{"id":"vidhyamitra:city-day:lucknow:2012-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2012-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-20","date_display":"February 20, 2012 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":2012,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455977.770833,"kali_year":5113,"ahargana":1867512.2708,"sun":{"sidereal_longitude":306.8635,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":285.1259,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.2624,"elapsed_within_tithi_degrees":2.2624},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.1259,"elapsed_within_degrees":5.1259},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.9894},"karana":{"half_tithi_index":56,"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":2012,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455977.770833,"ahargana":1867512.2708,"kali_year":5113,"ayanamsa_lahiri":24.0225,"grahas":{"sun":{"sidereal_longitude":306.772746,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":283.94054600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":3.681},"mars":{"sidereal_longitude":144.19054600000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":316.76964599999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":11.119946000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":349.551746,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":185.09584599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":230.2128,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.2128,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455977.770833,"kali_year":5113,"ahargana":1867512.2708,"sun":{"sidereal_longitude":306.8635,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":285.1259,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.2624,"elapsed_within_tithi_degrees":2.2624},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.1259,"elapsed_within_degrees":5.1259},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.9894},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.681,"elongation":21.738},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.681,"opposition_distance":158.262}},"eclipse_window_40days":[]},"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":"06:40","sunsetLocal":"18:01","solarNoonLocal":"12:20","dayLengthHours":11.36119316116831,"dayLengthDisplay":"11 Hours 21 Mins 40 Secs","nightLengthDisplay":"12 Hours 38 Mins 20 Secs","moonriseLocal":"05:25","moonsetLocal":"16:13","rahuKala":{"name":"Rāhu Kāla","start":"08:05","end":"09:30","startHours":8.081194981973919,"endHours":9.501344127119957,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:55","end":"12:20","startHours":10.921493272265996,"endHours":12.341642417412036,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:46","end":"15:11","startHours":13.761791562558074,"endHours":15.181940707704113,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.311990907767152,"endHours":9.690697346472763,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.134428885209893,"endHours":7.437394036174381,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:43","startHours":11.962935978706426,"endHours":12.720348856117646,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:09","end":"05:54","startHours":5.1462200820054385,"endHours":5.903632959416659,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:40","startHours":5.714279740063853,"endHours":6.6610458368278795,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:00","startHours":14.235174610940087,"endHours":14.992587488351308,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.82223899799619,"endHours":18.22223899799619,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:30","startHours":18.02223899799619,"endHours":18.4956220463782,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.77223899799619,"endHours":19.52223899799619,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:43","startHours":23.962935978706426,"endHours":24.720348856117646,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:40","end":"08:05","startHours":6.6610458368278795,"endHours":8.081194981973919,"quality":"auspicious"},{"name":"Kāla","start":"08:05","end":"09:30","startHours":8.081194981973919,"endHours":9.501344127119957,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"10:55","startHours":9.501344127119957,"endHours":10.921493272265996,"quality":"auspicious"},{"name":"Roga","start":"10:55","end":"12:20","startHours":10.921493272265996,"endHours":12.341642417412036,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:46","startHours":12.341642417412036,"endHours":13.761791562558074,"quality":"inauspicious"},{"name":"Chala","start":"13:46","end":"15:11","startHours":13.761791562558074,"endHours":15.181940707704113,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:36","startHours":15.181940707704113,"endHours":16.60208985285015,"quality":"auspicious"},{"name":"Amṛta","start":"16:36","end":"18:01","startHours":16.60208985285015,"endHours":18.02223899799619,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:01","end":"19:36","startHours":18.02223899799619,"endHours":19.602089852850153,"quality":"neutral"},{"name":"Labha","start":"19:36","end":"21:11","startHours":19.602089852850153,"endHours":21.18194070770411,"quality":"auspicious"},{"name":"Amṛta","start":"21:11","end":"22:46","startHours":21.18194070770411,"endHours":22.761791562558074,"quality":"auspicious"},{"name":"Kāla","start":"22:46","end":"00:20","startHours":22.761791562558074,"endHours":24.341642417412036,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:55","startHours":24.341642417412036,"endHours":25.921493272265998,"quality":"auspicious"},{"name":"Roga","start":"01:55","end":"03:30","startHours":25.921493272265998,"endHours":27.501344127119957,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"05:05","startHours":27.501344127119957,"endHours":29.08119498197392,"quality":"inauspicious"},{"name":"Chala","start":"05:05","end":"06:40","startHours":29.08119498197392,"endHours":30.66104583682788,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.6610458368278795,"endHours":7.6610458368278795,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.6610458368278795,"endHours":8.66104583682788,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.66104583682788,"endHours":9.66104583682788,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.66104583682788,"endHours":10.66104583682788,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.66104583682788,"endHours":11.66104583682788,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.66104583682788,"endHours":12.66104583682788,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.66104583682788,"endHours":13.66104583682788,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.66104583682788,"endHours":14.66104583682788,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.66104583682788,"endHours":15.66104583682788,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.66104583682788,"endHours":16.66104583682788,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.66104583682788,"endHours":17.66104583682788,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.66104583682788,"endHours":18.66104583682788,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.66104583682788,"endHours":19.66104583682788,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.66104583682788,"endHours":20.66104583682788,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.66104583682788,"endHours":21.66104583682788,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.66104583682788,"endHours":22.66104583682788,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.66104583682788,"endHours":23.66104583682788,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.66104583682788,"endHours":24.66104583682788,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.66104583682788,"endHours":25.66104583682788,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.66104583682788,"endHours":26.66104583682788,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.66104583682788,"endHours":27.66104583682788,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.66104583682788,"endHours":28.66104583682788,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.66104583682788,"endHours":29.66104583682788,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.66104583682788,"endHours":30.66104583682788,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.190192174295396,"eotMinutes":-14.28334504472219,"ayanamsa":24.0225}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Caturdaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"maha-shivaratri","name":"Mahā Śivarātri","name_sanskrit":"महा शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"The greatest night of Lord Śiva; cosmic dance of dissolution.","vrata":true,"primary_observance":"Strict fast + night-long vigil + 4-yāma pūjā","detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":1},{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"maha-shivaratri-walk","name":"Mahā Śivarātri Walk","name_sanskrit":"महा शिवरात्रि यात्रा","type":"festival","description":"Śiva-stuti through Bhāgavata + Mahābhārata Anuśāsana.","step_count":12,"url":"/walk/maha-shivaratri-walk"},"reason":"Today is Mahā Śivarātri — its dedicated 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 20, 2012 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"February 20, 2012 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Caturdaśī, sūryodaya 06:40, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2012-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2012-02-20","sa":"https://sa.vidhyamitra.com/city/lucknow/2012-02-20","hi":"https://hi.vidhyamitra.com/city/lucknow/2012-02-20","x-default":"https://vidhyamitra.com/city/lucknow/2012-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T12:30:18.222Z","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":"2026-05-17T12:30:18.222Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T12:30:18.222Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}