{"id":"vidhyamitra:city-day:dwarka:2291-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2291-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2291-05-13","date_display":"May 13, 2291 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":2291,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2557962.770833,"kali_year":5393,"ahargana":1969497.2708,"sun":{"sidereal_longitude":23.64,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":191.9084,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":168.2684,"elapsed_within_tithi_degrees":0.2684},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.9084,"elapsed_within_degrees":5.2417},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.5484},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2291,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2557962.770833,"ahargana":1969497.2708,"kali_year":5393,"ayanamsa_lahiri":27.9231,"grahas":{"sun":{"sidereal_longitude":24.303968999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":192.16406900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-2.5566},"mars":{"sidereal_longitude":326.445069,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":41.57256899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":206.45196899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":15.211469000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":341.746669,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":226.5567,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":46.5567,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2291,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2557962.770833,"kali_year":5393,"ahargana":1969497.2708,"sun":{"sidereal_longitude":23.64,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":191.9084,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":168.2684,"elapsed_within_tithi_degrees":0.2684},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.9084,"elapsed_within_degrees":5.2417},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.5484},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.557,"elongation":168.268},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.557,"opposition_distance":11.732}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":0.408,"elongation":1.538}]},"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":"06:15","sunsetLocal":"19:25","solarNoonLocal":"12:50","dayLengthHours":13.165415824155971,"dayLengthDisplay":"13 Hours 09 Mins 55 Secs","nightLengthDisplay":"10 Hours 50 Mins 05 Secs","moonriseLocal":"18:24","moonsetLocal":"05:40","rahuKala":{"name":"Rāhu Kāla","start":"12:50","end":"14:29","startHours":12.839536020940727,"endHours":14.485212998960225,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:54","end":"09:33","startHours":7.902505086882239,"endHours":9.548182064901734,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:12","end":"12:50","startHours":11.193859042921233,"endHours":12.839536020940727,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:46","startHours":9.328758467832468,"endHours":9.767605661971002,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:09","startHours":6.805387101535908,"endHours":7.156464856846734,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:17","startHours":12.400688826802195,"endHours":13.27838321507926,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:23","startHours":4.501439332308613,"endHours":5.379133720585678,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:15","startHours":5.159710123516412,"endHours":6.256828108862742,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:02","end":"15:55","startHours":15.03377199163339,"endHours":15.911466379910456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.222243933018714,"endHours":19.622243933018712,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"19:58","startHours":19.422243933018713,"endHours":19.970802925691878,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.172243933018713,"endHours":20.922243933018713,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:17","startHours":24.400688826802195,"endHours":25.27838321507926,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:15","end":"07:54","startHours":6.256828108862742,"endHours":7.902505086882239,"quality":"auspicious"},{"name":"Amṛta","start":"07:54","end":"09:33","startHours":7.902505086882239,"endHours":9.548182064901734,"quality":"auspicious"},{"name":"Kāla","start":"09:33","end":"11:12","startHours":9.548182064901734,"endHours":11.193859042921233,"quality":"inauspicious"},{"name":"Śubha","start":"11:12","end":"12:50","startHours":11.193859042921233,"endHours":12.839536020940727,"quality":"auspicious"},{"name":"Roga","start":"12:50","end":"14:29","startHours":12.839536020940727,"endHours":14.485212998960225,"quality":"inauspicious"},{"name":"Udveg","start":"14:29","end":"16:08","startHours":14.485212998960225,"endHours":16.13088997697972,"quality":"inauspicious"},{"name":"Chala","start":"16:08","end":"17:47","startHours":16.13088997697972,"endHours":17.77656695499922,"quality":"neutral"},{"name":"Labha","start":"17:47","end":"19:25","startHours":17.77656695499922,"endHours":19.422243933018713,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:25","end":"20:47","startHours":19.422243933018713,"endHours":20.77656695499922,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:08","startHours":20.77656695499922,"endHours":22.13088997697972,"quality":"neutral"},{"name":"Labha","start":"22:08","end":"23:29","startHours":22.13088997697972,"endHours":23.485212998960222,"quality":"auspicious"},{"name":"Amṛta","start":"23:29","end":"00:50","startHours":23.485212998960222,"endHours":24.839536020940727,"quality":"auspicious"},{"name":"Kāla","start":"00:50","end":"02:12","startHours":24.839536020940727,"endHours":26.193859042921233,"quality":"inauspicious"},{"name":"Śubha","start":"02:12","end":"03:33","startHours":26.193859042921233,"endHours":27.548182064901734,"quality":"auspicious"},{"name":"Roga","start":"03:33","end":"04:54","startHours":27.548182064901734,"endHours":28.902505086882236,"quality":"inauspicious"},{"name":"Udveg","start":"04:54","end":"06:15","startHours":28.902505086882236,"endHours":30.25682810886274,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.256828108862742,"endHours":7.256828108862742,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.256828108862742,"endHours":8.256828108862742,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.256828108862742,"endHours":9.256828108862742,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.256828108862742,"endHours":10.256828108862742,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.256828108862742,"endHours":11.256828108862742,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.256828108862742,"endHours":12.256828108862742,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.256828108862742,"endHours":13.256828108862742,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.256828108862742,"endHours":14.256828108862742,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.256828108862742,"endHours":15.256828108862742,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.256828108862742,"endHours":16.25682810886274,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.25682810886274,"endHours":17.25682810886274,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.25682810886274,"endHours":18.25682810886274,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.25682810886274,"endHours":19.25682810886274,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.25682810886274,"endHours":20.25682810886274,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.25682810886274,"endHours":21.25682810886274,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.25682810886274,"endHours":22.25682810886274,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.25682810886274,"endHours":23.25682810886274,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.25682810886274,"endHours":24.25682810886274,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.25682810886274,"endHours":25.25682810886274,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.25682810886274,"endHours":26.25682810886274,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.25682810886274,"endHours":27.25682810886274,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.25682810886274,"endHours":28.25682810886274,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.25682810886274,"endHours":29.25682810886274,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.25682810886274,"endHours":30.25682810886274,"planetary_lord":"Sun"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Sushira","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":18.323716855942145,"eotMinutes":3.7534387435564067,"ayanamsa":27.9231}},"calendars":{"vikram_samvat":2348,"vikram_samvatsara":"Tāraṇa","saka_samvat":2213,"saka_samvatsara":"Prajāpati","bengali_samvat":1698,"malayalam_era":1467,"nanakshahi_year":822,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pūrṇimā · Vikram 2348 Tāraṇa · Śaka 2213 Prajāpati"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","historical_anchor":{"event":"Bhagavān Buddha's birth at Lumbinī","date_julian":"-0562-04-11","location":"Lumbinī, Nepal"},"sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"id":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 May 13, 2291 CE · Dvārakā · Vidhyamitra","description":"May 13, 2291 CE for Dvārakā: Śukla Pūrṇimā, sūryodaya 06:15, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2291-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2291-05-13","sa":"https://sa.vidhyamitra.com/city/dwarka/2291-05-13","hi":"https://hi.vidhyamitra.com/city/dwarka/2291-05-13","x-default":"https://vidhyamitra.com/city/dwarka/2291-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:52:40.773Z","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":"2026-06-01T13:52:40.773Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:52:40.773Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}