{"id":"vidhyamitra:city-day:mathura:1997-08-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1997-08-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-11","date_display":"August 11, 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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450671.770833,"kali_year":5099,"ahargana":1862206.2708,"sun":{"sidereal_longitude":114.0171,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":202.3313,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.3143,"elapsed_within_tithi_degrees":4.3143},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":202.3313,"elapsed_within_degrees":2.3313},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.3484},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450671.770833,"ahargana":1862206.2708,"kali_year":5099,"ayanamsa_lahiri":23.8196,"grahas":{"sun":{"sidereal_longitude":114.604374,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":198.93257399999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":3.4948},"mars":{"sidereal_longitude":184.18357400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":140.613674,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":293.004774,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":148.38507399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":356.422574,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":151.3502,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":331.3502,"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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450671.770833,"kali_year":5099,"ahargana":1862206.2708,"sun":{"sidereal_longitude":114.0171,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":202.3313,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.3143,"elapsed_within_tithi_degrees":4.3143},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":202.3313,"elapsed_within_degrees":2.3313},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.3484},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.495,"elongation":88.314},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.495,"opposition_distance":91.686}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:48","sunsetLocal":"19:01","solarNoonLocal":"12:24","dayLengthHours":13.222907438953364,"dayLengthDisplay":"13 Hours 13 Mins 22 Secs","nightLengthDisplay":"10 Hours 46 Mins 38 Secs","moonriseLocal":"12:32","moonsetLocal":"23:31","rahuKala":{"name":"Rāhu Kāla","start":"07:27","end":"09:06","startHours":7.444944672590285,"endHours":9.097808102459457,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:45","end":"12:24","startHours":10.750671532328626,"endHours":12.403534962197796,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:03","end":"15:43","startHours":14.056398392066967,"endHours":15.709261821936138,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:19","startHours":8.877426311810233,"endHours":9.318189893108679,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.343035719344171,"endHours":6.695646584382928,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:51","startHours":11.96277138089935,"endHours":12.844298543496242,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:55","startHours":4.029026917527333,"endHours":4.910554080124224,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:48","startHours":4.690172289475001,"endHours":5.792081242721115,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:29","startHours":14.607352868690025,"endHours":15.488880031286916,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.81498868167448,"endHours":19.214988681674477,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:34","startHours":19.014988681674478,"endHours":19.565943158297536,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.764988681674478,"endHours":20.514988681674478,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:51","startHours":23.96277138089935,"endHours":24.84429854349624,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:48","end":"07:27","startHours":5.792081242721115,"endHours":7.444944672590285,"quality":"auspicious"},{"name":"Kāla","start":"07:27","end":"09:06","startHours":7.444944672590285,"endHours":9.097808102459457,"quality":"inauspicious"},{"name":"Śubha","start":"09:06","end":"10:45","startHours":9.097808102459457,"endHours":10.750671532328626,"quality":"auspicious"},{"name":"Roga","start":"10:45","end":"12:24","startHours":10.750671532328626,"endHours":12.403534962197796,"quality":"inauspicious"},{"name":"Udveg","start":"12:24","end":"14:03","startHours":12.403534962197796,"endHours":14.056398392066967,"quality":"inauspicious"},{"name":"Chala","start":"14:03","end":"15:43","startHours":14.056398392066967,"endHours":15.709261821936138,"quality":"neutral"},{"name":"Labha","start":"15:43","end":"17:22","startHours":15.709261821936138,"endHours":17.362125251805306,"quality":"auspicious"},{"name":"Amṛta","start":"17:22","end":"19:01","startHours":17.362125251805306,"endHours":19.014988681674478,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:01","end":"20:22","startHours":19.014988681674478,"endHours":20.362125251805306,"quality":"neutral"},{"name":"Labha","start":"20:22","end":"21:43","startHours":20.362125251805306,"endHours":21.70926182193614,"quality":"auspicious"},{"name":"Amṛta","start":"21:43","end":"23:03","startHours":21.70926182193614,"endHours":23.056398392066967,"quality":"auspicious"},{"name":"Kāla","start":"23:03","end":"00:24","startHours":23.056398392066967,"endHours":24.403534962197796,"quality":"inauspicious"},{"name":"Śubha","start":"00:24","end":"01:45","startHours":24.403534962197796,"endHours":25.750671532328624,"quality":"auspicious"},{"name":"Roga","start":"01:45","end":"03:06","startHours":25.750671532328624,"endHours":27.097808102459453,"quality":"inauspicious"},{"name":"Udveg","start":"03:06","end":"04:27","startHours":27.097808102459453,"endHours":28.444944672590285,"quality":"inauspicious"},{"name":"Chala","start":"04:27","end":"05:48","startHours":28.444944672590285,"endHours":29.792081242721114,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.792081242721115,"endHours":6.792081242721115,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.792081242721115,"endHours":7.792081242721115,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.792081242721115,"endHours":8.792081242721114,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.792081242721114,"endHours":9.792081242721114,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.792081242721114,"endHours":10.792081242721114,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.792081242721114,"endHours":11.792081242721114,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.792081242721114,"endHours":12.792081242721114,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.792081242721114,"endHours":13.792081242721114,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.792081242721114,"endHours":14.792081242721114,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.792081242721114,"endHours":15.792081242721114,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.792081242721114,"endHours":16.792081242721114,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.792081242721114,"endHours":17.792081242721114,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.792081242721114,"endHours":18.792081242721114,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.792081242721114,"endHours":19.792081242721114,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.792081242721114,"endHours":20.792081242721114,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.792081242721114,"endHours":21.792081242721114,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.792081242721114,"endHours":22.792081242721114,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.792081242721114,"endHours":23.792081242721114,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.792081242721114,"endHours":24.792081242721114,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.792081242721114,"endHours":25.792081242721114,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.792081242721114,"endHours":26.792081242721114,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.792081242721114,"endHours":27.792081242721114,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.792081242721114,"endHours":28.792081242721114,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.792081242721114,"endHours":29.792081242721114,"planetary_lord":"Venus"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":15.304008661798488,"eotMinutes":-4.906897731867799,"ayanamsa":23.8196}},"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 Aṣṭamī · 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}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 11, 1997 CE · Mathurā · Vidhyamitra","description":"August 11, 1997 CE for Mathurā: Śukla Aṣṭamī, sūryodaya 05:48, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1997-08-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1997-08-11","sa":"https://sa.vidhyamitra.com/city/mathura/1997-08-11","hi":"https://hi.vidhyamitra.com/city/mathura/1997-08-11","x-default":"https://vidhyamitra.com/city/mathura/1997-08-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:47:09.001Z","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":"2026-05-14T21:47:09.001Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:47:09.001Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}