{"id":"vidhyamitra:city-day:seattle:2159-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/2159-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-09-15","date_display":"September 15, 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":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509875.770833,"kali_year":5261,"ahargana":1921410.2708,"sun":{"sidereal_longitude":144.8681,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":184.6085,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.7404,"elapsed_within_tithi_degrees":3.7404},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.6085,"elapsed_within_degrees":11.2752},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.4766},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509875.770833,"ahargana":1921410.2708,"kali_year":5261,"ayanamsa_lahiri":26.0839,"grahas":{"sun":{"sidereal_longitude":145.977146,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":184.49714599999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":-4.2235},"mars":{"sidereal_longitude":249.118246,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":170.24994600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":169.83214599999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":97.74314600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":179.12484599999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":254.4374,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":74.4374,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2159,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509875.770833,"kali_year":5261,"ahargana":1921410.2708,"sun":{"sidereal_longitude":144.8681,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":184.6085,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.7404,"elapsed_within_tithi_degrees":3.7404},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.6085,"elapsed_within_degrees":11.2752},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.4766},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.223,"elongation":39.74},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.223,"opposition_distance":140.26}},"eclipse_window_40days":[]},"city":{"slug":"seattle","name":"Seattle, USA","lat":47.6062,"lon":-122.3321,"tz_offset_hours":-8,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"seattle","name":"Seattle, USA","lat":47.6062,"lon":-122.3321,"tz_offset_hours":-8,"country":"US","tier":"diaspora"},"sunriseLocal":"05:45","sunsetLocal":"18:23","solarNoonLocal":"12:04","dayLengthHours":12.626063441117545,"dayLengthDisplay":"12 Hours 37 Mins 34 Secs","nightLengthDisplay":"11 Hours 22 Mins 26 Secs","moonriseLocal":"09:27","moonsetLocal":"19:49","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:29","startHours":8.907346253330573,"endHours":10.485604183470267,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:39","end":"15:13","startHours":13.642120043749653,"endHours":15.220377973889345,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:45","end":"07:20","startHours":5.750830393051188,"endHours":7.329088323190881,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:07","startHours":8.696911862645281,"endHours":9.117780644015866,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.276916369764419,"endHours":6.613611394860887,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:29","startHours":11.642993332239376,"endHours":12.484730894980546,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:55","startHours":4.067355267568848,"endHours":4.909092830310018,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:45","startHours":4.698658439624726,"endHours":5.750830393051188,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:01","startHours":14.168206020462883,"endHours":15.009943583204052,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.176893834168734,"endHours":18.576893834168732,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:54","startHours":18.376893834168733,"endHours":18.902979810881963,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.126893834168733,"endHours":19.876893834168733,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:29","startHours":23.642993332239374,"endHours":24.484730894980547,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:45","end":"07:20","startHours":5.750830393051188,"endHours":7.329088323190881,"quality":"inauspicious"},{"name":"Śubha","start":"07:20","end":"08:54","startHours":7.329088323190881,"endHours":8.907346253330573,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:29","startHours":8.907346253330573,"endHours":10.485604183470267,"quality":"inauspicious"},{"name":"Udveg","start":"10:29","end":"12:04","startHours":10.485604183470267,"endHours":12.06386211360996,"quality":"inauspicious"},{"name":"Chala","start":"12:04","end":"13:39","startHours":12.06386211360996,"endHours":13.642120043749653,"quality":"neutral"},{"name":"Labha","start":"13:39","end":"15:13","startHours":13.642120043749653,"endHours":15.220377973889345,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:48","startHours":15.220377973889345,"endHours":16.79863590402904,"quality":"auspicious"},{"name":"Kāla","start":"16:48","end":"18:23","startHours":16.79863590402904,"endHours":18.376893834168733,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:23","end":"19:48","startHours":18.376893834168733,"endHours":19.79863590402904,"quality":"auspicious"},{"name":"Amṛta","start":"19:48","end":"21:13","startHours":19.79863590402904,"endHours":21.22037797388935,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:39","startHours":21.22037797388935,"endHours":22.642120043749653,"quality":"inauspicious"},{"name":"Śubha","start":"22:39","end":"00:04","startHours":22.642120043749653,"endHours":24.06386211360996,"quality":"auspicious"},{"name":"Roga","start":"00:04","end":"01:29","startHours":24.06386211360996,"endHours":25.48560418347027,"quality":"inauspicious"},{"name":"Udveg","start":"01:29","end":"02:54","startHours":25.48560418347027,"endHours":26.907346253330573,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:20","startHours":26.907346253330573,"endHours":28.32908832319088,"quality":"neutral"},{"name":"Labha","start":"04:20","end":"05:45","startHours":28.32908832319088,"endHours":29.75083039305119,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.750830393051188,"endHours":6.750830393051188,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.750830393051188,"endHours":7.750830393051188,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.750830393051188,"endHours":8.750830393051189,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.750830393051189,"endHours":9.750830393051189,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.750830393051189,"endHours":10.750830393051189,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.750830393051189,"endHours":11.750830393051189,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.750830393051189,"endHours":12.750830393051189,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.750830393051189,"endHours":13.750830393051189,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.750830393051189,"endHours":14.750830393051189,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.750830393051189,"endHours":15.750830393051189,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.750830393051189,"endHours":16.75083039305119,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.75083039305119,"endHours":17.75083039305119,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.75083039305119,"endHours":18.75083039305119,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.75083039305119,"endHours":19.75083039305119,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.75083039305119,"endHours":20.75083039305119,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.75083039305119,"endHours":21.75083039305119,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.75083039305119,"endHours":22.75083039305119,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.75083039305119,"endHours":23.75083039305119,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.75083039305119,"endHours":24.75083039305119,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.75083039305119,"endHours":25.75083039305119,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.75083039305119,"endHours":26.75083039305119,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.75083039305119,"endHours":27.75083039305119,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.75083039305119,"endHours":28.75083039305119,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.75083039305119,"endHours":29.75083039305119,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.1490708207368856,"eotMinutes":5.496673183402374,"ayanamsa":26.0839}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturthī · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"festivals":[{"id":"ganesha-chaturthi","name":"Gaṇeśa Caturthī","name_sanskrit":"गणेश चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Gaṇeśa's birth day; 11-day festival in Maharashtra.","vrata":false,"detection":{"tithi_number":4,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":1},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"seattle"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 15, 2159 CE · Seattle, USA · Vidhyamitra","description":"September 15, 2159 CE for Seattle, USA: Śukla Caturthī, sūryodaya 05:45, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/2159-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/2159-09-15","sa":"https://sa.vidhyamitra.com/city/seattle/2159-09-15","hi":"https://hi.vidhyamitra.com/city/seattle/2159-09-15","x-default":"https://vidhyamitra.com/city/seattle/2159-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T14:40:32.546Z","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":"2026-06-05T14:40:32.546Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T14:40:32.546Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}