{"id":"vidhyamitra:city-day:lucknow:1997-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/1997-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-18","date_display":"February 18, 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":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450497.770833,"kali_year":5098,"ahargana":1862032.2708,"sun":{"sidereal_longitude":305.7304,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":75.5901,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.8597,"elapsed_within_tithi_degrees":9.8597},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":75.5901,"elapsed_within_degrees":8.9234},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.3204},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450497.770833,"ahargana":1862032.2708,"kali_year":5098,"ayanamsa_lahiri":23.8129,"grahas":{"sun":{"sidereal_longitude":305.609922,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":77.732822,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-4.4827},"mars":{"sidereal_longitude":161.133422,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":289.548722,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":282.60592199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":294.85832200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":341.521022,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":160.5696,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.5696,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"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":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450497.770833,"kali_year":5098,"ahargana":1862032.2708,"sun":{"sidereal_longitude":305.7304,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":75.5901,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.8597,"elapsed_within_tithi_degrees":9.8597},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":75.5901,"elapsed_within_degrees":8.9234},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.3204},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.483,"elongation":129.86},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.483,"opposition_distance":50.14}},"eclipse_window_40days":[{"offset_days":19,"type":"solar","occurs":true,"moon_latitude":1.134,"elongation":0.078}]},"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":"06:41","sunsetLocal":"18:00","solarNoonLocal":"12:21","dayLengthHours":11.32736838585626,"dayLengthDisplay":"11 Hours 19 Mins 39 Secs","nightLengthDisplay":"12 Hours 40 Mins 21 Secs","moonriseLocal":"14:17","moonsetLocal":"04:02","rahuKala":{"name":"Rāhu Kāla","start":"15:11","end":"16:36","startHours":15.176010033337402,"endHours":16.591931081569435,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:31","end":"10:56","startHours":9.512325840409272,"endHours":10.928246888641304,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:21","end":"13:46","startHours":12.344167936873337,"endHours":13.76008898510537,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:42","startHours":9.323536367311666,"endHours":9.701115313506875,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.1524574266892165,"endHours":7.454520583645383,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:43","startHours":11.966588990678128,"endHours":12.721746883068546,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:56","startHours":5.17016795916437,"endHours":5.925325851554788,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:41","startHours":5.736536378457184,"endHours":6.680483743945206,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"14:59","startHours":14.23206266784938,"endHours":14.987220560239798,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.807852129801468,"endHours":18.207852129801466,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:29","startHours":18.007852129801467,"endHours":18.479825812545478,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.757852129801467,"endHours":19.507852129801467,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:43","startHours":23.96658899067813,"endHours":24.721746883068544,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:41","end":"08:06","startHours":6.680483743945206,"endHours":8.096404792177239,"quality":"inauspicious"},{"name":"Udveg","start":"08:06","end":"09:31","startHours":8.096404792177239,"endHours":9.512325840409272,"quality":"inauspicious"},{"name":"Chala","start":"09:31","end":"10:56","startHours":9.512325840409272,"endHours":10.928246888641304,"quality":"neutral"},{"name":"Labha","start":"10:56","end":"12:21","startHours":10.928246888641304,"endHours":12.344167936873337,"quality":"auspicious"},{"name":"Amṛta","start":"12:21","end":"13:46","startHours":12.344167936873337,"endHours":13.76008898510537,"quality":"auspicious"},{"name":"Kāla","start":"13:46","end":"15:11","startHours":13.76008898510537,"endHours":15.176010033337402,"quality":"inauspicious"},{"name":"Śubha","start":"15:11","end":"16:36","startHours":15.176010033337402,"endHours":16.591931081569435,"quality":"auspicious"},{"name":"Roga","start":"16:36","end":"18:00","startHours":16.591931081569435,"endHours":18.007852129801467,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:00","end":"19:36","startHours":18.007852129801467,"endHours":19.591931081569435,"quality":"inauspicious"},{"name":"Śubha","start":"19:36","end":"21:11","startHours":19.591931081569435,"endHours":21.176010033337402,"quality":"auspicious"},{"name":"Roga","start":"21:11","end":"22:46","startHours":21.176010033337402,"endHours":22.76008898510537,"quality":"inauspicious"},{"name":"Udveg","start":"22:46","end":"00:21","startHours":22.76008898510537,"endHours":24.344167936873337,"quality":"inauspicious"},{"name":"Chala","start":"00:21","end":"01:56","startHours":24.344167936873337,"endHours":25.928246888641304,"quality":"neutral"},{"name":"Labha","start":"01:56","end":"03:31","startHours":25.928246888641304,"endHours":27.51232584040927,"quality":"auspicious"},{"name":"Amṛta","start":"03:31","end":"05:06","startHours":27.51232584040927,"endHours":29.09640479217724,"quality":"auspicious"},{"name":"Kāla","start":"05:06","end":"06:41","startHours":29.09640479217724,"endHours":30.680483743945206,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.680483743945206,"endHours":7.680483743945206,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.680483743945206,"endHours":8.680483743945206,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.680483743945206,"endHours":9.680483743945206,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.680483743945206,"endHours":10.680483743945206,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.680483743945206,"endHours":11.680483743945206,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.680483743945206,"endHours":12.680483743945206,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.680483743945206,"endHours":13.680483743945206,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.680483743945206,"endHours":14.680483743945206,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.680483743945206,"endHours":15.680483743945206,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.680483743945206,"endHours":16.680483743945206,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.680483743945206,"endHours":17.680483743945206,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.680483743945206,"endHours":18.680483743945206,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.680483743945206,"endHours":19.680483743945206,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.680483743945206,"endHours":20.680483743945206,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.680483743945206,"endHours":21.680483743945206,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.680483743945206,"endHours":22.680483743945206,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.680483743945206,"endHours":23.680483743945206,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.680483743945206,"endHours":24.680483743945206,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.680483743945206,"endHours":25.680483743945206,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.680483743945206,"endHours":26.680483743945206,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.680483743945206,"endHours":27.680483743945206,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.680483743945206,"endHours":28.680483743945206,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.680483743945206,"endHours":29.680483743945206,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.680483743945206,"endHours":30.680483743945206,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.673005355329813,"eotMinutes":-14.434876212400278,"ayanamsa":23.8129}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ekādaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 18, 1997 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"February 18, 1997 CE for Lucknow, Uttar Pradesh: Śukla Ekādaśī, sūryodaya 06:41, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/1997-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/1997-02-18","sa":"https://sa.vidhyamitra.com/city/lucknow/1997-02-18","hi":"https://hi.vidhyamitra.com/city/lucknow/1997-02-18","x-default":"https://vidhyamitra.com/city/lucknow/1997-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T20:27:23.603Z","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":"2026-06-02T20:27:23.603Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T20:27:23.603Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}