{"id":"vidhyamitra:city-day:dwarka:2170-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2170-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-04-20","date_display":"April 20, 2170 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":2170,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513745.770833,"kali_year":5272,"ahargana":1925280.2708,"sun":{"sidereal_longitude":3.6168,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":47.1184,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.5016,"elapsed_within_tithi_degrees":7.5016},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":47.1184,"elapsed_within_degrees":7.1184},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.7352},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2170,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513745.770833,"ahargana":1925280.2708,"kali_year":5272,"ayanamsa_lahiri":26.2319,"grahas":{"sun":{"sidereal_longitude":3.8942839999999705,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":44.974883999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":-0.1779},"mars":{"sidereal_longitude":130.76338399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":334.098684,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":130.85968400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":36.208484,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":305.91928400000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":49.3862,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":229.3862,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2170,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513745.770833,"kali_year":5272,"ahargana":1925280.2708,"sun":{"sidereal_longitude":3.6168,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":47.1184,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.5016,"elapsed_within_tithi_degrees":7.5016},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":47.1184,"elapsed_within_degrees":7.1184},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.7352},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.178,"elongation":43.502},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.178,"opposition_distance":136.498}},"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":"06:30","sunsetLocal":"19:16","solarNoonLocal":"12:53","dayLengthHours":12.76008405136178,"dayLengthDisplay":"12 Hours 45 Mins 36 Secs","nightLengthDisplay":"11 Hours 14 Mins 24 Secs","moonriseLocal":"08:56","moonsetLocal":"22:19","rahuKala":{"name":"Rāhu Kāla","start":"11:17","end":"12:53","startHours":11.290953435819095,"endHours":12.885963942239318,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:05","end":"17:40","startHours":16.07598495507976,"endHours":17.670995461499984,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:06","end":"09:42","startHours":8.100932422978651,"endHours":9.695942929398873,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:55","startHours":9.483274861876176,"endHours":9.908610996921569,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:23","startHours":7.037592085365169,"endHours":7.377860993401484,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:19","startHours":12.460627807193925,"endHours":13.311300077284711,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:39","startHours":4.804577376376858,"endHours":5.6552496464676425,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:30","startHours":5.442581578944947,"endHours":6.505921916558428,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:01","end":"15:52","startHours":15.01264461746628,"endHours":15.863316887557065,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.06600596792021,"endHours":19.466005967920207,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:48","startHours":19.266005967920208,"endHours":19.79767613672695,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.016005967920208,"endHours":20.766005967920208,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:19","startHours":24.460627807193926,"endHours":25.31130007728471,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:30","end":"08:06","startHours":6.505921916558428,"endHours":8.100932422978651,"quality":"neutral"},{"name":"Labha","start":"08:06","end":"09:42","startHours":8.100932422978651,"endHours":9.695942929398873,"quality":"auspicious"},{"name":"Amṛta","start":"09:42","end":"11:17","startHours":9.695942929398873,"endHours":11.290953435819095,"quality":"auspicious"},{"name":"Kāla","start":"11:17","end":"12:53","startHours":11.290953435819095,"endHours":12.885963942239318,"quality":"inauspicious"},{"name":"Śubha","start":"12:53","end":"14:29","startHours":12.885963942239318,"endHours":14.480974448659541,"quality":"auspicious"},{"name":"Roga","start":"14:29","end":"16:05","startHours":14.480974448659541,"endHours":16.07598495507976,"quality":"inauspicious"},{"name":"Udveg","start":"16:05","end":"17:40","startHours":16.07598495507976,"endHours":17.670995461499984,"quality":"inauspicious"},{"name":"Chala","start":"17:40","end":"19:16","startHours":17.670995461499984,"endHours":19.266005967920208,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:16","end":"20:40","startHours":19.266005967920208,"endHours":20.670995461499984,"quality":"inauspicious"},{"name":"Udveg","start":"20:40","end":"22:05","startHours":20.670995461499984,"endHours":22.07598495507976,"quality":"inauspicious"},{"name":"Chala","start":"22:05","end":"23:29","startHours":22.07598495507976,"endHours":23.48097444865954,"quality":"neutral"},{"name":"Labha","start":"23:29","end":"00:53","startHours":23.48097444865954,"endHours":24.885963942239318,"quality":"auspicious"},{"name":"Amṛta","start":"00:53","end":"02:17","startHours":24.885963942239318,"endHours":26.290953435819095,"quality":"auspicious"},{"name":"Kāla","start":"02:17","end":"03:42","startHours":26.290953435819095,"endHours":27.695942929398875,"quality":"inauspicious"},{"name":"Śubha","start":"03:42","end":"05:06","startHours":27.695942929398875,"endHours":29.10093242297865,"quality":"auspicious"},{"name":"Roga","start":"05:06","end":"06:30","startHours":29.10093242297865,"endHours":30.505921916558428,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.505921916558428,"endHours":7.505921916558428,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.505921916558428,"endHours":8.505921916558428,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.505921916558428,"endHours":9.505921916558428,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.505921916558428,"endHours":10.505921916558428,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.505921916558428,"endHours":11.505921916558428,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.505921916558428,"endHours":12.505921916558428,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.505921916558428,"endHours":13.505921916558428,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.505921916558428,"endHours":14.505921916558428,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.505921916558428,"endHours":15.505921916558428,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.505921916558428,"endHours":16.505921916558428,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.505921916558428,"endHours":17.505921916558428,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.505921916558428,"endHours":18.505921916558428,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.505921916558428,"endHours":19.505921916558428,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.505921916558428,"endHours":20.505921916558428,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.505921916558428,"endHours":21.505921916558428,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.505921916558428,"endHours":22.505921916558428,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.505921916558428,"endHours":23.505921916558428,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.505921916558428,"endHours":24.505921916558428,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.505921916558428,"endHours":25.505921916558428,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.505921916558428,"endHours":26.505921916558428,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.505921916558428,"endHours":27.505921916558428,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.505921916558428,"endHours":28.505921916558428,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.505921916558428,"endHours":29.505921916558428,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.505921916558428,"endHours":30.505921916558428,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.514991802865467,"eotMinutes":0.9677634656409275,"ayanamsa":26.2319}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Śukla Caturthī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 April 20, 2170 CE · Dvārakā · Vidhyamitra","description":"April 20, 2170 CE for Dvārakā: Śukla Caturthī, sūryodaya 06:30, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2170-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2170-04-20","sa":"https://sa.vidhyamitra.com/city/dwarka/2170-04-20","hi":"https://hi.vidhyamitra.com/city/dwarka/2170-04-20","x-default":"https://vidhyamitra.com/city/dwarka/2170-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:26:51.268Z","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":"2026-06-01T04:26:51.268Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:26:51.268Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}