{"id":"vidhyamitra:city-day:seattle:1997-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/1997-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-01-13","date_display":"January 13, 1997 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":1997,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450461.770833,"kali_year":5098,"ahargana":1861996.2708,"sun":{"sidereal_longitude":268.9584,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":319.3667,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.4082,"elapsed_within_tithi_degrees":2.4082},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":319.3667,"elapsed_within_degrees":12.7},"yoga":{"number":18,"name":"Varīyān","sum_longitude":228.3251},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1997,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450461.770833,"ahargana":1861996.2708,"kali_year":5098,"ayanamsa_lahiri":23.8116,"grahas":{"sun":{"sidereal_longitude":269.078798,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":322.82679800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":1.7647},"mars":{"sidereal_longitude":158.90099799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":249.070698,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":274.224698,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":249.76639799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":338.232798,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":162.477,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":342.477,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1997,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450461.770833,"kali_year":5098,"ahargana":1861996.2708,"sun":{"sidereal_longitude":268.9584,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":319.3667,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.4082,"elapsed_within_tithi_degrees":2.4082},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":319.3667,"elapsed_within_degrees":12.7},"yoga":{"number":18,"name":"Varīyān","sum_longitude":228.3251},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.765,"elongation":50.408},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.765,"opposition_distance":129.592}},"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":"07:54","sunsetLocal":"16:42","solarNoonLocal":"12:18","dayLengthHours":8.787892389667057,"dayLengthDisplay":"8 Hours 47 Mins 16 Secs","nightLengthDisplay":"15 Hours 12 Mins 44 Secs","moonriseLocal":"10:13","moonsetLocal":"21:33","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:06","startHours":9.00394587873108,"endHours":10.102432427439464,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:12","end":"12:18","startHours":11.200918976147845,"endHours":12.299405524856226,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:24","end":"14:30","startHours":13.39789207356461,"endHours":14.496378622272992,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:57","end":"10:15","startHours":9.955967554278345,"endHours":10.24889730060058,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:16","end":"08:30","startHours":8.271621512925492,"endHours":8.50596530998328,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:36","startHours":12.006475778533991,"endHours":12.592335271178461,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:44","end":"07:19","startHours":6.733740344733757,"endHours":7.319599837378228,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"07:10","end":"07:54","startHours":7.173134964217111,"endHours":7.9054593300226985,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:21","startHours":13.764054256467404,"endHours":14.349913749111874,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:30","end":"16:54","startHours":16.493351719689755,"endHours":16.893351719689754,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:42","end":"17:04","startHours":16.693351719689755,"endHours":17.05951390259255,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:27","end":"18:12","startHours":16.443351719689755,"endHours":18.193351719689755,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:36","startHours":24.00647577853399,"endHours":24.592335271178463,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:54","end":"09:00","startHours":7.9054593300226985,"endHours":9.00394587873108,"quality":"auspicious"},{"name":"Kāla","start":"09:00","end":"10:06","startHours":9.00394587873108,"endHours":10.102432427439464,"quality":"inauspicious"},{"name":"Śubha","start":"10:06","end":"11:12","startHours":10.102432427439464,"endHours":11.200918976147845,"quality":"auspicious"},{"name":"Roga","start":"11:12","end":"12:18","startHours":11.200918976147845,"endHours":12.299405524856226,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:24","startHours":12.299405524856226,"endHours":13.39789207356461,"quality":"inauspicious"},{"name":"Chala","start":"13:24","end":"14:30","startHours":13.39789207356461,"endHours":14.496378622272992,"quality":"neutral"},{"name":"Labha","start":"14:30","end":"15:36","startHours":14.496378622272992,"endHours":15.594865170981373,"quality":"auspicious"},{"name":"Amṛta","start":"15:36","end":"16:42","startHours":15.594865170981373,"endHours":16.693351719689755,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"16:42","end":"18:36","startHours":16.693351719689755,"endHours":18.59486517098137,"quality":"neutral"},{"name":"Labha","start":"18:36","end":"20:30","startHours":18.59486517098137,"endHours":20.496378622272992,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"22:24","startHours":20.496378622272992,"endHours":22.39789207356461,"quality":"auspicious"},{"name":"Kāla","start":"22:24","end":"00:18","startHours":22.39789207356461,"endHours":24.299405524856226,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"02:12","startHours":24.299405524856226,"endHours":26.200918976147843,"quality":"auspicious"},{"name":"Roga","start":"02:12","end":"04:06","startHours":26.200918976147843,"endHours":28.10243242743946,"quality":"inauspicious"},{"name":"Udveg","start":"04:06","end":"06:00","startHours":28.10243242743946,"endHours":30.00394587873108,"quality":"inauspicious"},{"name":"Chala","start":"06:00","end":"07:54","startHours":30.00394587873108,"endHours":31.905459330022698,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:54","end":"08:54","startHours":7.9054593300226985,"endHours":8.905459330022698,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:54","end":"09:54","startHours":8.905459330022698,"endHours":9.905459330022698,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:54","end":"10:54","startHours":9.905459330022698,"endHours":10.905459330022698,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:54","end":"11:54","startHours":10.905459330022698,"endHours":11.905459330022698,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:54","end":"12:54","startHours":11.905459330022698,"endHours":12.905459330022698,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:54","end":"13:54","startHours":12.905459330022698,"endHours":13.905459330022698,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:54","end":"14:54","startHours":13.905459330022698,"endHours":14.905459330022698,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:54","end":"15:54","startHours":14.905459330022698,"endHours":15.905459330022698,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:54","end":"16:54","startHours":15.905459330022698,"endHours":16.905459330022698,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:54","end":"17:54","startHours":16.905459330022698,"endHours":17.905459330022698,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:54","end":"18:54","startHours":17.905459330022698,"endHours":18.905459330022698,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:54","end":"19:54","startHours":18.905459330022698,"endHours":19.905459330022698,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:54","end":"20:54","startHours":19.905459330022698,"endHours":20.905459330022698,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:54","end":"21:54","startHours":20.905459330022698,"endHours":21.905459330022698,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:54","end":"22:54","startHours":21.905459330022698,"endHours":22.905459330022698,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:54","end":"23:54","startHours":22.905459330022698,"endHours":23.905459330022698,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:54","end":"00:54","startHours":23.905459330022698,"endHours":24.905459330022698,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:54","end":"01:54","startHours":24.905459330022698,"endHours":25.905459330022698,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:54","end":"02:54","startHours":25.905459330022698,"endHours":26.905459330022698,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:54","end":"03:54","startHours":26.905459330022698,"endHours":27.905459330022698,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:54","end":"04:54","startHours":27.905459330022698,"endHours":28.905459330022698,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:54","end":"05:54","startHours":28.905459330022698,"endHours":29.905459330022698,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:54","end":"06:54","startHours":29.905459330022698,"endHours":30.905459330022698,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:54","end":"07:54","startHours":30.905459330022698,"endHours":31.905459330022698,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.49446052458877,"eotMinutes":-8.635931491373626,"ayanamsa":23.8116}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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 Śukla Pañcamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 13, 1997 CE · Seattle, USA · Vidhyamitra","description":"January 13, 1997 CE for Seattle, USA: Śukla Pañcamī, sūryodaya 07:54, sūryāsta 16:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/1997-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/1997-01-13","sa":"https://sa.vidhyamitra.com/city/seattle/1997-01-13","hi":"https://hi.vidhyamitra.com/city/seattle/1997-01-13","x-default":"https://vidhyamitra.com/city/seattle/1997-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:59:20.886Z","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":"2026-06-01T13:59:20.886Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:59:20.886Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}