{"id":"vidhyamitra:city-day:seattle:2027-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/2027-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-02-28","date_display":"February 28, 2027 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":2027,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461464.770833,"kali_year":5128,"ahargana":1872999.2708,"sun":{"sidereal_longitude":315.0647,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":221.2971,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.2324,"elapsed_within_tithi_degrees":2.2324},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":221.2971,"elapsed_within_degrees":7.9637},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.3617},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2027,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461464.770833,"ahargana":1872999.2708,"kali_year":5128,"ayanamsa_lahiri":24.2324,"grahas":{"sun":{"sidereal_longitude":314.97890200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":223.115502,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":-4.4045},"mars":{"sidereal_longitude":122.852802,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":297.014002,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":115.40680199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":273.910702,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":348.797702,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":299.4851,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":119.4851,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461464.770833,"kali_year":5128,"ahargana":1872999.2708,"sun":{"sidereal_longitude":315.0647,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":221.2971,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.2324,"elapsed_within_tithi_degrees":2.2324},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":221.2971,"elapsed_within_degrees":7.9637},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.3617},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.405,"elongation":93.768},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.405,"opposition_distance":86.232}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-0.791,"opposition_distance":1.992}]},"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":"06:53","sunsetLocal":"17:52","solarNoonLocal":"12:23","dayLengthHours":10.970055414824628,"dayLengthDisplay":"10 Hours 58 Mins 12 Secs","nightLengthDisplay":"13 Hours 01 Mins 48 Secs","moonriseLocal":"01:53","moonsetLocal":"10:37","rahuKala":{"name":"Rāhu Kāla","start":"16:29","end":"17:52","startHours":16.489628427659692,"endHours":17.86088535451277,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"13:45","startHours":12.375857647100457,"endHours":13.747114573953535,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:07","end":"16:29","startHours":15.118371500806614,"endHours":16.489628427659692,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:49","startHours":9.450509536480556,"endHours":9.816178050308045,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.347915581972503,"endHours":7.6404503930344925,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.010189133272968,"endHours":12.741526160927945,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:10","startHours":5.428155884378193,"endHours":6.159492912033168,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:53","startHours":5.976658655119424,"endHours":6.890829939688143,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:56","startHours":14.204200216237895,"endHours":14.93553724389287,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.66088535451277,"endHours":18.06088535451277,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:19","startHours":17.86088535451277,"endHours":18.31797099679713,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.61088535451277,"endHours":19.36088535451277,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.01018913327297,"endHours":24.741526160927943,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:53","end":"08:16","startHours":6.890829939688143,"endHours":8.262086866541221,"quality":"inauspicious"},{"name":"Chala","start":"08:16","end":"09:38","startHours":8.262086866541221,"endHours":9.6333437933943,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"11:00","startHours":9.6333437933943,"endHours":11.004600720247378,"quality":"auspicious"},{"name":"Amṛta","start":"11:00","end":"12:23","startHours":11.004600720247378,"endHours":12.375857647100457,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"13:45","startHours":12.375857647100457,"endHours":13.747114573953535,"quality":"inauspicious"},{"name":"Śubha","start":"13:45","end":"15:07","startHours":13.747114573953535,"endHours":15.118371500806614,"quality":"auspicious"},{"name":"Roga","start":"15:07","end":"16:29","startHours":15.118371500806614,"endHours":16.489628427659692,"quality":"inauspicious"},{"name":"Udveg","start":"16:29","end":"17:52","startHours":16.489628427659692,"endHours":17.86088535451277,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:52","end":"19:29","startHours":17.86088535451277,"endHours":19.489628427659692,"quality":"auspicious"},{"name":"Roga","start":"19:29","end":"21:07","startHours":19.489628427659692,"endHours":21.118371500806614,"quality":"inauspicious"},{"name":"Udveg","start":"21:07","end":"22:45","startHours":21.118371500806614,"endHours":22.747114573953535,"quality":"inauspicious"},{"name":"Chala","start":"22:45","end":"00:23","startHours":22.747114573953535,"endHours":24.375857647100457,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"02:00","startHours":24.375857647100457,"endHours":26.004600720247378,"quality":"auspicious"},{"name":"Amṛta","start":"02:00","end":"03:38","startHours":26.004600720247378,"endHours":27.6333437933943,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:16","startHours":27.6333437933943,"endHours":29.26208686654122,"quality":"inauspicious"},{"name":"Śubha","start":"05:16","end":"06:53","startHours":29.26208686654122,"endHours":30.890829939688143,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.890829939688143,"endHours":7.890829939688143,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.890829939688143,"endHours":8.890829939688143,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.890829939688143,"endHours":9.890829939688143,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.890829939688143,"endHours":10.890829939688143,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.890829939688143,"endHours":11.890829939688143,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.890829939688143,"endHours":12.890829939688143,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.890829939688143,"endHours":13.890829939688143,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.890829939688143,"endHours":14.890829939688143,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.890829939688143,"endHours":15.890829939688143,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.890829939688143,"endHours":16.890829939688143,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.890829939688143,"endHours":17.890829939688143,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.890829939688143,"endHours":18.890829939688143,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.890829939688143,"endHours":19.890829939688143,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.890829939688143,"endHours":20.890829939688143,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.890829939688143,"endHours":21.890829939688143,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.890829939688143,"endHours":22.890829939688143,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.890829939688143,"endHours":23.890829939688143,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.890829939688143,"endHours":24.890829939688143,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.890829939688143,"endHours":25.890829939688143,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.890829939688143,"endHours":26.890829939688143,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.890829939688143,"endHours":27.890829939688143,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.890829939688143,"endHours":28.890829939688143,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.890829939688143,"endHours":29.890829939688143,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.890829939688143,"endHours":30.890829939688143,"planetary_lord":"Jupiter"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-8.115220298126399,"eotMinutes":-13.223058826027486,"ayanamsa":24.2324}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Aṣṭamī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"sitashtami","name":"Sītāṣṭamī","name_sanskrit":"सीताष्टमी","tradition":"Vaishnava","associated_deity":"Sītā Devī","significance":"Birth-anniversary of Sītā per Phālguna-Kṛṣṇa-Aṣṭamī tradition.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":3},{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 28, 2027 CE · Seattle, USA · Vidhyamitra","description":"February 28, 2027 CE for Seattle, USA: Kṛṣṇa Aṣṭamī, sūryodaya 06:53, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/2027-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/2027-02-28","sa":"https://sa.vidhyamitra.com/city/seattle/2027-02-28","hi":"https://hi.vidhyamitra.com/city/seattle/2027-02-28","x-default":"https://vidhyamitra.com/city/seattle/2027-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:07:54.720Z","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":"2026-05-14T17:07:54.720Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:07:54.720Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}