{"id":"vidhyamitra:city-day:mathura:1997-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1997-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-22","date_display":"August 22, 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":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450682.770833,"kali_year":5099,"ahargana":1862217.2708,"sun":{"sidereal_longitude":124.5372,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":351.9653,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.4281,"elapsed_within_tithi_degrees":11.4281},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.9653,"elapsed_within_degrees":5.2986},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.5025},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450682.770833,"ahargana":1862217.2708,"kali_year":5099,"ayanamsa_lahiri":23.82,"grahas":{"sun":{"sidereal_longitude":125.177954,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":355.373054,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-1.6257},"mars":{"sidereal_longitude":190.98615399999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":141.76685399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":291.595554,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":161.47405400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":356.14115400000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":150.7674,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.7674,"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":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450682.770833,"kali_year":5099,"ahargana":1862217.2708,"sun":{"sidereal_longitude":124.5372,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":351.9653,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.4281,"elapsed_within_tithi_degrees":11.4281},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.9653,"elapsed_within_degrees":5.2986},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.5025},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.626,"elongation":132.572},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.626,"opposition_distance":47.428}},"eclipse_window_40days":[{"offset_days":11,"type":"solar","occurs":true,"moon_latitude":-1.043,"elongation":1.659}]},"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":"05:53","sunsetLocal":"18:51","solarNoonLocal":"12:22","dayLengthHours":12.962535887585318,"dayLengthDisplay":"12 Hours 57 Mins 45 Secs","nightLengthDisplay":"11 Hours 02 Mins 15 Secs","moonriseLocal":"21:24","moonsetLocal":"10:01","rahuKala":{"name":"Rāhu Kāla","start":"10:45","end":"12:22","startHours":10.743725285115975,"endHours":12.36404227106414,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:36","end":"17:13","startHours":15.604676242960469,"endHours":17.224993228908634,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:30","end":"09:07","startHours":7.503091313219645,"endHours":9.12340829916781,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.907366034374721,"endHours":9.339450563960899,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.422879989254202,"endHours":6.768547612923144,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:48","startHours":11.931957741477962,"endHours":12.796126800650317,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:01","startHours":4.1544362089267715,"endHours":5.018605268099126,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:53","startHours":4.802563003306037,"endHours":5.8827743272714805,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:23","startHours":14.524464918995026,"endHours":15.38863397816738,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.6453102148568,"endHours":19.045310214856798,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:23","startHours":18.8453102148568,"endHours":19.38541587683952,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.5953102148568,"endHours":20.3453102148568,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:48","startHours":23.931957741477962,"endHours":24.796126800650317,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:53","end":"07:30","startHours":5.8827743272714805,"endHours":7.503091313219645,"quality":"neutral"},{"name":"Labha","start":"07:30","end":"09:07","startHours":7.503091313219645,"endHours":9.12340829916781,"quality":"auspicious"},{"name":"Amṛta","start":"09:07","end":"10:45","startHours":9.12340829916781,"endHours":10.743725285115975,"quality":"auspicious"},{"name":"Kāla","start":"10:45","end":"12:22","startHours":10.743725285115975,"endHours":12.36404227106414,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:59","startHours":12.36404227106414,"endHours":13.984359257012304,"quality":"auspicious"},{"name":"Roga","start":"13:59","end":"15:36","startHours":13.984359257012304,"endHours":15.604676242960469,"quality":"inauspicious"},{"name":"Udveg","start":"15:36","end":"17:13","startHours":15.604676242960469,"endHours":17.224993228908634,"quality":"inauspicious"},{"name":"Chala","start":"17:13","end":"18:51","startHours":17.224993228908634,"endHours":18.8453102148568,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:51","end":"20:13","startHours":18.8453102148568,"endHours":20.224993228908634,"quality":"inauspicious"},{"name":"Udveg","start":"20:13","end":"21:36","startHours":20.224993228908634,"endHours":21.60467624296047,"quality":"inauspicious"},{"name":"Chala","start":"21:36","end":"22:59","startHours":21.60467624296047,"endHours":22.984359257012304,"quality":"neutral"},{"name":"Labha","start":"22:59","end":"00:22","startHours":22.984359257012304,"endHours":24.36404227106414,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"01:45","startHours":24.36404227106414,"endHours":25.743725285115975,"quality":"auspicious"},{"name":"Kāla","start":"01:45","end":"03:07","startHours":25.743725285115975,"endHours":27.12340829916781,"quality":"inauspicious"},{"name":"Śubha","start":"03:07","end":"04:30","startHours":27.12340829916781,"endHours":28.503091313219645,"quality":"auspicious"},{"name":"Roga","start":"04:30","end":"05:53","startHours":28.503091313219645,"endHours":29.88277432727148,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.8827743272714805,"endHours":6.8827743272714805,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.8827743272714805,"endHours":7.8827743272714805,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.8827743272714805,"endHours":8.88277432727148,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.88277432727148,"endHours":9.88277432727148,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.88277432727148,"endHours":10.88277432727148,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.88277432727148,"endHours":11.88277432727148,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.88277432727148,"endHours":12.88277432727148,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.88277432727148,"endHours":13.88277432727148,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.88277432727148,"endHours":14.88277432727148,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.88277432727148,"endHours":15.88277432727148,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.88277432727148,"endHours":16.88277432727148,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.88277432727148,"endHours":17.88277432727148,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.88277432727148,"endHours":18.88277432727148,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.88277432727148,"endHours":19.88277432727148,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.88277432727148,"endHours":20.88277432727148,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.88277432727148,"endHours":21.88277432727148,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.88277432727148,"endHours":22.88277432727148,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.88277432727148,"endHours":23.88277432727148,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.88277432727148,"endHours":24.88277432727148,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.88277432727148,"endHours":25.88277432727148,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.88277432727148,"endHours":26.88277432727148,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.88277432727148,"endHours":27.88277432727148,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.88277432727148,"endHours":28.88277432727148,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.88277432727148,"endHours":29.88277432727148,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.821276497214326,"eotMinutes":-2.537336263848294,"ayanamsa":23.82}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Caturthī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 22, 1997 CE · Mathurā · Vidhyamitra","description":"August 22, 1997 CE for Mathurā: Kṛṣṇa Caturthī, sūryodaya 05:53, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1997-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1997-08-22","sa":"https://sa.vidhyamitra.com/city/mathura/1997-08-22","hi":"https://hi.vidhyamitra.com/city/mathura/1997-08-22","x-default":"https://vidhyamitra.com/city/mathura/1997-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:12:51.479Z","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":"2026-05-14T20:12:51.479Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:12:51.479Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}