{"id":"vidhyamitra:city-day:dwarka:2187-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2187-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2187-05-13","date_display":"May 13, 2187 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":2187,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519977.770833,"kali_year":5289,"ahargana":1931512.2708,"sun":{"sidereal_longitude":25.4769,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":82.5069,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.03,"elapsed_within_tithi_degrees":9.03},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.5069,"elapsed_within_degrees":2.5069},"yoga":{"number":9,"name":"Śūla","sum_longitude":107.9838},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2187,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519977.770833,"ahargana":1931512.2708,"kali_year":5289,"ayanamsa_lahiri":26.4703,"grahas":{"sun":{"sidereal_longitude":25.90617500000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":83.178675,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":0.2605},"mars":{"sidereal_longitude":151.66247499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":20.869475000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":301.186875,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":10.581174999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":156.72337500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":79.1848,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.1848,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2187,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519977.770833,"kali_year":5289,"ahargana":1931512.2708,"sun":{"sidereal_longitude":25.4769,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":82.5069,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.03,"elapsed_within_tithi_degrees":9.03},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.5069,"elapsed_within_degrees":2.5069},"yoga":{"number":9,"name":"Śūla","sum_longitude":107.9838},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.261,"elongation":57.03},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.261,"opposition_distance":122.97}},"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":"06:15","sunsetLocal":"19:25","solarNoonLocal":"12:50","dayLengthHours":13.167788004020359,"dayLengthDisplay":"13 Hours 10 Mins 04 Secs","nightLengthDisplay":"10 Hours 49 Mins 56 Secs","moonriseLocal":"09:59","moonsetLocal":"23:20","rahuKala":{"name":"Rāhu Kāla","start":"17:47","end":"19:25","startHours":17.77745652244836,"endHours":19.423430022950907,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:50","end":"14:29","startHours":12.839536020940727,"endHours":14.485509521443273,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:08","end":"17:47","startHours":16.13148302194582,"endHours":17.77745652244836,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:46","startHours":9.328125886535299,"endHours":9.767052153335978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:09","startHours":6.804299852431397,"endHours":7.15544086587194,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:17","startHours":12.40060975414005,"endHours":13.278462287741405,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:23","startHours":4.499936951727834,"endHours":5.377789485329191,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:15","startHours":5.158326351928852,"endHours":6.255642018930549,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:02","end":"15:55","startHours":15.03416735494412,"endHours":15.912019888545478,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.223430022950907,"endHours":19.623430022950906,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"19:58","startHours":19.423430022950907,"endHours":19.972087856451754,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.173430022950907,"endHours":20.923430022950907,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:17","startHours":24.40060975414005,"endHours":25.278462287741405,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:15","end":"07:54","startHours":6.255642018930549,"endHours":7.9016155194330935,"quality":"inauspicious"},{"name":"Chala","start":"07:54","end":"09:33","startHours":7.9016155194330935,"endHours":9.54758901993564,"quality":"neutral"},{"name":"Labha","start":"09:33","end":"11:12","startHours":9.54758901993564,"endHours":11.193562520438183,"quality":"auspicious"},{"name":"Amṛta","start":"11:12","end":"12:50","startHours":11.193562520438183,"endHours":12.839536020940727,"quality":"auspicious"},{"name":"Kāla","start":"12:50","end":"14:29","startHours":12.839536020940727,"endHours":14.485509521443273,"quality":"inauspicious"},{"name":"Śubha","start":"14:29","end":"16:08","startHours":14.485509521443273,"endHours":16.13148302194582,"quality":"auspicious"},{"name":"Roga","start":"16:08","end":"17:47","startHours":16.13148302194582,"endHours":17.77745652244836,"quality":"inauspicious"},{"name":"Udveg","start":"17:47","end":"19:25","startHours":17.77745652244836,"endHours":19.423430022950907,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:25","end":"20:47","startHours":19.423430022950907,"endHours":20.77745652244836,"quality":"auspicious"},{"name":"Roga","start":"20:47","end":"22:08","startHours":20.77745652244836,"endHours":22.13148302194582,"quality":"inauspicious"},{"name":"Udveg","start":"22:08","end":"23:29","startHours":22.13148302194582,"endHours":23.485509521443273,"quality":"inauspicious"},{"name":"Chala","start":"23:29","end":"00:50","startHours":23.485509521443273,"endHours":24.839536020940727,"quality":"neutral"},{"name":"Labha","start":"00:50","end":"02:12","startHours":24.839536020940727,"endHours":26.19356252043818,"quality":"auspicious"},{"name":"Amṛta","start":"02:12","end":"03:33","startHours":26.19356252043818,"endHours":27.547589019935636,"quality":"auspicious"},{"name":"Kāla","start":"03:33","end":"04:54","startHours":27.547589019935636,"endHours":28.901615519433093,"quality":"inauspicious"},{"name":"Śubha","start":"04:54","end":"06:15","startHours":28.901615519433093,"endHours":30.255642018930548,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.255642018930549,"endHours":7.255642018930549,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.255642018930549,"endHours":8.255642018930548,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.255642018930548,"endHours":9.255642018930548,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.255642018930548,"endHours":10.255642018930548,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.255642018930548,"endHours":11.255642018930548,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.255642018930548,"endHours":12.255642018930548,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.255642018930548,"endHours":13.255642018930548,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.255642018930548,"endHours":14.255642018930548,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.255642018930548,"endHours":15.255642018930548,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.255642018930548,"endHours":16.255642018930548,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.255642018930548,"endHours":17.255642018930548,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.255642018930548,"endHours":18.255642018930548,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.255642018930548,"endHours":19.255642018930548,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.255642018930548,"endHours":20.255642018930548,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.255642018930548,"endHours":21.255642018930548,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.255642018930548,"endHours":22.255642018930548,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.255642018930548,"endHours":23.255642018930548,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.255642018930548,"endHours":24.255642018930548,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.255642018930548,"endHours":25.255642018930548,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.255642018930548,"endHours":26.255642018930548,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.255642018930548,"endHours":27.255642018930548,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.255642018930548,"endHours":28.255642018930548,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.255642018930548,"endHours":29.255642018930548,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.255642018930548,"endHours":30.255642018930548,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","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":18.36199967739367,"eotMinutes":3.7534387435564067,"ayanamsa":26.4703}},"calendars":{"vikram_samvat":2244,"vikram_samvatsara":"Śārvarī","saka_samvat":2109,"saka_samvatsara":"Sarvajit","bengali_samvat":1594,"malayalam_era":1363,"nanakshahi_year":718,"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 Pañcamī · Vikram 2244 Śārvarī · Śaka 2109 Sarvajit"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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, 2187 CE · Dvārakā · Vidhyamitra","description":"May 13, 2187 CE for Dvārakā: Śukla Pañcamī, sūryodaya 06:15, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2187-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2187-05-13","sa":"https://sa.vidhyamitra.com/city/dwarka/2187-05-13","hi":"https://hi.vidhyamitra.com/city/dwarka/2187-05-13","x-default":"https://vidhyamitra.com/city/dwarka/2187-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:01:09.456Z","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":"2026-06-01T08:01:09.456Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:01:09.456Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}