{"id":"vidhyamitra:city-day:seattle:2001-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/2001-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-01-13","date_display":"January 13, 2001 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":2001,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451922.770833,"kali_year":5102,"ahargana":1863457.2708,"sun":{"sidereal_longitude":268.9225,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":130.939,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.0166,"elapsed_within_tithi_degrees":6.0166},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.939,"elapsed_within_degrees":10.939},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.8615},"karana":{"half_tithi_index":37,"name":"Bālava"},"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":2001,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451922.770833,"ahargana":1863457.2708,"kali_year":5102,"ayanamsa_lahiri":23.8674,"grahas":{"sun":{"sidereal_longitude":269.052277,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":133.99917700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":3.2285},"mars":{"sidereal_longitude":198.017377,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":280.3082770000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":37.548677,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":316.06297700000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":30.232477000000017,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":85.0662,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":265.0662,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2001,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451922.770833,"kali_year":5102,"ahargana":1863457.2708,"sun":{"sidereal_longitude":268.9225,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":130.939,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.0166,"elapsed_within_tithi_degrees":6.0166},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.939,"elapsed_within_degrees":10.939},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.8615},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.228,"elongation":137.983},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.228,"opposition_distance":42.017}},"eclipse_window_40days":[{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":0.182,"opposition_distance":1.705}]},"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":8.78878599388134,"dayLengthDisplay":"8 Hours 47 Mins 20 Secs","nightLengthDisplay":"15 Hours 12 Mins 40 Secs","moonriseLocal":"20:36","moonsetLocal":"10:00","rahuKala":{"name":"Rāhu Kāla","start":"10:06","end":"11:12","startHours":10.102209026385893,"endHours":11.20080727562106,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:24","end":"14:30","startHours":13.398003774091395,"endHours":14.496602023326563,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:54","end":"09:00","startHours":7.905012527915557,"endHours":9.003610777150724,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:57","end":"10:15","startHours":9.955729259821203,"endHours":10.248688792950581,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:16","end":"08:30","startHours":8.271211944327279,"endHours":8.50557957083078,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:36","startHours":12.006445991726848,"endHours":12.592365057985605,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:44","end":"07:19","startHours":6.733174395398045,"endHours":7.3190934616568,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"07:10","end":"07:54","startHours":7.172613695092112,"endHours":7.905012527915557,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:21","startHours":13.764203190503117,"endHours":14.350122256761873,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:30","end":"16:54","startHours":16.493798521796897,"endHours":16.893798521796896,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:42","end":"17:04","startHours":16.693798521796896,"endHours":17.059997938208618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:27","end":"18:12","startHours":16.443798521796896,"endHours":18.193798521796896,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:36","startHours":24.00644599172685,"endHours":24.592365057985603,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:54","end":"09:00","startHours":7.905012527915557,"endHours":9.003610777150724,"quality":"inauspicious"},{"name":"Śubha","start":"09:00","end":"10:06","startHours":9.003610777150724,"endHours":10.102209026385893,"quality":"auspicious"},{"name":"Roga","start":"10:06","end":"11:12","startHours":10.102209026385893,"endHours":11.20080727562106,"quality":"inauspicious"},{"name":"Udveg","start":"11:12","end":"12:18","startHours":11.20080727562106,"endHours":12.299405524856226,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:24","startHours":12.299405524856226,"endHours":13.398003774091395,"quality":"neutral"},{"name":"Labha","start":"13:24","end":"14:30","startHours":13.398003774091395,"endHours":14.496602023326563,"quality":"auspicious"},{"name":"Amṛta","start":"14:30","end":"15:36","startHours":14.496602023326563,"endHours":15.59520027256173,"quality":"auspicious"},{"name":"Kāla","start":"15:36","end":"16:42","startHours":15.59520027256173,"endHours":16.693798521796896,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"16:42","end":"18:36","startHours":16.693798521796896,"endHours":18.59520027256173,"quality":"auspicious"},{"name":"Amṛta","start":"18:36","end":"20:30","startHours":18.59520027256173,"endHours":20.49660202332656,"quality":"auspicious"},{"name":"Kāla","start":"20:30","end":"22:24","startHours":20.49660202332656,"endHours":22.398003774091393,"quality":"inauspicious"},{"name":"Śubha","start":"22:24","end":"00:18","startHours":22.398003774091393,"endHours":24.299405524856226,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"02:12","startHours":24.299405524856226,"endHours":26.20080727562106,"quality":"inauspicious"},{"name":"Udveg","start":"02:12","end":"04:06","startHours":26.20080727562106,"endHours":28.102209026385893,"quality":"inauspicious"},{"name":"Chala","start":"04:06","end":"06:00","startHours":28.102209026385893,"endHours":30.003610777150723,"quality":"neutral"},{"name":"Labha","start":"06:00","end":"07:54","startHours":30.003610777150723,"endHours":31.905012527915556,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:54","end":"08:54","startHours":7.905012527915557,"endHours":8.905012527915556,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:54","end":"09:54","startHours":8.905012527915556,"endHours":9.905012527915556,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:54","end":"10:54","startHours":9.905012527915556,"endHours":10.905012527915556,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:54","end":"11:54","startHours":10.905012527915556,"endHours":11.905012527915556,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:54","end":"12:54","startHours":11.905012527915556,"endHours":12.905012527915556,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:54","end":"13:54","startHours":12.905012527915556,"endHours":13.905012527915556,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:54","end":"14:54","startHours":13.905012527915556,"endHours":14.905012527915556,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:54","end":"15:54","startHours":14.905012527915556,"endHours":15.905012527915556,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:54","end":"16:54","startHours":15.905012527915556,"endHours":16.905012527915556,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:54","end":"17:54","startHours":16.905012527915556,"endHours":17.905012527915556,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:54","end":"18:54","startHours":17.905012527915556,"endHours":18.905012527915556,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:54","end":"19:54","startHours":18.905012527915556,"endHours":19.905012527915556,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:54","end":"20:54","startHours":19.905012527915556,"endHours":20.905012527915556,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:54","end":"21:54","startHours":20.905012527915556,"endHours":21.905012527915556,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:54","end":"22:54","startHours":21.905012527915556,"endHours":22.905012527915556,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:54","end":"23:54","startHours":22.905012527915556,"endHours":23.905012527915556,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:54","end":"00:54","startHours":23.905012527915556,"endHours":24.905012527915556,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:54","end":"01:54","startHours":24.905012527915556,"endHours":25.905012527915556,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:54","end":"02:54","startHours":25.905012527915556,"endHours":26.905012527915556,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:54","end":"03:54","startHours":26.905012527915556,"endHours":27.905012527915556,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:54","end":"04:54","startHours":27.905012527915556,"endHours":28.905012527915556,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:54","end":"05:54","startHours":28.905012527915556,"endHours":29.905012527915556,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:54","end":"06:54","startHours":29.905012527915556,"endHours":30.905012527915556,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:54","end":"07:54","startHours":30.905012527915556,"endHours":31.905012527915556,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":-21.489589459779342,"eotMinutes":-8.635931491373626,"ayanamsa":23.8674}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"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 January 13, 2001 CE · Seattle, USA · Vidhyamitra","description":"January 13, 2001 CE for Seattle, USA: Kṛṣṇa Caturthī, sūryodaya 07:54, sūryāsta 16:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/2001-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/2001-01-13","sa":"https://sa.vidhyamitra.com/city/seattle/2001-01-13","hi":"https://hi.vidhyamitra.com/city/seattle/2001-01-13","x-default":"https://vidhyamitra.com/city/seattle/2001-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:25:38.446Z","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":"2026-05-31T02:25:38.446Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:25:38.446Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}