471351286,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:52","startHours":6.207547859182055,"endHours":6.871038920398979,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:32","startHours":6.705166155094748,"endHours":7.5345299816159015,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:50","startHours":14.169440593785133,"endHours":14.832931655002056,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.286895899869748,"endHours":17.686895899869747,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:54","startHours":17.486895899869747,"endHours":17.901577813130324,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.236895899869747,"endHours":18.986895899869747,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:51","startHours":24.178967410134362,"endHours":24.842458471351286,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:32","end":"08:47","startHours":7.5345299816159015,"endHours":8.778575721397633,"quality":"auspicious"},{"name":"Kāla","start":"08:47","end":"10:01","startHours":8.778575721397633,"endHours":10.022621461179362,"quality":"inauspicious"},{"name":"Śubha","start":"10:01","end":"11:16","startHours":10.022621461179362,"endHours":11.266667200961095,"quality":"auspicious"},{"name":"Roga","start":"11:16","end":"12:31","startHours":11.266667200961095,"endHours":12.510712940742824,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:45","startHours":12.510712940742824,"endHours":13.754758680524557,"quality":"inauspicious"},{"name":"Chala","start":"13:45","end":"15:00","startHours":13.754758680524557,"endHours":14.998804420306286,"quality":"neutral"},{"name":"Labha","start":"15:00","end":"16:15","startHours":14.998804420306286,"endHours":16.242850160088018,"quality":"auspicious"},{"name":"Amṛta","start":"16:15","end":"17:29","startHours":16.242850160088018,"endHours":17.486895899869747,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:29","end":"19:15","startHours":17.486895899869747,"endHours":19.242850160088018,"quality":"neutral"},{"name":"Labha","start":"19:15","end":"21:00","startHours":19.242850160088018,"endHours":20.998804420306286,"quality":"auspicious"},{"name":"Amṛta","start":"21:00","end":"22:45","startHours":20.998804420306286,"endHours":22.754758680524553,"quality":"auspicious"},{"name":"Kāla","start":"22:45","end":"00:31","startHours":22.754758680524553,"endHours":24.510712940742824,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:16","startHours":24.510712940742824,"endHours":26.266667200961095,"quality":"auspicious"},{"name":"Roga","start":"02:16","end":"04:01","startHours":26.266667200961095,"endHours":28.022621461179362,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:47","startHours":28.022621461179362,"endHours":29.77857572139763,"quality":"inauspicious"},{"name":"Chala","start":"05:47","end":"07:32","startHours":29.77857572139763,"endHours":31.5345299816159,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.5345299816159015,"endHours":8.5345299816159,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.5345299816159,"endHours":9.5345299816159,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.5345299816159,"endHours":10.5345299816159,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.5345299816159,"endHours":11.5345299816159,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.5345299816159,"endHours":12.5345299816159,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.5345299816159,"endHours":13.5345299816159,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.5345299816159,"endHours":14.5345299816159,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.5345299816159,"endHours":15.5345299816159,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.5345299816159,"endHours":16.5345299816159,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.5345299816159,"endHours":17.5345299816159,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.5345299816159,"endHours":18.5345299816159,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.5345299816159,"endHours":19.5345299816159,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.5345299816159,"endHours":20.5345299816159,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.5345299816159,"endHours":21.5345299816159,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.5345299816159,"endHours":22.5345299816159,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.5345299816159,"endHours":23.5345299816159,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.5345299816159,"endHours":24.5345299816159,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.5345299816159,"endHours":25.5345299816159,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.5345299816159,"endHours":26.5345299816159,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.5345299816159,"endHours":27.5345299816159,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.5345299816159,"endHours":28.5345299816159,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.5345299816159,"endHours":29.5345299816159,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.5345299816159,"endHours":30.5345299816159,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.5345299816159,"endHours":31.5345299816159,"planetary_lord":"Venus"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.249127397331563,"eotMinutes":-2.3467764445695645,"ayanamsa":21.3105}},"calendars":{"vikram_samvat":1874,"vikram_samvatsara":"Vikṛti","saka_samvat":1739,"saka_samvatsara":"Īśvara","bengali_samvat":1224,"malayalam_era":993,"nanakshahi_year":348,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 1874 Vikṛti · Śaka 1739 Īśvara"},"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":[]},"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 December 29, 1817 CE · Phoenix, USA · Vidhyamitra","description":"December 29, 1817 CE for Phoenix, USA: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:32, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1817-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1817-12-29","sa":"https://sa.vidhyamitra.com/city/phoenix/1817-12-29","hi":"https://hi.vidhyamitra.com/city/phoenix/1817-12-29","x-default":"https://vidhyamitra.com/city/phoenix/1817-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-06T06:57:04.414Z","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":"2026-06-06T06:57:04.414Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-06T06:57:04.414Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}