{"id":"vidhyamitra:city-day:washington-dc:2002-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/washington-dc/2002-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-07-18","date_display":"July 18, 2002 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":2002,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452473.770833,"kali_year":5104,"ahargana":1864008.2708,"sun":{"sidereal_longitude":90.9294,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":191.075,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.1456,"elapsed_within_tithi_degrees":4.1456},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.075,"elapsed_within_degrees":4.4083},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.0043},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2002,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452473.770833,"ahargana":1864008.2708,"kali_year":5104,"ayanamsa_lahiri":23.8885,"grahas":{"sun":{"sidereal_longitude":91.38352400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":192.48452399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":3.169},"mars":{"sidereal_longitude":98.928924,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":87.75662399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":92.74832400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"venus":{"sidereal_longitude":134.09612399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":59.353924000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":55.8716,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.8716,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2002,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452473.770833,"kali_year":5104,"ahargana":1864008.2708,"sun":{"sidereal_longitude":90.9294,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":191.075,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.1456,"elapsed_within_tithi_degrees":4.1456},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.075,"elapsed_within_degrees":4.4083},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.0043},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.169,"elongation":100.146},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.169,"opposition_distance":79.854}},"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":"04:57","sunsetLocal":"19:31","solarNoonLocal":"12:14","dayLengthHours":14.578315327565939,"dayLengthDisplay":"14 Hours 34 Mins 42 Secs","nightLengthDisplay":"9 Hours 25 Mins 18 Secs","moonriseLocal":"13:40","moonsetLocal":"00:16","rahuKala":{"name":"Rāhu Kāla","start":"14:03","end":"15:53","startHours":14.05568135128756,"endHours":15.877970767233304,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"04:57","end":"06:46","startHours":4.944234271558849,"endHours":6.766523687504591,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:35","end":"10:25","startHours":8.588813103450335,"endHours":10.411102519396076,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:50","startHours":8.345841181324236,"endHours":8.831785025576433,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:33","end":"05:56","startHours":5.551664076874096,"endHours":5.9404191522758545,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:43","startHours":11.74744809108962,"endHours":12.719335779594015,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:00","end":"03:58","startHours":3.000458894550057,"endHours":3.972346583054453,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:44","end":"04:57","startHours":3.7293746609283542,"endHours":4.944234271558849,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:38","startHours":14.663111156602806,"endHours":15.634998845107202,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:19","end":"19:43","startHours":19.322549599124788,"endHours":19.722549599124786,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:31","end":"20:08","startHours":19.522549599124787,"endHours":20.129979404440036,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:16","end":"21:01","startHours":19.272549599124787,"endHours":21.022549599124787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:43","startHours":23.74744809108962,"endHours":24.719335779594015,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"04:57","end":"06:46","startHours":4.944234271558849,"endHours":6.766523687504591,"quality":"auspicious"},{"name":"Roga","start":"06:46","end":"08:35","startHours":6.766523687504591,"endHours":8.588813103450335,"quality":"inauspicious"},{"name":"Udveg","start":"08:35","end":"10:25","startHours":8.588813103450335,"endHours":10.411102519396076,"quality":"inauspicious"},{"name":"Chala","start":"10:25","end":"12:14","startHours":10.411102519396076,"endHours":12.233391935341817,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"14:03","startHours":12.233391935341817,"endHours":14.05568135128756,"quality":"auspicious"},{"name":"Amṛta","start":"14:03","end":"15:53","startHours":14.05568135128756,"endHours":15.877970767233304,"quality":"auspicious"},{"name":"Kāla","start":"15:53","end":"17:42","startHours":15.877970767233304,"endHours":17.700260183179044,"quality":"inauspicious"},{"name":"Śubha","start":"17:42","end":"19:31","startHours":17.700260183179044,"endHours":19.522549599124787,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