{"id":"vidhyamitra:city-day:lucknow:2012-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2012-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-13","date_display":"September 13, 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":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456183.770833,"kali_year":5114,"ahargana":1867718.2708,"sun":{"sidereal_longitude":145.875,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":107.2193,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.3442,"elapsed_within_tithi_degrees":9.3442},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.2193,"elapsed_within_degrees":0.5526},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.0943},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456183.770833,"ahargana":1867718.2708,"kali_year":5114,"ayanamsa_lahiri":24.0304,"grahas":{"sun":{"sidereal_longitude":146.628575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":107.881575,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-4.1694},"mars":{"sidereal_longitude":199.19107499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":148.64977499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.26867500000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":102.79737499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":183.14977499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":219.2979,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.2979,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456183.770833,"kali_year":5114,"ahargana":1867718.2708,"sun":{"sidereal_longitude":145.875,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":107.2193,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.3442,"elapsed_within_tithi_degrees":9.3442},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.2193,"elapsed_within_degrees":0.5526},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.0943},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.169,"elongation":38.656},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.169,"opposition_distance":141.344}},"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":"05:50","sunsetLocal":"18:13","solarNoonLocal":"12:01","dayLengthHours":12.37503602162699,"dayLengthDisplay":"12 Hours 22 Mins 30 Secs","nightLengthDisplay":"11 Hours 37 Mins 30 Secs","moonriseLocal":"02:48","moonsetLocal":"16:05","rahuKala":{"name":"Rāhu Kāla","start":"13:34","end":"15:07","startHours":13.571234987205607,"endHours":15.11811448990898,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:50","end":"07:23","startHours":5.836837473688738,"endHours":7.383716976392112,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:56","end":"10:29","startHours":8.930596479095485,"endHours":10.47747598179886,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:08","startHours":8.724345878735036,"endHours":9.136847079455935,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:41","startHours":6.352463974589862,"endHours":6.682464935166582,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:26","startHours":11.611854283781334,"endHours":12.436856685223134,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:01","startHours":4.186832670805139,"endHours":5.011835072246939,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:50","startHours":4.805584471886489,"endHours":5.836837473688738,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:55","startHours":14.086861488106731,"endHours":14.91186388954853,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.01187349531573,"endHours":18.411873495315728,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:44","startHours":18.21187349531573,"endHours":18.727499996216853,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.96187349531573,"endHours":19.71187349531573,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:26","startHours":23.611854283781334,"endHours":24.436856685223134,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:50","end":"07:23","startHours":5.836837473688738,"endHours":7.383716976392112,"quality":"auspicious"},{"name":"Roga","start":"07:23","end":"08:56","startHours":7.383716976392112,"endHours":8.930596479095485,"quality":"inauspicious"},{"name":"Udveg","start":"08:56","end":"10:29","startHours":8.930596479095485,"endHours":10.47747598179886,"quality":"inauspicious"},{"name":"Chala","start":"10:29","end":"12:01","startHours":10.47747598179886,"endHours":12.024355484502234,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:34","startHours":12.024355484502234,"endHours":13.571234987205607,"quality":"auspicious"},{"name":"Amṛta","start":"13:34","end":"15:07","startHours":13.571234987205607,"endHours":15.11811448990898,"quality":"auspicious"},{"name":"Kāla","start":"15:07","end":"16:40","startHours":15.11811448990898,"endHours":16.664993992612356,"quality":"inauspicious"},{"name":"Śubha","start":"16:40","end":"18:13","startHours":16.664993992612356,"endHours":18.21187349531573,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:13","end":"19:40","startHours":18.21187349531573,"endHours":19.664993992612356,"quality":"auspicious"},{"name":"Kāla","start":"19:40","end":"21:07","startHours":19.664993992612356,"endHours":21.118114489908983,"quality":"inauspicious"},{"name":"Śubha","start":"21:07","end":"22:34","startHours":21.118114489908983,"endHours":22.571234987205607,"quality":"auspicious"},{"name":"Roga","start":"22:34","end":"00:01","startHours":22.571234987205607,"endHours":24.024355484502234,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:29","startHours":24.024355484502234,"endHours":25.47747598179886,"quality":"inauspicious"},{"name":"Chala","start":"01:29","end":"02:56","startHours":25.47747598179886,"endHours":26.930596479095485,"quality":"neutral"},{"name":"Labha","start":"02:56","end":"04:23","startHours":26.930596479095485,"endHours":28.38371697639211,"quality":"auspicious"},{"name":"Amṛta","start":"04:23","end":"05:50","startHours":28.38371697639211,"endHours":29.83683747368874,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.836837473688738,"endHours":6.836837473688738,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.836837473688738,"endHours":7.836837473688738,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.836837473688738,"endHours":8.836837473688739,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.836837473688739,"endHours":9.836837473688739,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.836837473688739,"endHours":10.836837473688739,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.836837473688739,"endHours":11.836837473688739,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.836837473688739,"endHours":12.836837473688739,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.836837473688739,"endHours":13.836837473688739,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.836837473688739,"endHours":14.836837473688739,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.836837473688739,"endHours":15.836837473688739,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.836837473688739,"endHours":16.83683747368874,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.83683747368874,"endHours":17.83683747368874,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.83683747368874,"endHours":18.83683747368874,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.83683747368874,"endHours":19.83683747368874,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.83683747368874,"endHours":20.83683747368874,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.83683747368874,"endHours":21.83683747368874,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.83683747368874,"endHours":22.83683747368874,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.83683747368874,"endHours":23.83683747368874,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.83683747368874,"endHours":24.83683747368874,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.83683747368874,"endHours":25.83683747368874,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.83683747368874,"endHours":26.83683747368874,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.83683747368874,"endHours":27.83683747368874,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.83683747368874,"endHours":28.83683747368874,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.83683747368874,"endHours":29.83683747368874,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"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":3.7013666254339337,"eotMinutes":4.753870929866006,"ayanamsa":24.0304}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 September 13, 2012 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"September 13, 2012 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Dvādaśī, sūryodaya 05:50, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2012-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2012-09-13","sa":"https://sa.vidhyamitra.com/city/lucknow/2012-09-13","hi":"https://hi.vidhyamitra.com/city/lucknow/2012-09-13","x-default":"https://vidhyamitra.com/city/lucknow/2012-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T03:33:57.346Z","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":"2026-05-16T03:33:57.346Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T03:33:57.346Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}