{"id":"vidhyamitra:city-day:dwarka:1801-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1801-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1801-07-18","date_display":"July 18, 1801 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":1801,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2379059.770833,"kali_year":4903,"ahargana":1790594.2708,"sun":{"sidereal_longitude":93.7823,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":176.741,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.9586,"elapsed_within_tithi_degrees":10.9586},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.741,"elapsed_within_degrees":3.4076},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5233},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1801,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2379059.770833,"ahargana":1790594.2708,"kali_year":4903,"ayanamsa_lahiri":21.0807,"grahas":{"sun":{"sidereal_longitude":93.77177899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":172.79937900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-0.8611},"mars":{"sidereal_longitude":128.29397900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":121.227979,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":111.64497900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":52.231979000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":123.99417900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":345.6986,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":165.6986,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":"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":1801,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2379059.770833,"kali_year":4903,"ahargana":1790594.2708,"sun":{"sidereal_longitude":93.7823,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":176.741,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.9586,"elapsed_within_tithi_degrees":10.9586},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.741,"elapsed_within_degrees":3.4076},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5233},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.861,"elongation":82.959},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.861,"opposition_distance":97.041}},"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":"06:20","sunsetLocal":"19:40","solarNoonLocal":"13:00","dayLengthHours":13.344402700736893,"dayLengthDisplay":"13 Hours 20 Mins 40 Secs","nightLengthDisplay":"10 Hours 39 Mins 20 Secs","moonriseLocal":"12:23","moonsetLocal":"00:10","rahuKala":{"name":"Rāhu Kāla","start":"09:40","end":"11:20","startHours":9.663591260157595,"endHours":11.331641597749705,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:40","end":"16:20","startHours":14.667742272933928,"endHours":16.335792610526042,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:20","end":"08:00","startHours":6.327490584973371,"endHours":7.995540922565483,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:53","startHours":9.441184548478645,"endHours":9.885997971836542,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:14","startHours":6.883507364170741,"endHours":7.239358102857058,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:33","end":"13:27","startHours":12.554878511983922,"endHours":13.444505358699715,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:26","startHours":4.5482368915417855,"endHours":5.437863738257578,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:20","startHours":5.21545702657863,"endHours":6.327490584973371,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:13","end":"16:07","startHours":15.2237590521313,"endHours":16.113385898847092,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:28","end":"19:52","startHours":19.471893285710266,"endHours":19.871893285710264,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:40","end":"20:14","startHours":19.671893285710265,"endHours":20.227910064907636,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:25","end":"21:10","startHours":19.421893285710265,"endHours":21.171893285710265,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:33","end":"01:27","startHours":24.554878511983922,"endHours":25.444505358699715,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:20","end":"08:00","startHours":6.327490584973371,"endHours":7.995540922565483,"quality":"inauspicious"},{"name":"Śubha","start":"08:00","end":"09:40","startHours":7.995540922565483,"endHours":9.663591260157595,"quality":"auspicious"},{"name":"Roga","start":"09:40","end":"11:20","startHours":9.663591260157595,"endHours":11.331641597749705,"quality":"inauspicious"},{"name":"Udveg","start":"11:20","end":"13:00","startHours":11.331641597749705,"endHours":12.999691935341819,"quality":"inauspicious"},{"name":"Chala","start":"13:00","end":"14:40","startHours":12.999691935341819,"endHours":14.667742272933928,"quality":"neutral"},{"name":"Labha","start":"14:40","end":"16:20","startHours":14.667742272933928,"endHours":16.335792610526042,"quality":"auspicious"},{"name":"Amṛta","start":"16:20","end":"18:00","startHours":16.335792610526042,"endHours":18.00384294811815,"quality":"auspicious"},{"name":"Kāla","start":"18:00","end":"19:40","startHours":18.00384294811815,"endHours":19.671893285710265,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:40","end":"21:00","startHours":19.671893285710265,"endHours":21.003842948118155,"quality":"auspicious"},{"name":"Amṛta","start":"21:00","end":"22:20","startHours":21.003842948118155,"endHours":22.335792610526042,"quality":"auspicious"},{"name":"Kāla","start":"22:20","end":"23:40","startHours":22.335792610526042,"endHours":23.66774227293393,"quality":"inauspicious"},{"name":"Śubha","start":"23:40","end":"01:00","startHours":23.66774227293393,"endHours":24.99969193534182,"quality":"auspicious"},{"name":"Roga","start":"01:00","end":"02:20","startHours":24.99969193534182,"endHours":26.33164159774971,"quality":"inauspicious"},{"name":"Udveg","start":"02:20","end":"03:40","startHours":26.33164159774971,"endHours":27.663591260157595,"quality":"inauspicious"},{"name":"Chala","start":"03:40","end":"05:00","startHours":27.663591260157595,"endHours":28.995540922565482,"quality":"neutral"},{"name":"Labha","start":"05:00","end":"06:20","startHours":28.995540922565482,"endHours":30.327490584973372,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.327490584973371,"endHours":7.327490584973371,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.327490584973371,"endHours":8.327490584973372,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.327490584973372,"endHours":9.327490584973372,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.327490584973372,"endHours":10.327490584973372,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.327490584973372,"endHours":11.327490584973372,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.327490584973372,"endHours":12.327490584973372,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.327490584973372,"endHours":13.327490584973372,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.327490584973372,"endHours":14.327490584973372,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.327490584973372,"endHours":15.327490584973372,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.327490584973372,"endHours":16.327490584973372,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.327490584973372,"endHours":17.327490584973372,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.327490584973372,"endHours":18.327490584973372,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.327490584973372,"endHours":19.327490584973372,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.327490584973372,"endHours":20.327490584973372,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.327490584973372,"endHours":21.327490584973372,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.327490584973372,"endHours":22.327490584973372,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.327490584973372,"endHours":23.327490584973372,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.327490584973372,"endHours":24.327490584973372,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.327490584973372,"endHours":25.327490584973372,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.327490584973372,"endHours":26.327490584973372,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.327490584973372,"endHours":27.327490584973372,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.327490584973372,"endHours":28.327490584973372,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.327490584973372,"endHours":29.327490584973372,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.327490584973372,"endHours":30.327490584973372,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.155454721307134,"eotMinutes":-5.85591612050904,"ayanamsa":21.0807}},"calendars":{"vikram_samvat":1858,"vikram_samvatsara":"Bhāva","saka_samvat":1723,"saka_samvatsara":"Durmati","bengali_samvat":1208,"malayalam_era":977,"nanakshahi_year":332,"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 Saptamī · Vikram 1858 Bhāva · Śaka 1723 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 July 18, 1801 CE · Dvārakā · Vidhyamitra","description":"July 18, 1801 CE for Dvārakā: Śukla Saptamī, sūryodaya 06:20, sūryāsta 19:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1801-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1801-07-18","sa":"https://sa.vidhyamitra.com/city/dwarka/1801-07-18","hi":"https://hi.vidhyamitra.com/city/dwarka/1801-07-18","x-default":"https://vidhyamitra.com/city/dwarka/1801-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:02:50.159Z","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":"2026-05-31T19:02:50.159Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:02:50.159Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}