{"id":"vidhyamitra:city-day:seattle:2027-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/2027-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-01-28","date_display":"January 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":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461433.770833,"kali_year":5128,"ahargana":1872968.2708,"sun":{"sidereal_longitude":283.5594,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":174.3041,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.7447,"elapsed_within_tithi_degrees":10.7447},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.3041,"elapsed_within_degrees":0.9707},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":97.8634},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2027,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461433.770833,"ahargana":1872968.2708,"kali_year":5128,"ayanamsa_lahiri":24.2312,"grahas":{"sun":{"sidereal_longitude":283.6367869999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":177.020987,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-3.6008},"mars":{"sidereal_longitude":133.771587,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":299.833487,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":119.395487,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":237.86348699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":345.777287,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":301.1277,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":121.1277,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"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":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461433.770833,"kali_year":5128,"ahargana":1872968.2708,"sun":{"sidereal_longitude":283.5594,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":174.3041,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.7447,"elapsed_within_tithi_degrees":10.7447},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.3041,"elapsed_within_degrees":0.9707},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":97.8634},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.601,"elongation":109.255},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.601,"opposition_distance":70.745}},"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":"07:42","sunsetLocal":"17:03","solarNoonLocal":"12:22","dayLengthHours":9.353523901445925,"dayLengthDisplay":"9 Hours 21 Mins 13 Secs","nightLengthDisplay":"14 Hours 38 Mins 47 Secs","moonriseLocal":"23:49","moonsetLocal":"10:43","rahuKala":{"name":"Rāhu Kāla","start":"13:32","end":"14:43","startHours":13.54090768826184,"endHours":14.71009817594258,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:42","end":"08:52","startHours":7.694955249858137,"endHours":8.864145737538877,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:02","end":"11:12","startHours":10.033336225219617,"endHours":11.202526712900358,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:11","startHours":9.87744416019552,"endHours":10.189228290243717,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:05","end":"08:20","startHours":8.084685412418384,"endHours":8.334112716456943,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:41","startHours":12.059933070532901,"endHours":12.683501330629296,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:27","end":"07:04","startHours":6.447818729665347,"endHours":7.071386989761742,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:55","end":"07:42","startHours":6.915494924737644,"endHours":7.694955249858137,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:33","startHours":13.930637850822087,"endHours":14.554206110918482,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:51","end":"17:15","startHours":16.848479151304062,"endHours":17.24847915130406,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:03","end":"17:26","startHours":17.04847915130406,"endHours":17.43820931386431,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:48","end":"18:33","startHours":16.79847915130406,"endHours":18.54847915130406,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:41","startHours":24.0599330705329,"endHours":24.683501330629298,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:42","end":"08:52","startHours":7.694955249858137,"endHours":8.864145737538877,"quality":"auspicious"},{"name":"Roga","start":"08:52","end":"10:02","startHours":8.864145737538877,"endHours":10.033336225219617,"quality":"inauspicious"},{"name":"Udveg","start":"10:02","end":"11:12","startHours":10.033336225219617,"endHours":11.202526712900358,"quality":"inauspicious"},{"name":"Chala","start":"11:12","end":"12:22","startHours":11.202526712900358,"endHours":12.371717200581099,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:32","startHours":12.371717200581099,"endHours":13.54090768826184,"quality":"auspicious"},{"name":"Amṛta","start":"13:32","end":"14:43","startHours":13.54090768826184,"endHours":14.71009817594258,"quality":"auspicious"},{"name":"Kāla","start":"14:43","end":"15:53","startHours":14.71009817594258,"endHours":15.87928866362332,"quality":"inauspicious"},{"name":"Śubha","start":"15:53","end":"17:03","startHours":15.87928866362332,"endHours":17.04847915130406,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:03","end":"18:53","startHours":17.04847915130406,"endHours":18.87928866362332,"quality":"auspicious"},{"name":"Kāla","start":"18:53","end":"20:43","startHours":18.87928866362332,"endHours":20.71009817594258,"quality":"inauspicious"},{"name":"Śubha","start":"20:43","end":"22:32","startHours":20.71009817594258,"endHours":22.54090768826184,"quality":"auspicious"},{"name":"Roga","start":"22:32","end":"00:22","startHours":22.54090768826184,"endHours":24.3717172005811,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"02:12","startHours":24.3717172005811,"endHours":26.202526712900358,"quality":"inauspicious"},{"name":"Chala","start":"02:12","end":"04:02","startHours":26.202526712900358,"endHours":28.033336225219617,"quality":"neutral"},{"name":"Labha","start":"04:02","end":"05:52","startHours":28.033336225219617,"endHours":29.864145737538877,"quality":"auspicious"},{"name":"Amṛta","start":"05:52","end":"07:42","startHours":29.864145737538877,"endHours":31.694955249858136,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:42","end":"08:42","startHours":7.694955249858137,"endHours":8.694955249858136,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:42","end":"09:42","startHours":8.694955249858136,"endHours":9.694955249858136,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:42","end":"10:42","startHours":9.694955249858136,"endHours":10.694955249858136,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:42","end":"11:42","startHours":10.694955249858136,"endHours":11.694955249858136,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:42","end":"12:42","startHours":11.694955249858136,"endHours":12.694955249858136,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:42","end":"13:42","startHours":12.694955249858136,"endHours":13.694955249858136,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:42","end":"14:42","startHours":13.694955249858136,"endHours":14.694955249858136,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:42","end":"15:42","startHours":14.694955249858136,"endHours":15.694955249858136,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:42","end":"16:42","startHours":15.694955249858136,"endHours":16.694955249858136,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:42","end":"17:42","startHours":16.694955249858136,"endHours":17.694955249858136,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:42","end":"18:42","startHours":17.694955249858136,"endHours":18.694955249858136,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:42","end":"19:42","startHours":18.694955249858136,"endHours":19.694955249858136,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:42","end":"20:42","startHours":19.694955249858136,"endHours":20.694955249858136,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:42","end":"21:42","startHours":20.694955249858136,"endHours":21.694955249858136,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:42","end":"22:42","startHours":21.694955249858136,"endHours":22.694955249858136,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:42","end":"23:42","startHours":22.694955249858136,"endHours":23.694955249858136,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:42","end":"00:42","startHours":23.694955249858136,"endHours":24.694955249858136,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:42","end":"01:42","startHours":24.694955249858136,"endHours":25.694955249858136,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:42","end":"02:42","startHours":25.694955249858136,"endHours":26.694955249858136,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:42","end":"03:42","startHours":26.694955249858136,"endHours":27.694955249858136,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:42","end":"04:42","startHours":27.694955249858136,"endHours":28.694955249858136,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:42","end":"05:42","startHours":28.694955249858136,"endHours":29.694955249858136,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:42","end":"06:42","startHours":29.694955249858136,"endHours":30.694955249858136,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:42","end":"07:42","startHours":30.694955249858136,"endHours":31.694955249858136,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-18.299297569476167,"eotMinutes":-12.974632034865841,"ayanamsa":24.2312}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ṣaṣṭhī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"seattle"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 28, 2027 CE · Seattle, USA · Vidhyamitra","description":"January 28, 2027 CE for Seattle, USA: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:42, sūryāsta 17:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/2027-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/2027-01-28","sa":"https://sa.vidhyamitra.com/city/seattle/2027-01-28","hi":"https://hi.vidhyamitra.com/city/seattle/2027-01-28","x-default":"https://vidhyamitra.com/city/seattle/2027-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:38:04.649Z","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":"2026-05-14T15:38:04.649Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:38:04.649Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}