{"id":"vidhyamitra:city-day:washington-dc:2001-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/washington-dc/2001-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-05-01","date_display":"May 1, 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":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452030.770833,"kali_year":5103,"ahargana":1863565.2708,"sun":{"sidereal_longitude":16.9318,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":112.0165,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.0847,"elapsed_within_tithi_degrees":11.0847},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.0165,"elapsed_within_degrees":5.3498},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.9483},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452030.770833,"ahargana":1863565.2708,"kali_year":5103,"ayanamsa_lahiri":23.8716,"grahas":{"sun":{"sidereal_longitude":16.874649999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":111.18615,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":2.4275},"mars":{"sidereal_longitude":244.44775000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":25.65274999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":49.57864999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":339.72795,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":37.30775,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":79.3438,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.3438,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452030.770833,"kali_year":5103,"ahargana":1863565.2708,"sun":{"sidereal_longitude":16.9318,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":112.0165,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.0847,"elapsed_within_tithi_degrees":11.0847},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.0165,"elapsed_within_degrees":5.3498},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.9483},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.428,"elongation":95.085},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.428,"opposition_distance":84.915}},"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":"05:11","sunsetLocal":"19:00","solarNoonLocal":"12:05","dayLengthHours":13.822532732338537,"dayLengthDisplay":"13 Hours 49 Mins 21 Secs","nightLengthDisplay":"10 Hours 10 Mins 39 Secs","moonriseLocal":"11:25","moonsetLocal":"01:20","rahuKala":{"name":"Rāhu Kāla","start":"15:33","end":"17:16","startHours":15.542793060935185,"endHours":17.270609652477503,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:38","end":"10:22","startHours":8.631526694765917,"endHours":10.359343286308235,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:05","end":"13:49","startHours":12.087159877850553,"endHours":13.814976469392871,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:52","startHours":8.401151149226942,"endHours":8.861902240304893,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.751832375528722,"endHours":6.120433248391083,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:33","startHours":11.626408786772602,"endHours":12.547910968928504,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:20","end":"04:15","startHours":3.332889147369478,"endHours":4.254391329525381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:01","end":"05:11","startHours":4.024015783986405,"endHours":5.175893511681283,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:19","startHours":14.390915333240308,"endHours":15.312417515396211,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.798426244019822,"endHours":19.19842624401982,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":18.99842624401982,"endHours":19.574365107867262,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.74842624401982,"endHours":20.49842624401982,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:33","startHours":23.6264087867726,"endHours":24.547910968928505,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:11","end":"06:54","startHours":5.175893511681283,"endHours":6.903710103223601,"quality":"inauspicious"},{"name":"Udveg","start":"06:54","end":"08:38","startHours":6.903710103223601,"endHours":8.631526694765917,"quality":"inauspicious"},{"name":"Chala","start":"08:38","end":"10:22","startHours":8.631526694765917,"endHours":10.359343286308235,"quality":"neutral"},{"name":"Labha","start":"10:22","end":"12:05","startHours":10.359343286308235,"endHours":12.087159877850553,"quality":"auspicious"},{"name":"Amṛta","start":"12:05","end":"13:49","startHours":12.087159877850553,"endHours":13.814976469392871,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:33","startHours":13.814976469392871,"endHours":15.542793060935185,"quality":"inauspicious"},{"name":"Śubha","start":"15:33","end":"17:16","startHours":15.542793060935185,"endHours":17.270609652477503,"quality":"auspicious"},{"name":"Roga","start":"17:16","end":"19:00","startHours":17.270609652477503,"endHours":18.99842624401982,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:00","end":"20:16","startHours":18.99842624401982,"endHours":20.270609652477503,"quality":"inauspicious"},{"name":"Śubha","start":"20:16","end":"21:33","startHours":20.270609652477503,"endHours":21.54279306093519,"quality":"auspicious"},{"name":"Roga","start":"21:33","end":"22:49","startHours":21.54279306093519,"endHours":22.81497646939287,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:05","startHours":22.81497646939287,"endHours":24.087159877850553,"quality":"inauspicious"},{"name":"Chala","start":"00:05","end":"01:22","startHours":24.087159877850553,"endHours":25.359343286308235,"quality":"neutral"},{"name":"Labha","start":"01:22","end":"02:38","startHours":25.359343286308235,"endHours":26.631526694765917,"quality":"auspicious"},{"name":"Amṛta","start":"02:38","end":"03:54","startHours":26.631526694765917,"endHours":27.903710103223602,"quality":"auspicious"},{"name":"Kāla","start":"03:54","end":"05:11","startHours":27.903710103223602,"endHours":29.175893511681284,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.175893511681283,"endHours":6.175893511681283,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.175893511681283,"endHours":7.175893511681283,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.175893511681283,"endHours":8.175893511681284,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.175893511681284,"endHours":9.175893511681284,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.175893511681284,"endHours":10.175893511681284,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.175893511681284,"endHours":11.175893511681284,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.175893511681284,"endHours":12.175893511681284,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.175893511681284,"endHours":13.175893511681284,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.175893511681284,"endHours":14.175893511681284,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.175893511681284,"endHours":15.175893511681284,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.175893511681284,"endHours":16.175893511681284,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.175893511681284,"endHours":17.175893511681284,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.175893511681284,"endHours":18.175893511681284,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.175893511681284,"endHours":19.175893511681284,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.175893511681284,"endHours":20.175893511681284,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.175893511681284,"endHours":21.175893511681284,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.175893511681284,"endHours":22.175893511681284,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.175893511681284,"endHours":23.175893511681284,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.175893511681284,"endHours":24.175893511681284,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.175893511681284,"endHours":25.175893511681284,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.175893511681284,"endHours":26.175893511681284,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.175893511681284,"endHours":27.175893511681284,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.175893511681284,"endHours":28.175893511681284,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.175893511681284,"endHours":29.175893511681284,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.046567501874614,"eotMinutes":2.918007328966811,"ayanamsa":23.8716}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Aṣṭamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 May 1, 2001 CE · Washington DC, USA · Vidhyamitra","description":"May 1, 2001 CE for Washington DC, USA: Śukla Aṣṭamī, sūryodaya 05:11, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/washington-dc/2001-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/washington-dc/2001-05-01","sa":"https://sa.vidhyamitra.com/city/washington-dc/2001-05-01","hi":"https://hi.vidhyamitra.com/city/washington-dc/2001-05-01","x-default":"https://vidhyamitra.com/city/washington-dc/2001-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:33:20.505Z","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":"2026-06-02T15:33:20.505Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:33:20.505Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}