{"id":"vidhyamitra:city-day:lucknow:2139-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2139-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-12-20","date_display":"December 20, 2139 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":2139,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502666.770833,"kali_year":5241,"ahargana":1914201.2708,"sun":{"sidereal_longitude":241.209,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":224.6519,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.4429,"elapsed_within_tithi_degrees":7.4429},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.6519,"elapsed_within_degrees":11.3186},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.8609},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2139,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502666.770833,"ahargana":1914201.2708,"kali_year":5241,"ayanamsa_lahiri":25.8082,"grahas":{"sun":{"sidereal_longitude":241.90518299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":226.31778299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":-3.5327},"mars":{"sidereal_longitude":156.94868300000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":246.23238300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":284.104883,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":279.381883,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":287.25948300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":276.4049,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":96.4049,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2139,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502666.770833,"kali_year":5241,"ahargana":1914201.2708,"sun":{"sidereal_longitude":241.209,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":224.6519,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.4429,"elapsed_within_tithi_degrees":7.4429},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.6519,"elapsed_within_degrees":11.3186},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.8609},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.533,"elongation":16.557},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.533,"opposition_distance":163.443}},"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":"06:51","sunsetLocal":"17:18","solarNoonLocal":"12:04","dayLengthHours":10.450403714086601,"dayLengthDisplay":"10 Hours 27 Mins 01 Secs","nightLengthDisplay":"13 Hours 32 Mins 59 Secs","moonriseLocal":"05:47","moonsetLocal":"16:17","rahuKala":{"name":"Rāhu Kāla","start":"15:59","end":"17:18","startHours":15.991622767407996,"endHours":17.297923231668822,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:04","end":"13:23","startHours":12.072721374625521,"endHours":13.379021838886347,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:41","end":"15:59","startHours":14.68532230314717,"endHours":15.991622767407996,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:38","startHours":9.285947050869094,"endHours":9.634293841338648,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:34","startHours":7.282953005669162,"endHours":7.561630438044805,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:25","startHours":11.724374584155967,"endHours":12.421068165095075,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.454132355704007,"endHours":6.150825936643114,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:51","startHours":5.976652541408337,"endHours":6.847519517582221,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:31","startHours":13.814455326973288,"endHours":14.511148907912395,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.097923231668823,"endHours":17.49792323166882,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.297923231668822,"endHours":17.733356719755765,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.047923231668822,"endHours":18.797923231668822,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:25","startHours":23.72437458415597,"endHours":24.421068165095075,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:51","end":"08:09","startHours":6.847519517582221,"endHours":8.153819981843046,"quality":"inauspicious"},{"name":"Chala","start":"08:09","end":"09:28","startHours":8.153819981843046,"endHours":9.460120446103872,"quality":"neutral"},{"name":"Labha","start":"09:28","end":"10:46","startHours":9.460120446103872,"endHours":10.766420910364696,"quality":"auspicious"},{"name":"Amṛta","start":"10:46","end":"12:04","startHours":10.766420910364696,"endHours":12.072721374625521,"quality":"auspicious"},{"name":"Kāla","start":"12:04","end":"13:23","startHours":12.072721374625521,"endHours":13.379021838886347,"quality":"inauspicious"},{"name":"Śubha","start":"13:23","end":"14:41","startHours":13.379021838886347,"endHours":14.68532230314717,"quality":"auspicious"},{"name":"Roga","start":"14:41","end":"15:59","startHours":14.68532230314717,"endHours":15.991622767407996,"quality":"inauspicious"},{"name":"Udveg","start":"15:59","end":"17:18","startHours":15.991622767407996,"endHours":17.297923231668822,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:18","end":"18:59","startHours":17.297923231668822,"endHours":18.991622767407996,"quality":"auspicious"},{"name":"Roga","start":"18:59","end":"20:41","startHours":18.991622767407996,"endHours":20.68532230314717,"quality":"inauspicious"},{"name":"Udveg","start":"20:41","end":"22:23","startHours":20.68532230314717,"endHours":22.379021838886345,"quality":"inauspicious"},{"name":"Chala","start":"22:23","end":"00:04","startHours":22.379021838886345,"endHours":24.072721374625523,"quality":"neutral"},{"name":"Labha","start":"00:04","end":"01:46","startHours":24.072721374625523,"endHours":25.766420910364694,"quality":"auspicious"},{"name":"Amṛta","start":"01:46","end":"03:28","startHours":25.766420910364694,"endHours":27.460120446103872,"quality":"auspicious"},{"name":"Kāla","start":"03:28","end":"05:09","startHours":27.460120446103872,"endHours":29.153819981843046,"quality":"inauspicious"},{"name":"Śubha","start":"05:09","end":"06:51","startHours":29.153819981843046,"endHours":30.84751951758222,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.847519517582221,"endHours":7.847519517582221,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.847519517582221,"endHours":8.84751951758222,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.84751951758222,"endHours":9.84751951758222,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.84751951758222,"endHours":10.84751951758222,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.84751951758222,"endHours":11.84751951758222,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.84751951758222,"endHours":12.84751951758222,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.84751951758222,"endHours":13.84751951758222,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.84751951758222,"endHours":14.84751951758222,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.84751951758222,"endHours":15.84751951758222,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.84751951758222,"endHours":16.84751951758222,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.84751951758222,"endHours":17.84751951758222,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.84751951758222,"endHours":18.84751951758222,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.84751951758222,"endHours":19.84751951758222,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.84751951758222,"endHours":20.84751951758222,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.84751951758222,"endHours":21.84751951758222,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.84751951758222,"endHours":22.84751951758222,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.84751951758222,"endHours":23.84751951758222,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.84751951758222,"endHours":24.84751951758222,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.84751951758222,"endHours":25.84751951758222,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.84751951758222,"endHours":26.84751951758222,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.84751951758222,"endHours":27.84751951758222,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.84751951758222,"endHours":28.84751951758222,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.84751951758222,"endHours":29.84751951758222,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.84751951758222,"endHours":30.84751951758222,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.41672445831185,"eotMinutes":1.851917522468745,"ayanamsa":25.8082}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturdaśī · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 20, 2139 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"December 20, 2139 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Caturdaśī, sūryodaya 06:51, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2139-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2139-12-20","sa":"https://sa.vidhyamitra.com/city/lucknow/2139-12-20","hi":"https://hi.vidhyamitra.com/city/lucknow/2139-12-20","x-default":"https://vidhyamitra.com/city/lucknow/2139-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T21:32:23.541Z","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":"2026-05-29T21:32:23.541Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T21:32:23.541Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}