{"id":"vidhyamitra:city-day:lucknow:2147-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2147-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2147-12-13","date_display":"December 13, 2147 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":2147,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505581.770833,"kali_year":5249,"ahargana":1917116.2708,"sun":{"sidereal_longitude":233.9581,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":122.1477,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.1896,"elapsed_within_tithi_degrees":8.1896},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":122.1477,"elapsed_within_degrees":2.1477},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.1058},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2147,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505581.770833,"ahargana":1917116.2708,"kali_year":5249,"ayanamsa_lahiri":25.9197,"grahas":{"sun":{"sidereal_longitude":234.73480800000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":121.021908,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":0.0152},"mars":{"sidereal_longitude":210.24110799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":250.54320800000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":185.55710799999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":271.278908,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":27.027908000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":121.9542,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.9542,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2147,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505581.770833,"kali_year":5249,"ahargana":1917116.2708,"sun":{"sidereal_longitude":233.9581,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":122.1477,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.1896,"elapsed_within_tithi_degrees":8.1896},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":122.1477,"elapsed_within_degrees":2.1477},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.1058},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.015,"elongation":111.81},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.015,"opposition_distance":68.19}},"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":"06:47","sunsetLocal":"17:15","solarNoonLocal":"12:01","dayLengthHours":10.475338247682295,"dayLengthDisplay":"10 Hours 28 Mins 31 Secs","nightLengthDisplay":"13 Hours 31 Mins 29 Secs","moonriseLocal":"21:58","moonsetLocal":"10:55","rahuKala":{"name":"Rāhu Kāla","start":"12:01","end":"13:20","startHours":12.018742495843032,"endHours":13.32815977680332,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:05","end":"09:24","startHours":8.090490652962172,"endHours":9.39990793392246,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:43","end":"12:01","startHours":10.709325214882746,"endHours":12.018742495843032,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:34","startHours":9.225318963127755,"endHours":9.574496904717165,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.217545798988648,"endHours":7.496888152260176,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:22","startHours":11.669564554253622,"endHours":12.367920437432442,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:05","startHours":5.384361605644246,"endHours":6.082717488823066,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:47","startHours":5.908128518028361,"endHours":6.781073372001885,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:28","startHours":13.764632203790082,"endHours":14.462988086968902,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:03","end":"17:27","startHours":17.05641161968418,"endHours":17.45641161968418,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:15","end":"17:42","startHours":17.25641161968418,"endHours":17.69288404667094,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:00","end":"18:45","startHours":17.00641161968418,"endHours":18.75641161968418,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:22","startHours":23.669564554253622,"endHours":24.367920437432442,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:47","end":"08:05","startHours":6.781073372001885,"endHours":8.090490652962172,"quality":"auspicious"},{"name":"Amṛta","start":"08:05","end":"09:24","startHours":8.090490652962172,"endHours":9.39990793392246,"quality":"auspicious"},{"name":"Kāla","start":"09:24","end":"10:43","startHours":9.39990793392246,"endHours":10.709325214882746,"quality":"inauspicious"},{"name":"Śubha","start":"10:43","end":"12:01","startHours":10.709325214882746,"endHours":12.018742495843032,"quality":"auspicious"},{"name":"Roga","start":"12:01","end":"13:20","startHours":12.018742495843032,"endHours":13.32815977680332,"quality":"inauspicious"},{"name":"Udveg","start":"13:20","end":"14:38","startHours":13.32815977680332,"endHours":14.637577057763608,"quality":"inauspicious"},{"name":"Chala","start":"14:38","end":"15:57","startHours":14.637577057763608,"endHours":15.946994338723893,"quality":"neutral"},{"name":"Labha","start":"15:57","end":"17:15","startHours":15.946994338723893,"endHours":17.25641161968418,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:15","end":"18:57","startHours":17.25641161968418,"endHours":18.946994338723893,"quality":"inauspicious"},{"name":"Chala","start":"18:57","end":"20:38","startHours":18.946994338723893,"endHours":20.637577057763608,"quality":"neutral"},{"name":"Labha","start":"20:38","end":"22:20","startHours":20.637577057763608,"endHours":22.328159776803318,"quality":"auspicious"},{"name":"Amṛta","start":"22:20","end":"00:01","startHours":22.328159776803318,"endHours":24.018742495843032,"quality":"auspicious"},{"name":"Kāla","start":"00:01","end":"01:43","startHours":24.018742495843032,"endHours":25.709325214882746,"quality":"inauspicious"},{"name":"Śubha","start":"01:43","end":"03:24","startHours":25.709325214882746,"endHours":27.399907933922456,"quality":"auspicious"},{"name":"Roga","start":"03:24","end":"05:05","startHours":27.399907933922456,"endHours":29.09049065296217,"quality":"inauspicious"},{"name":"Udveg","start":"05:05","end":"06:47","startHours":29.09049065296217,"endHours":30.781073372001885,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.781073372001885,"endHours":7.781073372001885,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.781073372001885,"endHours":8.781073372001885,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.781073372001885,"endHours":9.781073372001885,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.781073372001885,"endHours":10.781073372001885,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.781073372001885,"endHours":11.781073372001885,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.781073372001885,"endHours":12.781073372001885,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.781073372001885,"endHours":13.781073372001885,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.781073372001885,"endHours":14.781073372001885,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.781073372001885,"endHours":15.781073372001885,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.781073372001885,"endHours":16.781073372001885,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.781073372001885,"endHours":17.781073372001885,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.781073372001885,"endHours":18.781073372001885,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.781073372001885,"endHours":19.781073372001885,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.781073372001885,"endHours":20.781073372001885,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.781073372001885,"endHours":21.781073372001885,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.781073372001885,"endHours":22.781073372001885,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.781073372001885,"endHours":23.781073372001885,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.781073372001885,"endHours":24.781073372001885,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.781073372001885,"endHours":25.781073372001885,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.781073372001885,"endHours":26.781073372001885,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.781073372001885,"endHours":27.781073372001885,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.781073372001885,"endHours":28.781073372001885,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.781073372001885,"endHours":29.781073372001885,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.781073372001885,"endHours":30.781073372001885,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.107243234083068,"eotMinutes":5.090650249418121,"ayanamsa":25.9197}},"calendars":{"vikram_samvat":2204,"vikram_samvatsara":"Raudra","saka_samvat":2069,"saka_samvatsara":"Plavaṅga","bengali_samvat":1554,"malayalam_era":1323,"nanakshahi_year":678,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 2204 Raudra · Śaka 2069 Plavaṅga"},"festivals":[],"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 December 13, 2147 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"December 13, 2147 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:47, sūryāsta 17:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2147-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2147-12-13","sa":"https://sa.vidhyamitra.com/city/lucknow/2147-12-13","hi":"https://hi.vidhyamitra.com/city/lucknow/2147-12-13","x-default":"https://vidhyamitra.com/city/lucknow/2147-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:36:57.348Z","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":"2026-06-01T07:36:57.348Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:36:57.348Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}