{"id":"vidhyamitra:city-day:dwarka:2091-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2091-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-01-18","date_display":"January 18, 2091 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":2091,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484799.770833,"kali_year":5192,"ahargana":1896334.2708,"sun":{"sidereal_longitude":272.734,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":253.9427,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":341.2087,"elapsed_within_tithi_degrees":5.2087},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.9427,"elapsed_within_degrees":0.6093},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.6767},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2091,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484799.770833,"ahargana":1896334.2708,"kali_year":5192,"ayanamsa_lahiri":25.1249,"grahas":{"sun":{"sidereal_longitude":273.0428340000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":253.14763399999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":4.2045},"mars":{"sidereal_longitude":149.05523400000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.075234,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":251.20693400000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":227.64243399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":53.47493400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":143.0845,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":323.0845,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"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":2091,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484799.770833,"kali_year":5192,"ahargana":1896334.2708,"sun":{"sidereal_longitude":272.734,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":253.9427,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":341.2087,"elapsed_within_tithi_degrees":5.2087},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.9427,"elapsed_within_degrees":0.6093},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.6767},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.205,"elongation":18.791},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.205,"opposition_distance":161.209}},"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":"18:33","solarNoonLocal":"13:04","dayLengthHours":10.955360105224663,"dayLengthDisplay":"10 Hours 57 Mins 19 Secs","nightLengthDisplay":"13 Hours 02 Mins 41 Secs","moonriseLocal":"06:22","moonsetLocal":"17:07","rahuKala":{"name":"Rāhu Kāla","start":"14:27","end":"15:49","startHours":14.444000506181245,"endHours":15.81342051933433,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:36","end":"08:58","startHours":7.596900440415831,"endHours":8.966320453568914,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:42","startHours":10.335740466721997,"endHours":11.70516047987508,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:31","startHours":10.15315113163492,"endHours":10.518329801809074,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.053373778133524,"endHours":8.345516714272849,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:43","end":"13:26","startHours":12.709401822854007,"endHours":13.439759163202316,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:52","startHours":6.136185759719209,"endHours":6.86654310006752,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:36","startHours":6.683953764980442,"endHours":7.596900440415831,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:38","startHours":14.90047384389894,"endHours":15.630831184247251,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.352260545640494,"endHours":18.752260545640492,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:01","startHours":18.552260545640493,"endHours":19.008733883358186,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.302260545640493,"endHours":20.052260545640493,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:43","end":"01:26","startHours":24.709401822854005,"endHours":25.439759163202318,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:36","end":"08:58","startHours":7.596900440415831,"endHours":8.966320453568914,"quality":"auspicious"},{"name":"Roga","start":"08:58","end":"10:20","startHours":8.966320453568914,"endHours":10.335740466721997,"quality":"inauspicious"},{"name":"Udveg","start":"10:20","end":"11:42","startHours":10.335740466721997,"endHours":11.70516047987508,"quality":"inauspicious"},{"name":"Chala","start":"11:42","end":"13:04","startHours":11.70516047987508,"endHours":13.074580493028161,"quality":"neutral"},{"name":"Labha","start":"13:04","end":"14:27","startHours":13.074580493028161,"endHours":14.444000506181245,"quality":"auspicious"},{"name":"Amṛta","start":"14:27","end":"15:49","startHours":14.444000506181245,"endHours":15.81342051933433,"quality":"auspicious"},{"name":"Kāla","start":"15:49","end":"17:11","startHours":15.81342051933433,"endHours":17.18284053248741,"quality":"inauspicious"},{"name":"Śubha","start":"17:11","end":"18:33","startHours":17.18284053248741,"endHours":18.552260545640493,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:33","end":"20:11","startHours":18.552260545640493,"endHours":20.18284053248741,"quality":"auspicious"},{"name":"Kāla","start":"20:11","end":"21:49","startHours":20.18284053248741,"endHours":21.81342051933433,"quality":"inauspicious"},{"name":"Śubha","start":"21:49","end":"23:27","startHours":21.81342051933433,"endHours":23.444000506181244,"quality":"auspicious"},{"name":"Roga","start":"23:27","end":"01:04","startHours":23.444000506181244,"endHours":25.07458049302816,"quality":"inauspicious"},{"name":"Udveg","start":"01:04","end":"02:42","startHours":25.07458049302816,"endHours":26.70516047987508,"quality":"inauspicious"},{"name":"Chala","start":"02:42","end":"04:20","startHours":26.70516047987508,"endHours":28.335740466721994,"quality":"neutral"},{"name":"Labha","start":"04:20","end":"05:58","startHours":28.335740466721994,"endHours":29.966320453568912,"quality":"auspicious"},{"name":"Amṛta","start":"05:58","end":"07:36","startHours":29.966320453568912,"endHours":31.59690044041583,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.596900440415831,"endHours":8.59690044041583,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.59690044041583,"endHours":9.59690044041583,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.59690044041583,"endHours":10.59690044041583,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.59690044041583,"endHours":11.59690044041583,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.59690044041583,"endHours":12.59690044041583,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.59690044041583,"endHours":13.59690044041583,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.59690044041583,"endHours":14.59690044041583,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.59690044041583,"endHours":15.59690044041583,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.59690044041583,"endHours":16.59690044041583,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.59690044041583,"endHours":17.59690044041583,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.59690044041583,"endHours":18.59690044041583,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.59690044041583,"endHours":19.59690044041583,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.59690044041583,"endHours":20.59690044041583,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.59690044041583,"endHours":21.59690044041583,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.59690044041583,"endHours":22.59690044041583,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.59690044041583,"endHours":23.59690044041583,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.59690044041583,"endHours":24.59690044041583,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.59690044041583,"endHours":25.59690044041583,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.59690044041583,"endHours":26.59690044041583,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.59690044041583,"endHours":27.59690044041583,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.59690044041583,"endHours":28.59690044041583,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.59690044041583,"endHours":29.59690044041583,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.59690044041583,"endHours":30.59690044041583,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.59690044041583,"endHours":31.59690044041583,"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.525778826280614,"eotMinutes":-10.349229581689698,"ayanamsa":25.1249}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturdaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"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 18, 2091 CE · Dvārakā · Vidhyamitra","description":"January 18, 2091 CE for Dvārakā: Kṛṣṇa Caturdaśī, sūryodaya 07:36, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2091-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2091-01-18","sa":"https://sa.vidhyamitra.com/city/dwarka/2091-01-18","hi":"https://hi.vidhyamitra.com/city/dwarka/2091-01-18","x-default":"https://vidhyamitra.com/city/dwarka/2091-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T23:00:52.951Z","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":"2026-05-22T23:00:52.951Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T23:00:52.951Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}