{"id":"vidhyamitra:city-day:lucknow:2011-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2011-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-13","date_display":"April 13, 2011 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":2011,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455664.770833,"kali_year":5112,"ahargana":1867199.2708,"sun":{"sidereal_longitude":358.8772,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":111.7728,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.8956,"elapsed_within_tithi_degrees":4.8956},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.7728,"elapsed_within_degrees":5.1062},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.6501},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":2011,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455664.770833,"ahargana":1867199.2708,"kali_year":5112,"ayanamsa_lahiri":24.0106,"grahas":{"sun":{"sidereal_longitude":358.765705,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":108.32250499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-3.179},"mars":{"sidereal_longitude":344.230005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":353.143005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":353.99530500000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":326.03410499999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":168.93670499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":246.797,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":66.797,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"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":2011,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455664.770833,"kali_year":5112,"ahargana":1867199.2708,"sun":{"sidereal_longitude":358.8772,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":111.7728,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.8956,"elapsed_within_tithi_degrees":4.8956},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.7728,"elapsed_within_degrees":5.1062},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.6501},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.179,"elongation":112.896},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.179,"opposition_distance":67.104}},"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":"05:45","sunsetLocal":"18:29","solarNoonLocal":"12:07","dayLengthHours":12.729666922715413,"dayLengthDisplay":"12 Hours 43 Mins 47 Secs","nightLengthDisplay":"11 Hours 16 Mins 13 Secs","moonriseLocal":"12:47","moonsetLocal":"02:04","rahuKala":{"name":"Rāhu Kāla","start":"12:07","end":"13:42","startHours":12.116416847161737,"endHours":13.707625212501164,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:21","end":"08:56","startHours":7.342791751143459,"endHours":8.934000116482885,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:32","end":"12:07","startHours":10.525208481822311,"endHours":12.116416847161737,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:09","startHours":8.721839001104295,"endHours":9.146161231861475,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.281986174250507,"endHours":6.6214439588562515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:32","startHours":11.692094616404558,"endHours":12.54073907791892,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:54","startHours":4.05429446277531,"endHours":4.90293892428967,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:45","startHours":4.69077780891108,"endHours":5.7515833858040315,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:05","startHours":14.23802800094764,"endHours":15.086672462462001,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.281250308519446,"endHours":18.681250308519445,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:01","startHours":18.481250308519446,"endHours":19.011653096965922,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.231250308519446,"endHours":19.981250308519446,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:32","startHours":23.692094616404557,"endHours":24.540739077918918,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:45","end":"07:21","startHours":5.7515833858040315,"endHours":7.342791751143459,"quality":"auspicious"},{"name":"Amṛta","start":"07:21","end":"08:56","startHours":7.342791751143459,"endHours":8.934000116482885,"quality":"auspicious"},{"name":"Kāla","start":"08:56","end":"10:32","startHours":8.934000116482885,"endHours":10.525208481822311,"quality":"inauspicious"},{"name":"Śubha","start":"10:32","end":"12:07","startHours":10.525208481822311,"endHours":12.116416847161737,"quality":"auspicious"},{"name":"Roga","start":"12:07","end":"13:42","startHours":12.116416847161737,"endHours":13.707625212501164,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:18","startHours":13.707625212501164,"endHours":15.298833577840593,"quality":"inauspicious"},{"name":"Chala","start":"15:18","end":"16:53","startHours":15.298833577840593,"endHours":16.89004194318002,"quality":"neutral"},{"name":"Labha","start":"16:53","end":"18:29","startHours":16.89004194318002,"endHours":18.481250308519446,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:29","end":"19:53","startHours":18.481250308519446,"endHours":19.89004194318002,"quality":"inauspicious"},{"name":"Chala","start":"19:53","end":"21:18","startHours":19.89004194318002,"endHours":21.298833577840593,"quality":"neutral"},{"name":"Labha","start":"21:18","end":"22:42","startHours":21.298833577840593,"endHours":22.707625212501164,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:07","startHours":22.707625212501164,"endHours":24.116416847161737,"quality":"auspicious"},{"name":"Kāla","start":"00:07","end":"01:32","startHours":24.116416847161737,"endHours":25.52520848182231,"quality":"inauspicious"},{"name":"Śubha","start":"01:32","end":"02:56","startHours":25.52520848182231,"endHours":26.934000116482885,"quality":"auspicious"},{"name":"Roga","start":"02:56","end":"04:21","startHours":26.934000116482885,"endHours":28.34279175114346,"quality":"inauspicious"},{"name":"Udveg","start":"04:21","end":"05:45","startHours":28.34279175114346,"endHours":29.751583385804032,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.7515833858040315,"endHours":6.7515833858040315,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.7515833858040315,"endHours":7.7515833858040315,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.7515833858040315,"endHours":8.751583385804032,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.751583385804032,"endHours":9.751583385804032,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.751583385804032,"endHours":10.751583385804032,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.751583385804032,"endHours":11.751583385804032,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.751583385804032,"endHours":12.751583385804032,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.751583385804032,"endHours":13.751583385804032,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.751583385804032,"endHours":14.751583385804032,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.751583385804032,"endHours":15.751583385804032,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.751583385804032,"endHours":16.751583385804032,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.751583385804032,"endHours":17.751583385804032,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.751583385804032,"endHours":18.751583385804032,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.751583385804032,"endHours":19.751583385804032,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.751583385804032,"endHours":20.751583385804032,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.751583385804032,"endHours":21.751583385804032,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.751583385804032,"endHours":22.751583385804032,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.751583385804032,"endHours":23.751583385804032,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.751583385804032,"endHours":24.751583385804032,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.751583385804032,"endHours":25.751583385804032,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.751583385804032,"endHours":26.751583385804032,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.751583385804032,"endHours":27.751583385804032,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.751583385804032,"endHours":28.751583385804032,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.751583385804032,"endHours":29.751583385804032,"planetary_lord":"Sun"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":8.85740563691356,"eotMinutes":-0.7698108297043191,"ayanamsa":24.0106}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Daśamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"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 April 13, 2011 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"April 13, 2011 CE for Lucknow, Uttar Pradesh: Śukla Daśamī, sūryodaya 05:45, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2011-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2011-04-13","sa":"https://sa.vidhyamitra.com/city/lucknow/2011-04-13","hi":"https://hi.vidhyamitra.com/city/lucknow/2011-04-13","x-default":"https://vidhyamitra.com/city/lucknow/2011-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:54:57.072Z","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":"2026-05-15T17:54:57.072Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:54:57.072Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}