{"id":"vidhyamitra:city-day:lucknow:2148-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2148-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2148-12-13","date_display":"December 13, 2148 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":2148,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505947.770833,"kali_year":5250,"ahargana":1917482.2708,"sun":{"sidereal_longitude":234.7176,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":256.561,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.8434,"elapsed_within_tithi_degrees":9.8434},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.561,"elapsed_within_degrees":3.2277},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.2787},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":2148,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505947.770833,"ahargana":1917482.2708,"kali_year":5250,"ayanamsa_lahiri":25.9337,"grahas":{"sun":{"sidereal_longitude":235.49082499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":256.948225,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":1.9711},"mars":{"sidereal_longitude":40.87352499999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":251.21212500000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":210.10642499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":218.04072500000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":41.92382500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":102.5617,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.5617,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2148,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505947.770833,"kali_year":5250,"ahargana":1917482.2708,"sun":{"sidereal_longitude":234.7176,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":256.561,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.8434,"elapsed_within_tithi_degrees":9.8434},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.561,"elapsed_within_degrees":3.2277},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.2787},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.971,"elongation":21.843},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.971,"opposition_distance":158.157}},"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":10.471167954261688,"dayLengthDisplay":"10 Hours 28 Mins 16 Secs","nightLengthDisplay":"13 Hours 31 Mins 44 Secs","moonriseLocal":"08:13","moonsetLocal":"18:41","rahuKala":{"name":"Rāhu Kāla","start":"10:43","end":"12:01","startHours":10.709846501560321,"endHours":12.018742495843032,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:38","end":"15:57","startHours":14.636534484408454,"endHours":15.945430478691165,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:06","end":"09:24","startHours":8.092054512994899,"endHours":9.40095050727761,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:35","startHours":9.22643104137325,"endHours":9.575469973181972,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.219457183473093,"endHours":7.498688328920071,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:22","startHours":11.66970356403431,"endHours":12.367781427651755,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:05","startHours":5.387002791477297,"endHours":6.085080655094743,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:55","end":"06:47","startHours":5.910561189190382,"endHours":6.783158518712189,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:28","startHours":13.763937154886648,"endHours":14.462015018504093,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:03","end":"17:27","startHours":17.054326472973877,"endHours":17.454326472973875,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:15","end":"17:41","startHours":17.254326472973876,"endHours":17.69062513773478,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:00","end":"18:45","startHours":17.004326472973876,"endHours":18.754326472973876,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:22","startHours":23.669703564034307,"endHours":24.367781427651757,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:47","end":"08:06","startHours":6.783158518712189,"endHours":8.092054512994899,"quality":"neutral"},{"name":"Labha","start":"08:06","end":"09:24","startHours":8.092054512994899,"endHours":9.40095050727761,"quality":"auspicious"},{"name":"Amṛta","start":"09:24","end":"10:43","startHours":9.40095050727761,"endHours":10.709846501560321,"quality":"auspicious"},{"name":"Kāla","start":"10:43","end":"12:01","startHours":10.709846501560321,"endHours":12.018742495843032,"quality":"inauspicious"},{"name":"Śubha","start":"12:01","end":"13:20","startHours":12.018742495843032,"endHours":13.327638490125743,"quality":"auspicious"},{"name":"Roga","start":"13:20","end":"14:38","startHours":13.327638490125743,"endHours":14.636534484408454,"quality":"inauspicious"},{"name":"Udveg","start":"14:38","end":"15:57","startHours":14.636534484408454,"endHours":15.945430478691165,"quality":"inauspicious"},{"name":"Chala","start":"15:57","end":"17:15","startHours":15.945430478691165,"endHours":17.254326472973876,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:15","end":"18:57","startHours":17.254326472973876,"endHours":18.945430478691165,"quality":"inauspicious"},{"name":"Udveg","start":"18:57","end":"20:38","startHours":18.945430478691165,"endHours":20.636534484408454,"quality":"inauspicious"},{"name":"Chala","start":"20:38","end":"22:20","startHours":20.636534484408454,"endHours":22.327638490125743,"quality":"neutral"},{"name":"Labha","start":"22:20","end":"00:01","startHours":22.327638490125743,"endHours":24.018742495843032,"quality":"auspicious"},{"name":"Amṛta","start":"00:01","end":"01:43","startHours":24.018742495843032,"endHours":25.70984650156032,"quality":"auspicious"},{"name":"Kāla","start":"01:43","end":"03:24","startHours":25.70984650156032,"endHours":27.40095050727761,"quality":"inauspicious"},{"name":"Śubha","start":"03:24","end":"05:06","startHours":27.40095050727761,"endHours":29.0920545129949,"quality":"auspicious"},{"name":"Roga","start":"05:06","end":"06:47","startHours":29.0920545129949,"endHours":30.783158518712188,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.783158518712189,"endHours":7.783158518712189,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.783158518712189,"endHours":8.783158518712188,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.783158518712188,"endHours":9.783158518712188,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.783158518712188,"endHours":10.783158518712188,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.783158518712188,"endHours":11.783158518712188,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.783158518712188,"endHours":12.783158518712188,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.783158518712188,"endHours":13.783158518712188,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.783158518712188,"endHours":14.783158518712188,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.783158518712188,"endHours":15.783158518712188,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.783158518712188,"endHours":16.783158518712188,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.783158518712188,"endHours":17.783158518712188,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.783158518712188,"endHours":18.783158518712188,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.783158518712188,"endHours":19.783158518712188,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.783158518712188,"endHours":20.783158518712188,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.783158518712188,"endHours":21.783158518712188,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.783158518712188,"endHours":22.783158518712188,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.783158518712188,"endHours":23.783158518712188,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.783158518712188,"endHours":24.783158518712188,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.783158518712188,"endHours":25.783158518712188,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.783158518712188,"endHours":26.783158518712188,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.783158518712188,"endHours":27.783158518712188,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.783158518712188,"endHours":28.783158518712188,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.783158518712188,"endHours":29.783158518712188,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.783158518712188,"endHours":30.783158518712188,"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.15911475114844,"eotMinutes":5.090650249418121,"ayanamsa":25.9337}},"calendars":{"vikram_samvat":2205,"vikram_samvatsara":"Durmati","saka_samvat":2070,"saka_samvatsara":"Kīlaka","bengali_samvat":1555,"malayalam_era":1324,"nanakshahi_year":679,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","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":"Mārgaśīrṣa Śukla Dvitīyā · Vikram 2205 Durmati · Śaka 2070 Kīlaka"},"festivals":[],"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 December 13, 2148 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"December 13, 2148 CE for Lucknow, Uttar Pradesh: Śukla Dvitīyā, sūryodaya 06:47, sūryāsta 17:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2148-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2148-12-13","sa":"https://sa.vidhyamitra.com/city/lucknow/2148-12-13","hi":"https://hi.vidhyamitra.com/city/lucknow/2148-12-13","x-default":"https://vidhyamitra.com/city/lucknow/2148-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:17:54.571Z","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":"2026-06-02T18:17:54.571Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:17:54.571Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}