{"id":"vidhyamitra:city-day:phoenix:2149-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2149-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2149-12-18","date_display":"December 18, 2149 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":2149,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506317.770833,"kali_year":5251,"ahargana":1917852.2708,"sun":{"sidereal_longitude":239.5797,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":101.2916,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.7119,"elapsed_within_tithi_degrees":5.7119},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.2916,"elapsed_within_degrees":7.9583},"yoga":{"number":26,"name":"Indra","sum_longitude":340.8714},"karana":{"half_tithi_index":36,"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":2149,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2506317.770833,"ahargana":1917852.2708,"kali_year":5251,"ayanamsa_lahiri":25.9479,"grahas":{"sun":{"sidereal_longitude":240.31328799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":103.72718800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":1.4142},"mars":{"sidereal_longitude":228.06518800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":218.97258799999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":235.452088,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":213.62668800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":56.749487999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":82.9573,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.9573,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2149,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506317.770833,"kali_year":5251,"ahargana":1917852.2708,"sun":{"sidereal_longitude":239.5797,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":101.2916,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.7119,"elapsed_within_tithi_degrees":5.7119},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.2916,"elapsed_within_degrees":7.9583},"yoga":{"number":26,"name":"Indra","sum_longitude":340.8714},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.414,"elongation":138.288},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.414,"opposition_distance":41.712}},"eclipse_window_40days":[{"offset_days":12,"type":"solar","occurs":true,"moon_latitude":0.781,"elongation":0.415}]},"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":"07:27","sunsetLocal":"17:24","solarNoonLocal":"12:26","dayLengthHours":9.937944521802528,"dayLengthDisplay":"9 Hours 56 Mins 17 Secs","nightLengthDisplay":"14 Hours 03 Mins 43 Secs","moonriseLocal":"20:27","moonsetLocal":"10:11","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"14:55","startHours":13.667380942756294,"endHours":14.90962400798161,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:27","end":"08:42","startHours":7.456165616629714,"endHours":8.69840868185503,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:56","end":"11:11","startHours":9.940651747080345,"endHours":11.182894812305662,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:06","startHours":9.775019338383636,"endHours":10.106284155777054,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:08","startHours":7.870246638371486,"endHours":8.135258492286221,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:45","startHours":12.093873060137561,"endHours":12.756402694924397,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:48","startHours":6.131106347056043,"endHours":6.793635981842879,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:27","startHours":6.62800357314617,"endHours":7.456165616629714,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:45","startHours":14.081461964498066,"endHours":14.743991599284902,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.194110138432244,"endHours":17.594110138432242,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:48","startHours":17.394110138432243,"endHours":17.808191160174015,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.144110138432243,"endHours":18.894110138432243,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:45","startHours":24.09387306013756,"endHours":24.756402694924397,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:27","end":"08:42","startHours":7.456165616629714,"endHours":8.69840868185503,"quality":"auspicious"},{"name":"Roga","start":"08:42","end":"09:56","startHours":8.69840868185503,"endHours":9.940651747080345,"quality":"inauspicious"},{"name":"Udveg","start":"09:56","end":"11:11","startHours":9.940651747080345,"endHours":11.182894812305662,"quality":"inauspicious"},{"name":"Chala","start":"11:11","end":"12:26","startHours":11.182894812305662,"endHours":12.425137877530979,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"13:40","startHours":12.425137877530979,"endHours":13.667380942756294,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"14:55","startHours":13.667380942756294,"endHours":14.90962400798161,"quality":"auspicious"},{"name":"Kāla","start":"14:55","end":"16:09","startHours":14.90962400798161,"endHours":16.151867073206926,"quality":"inauspicious"},{"name":"Śubha","start":"16:09","end":"17:24","startHours":16.151867073206926,"endHours":17.394110138432243,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:24","end":"19:09","startHours":17.394110138432243,"endHours":19.151867073206926,"quality":"auspicious"},{"name":"Kāla","start":"19:09","end":"20:55","startHours":19.151867073206926,"endHours":20.909624007981613,"quality":"inauspicious"},{"name":"Śubha","start":"20:55","end":"22:40","startHours":20.909624007981613,"endHours":22.667380942756296,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:26","startHours":22.667380942756296,"endHours":24.42513787753098,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"02:11","startHours":24.42513787753098,"endHours":26.182894812305662,"quality":"inauspicious"},{"name":"Chala","start":"02:11","end":"03:56","startHours":26.182894812305662,"endHours":27.940651747080345,"quality":"neutral"},{"name":"Labha","start":"03:56","end":"05:42","startHours":27.940651747080345,"endHours":29.69840868185503,"quality":"auspicious"},{"name":"Amṛta","start":"05:42","end":"07:27","startHours":29.69840868185503,"endHours":31.456165616629715,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.456165616629714,"endHours":8.456165616629715,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.456165616629715,"endHours":9.456165616629715,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.456165616629715,"endHours":10.456165616629715,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.456165616629715,"endHours":11.456165616629715,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.456165616629715,"endHours":12.456165616629715,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.456165616629715,"endHours":13.456165616629715,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.456165616629715,"endHours":14.456165616629715,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.456165616629715,"endHours":15.456165616629715,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.456165616629715,"endHours":16.456165616629715,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.456165616629715,"endHours":17.456165616629715,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.456165616629715,"endHours":18.456165616629715,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.456165616629715,"endHours":19.456165616629715,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.456165616629715,"endHours":20.456165616629715,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.456165616629715,"endHours":21.456165616629715,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.456165616629715,"endHours":22.456165616629715,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.456165616629715,"endHours":23.456165616629715,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.456165616629715,"endHours":24.456165616629715,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.456165616629715,"endHours":25.456165616629715,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.456165616629715,"endHours":26.456165616629715,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.456165616629715,"endHours":27.456165616629715,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.456165616629715,"endHours":28.456165616629715,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.456165616629715,"endHours":29.456165616629715,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.456165616629715,"endHours":30.456165616629715,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.456165616629715,"endHours":31.456165616629715,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.383648412386837,"eotMinutes":2.787727348141232,"ayanamsa":25.9479}},"calendars":{"vikram_samvat":2206,"vikram_samvatsara":"Dundubhi","saka_samvat":2071,"saka_samvatsara":"Saumya","bengali_samvat":1556,"malayalam_era":1325,"nanakshahi_year":680,"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 Caturthī · Vikram 2206 Dundubhi · Śaka 2071 Saumya"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 18, 2149 CE · Phoenix, USA · Vidhyamitra","description":"December 18, 2149 CE for Phoenix, USA: Kṛṣṇa Caturthī, sūryodaya 07:27, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2149-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2149-12-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2149-12-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2149-12-18","x-default":"https://vidhyamitra.com/city/phoenix/2149-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:12:33.174Z","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":"2026-06-01T03:12:33.174Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:12:33.174Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}