{"id":"vidhyamitra:city-day:vrindavan:2018-08-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2018-08-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-08-09","date_display":"August 9, 2018 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":2018,"month":8,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458339.770833,"kali_year":5120,"ahargana":1869874.2708,"sun":{"sidereal_longitude":111.696,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":80.0455,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.3495,"elapsed_within_tithi_degrees":4.3495},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":80.0455,"elapsed_within_degrees":0.0455},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.7415},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2018,"month":8,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458339.770833,"ahargana":1869874.2708,"kali_year":5120,"ayanamsa_lahiri":24.1129,"grahas":{"sun":{"sidereal_longitude":112.32079999999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":78.71789999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-1.9014},"mars":{"sidereal_longitude":276.4667999999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":112.13850000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":200.38969999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":157.73770000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":248.94830000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":105.0627,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":285.0627,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":8,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458339.770833,"kali_year":5120,"ahargana":1869874.2708,"sun":{"sidereal_longitude":111.696,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":80.0455,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.3495,"elapsed_within_tithi_degrees":4.3495},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":80.0455,"elapsed_within_degrees":0.0455},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.7415},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.901,"elongation":31.651},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.901,"opposition_distance":148.349}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:46","sunsetLocal":"19:03","solarNoonLocal":"12:25","dayLengthHours":13.27282360465307,"dayLengthDisplay":"13 Hours 16 Mins 22 Secs","nightLengthDisplay":"10 Hours 43 Mins 38 Secs","moonriseLocal":"03:16","moonsetLocal":"17:04","rahuKala":{"name":"Rāhu Kāla","start":"14:04","end":"15:44","startHours":14.068681681750505,"endHours":15.727784632332138,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:46","end":"07:26","startHours":5.773166928842337,"endHours":7.432269879423971,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:45","startHours":9.091372830005604,"endHours":10.750475780587237,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:19","startHours":8.870159103261386,"endHours":9.312586556749823,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.326201245702881,"endHours":6.68014320849363,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:51","startHours":11.967151277680435,"endHours":12.852006184657307,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:53","startHours":4.003457114888595,"endHours":4.888312021865466,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:46","startHours":4.667098295121248,"endHours":5.773166928842337,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:30","startHours":14.621715998611052,"endHours":15.506570905587923,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.845990533495407,"endHours":19.245990533495405,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:36","startHours":19.045990533495406,"endHours":19.59902485035595,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.795990533495406,"endHours":20.545990533495406,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:51","startHours":23.967151277680436,"endHours":24.852006184657306,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:46","end":"07:26","startHours":5.773166928842337,"endHours":7.432269879423971,"quality":"auspicious"},{"name":"Roga","start":"07:26","end":"09:05","startHours":7.432269879423971,"endHours":9.091372830005604,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:45","startHours":9.091372830005604,"endHours":10.750475780587237,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:25","startHours":10.750475780587237,"endHours":12.409578731168871,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"14:04","startHours":12.409578731168871,"endHours":14.068681681750505,"quality":"auspicious"},{"name":"Amṛta","start":"14:04","end":"15:44","startHours":14.068681681750505,"endHours":15.727784632332138,"quality":"auspicious"},{"name":"Kāla","start":"15:44","end":"17:23","startHours":15.727784632332138,"endHours":17.386887582913772,"quality":"inauspicious"},{"name":"Śubha","start":"17:23","end":"19:03","startHours":17.386887582913772,"endHours":19.045990533495406,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:03","end":"20:23","startHours":19.045990533495406,"endHours":20.386887582913772,"quality":"auspicious"},{"name":"Kāla","start":"20:23","end":"21:44","startHours":20.386887582913772,"endHours":21.72778463233214,"quality":"inauspicious"},{"name":"Śubha","start":"21:44","end":"23:04","startHours":21.72778463233214,"endHours":23.068681681750505,"quality":"auspicious"},{"name":"Roga","start":"23:04","end":"00:25","startHours":23.068681681750505,"endHours":24.40957873116887,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:45","startHours":24.40957873116887,"endHours":25.750475780587237,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:05","startHours":25.750475780587237,"endHours":27.091372830005604,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:26","startHours":27.091372830005604,"endHours":28.43226987942397,"quality":"auspicious"},{"name":"Amṛta","start":"04:26","end":"05:46","startHours":28.43226987942397,"endHours":29.773166928842336,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.773166928842337,"endHours":6.773166928842337,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.773166928842337,"endHours":7.773166928842337,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.773166928842337,"endHours":8.773166928842336,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.773166928842336,"endHours":9.773166928842336,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.773166928842336,"endHours":10.773166928842336,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.773166928842336,"endHours":11.773166928842336,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.773166928842336,"endHours":12.773166928842336,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.773166928842336,"endHours":13.773166928842336,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.773166928842336,"endHours":14.773166928842336,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.773166928842336,"endHours":15.773166928842336,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.773166928842336,"endHours":16.773166928842336,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.773166928842336,"endHours":17.773166928842336,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.773166928842336,"endHours":18.773166928842336,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.773166928842336,"endHours":19.773166928842336,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.773166928842336,"endHours":20.773166928842336,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.773166928842336,"endHours":21.773166928842336,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.773166928842336,"endHours":22.773166928842336,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.773166928842336,"endHours":23.773166928842336,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.773166928842336,"endHours":24.773166928842336,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.773166928842336,"endHours":25.773166928842336,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.773166928842336,"endHours":26.773166928842336,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.773166928842336,"endHours":27.773166928842336,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.773166928842336,"endHours":28.773166928842336,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.773166928842336,"endHours":29.773166928842336,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":15.909258288931872,"eotMinutes":-5.211923870132258,"ayanamsa":24.1129}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 9, 2018 CE · Vṛndāvana · Vidhyamitra","description":"August 9, 2018 CE for Vṛndāvana: Kṛṣṇa Trayodaśī, sūryodaya 05:46, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2018-08-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2018-08-09","sa":"https://sa.vidhyamitra.com/city/vrindavan/2018-08-09","hi":"https://hi.vidhyamitra.com/city/vrindavan/2018-08-09","x-default":"https://vidhyamitra.com/city/vrindavan/2018-08-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:29:28.101Z","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":"2026-05-15T15:29:28.101Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:29:28.101Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}