{"id":"vidhyamitra:city-day:dwarka:1691-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1691-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1691-01-18","date_display":"January 18, 1691 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":1691,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338702.770833,"kali_year":4792,"ahargana":1750237.2708,"sun":{"sidereal_longitude":279.4036,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":146.5208,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.1173,"elapsed_within_tithi_degrees":11.1173},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.5208,"elapsed_within_degrees":13.1875},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.9244},"karana":{"half_tithi_index":37,"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":1691,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338702.770833,"ahargana":1750237.2708,"kali_year":4792,"ayanamsa_lahiri":19.5372,"grahas":{"sun":{"sidereal_longitude":278.7316129999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":148.316513,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-0.1972},"mars":{"sidereal_longitude":252.072313,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":288.19711299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":348.747613,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":305.698813,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":222.798813,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":324.0067,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":144.0067,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1691,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338702.770833,"kali_year":4792,"ahargana":1750237.2708,"sun":{"sidereal_longitude":279.4036,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":146.5208,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.1173,"elapsed_within_tithi_degrees":11.1173},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.5208,"elapsed_within_degrees":13.1875},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.9244},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.197,"elongation":132.883},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.197,"opposition_distance":47.117}},"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":10.956616305453842,"dayLengthDisplay":"10 Hours 57 Mins 24 Secs","nightLengthDisplay":"13 Hours 02 Mins 36 Secs","moonriseLocal":"22:12","moonsetLocal":"10:33","rahuKala":{"name":"Rāhu Kāla","start":"14:27","end":"15:49","startHours":14.444157531209893,"endHours":15.813734569391622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:36","end":"08:58","startHours":7.59627234030124,"endHours":8.965849378482972,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:42","startHours":10.335426416664701,"endHours":11.70500345484643,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:31","startHours":10.152816144907137,"endHours":10.518036688422265,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.05279801969515,"endHours":8.344974454507252,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:43","end":"13:26","startHours":12.709359949513033,"endHours":13.43980103654329,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:52","startHours":6.135390166240728,"endHours":6.865831253270985,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:36","startHours":6.68322098151342,"endHours":7.59627234030124,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:38","startHours":14.900683210603802,"endHours":15.631124297634058,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.352888645755083,"endHours":18.752888645755082,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:01","startHours":18.552888645755083,"endHours":19.00941432514899,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.302888645755083,"endHours":20.052888645755083,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:43","end":"01:26","startHours":24.709359949513033,"endHours":25.43980103654329,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:36","end":"08:58","startHours":7.59627234030124,"endHours":8.965849378482972,"quality":"auspicious"},{"name":"Roga","start":"08:58","end":"10:20","startHours":8.965849378482972,"endHours":10.335426416664701,"quality":"inauspicious"},{"name":"Udveg","start":"10:20","end":"11:42","startHours":10.335426416664701,"endHours":11.70500345484643,"quality":"inauspicious"},{"name":"Chala","start":"11:42","end":"13:04","startHours":11.70500345484643,"endHours":13.074580493028161,"quality":"neutral"},{"name":"Labha","start":"13:04","end":"14:27","startHours":13.074580493028161,"endHours":14.444157531209893,"quality":"auspicious"},{"name":"Amṛta","start":"14:27","end":"15:49","startHours":14.444157531209893,"endHours":15.813734569391622,"quality":"auspicious"},{"name":"Kāla","start":"15:49","end":"17:11","startHours":15.813734569391622,"endHours":17.18331160757335,"quality":"inauspicious"},{"name":"Śubha","start":"17:11","end":"18:33","startHours":17.18331160757335,"endHours":18.552888645755083,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:33","end":"20:11","startHours":18.552888645755083,"endHours":20.18331160757335,"quality":"auspicious"},{"name":"Kāla","start":"20:11","end":"21:49","startHours":20.18331160757335,"endHours":21.81373456939162,"quality":"inauspicious"},{"name":"Śubha","start":"21:49","end":"23:27","startHours":21.81373456939162,"endHours":23.444157531209893,"quality":"auspicious"},{"name":"Roga","start":"23:27","end":"01:04","startHours":23.444157531209893,"endHours":25.07458049302816,"quality":"inauspicious"},{"name":"Udveg","start":"01:04","end":"02:42","startHours":25.07458049302816,"endHours":26.70500345484643,"quality":"inauspicious"},{"name":"Chala","start":"02:42","end":"04:20","startHours":26.70500345484643,"endHours":28.335426416664703,"quality":"neutral"},{"name":"Labha","start":"04:20","end":"05:58","startHours":28.335426416664703,"endHours":29.96584937848297,"quality":"auspicious"},{"name":"Amṛta","start":"05:58","end":"07:36","startHours":29.96584937848297,"endHours":31.59627234030124,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.59627234030124,"endHours":8.59627234030124,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.59627234030124,"endHours":9.59627234030124,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.59627234030124,"endHours":10.59627234030124,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.59627234030124,"endHours":11.59627234030124,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.59627234030124,"endHours":12.59627234030124,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.59627234030124,"endHours":13.59627234030124,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.59627234030124,"endHours":14.59627234030124,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.59627234030124,"endHours":15.59627234030124,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.59627234030124,"endHours":16.59627234030124,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.59627234030124,"endHours":17.59627234030124,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.59627234030124,"endHours":18.59627234030124,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.59627234030124,"endHours":19.59627234030124,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.59627234030124,"endHours":20.59627234030124,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.59627234030124,"endHours":21.59627234030124,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.59627234030124,"endHours":22.59627234030124,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.59627234030124,"endHours":23.59627234030124,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.59627234030124,"endHours":24.59627234030124,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.59627234030124,"endHours":25.59627234030124,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.59627234030124,"endHours":26.59627234030124,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.59627234030124,"endHours":27.59627234030124,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.59627234030124,"endHours":28.59627234030124,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.59627234030124,"endHours":29.59627234030124,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.59627234030124,"endHours":30.59627234030124,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.59627234030124,"endHours":31.59627234030124,"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":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.505482599665914,"eotMinutes":-10.349229581689698,"ayanamsa":19.5372}},"calendars":{"vikram_samvat":1748,"vikram_samvatsara":"Tāraṇa","saka_samvat":1613,"saka_samvatsara":"Prajāpati","bengali_samvat":1098,"malayalam_era":867,"nanakshahi_year":222,"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 Caturthī · Vikram 1748 Tāraṇa · Śaka 1613 Prajāpati"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"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, 1691 CE · Dvārakā · Vidhyamitra","description":"January 18, 1691 CE for Dvārakā: Kṛṣṇa Caturthī, sūryodaya 07:36, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1691-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1691-01-18","sa":"https://sa.vidhyamitra.com/city/dwarka/1691-01-18","hi":"https://hi.vidhyamitra.com/city/dwarka/1691-01-18","x-default":"https://vidhyamitra.com/city/dwarka/1691-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T20:52:52.315Z","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":"2026-06-02T20:52:52.315Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T20:52:52.315Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}