{"id":"vidhyamitra:city-day:dwarka:2198-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2198-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2198-01-21","date_display":"January 21, 2198 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":2198,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2523883.770833,"kali_year":5299,"ahargana":1935418.2708,"sun":{"sidereal_longitude":274.0816,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":67.2313,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.1497,"elapsed_within_tithi_degrees":9.1497},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.2313,"elapsed_within_degrees":0.5646},"yoga":{"number":26,"name":"Indra","sum_longitude":341.3129},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2198,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2523883.770833,"ahargana":1935418.2708,"kali_year":5299,"ayanamsa_lahiri":26.6197,"grahas":{"sun":{"sidereal_longitude":274.6302370000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":68.53413699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-1.164},"mars":{"sidereal_longitude":73.616037,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":283.67343700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":255.93393700000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":225.04253700000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":280.64623700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":232.2261,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":52.2261,"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":2198,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2523883.770833,"kali_year":5299,"ahargana":1935418.2708,"sun":{"sidereal_longitude":274.0816,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":67.2313,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.1497,"elapsed_within_tithi_degrees":9.1497},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.2313,"elapsed_within_degrees":0.5646},"yoga":{"number":26,"name":"Indra","sum_longitude":341.3129},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.164,"elongation":153.15},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.164,"opposition_distance":26.85}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:36","sunsetLocal":"18:35","solarNoonLocal":"13:05","dayLengthHours":10.995255789657072,"dayLengthDisplay":"10 Hours 59 Mins 43 Secs","nightLengthDisplay":"13 Hours 00 Mins 17 Secs","moonriseLocal":"16:38","moonsetLocal":"06:04","rahuKala":{"name":"Rāhu Kāla","start":"17:13","end":"18:35","startHours":17.212909775273605,"endHours":18.58731674898074,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:05","end":"14:28","startHours":13.089688854152204,"endHours":14.464095827859339,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:50","end":"17:13","startHours":15.838502801566474,"endHours":17.212909775273605,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:31","startHours":10.157620643576985,"endHours":10.524129169898888,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.050196617226046,"endHours":8.343403438283568,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:43","end":"13:27","startHours":12.7231803278303,"endHours":13.456197380474107,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:52","startHours":6.126026854036059,"endHours":6.859043906679863,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:36","startHours":6.675789643518913,"endHours":7.5920609593236685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.922231485761717,"endHours":15.655248538405521,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.38731674898074,"endHours":18.78731674898074,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:03","startHours":18.58731674898074,"endHours":19.04545240688312,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.33731674898074,"endHours":20.08731674898074,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:43","end":"01:27","startHours":24.723180327830303,"endHours":25.456197380474105,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:36","end":"08:58","startHours":7.5920609593236685,"endHours":8.966467933030803,"quality":"inauspicious"},{"name":"Chala","start":"08:58","end":"10:20","startHours":8.966467933030803,"endHours":10.340874906737938,"quality":"neutral"},{"name":"Labha","start":"10:20","end":"11:43","startHours":10.340874906737938,"endHours":11.71528188044507,"quality":"auspicious"},{"name":"Amṛta","start":"11:43","end":"13:05","startHours":11.71528188044507,"endHours":13.089688854152204,"quality":"auspicious"},{"name":"Kāla","start":"13:05","end":"14:28","startHours":13.089688854152204,"endHours":14.464095827859339,"quality":"inauspicious"},{"name":"Śubha","start":"14:28","end":"15:50","startHours":14.464095827859339,"endHours":15.838502801566474,"quality":"auspicious"},{"name":"Roga","start":"15:50","end":"17:13","startHours":15.838502801566474,"endHours":17.212909775273605,"quality":"inauspicious"},{"name":"Udveg","start":"17:13","end":"18:35","startHours":17.212909775273605,"endHours":18.58731674898074,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:35","end":"20:13","startHours":18.58731674898074,"endHours":20.212909775273605,"quality":"auspicious"},{"name":"Roga","start":"20:13","end":"21:50","startHours":20.212909775273605,"endHours":21.83850280156647,"quality":"inauspicious"},{"name":"Udveg","start":"21:50","end":"23:28","startHours":21.83850280156647,"endHours":23.46409582785934,"quality":"inauspicious"},{"name":"Chala","start":"23:28","end":"01:05","startHours":23.46409582785934,"endHours":25.089688854152204,"quality":"neutral"},{"name":"Labha","start":"01:05","end":"02:43","startHours":25.089688854152204,"endHours":26.71528188044507,"quality":"auspicious"},{"name":"Amṛta","start":"02:43","end":"04:20","startHours":26.71528188044507,"endHours":28.340874906737938,"quality":"auspicious"},{"name":"Kāla","start":"04:20","end":"05:58","startHours":28.340874906737938,"endHours":29.966467933030803,"quality":"inauspicious"},{"name":"Śubha","start":"05:58","end":"07:36","startHours":29.966467933030803,"endHours":31.592060959323668,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.5920609593236685,"endHours":8.592060959323668,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.592060959323668,"endHours":9.592060959323668,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.592060959323668,"endHours":10.592060959323668,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.592060959323668,"endHours":11.592060959323668,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.592060959323668,"endHours":12.592060959323668,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.592060959323668,"endHours":13.592060959323668,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.592060959323668,"endHours":14.592060959323668,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.592060959323668,"endHours":15.592060959323668,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.592060959323668,"endHours":16.592060959323668,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.592060959323668,"endHours":17.592060959323668,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.592060959323668,"endHours":18.592060959323668,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.592060959323668,"endHours":19.592060959323668,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.592060959323668,"endHours":20.592060959323668,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.592060959323668,"endHours":21.592060959323668,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.592060959323668,"endHours":22.592060959323668,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.592060959323668,"endHours":23.592060959323668,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.592060959323668,"endHours":24.592060959323668,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.592060959323668,"endHours":25.592060959323668,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.592060959323668,"endHours":26.592060959323668,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.592060959323668,"endHours":27.592060959323668,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.592060959323668,"endHours":28.592060959323668,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.592060959323668,"endHours":29.592060959323668,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.592060959323668,"endHours":30.592060959323668,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.592060959323668,"endHours":31.592060959323668,"planetary_lord":"Jupiter"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.87848429213641,"eotMinutes":-11.255731249132124,"ayanamsa":26.6197}},"calendars":{"vikram_samvat":2255,"vikram_samvatsara":"Virodhakṛt","saka_samvat":2120,"saka_samvatsara":"Vilambī","bengali_samvat":1605,"malayalam_era":1374,"nanakshahi_year":729,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2255 Virodhakṛt · Śaka 2120 Vilambī"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 21, 2198 CE · Dvārakā · Vidhyamitra","description":"January 21, 2198 CE for Dvārakā: Śukla Trayodaśī, sūryodaya 07:36, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2198-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2198-01-21","sa":"https://sa.vidhyamitra.com/city/dwarka/2198-01-21","hi":"https://hi.vidhyamitra.com/city/dwarka/2198-01-21","x-default":"https://vidhyamitra.com/city/dwarka/2198-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:05:15.877Z","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":"2026-06-03T04:05:15.877Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:05:15.877Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}