{"id":"vidhyamitra:city-day:seattle:1981-02-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/1981-02-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-25","date_display":"February 25, 1981 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":1981,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444660.770833,"kali_year":5082,"ahargana":1856195.2708,"sun":{"sidereal_longitude":312.95,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":203.5777,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.6277,"elapsed_within_tithi_degrees":10.6277},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":203.5777,"elapsed_within_degrees":3.5777},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.5278},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1981,"month":2,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444660.770833,"ahargana":1856195.2708,"kali_year":5082,"ayanamsa_lahiri":23.5897,"grahas":{"sun":{"sidereal_longitude":312.76433900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":200.78013899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.4904},"mars":{"sidereal_longitude":320.976439,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":298.13943900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":165.36403900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":302.70583899999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":164.796339,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":109.8419,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.8419,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444660.770833,"kali_year":5082,"ahargana":1856195.2708,"sun":{"sidereal_longitude":312.95,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":203.5777,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.6277,"elapsed_within_tithi_degrees":10.6277},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":203.5777,"elapsed_within_degrees":3.5777},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.5278},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.49,"elongation":109.372},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.49,"opposition_distance":70.628}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"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":"06:59","sunsetLocal":"17:47","solarNoonLocal":"12:23","dayLengthHours":10.809829828692209,"dayLengthDisplay":"10 Hours 48 Mins 35 Secs","nightLengthDisplay":"13 Hours 11 Mins 25 Secs","moonriseLocal":"00:05","moonsetLocal":"09:45","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:44","startHours":12.383841412248856,"endHours":13.735070140835383,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:20","end":"09:41","startHours":8.330155226489278,"endHours":9.681383955075804,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:02","end":"12:23","startHours":11.032612683662329,"endHours":12.383841412248856,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.5012201245976,"endHours":9.861547785554007,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:43","startHours":7.42933607409826,"endHours":7.717598202863385,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:45","startHours":12.023513751292448,"endHours":12.744169073205263,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:15","startHours":5.537615854077123,"endHours":6.258271175989938,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:59","startHours":6.078107345511734,"endHours":6.978926497902751,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:54","startHours":14.18547971703089,"endHours":14.906135038943704,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.58875632659496,"endHours":17.98875632659496,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:14","startHours":17.78875632659496,"endHours":18.239165902790468,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.53875632659496,"endHours":19.28875632659496,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:45","startHours":24.023513751292448,"endHours":24.744169073205263,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:59","end":"08:20","startHours":6.978926497902751,"endHours":8.330155226489278,"quality":"auspicious"},{"name":"Amṛta","start":"08:20","end":"09:41","startHours":8.330155226489278,"endHours":9.681383955075804,"quality":"auspicious"},{"name":"Kāla","start":"09:41","end":"11:02","startHours":9.681383955075804,"endHours":11.032612683662329,"quality":"inauspicious"},{"name":"Śubha","start":"11:02","end":"12:23","startHours":11.032612683662329,"endHours":12.383841412248856,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:44","startHours":12.383841412248856,"endHours":13.735070140835383,"quality":"inauspicious"},{"name":"Udveg","start":"13:44","end":"15:05","startHours":13.735070140835383,"endHours":15.086298869421908,"quality":"inauspicious"},{"name":"Chala","start":"15:05","end":"16:26","startHours":15.086298869421908,"endHours":16.437527598008433,"quality":"neutral"},{"name":"Labha","start":"16:26","end":"17:47","startHours":16.437527598008433,"endHours":17.78875632659496,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:47","end":"19:26","startHours":17.78875632659496,"endHours":19.437527598008433,"quality":"inauspicious"},{"name":"Chala","start":"19:26","end":"21:05","startHours":19.437527598008433,"endHours":21.08629886942191,"quality":"neutral"},{"name":"Labha","start":"21:05","end":"22:44","startHours":21.08629886942191,"endHours":22.735070140835383,"quality":"auspicious"},{"name":"Amṛta","start":"22:44","end":"00:23","startHours":22.735070140835383,"endHours":24.383841412248856,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:02","startHours":24.383841412248856,"endHours":26.03261268366233,"quality":"inauspicious"},{"name":"Śubha","start":"02:02","end":"03:41","startHours":26.03261268366233,"endHours":27.681383955075802,"quality":"auspicious"},{"name":"Roga","start":"03:41","end":"05:20","startHours":27.681383955075802,"endHours":29.33015522648928,"quality":"inauspicious"},{"name":"Udveg","start":"05:20","end":"06:59","startHours":29.33015522648928,"endHours":30.97892649790275,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.978926497902751,"endHours":7.978926497902751,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.978926497902751,"endHours":8.978926497902751,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.978926497902751,"endHours":9.978926497902751,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.978926497902751,"endHours":10.978926497902751,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.978926497902751,"endHours":11.978926497902751,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.978926497902751,"endHours":12.978926497902751,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.978926497902751,"endHours":13.978926497902751,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.978926497902751,"endHours":14.978926497902751,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.978926497902751,"endHours":15.978926497902751,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.978926497902751,"endHours":16.97892649790275,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.97892649790275,"endHours":17.97892649790275,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.97892649790275,"endHours":18.97892649790275,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.97892649790275,"endHours":19.97892649790275,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.97892649790275,"endHours":20.97892649790275,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.97892649790275,"endHours":21.97892649790275,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.97892649790275,"endHours":22.97892649790275,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.97892649790275,"endHours":23.97892649790275,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.97892649790275,"endHours":24.97892649790275,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.97892649790275,"endHours":25.97892649790275,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.97892649790275,"endHours":26.97892649790275,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.97892649790275,"endHours":27.97892649790275,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.97892649790275,"endHours":28.97892649790275,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.97892649790275,"endHours":29.97892649790275,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.97892649790275,"endHours":30.97892649790275,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.17927551689871,"eotMinutes":-13.702084734931393,"ayanamsa":23.5897}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Ṣaṣṭhī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 February 25, 1981 CE · Seattle, USA · Vidhyamitra","description":"February 25, 1981 CE for Seattle, USA: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:59, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/1981-02-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/1981-02-25","sa":"https://sa.vidhyamitra.com/city/seattle/1981-02-25","hi":"https://hi.vidhyamitra.com/city/seattle/1981-02-25","x-default":"https://vidhyamitra.com/city/seattle/1981-02-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:13:29.770Z","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":"2026-06-01T08:13:29.770Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:13:29.770Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}