{"id":"vidhyamitra:city-day:lucknow:1997-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/1997-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-20","date_display":"August 20, 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":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450680.770833,"kali_year":5099,"ahargana":1862215.2708,"sun":{"sidereal_longitude":122.6205,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":323.0909,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.4705,"elapsed_within_tithi_degrees":8.4705},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.0909,"elapsed_within_degrees":3.0909},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7114},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450680.770833,"ahargana":1862215.2708,"kali_year":5099,"ayanamsa_lahiri":23.8199,"grahas":{"sun":{"sidereal_longitude":123.25223,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":325.59383,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":0.6087},"mars":{"sidereal_longitude":189.73002999999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":142.36963000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":291.84493,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":159.10103000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":356.20693,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":150.8733,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.8733,"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":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450680.770833,"kali_year":5099,"ahargana":1862215.2708,"sun":{"sidereal_longitude":122.6205,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":323.0909,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.4705,"elapsed_within_tithi_degrees":8.4705},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.0909,"elapsed_within_degrees":3.0909},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7114},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.609,"elongation":159.53},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.609,"opposition_distance":20.47}},"eclipse_window_40days":[{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":-1.043,"elongation":1.659}]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:40","sunsetLocal":"18:39","solarNoonLocal":"12:09","dayLengthHours":12.986484252504916,"dayLengthDisplay":"12 Hours 59 Mins 11 Secs","nightLengthDisplay":"11 Hours 00 Mins 49 Secs","moonriseLocal":"19:45","moonsetLocal":"07:33","rahuKala":{"name":"Rāhu Kāla","start":"12:09","end":"13:47","startHours":12.15442018184217,"endHours":13.777730713405283,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:17","end":"08:54","startHours":7.284488587152827,"endHours":8.907799118715943,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:32","end":"12:09","startHours":10.531109650279056,"endHours":12.15442018184217,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:07","startHours":8.691357714507527,"endHours":9.124240522924357,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:33","startHours":6.202281566110751,"endHours":6.548587812844215,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:35","startHours":11.72153737342534,"endHours":12.587302990259,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:56","end":"04:48","startHours":3.9296468219223906,"endHours":4.795412438756052,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:35","end":"05:40","startHours":4.578971034547637,"endHours":5.661178055589713,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:11","startHours":14.318834223926324,"endHours":15.184599840759985,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.44766230809463,"endHours":18.847662308094627,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:11","startHours":18.647662308094628,"endHours":19.188765818615664,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.397662308094628,"endHours":20.147662308094628,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:35","startHours":23.72153737342534,"endHours":24.587302990259,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:40","end":"07:17","startHours":5.661178055589713,"endHours":7.284488587152827,"quality":"auspicious"},{"name":"Amṛta","start":"07:17","end":"08:54","startHours":7.284488587152827,"endHours":8.907799118715943,"quality":"auspicious"},{"name":"Kāla","start":"08:54","end":"10:32","startHours":8.907799118715943,"endHours":10.531109650279056,"quality":"inauspicious"},{"name":"Śubha","start":"10:32","end":"12:09","startHours":10.531109650279056,"endHours":12.15442018184217,"quality":"auspicious"},{"name":"Roga","start":"12:09","end":"13:47","startHours":12.15442018184217,"endHours":13.777730713405283,"quality":"inauspicious"},{"name":"Udveg","start":"13:47","end":"15:24","startHours":13.777730713405283,"endHours":15.4010412449684,"quality":"inauspicious"},{"name":"Chala","start":"15:24","end":"17:01","startHours":15.4010412449684,"endHours":17.024351776531514,"quality":"neutral"},{"name":"Labha","start":"17:01","end":"18:39","startHours":17.024351776531514,"endHours":18.647662308094628,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:39","end":"20:01","startHours":18.647662308094628,"endHours":20.024351776531514,"quality":"inauspicious"},{"name":"Chala","start":"20:01","end":"21:24","startHours":20.024351776531514,"endHours":21.401041244968397,"quality":"neutral"},{"name":"Labha","start":"21:24","end":"22:47","startHours":21.401041244968397,"endHours":22.777730713405283,"quality":"auspicious"},{"name":"Amṛta","start":"22:47","end":"00:09","startHours":22.777730713405283,"endHours":24.15442018184217,"quality":"auspicious"},{"name":"Kāla","start":"00:09","end":"01:32","startHours":24.15442018184217,"endHours":25.531109650279056,"quality":"inauspicious"},{"name":"Śubha","start":"01:32","end":"02:54","startHours":25.531109650279056,"endHours":26.907799118715943,"quality":"auspicious"},{"name":"Roga","start":"02:54","end":"04:17","startHours":26.907799118715943,"endHours":28.284488587152826,"quality":"inauspicious"},{"name":"Udveg","start":"04:17","end":"05:40","startHours":28.284488587152826,"endHours":29.661178055589712,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.661178055589713,"endHours":6.661178055589713,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.661178055589713,"endHours":7.661178055589713,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.661178055589713,"endHours":8.661178055589712,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.661178055589712,"endHours":9.661178055589712,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.661178055589712,"endHours":10.661178055589712,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.661178055589712,"endHours":11.661178055589712,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.661178055589712,"endHours":12.661178055589712,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.661178055589712,"endHours":13.661178055589712,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.661178055589712,"endHours":14.661178055589712,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.661178055589712,"endHours":15.661178055589712,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.661178055589712,"endHours":16.661178055589712,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.661178055589712,"endHours":17.661178055589712,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.661178055589712,"endHours":18.661178055589712,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.661178055589712,"endHours":19.661178055589712,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.661178055589712,"endHours":20.661178055589712,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.661178055589712,"endHours":21.661178055589712,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.661178055589712,"endHours":22.661178055589712,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.661178055589712,"endHours":23.661178055589712,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.661178055589712,"endHours":24.661178055589712,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.661178055589712,"endHours":25.661178055589712,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.661178055589712,"endHours":26.661178055589712,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.661178055589712,"endHours":27.661178055589712,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.661178055589712,"endHours":28.661178055589712,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.661178055589712,"endHours":29.661178055589712,"planetary_lord":"Sun"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.485968901251406,"eotMinutes":-3.0500109105302213,"ayanamsa":23.8199}},"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","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvitīyā · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 20, 1997 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"August 20, 1997 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Dvitīyā, sūryodaya 05:40, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/1997-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/1997-08-20","sa":"https://sa.vidhyamitra.com/city/lucknow/1997-08-20","hi":"https://hi.vidhyamitra.com/city/lucknow/1997-08-20","x-default":"https://vidhyamitra.com/city/lucknow/1997-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:21:28.209Z","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":"2026-05-31T19:21:28.209Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:21:28.209Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}