{"id":"vidhyamitra:city-day:washington-dc:2002-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/washington-dc/2002-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-01-31","date_display":"January 31, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2002,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452305.770833,"kali_year":5103,"ahargana":1863840.2708,"sun":{"sidereal_longitude":287.1075,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":133.7744,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.6669,"elapsed_within_tithi_degrees":2.6669},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":133.7744,"elapsed_within_degrees":0.4411},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.8819},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452305.770833,"ahargana":1863840.2708,"kali_year":5103,"ayanamsa_lahiri":23.8821,"grahas":{"sun":{"sidereal_longitude":287.102443,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":136.46774300000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":4.2006},"mars":{"sidereal_longitude":344.912843,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":279.731943,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":73.06184300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":291.047243,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":44.106243000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":64.773,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":244.773,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2002,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452305.770833,"kali_year":5103,"ahargana":1863840.2708,"sun":{"sidereal_longitude":287.1075,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":133.7744,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.6669,"elapsed_within_tithi_degrees":2.6669},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":133.7744,"elapsed_within_degrees":0.4411},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.8819},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.201,"elongation":153.333},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.201,"opposition_distance":26.667}},"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":"07:16","sunsetLocal":"17:27","solarNoonLocal":"12:22","dayLengthHours":10.19200638522377,"dayLengthDisplay":"10 Hours 11 Mins 31 Secs","nightLengthDisplay":"13 Hours 48 Mins 29 Secs","moonriseLocal":"19:51","moonsetLocal":"08:47","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"14:55","startHours":13.635287273850336,"endHours":14.909288072003307,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:16","end":"08:32","startHours":7.26528328308548,"endHours":8.539284081238451,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:49","end":"11:05","startHours":9.813284879391421,"endHours":11.087285677544394,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.64341810630436,"endHours":9.983151652478485,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:58","startHours":7.689950215803137,"endHours":7.961737052742437,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.02155292952324,"endHours":12.701020021871491,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:35","startHours":5.9063490983889775,"endHours":6.585816190737228,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:16","startHours":6.4159494176501655,"endHours":7.26528328308548,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:44","startHours":14.059954206567994,"endHours":14.739421298916245,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.25728966830925,"endHours":17.65728966830925,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.45728966830925,"endHours":17.881956601026907,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.20728966830925,"endHours":18.95728966830925,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.02155292952324,"endHours":24.701020021871493,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:16","end":"08:32","startHours":7.26528328308548,"endHours":8.539284081238451,"quality":"auspicious"},{"name":"Roga","start":"08:32","end":"09:49","startHours":8.539284081238451,"endHours":9.813284879391421,"quality":"inauspicious"},{"name":"Udveg","start":"09:49","end":"11:05","startHours":9.813284879391421,"endHours":11.087285677544394,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:22","startHours":11.087285677544394,"endHours":12.361286475697366,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:38","startHours":12.361286475697366,"endHours":13.635287273850336,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"14:55","startHours":13.635287273850336,"endHours":14.909288072003307,"quality":"auspicious"},{"name":"Kāla","start":"14:55","end":"16:11","startHours":14.909288072003307,"endHours":16.18328887015628,"quality":"inauspicious"},{"name":"Śubha","start":"16:11","end":"17:27","startHours":16.18328887015628,"endHours":17.45728966830925,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:27","end":"19:11","startHours":17.45728966830925,"endHours":19.18328887015628,"quality":"auspicious"},{"name":"Kāla","start":"19:11","end":"20:55","startHours":19.18328887015628,"endHours":20.909288072003307,"quality":"inauspicious"},{"name":"Śubha","start":"20:55","end":"22:38","startHours":20.909288072003307,"endHours":22.635287273850338,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:22","startHours":22.635287273850338,"endHours":24.361286475697366,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"02:05","startHours":24.361286475697366,"endHours":26.087285677544394,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:49","startHours":26.087285677544394,"endHours":27.813284879391425,"quality":"neutral"},{"name":"Labha","start":"03:49","end":"05:32","startHours":27.813284879391425,"endHours":29.539284081238453,"quality":"auspicious"},{"name":"Amṛta","start":"05:32","end":"07:16","startHours":29.539284081238453,"endHours":31.26528328308548,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.26528328308548,"endHours":8.26528328308548,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.26528328308548,"endHours":9.26528328308548,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.26528328308548,"endHours":10.26528328308548,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.26528328308548,"endHours":11.26528328308548,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.26528328308548,"endHours":12.26528328308548,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.26528328308548,"endHours":13.26528328308548,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.26528328308548,"endHours":14.26528328308548,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.26528328308548,"endHours":15.26528328308548,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.26528328308548,"endHours":16.26528328308548,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.26528328308548,"endHours":17.26528328308548,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.26528328308548,"endHours":18.26528328308548,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.26528328308548,"endHours":19.26528328308548,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.26528328308548,"endHours":20.26528328308548,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.26528328308548,"endHours":21.26528328308548,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.26528328308548,"endHours":22.26528328308548,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.26528328308548,"endHours":23.26528328308548,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.26528328308548,"endHours":24.26528328308548,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.26528328308548,"endHours":25.26528328308548,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.26528328308548,"endHours":26.26528328308548,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.26528328308548,"endHours":27.26528328308548,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.26528328308548,"endHours":28.26528328308548,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.26528328308548,"endHours":29.26528328308548,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.26528328308548,"endHours":30.26528328308548,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.26528328308548,"endHours":31.26528328308548,"planetary_lord":"Moon"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.472191760408723,"eotMinutes":-13.52958854184206,"ayanamsa":23.8821}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"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 Tṛtīyā · 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":[]},"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 31, 2002 CE · Washington DC, USA · Vidhyamitra","description":"January 31, 2002 CE for Washington DC, USA: Kṛṣṇa Tṛtīyā, sūryodaya 07:16, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/washington-dc/2002-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/washington-dc/2002-01-31","sa":"https://sa.vidhyamitra.com/city/washington-dc/2002-01-31","hi":"https://hi.vidhyamitra.com/city/washington-dc/2002-01-31","x-default":"https://vidhyamitra.com/city/washington-dc/2002-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-24T17:03:19.985Z","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":"2026-09-24T17:03:19.985Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-24T17:03:19.985Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}