{"id":"vidhyamitra:city-day:seattle:2012-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/2012-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-13","date_display":"April 13, 2012 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":2012,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456030.770833,"kali_year":5113,"ahargana":1867565.2708,"sun":{"sidereal_longitude":359.6015,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":261.2672,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6657,"elapsed_within_tithi_degrees":9.6657},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.2672,"elapsed_within_degrees":7.9338},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.8686},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2012,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456030.770833,"ahargana":1867565.2708,"kali_year":5113,"ayanamsa_lahiri":24.0246,"grahas":{"sun":{"sidereal_longitude":359.494121,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":264.34202099999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":2.5056},"mars":{"sidereal_longitude":129.46032100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":332.76222099999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":21.786921000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":44.109920999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":182.12272099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.4046,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.4046,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456030.770833,"kali_year":5113,"ahargana":1867565.2708,"sun":{"sidereal_longitude":359.6015,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":261.2672,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6657,"elapsed_within_tithi_degrees":9.6657},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.2672,"elapsed_within_degrees":7.9338},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.8686},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.506,"elongation":98.334},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.506,"opposition_distance":81.666}},"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":"05:24","sunsetLocal":"18:56","solarNoonLocal":"12:10","dayLengthHours":13.522078048215256,"dayLengthDisplay":"13 Hours 31 Mins 19 Secs","nightLengthDisplay":"10 Hours 28 Mins 41 Secs","moonriseLocal":"01:31","moonsetLocal":"10:08","rahuKala":{"name":"Rāhu Kāla","start":"10:29","end":"12:10","startHours":10.478043757801498,"endHours":12.168303513828405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:33","end":"17:14","startHours":15.54882302588222,"endHours":17.239082781909126,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:06","end":"08:47","startHours":7.097524245747684,"endHours":8.787784001774591,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:01","startHours":8.562416034304338,"endHours":9.013151969244845,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.970684408396413,"endHours":6.33127315634882,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:37","startHours":11.717567578887897,"endHours":12.619039448768914,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:30","startHours":3.604320749958743,"endHours":4.50579261983976,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:24","startHours":4.280424652369506,"endHours":5.407264489720777,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:19","startHours":14.421983188530948,"endHours":15.323455058411966,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.729342537936034,"endHours":19.129342537936033,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.929342537936034,"endHours":19.49276245661167,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.679342537936034,"endHours":20.429342537936034,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:37","startHours":23.7175675788879,"endHours":24.619039448768913,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:24","end":"07:06","startHours":5.407264489720777,"endHours":7.097524245747684,"quality":"neutral"},{"name":"Labha","start":"07:06","end":"08:47","startHours":7.097524245747684,"endHours":8.787784001774591,"quality":"auspicious"},{"name":"Amṛta","start":"08:47","end":"10:29","startHours":8.787784001774591,"endHours":10.478043757801498,"quality":"auspicious"},{"name":"Kāla","start":"10:29","end":"12:10","startHours":10.478043757801498,"endHours":12.168303513828405,"quality":"inauspicious"},{"name":"Śubha","start":"12:10","end":"13:52","startHours":12.168303513828405,"endHours":13.858563269855313,"quality":"auspicious"},{"name":"Roga","start":"13:52","end":"15:33","startHours":13.858563269855313,"endHours":15.54882302588222,"quality":"inauspicious"},{"name":"Udveg","start":"15:33","end":"17:14","startHours":15.54882302588222,"endHours":17.239082781909126,"quality":"inauspicious"},{"name":"Chala","start":"17:14","end":"18:56","startHours":17.239082781909126,"endHours":18.929342537936034,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:56","end":"20:14","startHours":18.929342537936034,"endHours":20.239082781909126,"quality":"inauspicious"},{"name":"Udveg","start":"20:14","end":"21:33","startHours":20.239082781909126,"endHours":21.54882302588222,"quality":"inauspicious"},{"name":"Chala","start":"21:33","end":"22:52","startHours":21.54882302588222,"endHours":22.858563269855313,"quality":"neutral"},{"name":"Labha","start":"22:52","end":"00:10","startHours":22.858563269855313,"endHours":24.168303513828405,"quality":"auspicious"},{"name":"Amṛta","start":"00:10","end":"01:29","startHours":24.168303513828405,"endHours":25.478043757801498,"quality":"auspicious"},{"name":"Kāla","start":"01:29","end":"02:47","startHours":25.478043757801498,"endHours":26.78778400177459,"quality":"inauspicious"},{"name":"Śubha","start":"02:47","end":"04:06","startHours":26.78778400177459,"endHours":28.097524245747685,"quality":"auspicious"},{"name":"Roga","start":"04:06","end":"05:24","startHours":28.097524245747685,"endHours":29.407264489720777,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.407264489720777,"endHours":6.407264489720777,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.407264489720777,"endHours":7.407264489720777,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.407264489720777,"endHours":8.407264489720777,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.407264489720777,"endHours":9.407264489720777,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.407264489720777,"endHours":10.407264489720777,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.407264489720777,"endHours":11.407264489720777,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.407264489720777,"endHours":12.407264489720777,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.407264489720777,"endHours":13.407264489720777,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.407264489720777,"endHours":14.407264489720777,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.407264489720777,"endHours":15.407264489720777,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.407264489720777,"endHours":16.407264489720777,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.407264489720777,"endHours":17.407264489720777,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.407264489720777,"endHours":18.407264489720777,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.407264489720777,"endHours":19.407264489720777,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.407264489720777,"endHours":20.407264489720777,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.407264489720777,"endHours":21.407264489720777,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.407264489720777,"endHours":22.407264489720777,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.407264489720777,"endHours":23.407264489720777,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.407264489720777,"endHours":24.407264489720777,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.407264489720777,"endHours":25.407264489720777,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.407264489720777,"endHours":26.407264489720777,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.407264489720777,"endHours":27.407264489720777,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.407264489720777,"endHours":28.407264489720777,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.407264489720777,"endHours":29.407264489720777,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.132295925257631,"eotMinutes":-0.7698108297043191,"ayanamsa":24.0246}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Saptamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 April 13, 2012 CE · Seattle, USA · Vidhyamitra","description":"April 13, 2012 CE for Seattle, USA: Kṛṣṇa Saptamī, sūryodaya 05:24, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/2012-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/2012-04-13","sa":"https://sa.vidhyamitra.com/city/seattle/2012-04-13","hi":"https://hi.vidhyamitra.com/city/seattle/2012-04-13","x-default":"https://vidhyamitra.com/city/seattle/2012-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:28:23.476Z","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":"2026-05-15T20:28:23.476Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:28:23.476Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}