:31","end":"20:42","startHours":19.522549599124787,"endHours":20.700260183179044,"quality":"auspicious"},{"name":"Kāla","start":"20:42","end":"21:53","startHours":20.700260183179044,"endHours":21.8779707672333,"quality":"inauspicious"},{"name":"Śubha","start":"21:53","end":"23:03","startHours":21.8779707672333,"endHours":23.05568135128756,"quality":"auspicious"},{"name":"Roga","start":"23:03","end":"00:14","startHours":23.05568135128756,"endHours":24.233391935341817,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:25","startHours":24.233391935341817,"endHours":25.411102519396074,"quality":"inauspicious"},{"name":"Chala","start":"01:25","end":"02:35","startHours":25.411102519396074,"endHours":26.588813103450335,"quality":"neutral"},{"name":"Labha","start":"02:35","end":"03:46","startHours":26.588813103450335,"endHours":27.76652368750459,"quality":"auspicious"},{"name":"Amṛta","start":"03:46","end":"04:57","startHours":27.76652368750459,"endHours":28.944234271558848,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:57","end":"05:57","startHours":4.944234271558849,"endHours":5.944234271558849,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"05:57","end":"06:57","startHours":5.944234271558849,"endHours":6.944234271558849,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"06:57","end":"07:57","startHours":6.944234271558849,"endHours":7.944234271558849,"planetary_lord":"Moon"},{"name":"Hora 4","start":"07:57","end":"08:57","startHours":7.944234271558849,"endHours":8.944234271558848,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"08:57","end":"09:57","startHours":8.944234271558848,"endHours":9.944234271558848,"planetary_lord":"Venus"},{"name":"Hora 6","start":"09:57","end":"10:57","startHours":9.944234271558848,"endHours":10.944234271558848,"planetary_lord":"Sun"},{"name":"Hora 7","start":"10:57","end":"11:57","startHours":10.944234271558848,"endHours":11.944234271558848,"planetary_lord":"Mars"},{"name":"Hora 8","start":"11:57","end":"12:57","startHours":11.944234271558848,"endHours":12.944234271558848,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"12:57","end":"13:57","startHours":12.944234271558848,"endHours":13.944234271558848,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"13:57","end":"14:57","startHours":13.944234271558848,"endHours":14.944234271558848,"planetary_lord":"Moon"},{"name":"Hora 11","start":"14:57","end":"15:57","startHours":14.944234271558848,"endHours":15.944234271558848,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"15:57","end":"16:57","startHours":15.944234271558848,"endHours":16.944234271558848,"planetary_lord":"Venus"},{"name":"Hora 13","start":"16:57","end":"17:57","startHours":16.944234271558848,"endHours":17.944234271558848,"planetary_lord":"Sun"},{"name":"Hora 14","start":"17:57","end":"18:57","startHours":17.944234271558848,"endHours":18.944234271558848,"planetary_lord":"Mars"},{"name":"Hora 15","start":"18:57","end":"19:57","startHours":18.944234271558848,"endHours":19.944234271558848,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"19:57","end":"20:57","startHours":19.944234271558848,"endHours":20.944234271558848,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"20:57","end":"21:57","startHours":20.944234271558848,"endHours":21.944234271558848,"planetary_lord":"Moon"},{"name":"Hora 18","start":"21:57","end":"22:57","startHours":21.944234271558848,"endHours":22.944234271558848,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"22:57","end":"23:57","startHours":22.944234271558848,"endHours":23.944234271558848,"planetary_lord":"Venus"},{"name":"Hora 20","start":"23:57","end":"00:57","startHours":23.944234271558848,"endHours":24.944234271558848,"planetary_lord":"Sun"},{"name":"Hora 21","start":"00:57","end":"01:57","startHours":24.944234271558848,"endHours":25.944234271558848,"planetary_lord":"Mars"},{"name":"Hora 22","start":"01:57","end":"02:57","startHours":25.944234271558848,"endHours":26.944234271558848,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"02:57","end":"03:57","startHours":26.944234271558848,"endHours":27.944234271558848,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"03:57","end":"04:57","startHours":27.944234271558848,"endHours":28.944234271558848,"planetary_lord":"Moon"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.07968097315798,"eotMinutes":-5.85591612050904,"ayanamsa":23.8885}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Navamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 July 18, 2002 CE · Washington DC, USA · Vidhyamitra","description":"July 18, 2002 CE for Washington DC, USA: Śukla Navamī, sūryodaya 04:57, sūryāsta 19:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/washington-dc/2002-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/washington-dc/2002-07-18","sa":"https://sa.vidhyamitra.com/city/washington-dc/2002-07-18","hi":"https://hi.vidhyamitra.com/city/washington-dc/2002-07-18","x-default":"https://vidhyamitra.com/city/washington-dc/2002-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:23:13.817Z","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":"2026-06-03T02:23:13.817Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:23:13.817Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}