{"id":"vidhyamitra:city-day:vrindavan:1997-08-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1997-08-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-07","date_display":"August 7, 1997 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":1997,"month":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450667.770833,"kali_year":5099,"ahargana":1862202.2708,"sun":{"sidereal_longitude":110.2037,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":154.2282,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.0245,"elapsed_within_tithi_degrees":8.0245},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":154.2282,"elapsed_within_degrees":7.5615},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.4318},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1997,"month":8,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450667.770833,"ahargana":1862202.2708,"kali_year":5099,"ayanamsa_lahiri":23.8194,"grahas":{"sun":{"sidereal_longitude":110.769227,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":151.14772700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":0.2091},"mars":{"sidereal_longitude":181.776927,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":137.90002700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":293.5279270000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":143.60452699999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":356.474927,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":151.5621,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":331.5621,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"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":1997,"month":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450667.770833,"kali_year":5099,"ahargana":1862202.2708,"sun":{"sidereal_longitude":110.2037,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":154.2282,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.0245,"elapsed_within_tithi_degrees":8.0245},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":154.2282,"elapsed_within_degrees":7.5615},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.4318},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.209,"elongation":44.025},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.209,"opposition_distance":135.975}},"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":"05:45","sunsetLocal":"19:04","solarNoonLocal":"12:25","dayLengthHours":13.314920218266126,"dayLengthDisplay":"13 Hours 18 Mins 54 Secs","nightLengthDisplay":"10 Hours 41 Mins 06 Secs","moonriseLocal":"09:00","moonsetLocal":"21:13","rahuKala":{"name":"Rāhu Kāla","start":"14:05","end":"15:45","startHours":14.078343290868693,"endHours":15.742708318151958,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:45","end":"07:25","startHours":5.756518154452364,"endHours":7.420883181735629,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:45","startHours":9.085248209018895,"endHours":10.74961323630216,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.863332872047792,"endHours":9.307163545989997,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:40","startHours":6.311306496880119,"endHours":6.666371036033882,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:51","startHours":11.970147589643224,"endHours":12.857808937527631,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:52","startHours":3.9811954586835467,"endHours":4.868856806567955,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:45","startHours":4.646941469596853,"endHours":5.756518154452364,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:31","startHours":14.633131633296449,"endHours":15.520792981180858,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.87143837271849,"endHours":19.27143837271849,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:38","startHours":19.07143837271849,"endHours":19.626226715146245,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.82143837271849,"endHours":20.57143837271849,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:51","startHours":23.970147589643222,"endHours":24.857808937527633,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:45","end":"07:25","startHours":5.756518154452364,"endHours":7.420883181735629,"quality":"auspicious"},{"name":"Roga","start":"07:25","end":"09:05","startHours":7.420883181735629,"endHours":9.085248209018895,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:45","startHours":9.085248209018895,"endHours":10.74961323630216,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:25","startHours":10.74961323630216,"endHours":12.413978263585427,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"14:05","startHours":12.413978263585427,"endHours":14.078343290868693,"quality":"auspicious"},{"name":"Amṛta","start":"14:05","end":"15:45","startHours":14.078343290868693,"endHours":15.742708318151958,"quality":"auspicious"},{"name":"Kāla","start":"15:45","end":"17:24","startHours":15.742708318151958,"endHours":17.407073345435222,"quality":"inauspicious"},{"name":"Śubha","start":"17:24","end":"19:04","startHours":17.407073345435222,"endHours":19.07143837271849,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:04","end":"20:24","startHours":19.07143837271849,"endHours":20.407073345435222,"quality":"auspicious"},{"name":"Kāla","start":"20:24","end":"21:45","startHours":20.407073345435222,"endHours":21.74270831815196,"quality":"inauspicious"},{"name":"Śubha","start":"21:45","end":"23:05","startHours":21.74270831815196,"endHours":23.07834329086869,"quality":"auspicious"},{"name":"Roga","start":"23:05","end":"00:25","startHours":23.07834329086869,"endHours":24.413978263585427,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:45","startHours":24.413978263585427,"endHours":25.74961323630216,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:05","startHours":25.74961323630216,"endHours":27.085248209018893,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:25","startHours":27.085248209018893,"endHours":28.42088318173563,"quality":"auspicious"},{"name":"Amṛta","start":"04:25","end":"05:45","startHours":28.42088318173563,"endHours":29.756518154452365,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.756518154452364,"endHours":6.756518154452364,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.756518154452364,"endHours":7.756518154452364,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.756518154452364,"endHours":8.756518154452364,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.756518154452364,"endHours":9.756518154452364,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.756518154452364,"endHours":10.756518154452364,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.756518154452364,"endHours":11.756518154452364,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.756518154452364,"endHours":12.756518154452364,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.756518154452364,"endHours":13.756518154452364,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.756518154452364,"endHours":14.756518154452364,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.756518154452364,"endHours":15.756518154452364,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.756518154452364,"endHours":16.756518154452365,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.756518154452365,"endHours":17.756518154452365,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.756518154452365,"endHours":18.756518154452365,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.756518154452365,"endHours":19.756518154452365,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.756518154452365,"endHours":20.756518154452365,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.756518154452365,"endHours":21.756518154452365,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.756518154452365,"endHours":22.756518154452365,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.756518154452365,"endHours":23.756518154452365,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.756518154452365,"endHours":24.756518154452365,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.756518154452365,"endHours":25.756518154452365,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.756518154452365,"endHours":26.756518154452365,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.756518154452365,"endHours":27.756518154452365,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.756518154452365,"endHours":28.756518154452365,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.756518154452365,"endHours":29.756518154452365,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"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":16.45434868965878,"eotMinutes":-5.475895815125568,"ayanamsa":23.8194}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"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":"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":"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":[]},"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 7, 1997 CE · Vṛndāvana · Vidhyamitra","description":"August 7, 1997 CE for Vṛndāvana: Śukla Caturthī, sūryodaya 05:45, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1997-08-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1997-08-07","sa":"https://sa.vidhyamitra.com/city/vrindavan/1997-08-07","hi":"https://hi.vidhyamitra.com/city/vrindavan/1997-08-07","x-default":"https://vidhyamitra.com/city/vrindavan/1997-08-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T02:14:23.414Z","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":"2026-05-17T02:14:23.414Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T02:14:23.414Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}