{"id":"vidhyamitra:city-day:lucknow:2012-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2012-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-01-13","date_display":"January 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":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455939.770833,"kali_year":5113,"ahargana":1867474.2708,"sun":{"sidereal_longitude":268.0531,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":134.243,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.1899,"elapsed_within_tithi_degrees":10.1899},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.243,"elapsed_within_degrees":0.9096},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.2961},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455939.770833,"ahargana":1867474.2708,"kali_year":5113,"ayanamsa_lahiri":24.0211,"grahas":{"sun":{"sidereal_longitude":268.215598,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":134.768798,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":-4.4563},"mars":{"sidereal_longitude":148.143098,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":252.82049800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":6.746697999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":304.35669800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":184.652198,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":232.2262,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":52.2262,"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":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455939.770833,"kali_year":5113,"ahargana":1867474.2708,"sun":{"sidereal_longitude":268.0531,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":134.243,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.1899,"elapsed_within_tithi_degrees":10.1899},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.243,"elapsed_within_degrees":0.9096},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.2961},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.456,"elongation":133.81},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.456,"opposition_distance":46.19}},"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":"06:57","sunsetLocal":"17:33","solarNoonLocal":"12:15","dayLengthHours":10.594874068222978,"dayLengthDisplay":"10 Hours 35 Mins 42 Secs","nightLengthDisplay":"13 Hours 24 Mins 18 Secs","moonriseLocal":"21:02","moonsetLocal":"09:41","rahuKala":{"name":"Rāhu Kāla","start":"10:55","end":"12:15","startHours":10.923159599661691,"endHours":12.247518858189562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:54","end":"16:13","startHours":14.896237375245306,"endHours":16.22059663377318,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:16","end":"09:36","startHours":8.274441082605946,"endHours":9.598800341133817,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.422219106663434,"endHours":9.7753815756042,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:40","startHours":7.39153491025403,"endHours":7.6740648854066436,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:36","startHours":11.894356389248795,"endHours":12.600681327130328,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:15","startHours":5.537431948315009,"endHours":6.243756886196541,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"06:57","startHours":6.067175651726158,"endHours":6.950081824078073,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:43","startHours":14.013331202893392,"endHours":14.719656140774923,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.34495589230105,"endHours":17.74495589230105,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"17:59","startHours":17.54495589230105,"endHours":17.98640897847701,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.29495589230105,"endHours":19.04495589230105,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:36","startHours":23.894356389248795,"endHours":24.600681327130328,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:57","end":"08:16","startHours":6.950081824078073,"endHours":8.274441082605946,"quality":"neutral"},{"name":"Labha","start":"08:16","end":"09:36","startHours":8.274441082605946,"endHours":9.598800341133817,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"10:55","startHours":9.598800341133817,"endHours":10.923159599661691,"quality":"auspicious"},{"name":"Kāla","start":"10:55","end":"12:15","startHours":10.923159599661691,"endHours":12.247518858189562,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:34","startHours":12.247518858189562,"endHours":13.571878116717436,"quality":"auspicious"},{"name":"Roga","start":"13:34","end":"14:54","startHours":13.571878116717436,"endHours":14.896237375245306,"quality":"inauspicious"},{"name":"Udveg","start":"14:54","end":"16:13","startHours":14.896237375245306,"endHours":16.22059663377318,"quality":"inauspicious"},{"name":"Chala","start":"16:13","end":"17:33","startHours":16.22059663377318,"endHours":17.54495589230105,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:33","end":"19:13","startHours":17.54495589230105,"endHours":19.220596633773177,"quality":"inauspicious"},{"name":"Udveg","start":"19:13","end":"20:54","startHours":19.220596633773177,"endHours":20.896237375245306,"quality":"inauspicious"},{"name":"Chala","start":"20:54","end":"22:34","startHours":20.896237375245306,"endHours":22.571878116717436,"quality":"neutral"},{"name":"Labha","start":"22:34","end":"00:15","startHours":22.571878116717436,"endHours":24.24751885818956,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:55","startHours":24.24751885818956,"endHours":25.923159599661687,"quality":"auspicious"},{"name":"Kāla","start":"01:55","end":"03:36","startHours":25.923159599661687,"endHours":27.598800341133817,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:16","startHours":27.598800341133817,"endHours":29.274441082605946,"quality":"auspicious"},{"name":"Roga","start":"05:16","end":"06:57","startHours":29.274441082605946,"endHours":30.950081824078072,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.950081824078073,"endHours":7.950081824078073,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.950081824078073,"endHours":8.950081824078072,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.950081824078072,"endHours":9.950081824078072,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.950081824078072,"endHours":10.950081824078072,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.950081824078072,"endHours":11.950081824078072,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.950081824078072,"endHours":12.950081824078072,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.950081824078072,"endHours":13.950081824078072,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.950081824078072,"endHours":14.950081824078072,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.950081824078072,"endHours":15.950081824078072,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.950081824078072,"endHours":16.950081824078072,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.950081824078072,"endHours":17.950081824078072,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.950081824078072,"endHours":18.950081824078072,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.950081824078072,"endHours":19.950081824078072,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.950081824078072,"endHours":20.950081824078072,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.950081824078072,"endHours":21.950081824078072,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.950081824078072,"endHours":22.950081824078072,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.950081824078072,"endHours":23.950081824078072,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.950081824078072,"endHours":24.950081824078072,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.950081824078072,"endHours":25.950081824078072,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.950081824078072,"endHours":26.950081824078072,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.950081824078072,"endHours":27.950081824078072,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.950081824078072,"endHours":28.950081824078072,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.950081824078072,"endHours":29.950081824078072,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.950081824078072,"endHours":30.950081824078072,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.60171954427987,"eotMinutes":-8.635931491373626,"ayanamsa":24.0211}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 January 13, 2012 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"January 13, 2012 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Caturthī, sūryodaya 06:57, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2012-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2012-01-13","sa":"https://sa.vidhyamitra.com/city/lucknow/2012-01-13","hi":"https://hi.vidhyamitra.com/city/lucknow/2012-01-13","x-default":"https://vidhyamitra.com/city/lucknow/2012-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T22:32:12.979Z","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":"2026-05-15T22:32:12.979Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T22:32:12.979Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}