{"id":"vidhyamitra:city-day:washington-dc:2012-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/washington-dc/2012-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-01-18","date_display":"January 18, 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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455944.770833,"kali_year":5113,"ahargana":1867479.2708,"sun":{"sidereal_longitude":273.1874,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":205.7426,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.5552,"elapsed_within_tithi_degrees":4.5552},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.7426,"elapsed_within_degrees":5.7426},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.93},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455944.770833,"ahargana":1867479.2708,"kali_year":5113,"ayanamsa_lahiri":24.0213,"grahas":{"sun":{"sidereal_longitude":273.30820700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":205.10510699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":-1.9864},"mars":{"sidereal_longitude":148.64290700000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.4418069999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":7.091206999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":310.42670699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":184.85330699999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":231.9613,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.9613,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455944.770833,"kali_year":5113,"ahargana":1867479.2708,"sun":{"sidereal_longitude":273.1874,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":205.7426,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.5552,"elapsed_within_tithi_degrees":4.5552},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.7426,"elapsed_within_degrees":5.7426},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.93},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.986,"elongation":67.445},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.986,"opposition_distance":112.555}},"eclipse_window_40days":[]},"city":{"slug":"washington-dc","name":"Washington DC, USA","lat":38.9072,"lon":-77.0369,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"washington-dc","name":"Washington DC, USA","lat":38.9072,"lon":-77.0369,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"sunriseLocal":"07:25","sunsetLocal":"17:12","solarNoonLocal":"12:18","dayLengthHours":9.79315660395556,"dayLengthDisplay":"9 Hours 47 Mins 35 Secs","nightLengthDisplay":"14 Hours 12 Mins 25 Secs","moonriseLocal":"02:41","moonsetLocal":"12:50","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:32","startHours":12.30828049302816,"endHours":13.532425068522604,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:38","end":"09:52","startHours":8.635846766544825,"endHours":9.859991342039269,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:18","startHours":11.084135917533715,"endHours":12.30828049302816,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:42","end":"10:01","startHours":9.696772065306677,"endHours":10.023210618771863,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:05","startHours":7.81975038288186,"endHours":8.080901225654008,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:38","startHours":11.981841939562974,"endHours":12.634719046493347,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:06","end":"06:46","startHours":6.105947977189638,"endHours":6.758825084120009,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:36","end":"07:25","startHours":6.5956058073874155,"endHours":7.411702191050379,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:36","startHours":13.940473260354086,"endHours":14.593350367284456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.00485879500594,"endHours":17.40485879500594,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:37","startHours":17.20485879500594,"endHours":17.612906986837423,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.95485879500594,"endHours":18.70485879500594,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:38","startHours":23.981841939562976,"endHours":24.634719046493345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:25","end":"08:38","startHours":7.411702191050379,"endHours":8.635846766544825,"quality":"auspicious"},{"name":"Amṛta","start":"08:38","end":"09:52","startHours":8.635846766544825,"endHours":9.859991342039269,"quality":"auspicious"},{"name":"Kāla","start":"09:52","end":"11:05","startHours":9.859991342039269,"endHours":11.084135917533715,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:18","startHours":11.084135917533715,"endHours":12.30828049302816,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:32","startHours":12.30828049302816,"endHours":13.532425068522604,"quality":"inauspicious"},{"name":"Udveg","start":"13:32","end":"14:45","startHours":13.532425068522604,"endHours":14.75656964401705,"quality":"inauspicious"},{"name":"Chala","start":"14:45","end":"15:59","startHours":14.75656964401705,"endHours":15.980714219511494,"quality":"neutral"},{"name":"Labha","start":"15:59","end":"17:12","startHours":15.980714219511494,"endHours":17.20485879500594,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:12","end":"18:59","startHours":17.20485879500594,"endHours":18.980714219511494,"quality":"inauspicious"},{"name":"Chala","start":"18:59","end":"20:45","startHours":18.980714219511494,"endHours":20.75656964401705,"quality":"neutral"},{"name":"Labha","start":"20:45","end":"22:32","startHours":20.75656964401705,"endHours":22.532425068522606,"quality":"auspicious"},{"name":"Amṛta","start":"22:32","end":"00:18","startHours":22.532425068522606,"endHours":24.30828049302816,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"02:05","startHours":24.30828049302816,"endHours":26.084135917533715,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:52","startHours":26.084135917533715,"endHours":27.85999134203927,"quality":"auspicious"},{"name":"Roga","start":"03:52","end":"05:38","startHours":27.85999134203927,"endHours":29.635846766544823,"quality":"inauspicious"},{"name":"Udveg","start":"05:38","end":"07:25","startHours":29.635846766544823,"endHours":31.41170219105038,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.411702191050379,"endHours":8.411702191050379,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.411702191050379,"endHours":9.411702191050379,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.411702191050379,"endHours":10.411702191050379,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.411702191050379,"endHours":11.411702191050379,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.411702191050379,"endHours":12.411702191050379,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.411702191050379,"endHours":13.411702191050379,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.411702191050379,"endHours":14.411702191050379,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.411702191050379,"endHours":15.411702191050379,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.411702191050379,"endHours":16.41170219105038,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.41170219105038,"endHours":17.41170219105038,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.41170219105038,"endHours":18.41170219105038,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.41170219105038,"endHours":19.41170219105038,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.41170219105038,"endHours":20.41170219105038,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.41170219105038,"endHours":21.41170219105038,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.41170219105038,"endHours":22.41170219105038,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.41170219105038,"endHours":23.41170219105038,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.41170219105038,"endHours":24.41170219105038,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.41170219105038,"endHours":25.41170219105038,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.41170219105038,"endHours":26.41170219105038,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.41170219105038,"endHours":27.41170219105038,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.41170219105038,"endHours":28.41170219105038,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.41170219105038,"endHours":29.41170219105038,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.41170219105038,"endHours":30.41170219105038,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.41170219105038,"endHours":31.41170219105038,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.691614100486987,"eotMinutes":-10.349229581689698,"ayanamsa":24.0213}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"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":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"washington-dc"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 18, 2012 CE · Washington DC, USA · Vidhyamitra","description":"January 18, 2012 CE for Washington DC, USA: Kṛṣṇa Daśamī, sūryodaya 07:25, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/washington-dc/2012-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/washington-dc/2012-01-18","sa":"https://sa.vidhyamitra.com/city/washington-dc/2012-01-18","hi":"https://hi.vidhyamitra.com/city/washington-dc/2012-01-18","x-default":"https://vidhyamitra.com/city/washington-dc/2012-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:25:38.345Z","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":"2026-06-03T07:25:38.345Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:25:38.345Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}