{"id":"vidhyamitra:city-day:vrindavan:1997-08-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1997-08-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-30","date_display":"August 30, 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":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450690.770833,"kali_year":5099,"ahargana":1862225.2708,"sun":{"sidereal_longitude":132.2237,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":98.6922,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.4685,"elapsed_within_tithi_degrees":2.4685},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6922,"elapsed_within_degrees":5.3589},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.9159},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450690.770833,"ahargana":1862225.2708,"kali_year":5099,"ayanamsa_lahiri":23.8203,"grahas":{"sun":{"sidereal_longitude":132.897648,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":100.611448,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-3.5277},"mars":{"sidereal_longitude":196.09214799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":135.963748,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":290.651348,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":170.93314799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":355.816348,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":150.3435,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.3435,"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":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450690.770833,"kali_year":5099,"ahargana":1862225.2708,"sun":{"sidereal_longitude":132.2237,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":98.6922,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.4685,"elapsed_within_tithi_degrees":2.4685},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6922,"elapsed_within_degrees":5.3589},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.9159},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.528,"elongation":33.531},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.528,"opposition_distance":146.469}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":-1.043,"elongation":1.659}]},"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":"05:57","sunsetLocal":"18:42","solarNoonLocal":"12:20","dayLengthHours":12.762941779754499,"dayLengthDisplay":"12 Hours 45 Mins 47 Secs","nightLengthDisplay":"11 Hours 14 Mins 13 Secs","moonriseLocal":"03:26","moonsetLocal":"16:55","rahuKala":{"name":"Rāhu Kāla","start":"09:08","end":"10:44","startHours":9.134964410707571,"endHours":10.730332133176884,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:31","startHours":13.921067578115508,"endHours":15.51643530058482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:57","end":"07:32","startHours":5.944228965768946,"endHours":7.539596688238259,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:21","startHours":8.92224871437833,"endHours":9.347680107036812,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:49","startHours":6.476018206592051,"endHours":6.816363320718837,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.900268462987713,"endHours":12.751131248304679,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:06","startHours":4.242503395135014,"endHours":5.09336618045198,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:57","startHours":4.8806504841227385,"endHours":5.944228965768946,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:18","startHours":14.452856818938612,"endHours":15.303719604255578,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.507170745523446,"endHours":18.907170745523445,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:14","startHours":18.707170745523445,"endHours":19.23895998634655,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.457170745523445,"endHours":20.207170745523445,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.90026846298771,"endHours":24.75113124830468,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:57","end":"07:32","startHours":5.944228965768946,"endHours":7.539596688238259,"quality":"inauspicious"},{"name":"Śubha","start":"07:32","end":"09:08","startHours":7.539596688238259,"endHours":9.134964410707571,"quality":"auspicious"},{"name":"Roga","start":"09:08","end":"10:44","startHours":9.134964410707571,"endHours":10.730332133176884,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:20","startHours":10.730332133176884,"endHours":12.325699855646196,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:55","startHours":12.325699855646196,"endHours":13.921067578115508,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:31","startHours":13.921067578115508,"endHours":15.51643530058482,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:07","startHours":15.51643530058482,"endHours":17.111803023054133,"quality":"auspicious"},{"name":"Kāla","start":"17:07","end":"18:42","startHours":17.111803023054133,"endHours":18.707170745523445,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:42","end":"20:07","startHours":18.707170745523445,"endHours":20.111803023054133,"quality":"auspicious"},{"name":"Amṛta","start":"20:07","end":"21:31","startHours":20.111803023054133,"endHours":21.51643530058482,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:55","startHours":21.51643530058482,"endHours":22.921067578115508,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:20","startHours":22.921067578115508,"endHours":24.325699855646196,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:44","startHours":24.325699855646196,"endHours":25.730332133176884,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:08","startHours":25.730332133176884,"endHours":27.13496441070757,"quality":"inauspicious"},{"name":"Chala","start":"03:08","end":"04:32","startHours":27.13496441070757,"endHours":28.53959668823826,"quality":"neutral"},{"name":"Labha","start":"04:32","end":"05:57","startHours":28.53959668823826,"endHours":29.944228965768946,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.944228965768946,"endHours":6.944228965768946,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.944228965768946,"endHours":7.944228965768946,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.944228965768946,"endHours":8.944228965768946,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.944228965768946,"endHours":9.944228965768946,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.944228965768946,"endHours":10.944228965768946,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.944228965768946,"endHours":11.944228965768946,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.944228965768946,"endHours":12.944228965768946,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.944228965768946,"endHours":13.944228965768946,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.944228965768946,"endHours":14.944228965768946,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.944228965768946,"endHours":15.944228965768946,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.944228965768946,"endHours":16.944228965768946,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.944228965768946,"endHours":17.944228965768946,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.944228965768946,"endHours":18.944228965768946,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.944228965768946,"endHours":19.944228965768946,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.944228965768946,"endHours":20.944228965768946,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.944228965768946,"endHours":21.944228965768946,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.944228965768946,"endHours":22.944228965768946,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.944228965768946,"endHours":23.944228965768946,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.944228965768946,"endHours":24.944228965768946,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.944228965768946,"endHours":25.944228965768946,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.944228965768946,"endHours":26.944228965768946,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.944228965768946,"endHours":27.944228965768946,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.944228965768946,"endHours":28.944228965768946,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.944228965768946,"endHours":29.944228965768946,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.044808753736374,"eotMinutes":-0.17919133877174764,"ayanamsa":23.8203}},"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 Trayodaśī · 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":"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 30, 1997 CE · Vṛndāvana · Vidhyamitra","description":"August 30, 1997 CE for Vṛndāvana: Kṛṣṇa Trayodaśī, sūryodaya 05:57, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1997-08-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1997-08-30","sa":"https://sa.vidhyamitra.com/city/vrindavan/1997-08-30","hi":"https://hi.vidhyamitra.com/city/vrindavan/1997-08-30","x-default":"https://vidhyamitra.com/city/vrindavan/1997-08-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T04:48:23.150Z","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":"2026-05-17T04:48:23.150Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T04:48:23.150Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}