{"id":"vidhyamitra:city-day:phoenix:2164-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2164-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-12-06","date_display":"December 6, 2164 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":2164,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511784.770833,"kali_year":5266,"ahargana":1923319.2708,"sun":{"sidereal_longitude":227.4086,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":131.2865,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.8778,"elapsed_within_tithi_degrees":11.8778},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.2865,"elapsed_within_degrees":11.2865},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.6951},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2164,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511784.770833,"ahargana":1923319.2708,"kali_year":5266,"ayanamsa_lahiri":26.1569,"grahas":{"sun":{"sidereal_longitude":228.27950799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":129.41100800000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":-1.6845},"mars":{"sidereal_longitude":213.91320799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":210.09490800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":321.084108,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":210.134908,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":239.814708,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":153.2894,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":333.2894,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2164,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511784.770833,"kali_year":5266,"ahargana":1923319.2708,"sun":{"sidereal_longitude":227.4086,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":131.2865,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.8778,"elapsed_within_tithi_degrees":11.8778},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.2865,"elapsed_within_degrees":11.2865},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.6951},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.684,"elongation":96.122},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.684,"opposition_distance":83.878}},"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":"07:19","sunsetLocal":"17:21","solarNoonLocal":"12:20","dayLengthHours":10.028982967398676,"dayLengthDisplay":"10 Hours 01 Mins 44 Secs","nightLengthDisplay":"13 Hours 58 Mins 16 Secs","moonriseLocal":"23:17","moonsetLocal":"12:13","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"14:51","startHours":13.589508213012305,"endHours":14.843131083937141,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:19","end":"08:35","startHours":7.3213938583881335,"endHours":8.575016729312967,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:50","end":"11:05","startHours":9.828639600237803,"endHours":11.082262471162636,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:00","startHours":9.661489884114491,"endHours":9.995789316361114,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:44","end":"08:00","startHours":7.739268148696412,"endHours":8.00670769449371,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:40","startHours":12.00158590984085,"endHours":12.670184774334095,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:39","startHours":5.984196129401644,"endHours":6.652794993894888,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:29","end":"07:19","startHours":6.485645277771577,"endHours":7.3213938583881335,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.007382503320585,"endHours":14.67598136781383,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.15037682578681,"endHours":17.55037682578681,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.35037682578681,"endHours":17.768251116095087,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.10037682578681,"endHours":18.85037682578681,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:40","startHours":24.00158590984085,"endHours":24.670184774334096,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:19","end":"08:35","startHours":7.3213938583881335,"endHours":8.575016729312967,"quality":"auspicious"},{"name":"Roga","start":"08:35","end":"09:50","startHours":8.575016729312967,"endHours":9.828639600237803,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:05","startHours":9.828639600237803,"endHours":11.082262471162636,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:20","startHours":11.082262471162636,"endHours":12.335885342087472,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:35","startHours":12.335885342087472,"endHours":13.589508213012305,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"14:51","startHours":13.589508213012305,"endHours":14.843131083937141,"quality":"auspicious"},{"name":"Kāla","start":"14:51","end":"16:06","startHours":14.843131083937141,"endHours":16.096753954861974,"quality":"inauspicious"},{"name":"Śubha","start":"16:06","end":"17:21","startHours":16.096753954861974,"endHours":17.35037682578681,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:21","end":"19:06","startHours":17.35037682578681,"endHours":19.096753954861974,"quality":"auspicious"},{"name":"Kāla","start":"19:06","end":"20:51","startHours":19.096753954861974,"endHours":20.84313108393714,"quality":"inauspicious"},{"name":"Śubha","start":"20:51","end":"22:35","startHours":20.84313108393714,"endHours":22.58950821301231,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"00:20","startHours":22.58950821301231,"endHours":24.335885342087472,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"02:05","startHours":24.335885342087472,"endHours":26.082262471162636,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:50","startHours":26.082262471162636,"endHours":27.828639600237803,"quality":"neutral"},{"name":"Labha","start":"03:50","end":"05:35","startHours":27.828639600237803,"endHours":29.57501672931297,"quality":"auspicious"},{"name":"Amṛta","start":"05:35","end":"07:19","startHours":29.57501672931297,"endHours":31.321393858388134,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.3213938583881335,"endHours":8.321393858388134,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.321393858388134,"endHours":9.321393858388134,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.321393858388134,"endHours":10.321393858388134,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.321393858388134,"endHours":11.321393858388134,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.321393858388134,"endHours":12.321393858388134,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.321393858388134,"endHours":13.321393858388134,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.321393858388134,"endHours":14.321393858388134,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.321393858388134,"endHours":15.321393858388134,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.321393858388134,"endHours":16.321393858388134,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.321393858388134,"endHours":17.321393858388134,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.321393858388134,"endHours":18.321393858388134,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.321393858388134,"endHours":19.321393858388134,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.321393858388134,"endHours":20.321393858388134,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.321393858388134,"endHours":21.321393858388134,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.321393858388134,"endHours":22.321393858388134,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.321393858388134,"endHours":23.321393858388134,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.321393858388134,"endHours":24.321393858388134,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.321393858388134,"endHours":25.321393858388134,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.321393858388134,"endHours":26.321393858388134,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.321393858388134,"endHours":27.321393858388134,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.321393858388134,"endHours":28.321393858388134,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.321393858388134,"endHours":29.321393858388134,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.321393858388134,"endHours":30.321393858388134,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.321393858388134,"endHours":31.321393858388134,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.528870079065314,"eotMinutes":8.142879474751563,"ayanamsa":26.1569}},"calendars":{"vikram_samvat":2221,"vikram_samvatsara":"Īśvara","saka_samvat":2086,"saka_samvatsara":"Raktākṣī","bengali_samvat":1571,"malayalam_era":1340,"nanakshahi_year":695,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Saptamī · Vikram 2221 Īśvara · Śaka 2086 Raktākṣī"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 6, 2164 CE · Phoenix, USA · Vidhyamitra","description":"December 6, 2164 CE for Phoenix, USA: Kṛṣṇa Saptamī, sūryodaya 07:19, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2164-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2164-12-06","sa":"https://sa.vidhyamitra.com/city/phoenix/2164-12-06","hi":"https://hi.vidhyamitra.com/city/phoenix/2164-12-06","x-default":"https://vidhyamitra.com/city/phoenix/2164-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:32:34.176Z","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":"2026-06-03T07:32:34.176Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:32:34.176Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}