{"id":"vidhyamitra:city-day:lucknow:2155-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2155-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-12-18","date_display":"December 18, 2155 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":2155,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508508.770833,"kali_year":5257,"ahargana":1920043.2708,"sun":{"sidereal_longitude":239.0128,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":162.2171,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.2043,"elapsed_within_tithi_degrees":7.2043},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.2171,"elapsed_within_degrees":2.2171},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.2299},"karana":{"half_tithi_index":47,"name":"Gara"},"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":2155,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508508.770833,"ahargana":1920043.2708,"kali_year":5257,"ayanamsa_lahiri":26.0317,"grahas":{"sun":{"sidereal_longitude":239.76587500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":160.10267499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":-1.19},"mars":{"sidereal_longitude":273.38947499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":234.29667500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":68.58237500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":277.590275,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":143.040575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":326.8676,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":146.8676,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2155,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508508.770833,"kali_year":5257,"ahargana":1920043.2708,"sun":{"sidereal_longitude":239.0128,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":162.2171,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.2043,"elapsed_within_tithi_degrees":7.2043},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.2171,"elapsed_within_degrees":2.2171},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.2299},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.19,"elongation":76.796},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.19,"opposition_distance":103.204}},"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":"06:50","sunsetLocal":"17:17","solarNoonLocal":"12:03","dayLengthHours":10.45419761738873,"dayLengthDisplay":"10 Hours 27 Mins 15 Secs","nightLengthDisplay":"13 Hours 32 Mins 45 Secs","moonriseLocal":"00:47","moonsetLocal":"12:42","rahuKala":{"name":"Rāhu Kāla","start":"13:22","end":"14:40","startHours":13.363899246371236,"endHours":14.670673948544827,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:50","end":"08:08","startHours":6.830025735503281,"endHours":8.136800437676872,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:27","end":"10:45","startHours":9.443575139850463,"endHours":10.750349842024054,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:37","startHours":9.269338512893984,"endHours":9.617811766806943,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:33","startHours":7.265617302894478,"endHours":7.544395906024844,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:24","startHours":11.708651290284687,"endHours":12.405597798110604,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.436132719851451,"endHours":6.133079227677366,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:50","startHours":5.958842600720887,"endHours":6.830025735503281,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:48","end":"14:30","startHours":13.799490813762434,"endHours":14.496437321588349,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:05","end":"17:29","startHours":17.08422335289201,"endHours":17.48422335289201,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:17","end":"17:43","startHours":17.28422335289201,"endHours":17.719814920283206,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:02","end":"18:47","startHours":17.03422335289201,"endHours":18.78422335289201,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:24","startHours":23.70865129028469,"endHours":24.405597798110602,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:50","end":"08:08","startHours":6.830025735503281,"endHours":8.136800437676872,"quality":"auspicious"},{"name":"Roga","start":"08:08","end":"09:27","startHours":8.136800437676872,"endHours":9.443575139850463,"quality":"inauspicious"},{"name":"Udveg","start":"09:27","end":"10:45","startHours":9.443575139850463,"endHours":10.750349842024054,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:03","startHours":10.750349842024054,"endHours":12.057124544197645,"quality":"neutral"},{"name":"Labha","start":"12:03","end":"13:22","startHours":12.057124544197645,"endHours":13.363899246371236,"quality":"auspicious"},{"name":"Amṛta","start":"13:22","end":"14:40","startHours":13.363899246371236,"endHours":14.670673948544827,"quality":"auspicious"},{"name":"Kāla","start":"14:40","end":"15:59","startHours":14.670673948544827,"endHours":15.977448650718419,"quality":"inauspicious"},{"name":"Śubha","start":"15:59","end":"17:17","startHours":15.977448650718419,"endHours":17.28422335289201,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:17","end":"18:59","startHours":17.28422335289201,"endHours":18.97744865071842,"quality":"auspicious"},{"name":"Kāla","start":"18:59","end":"20:40","startHours":18.97744865071842,"endHours":20.670673948544827,"quality":"inauspicious"},{"name":"Śubha","start":"20:40","end":"22:22","startHours":20.670673948544827,"endHours":22.363899246371236,"quality":"auspicious"},{"name":"Roga","start":"22:22","end":"00:03","startHours":22.363899246371236,"endHours":24.057124544197645,"quality":"inauspicious"},{"name":"Udveg","start":"00:03","end":"01:45","startHours":24.057124544197645,"endHours":25.750349842024054,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:27","startHours":25.750349842024054,"endHours":27.443575139850463,"quality":"neutral"},{"name":"Labha","start":"03:27","end":"05:08","startHours":27.443575139850463,"endHours":29.13680043767687,"quality":"auspicious"},{"name":"Amṛta","start":"05:08","end":"06:50","startHours":29.13680043767687,"endHours":30.83002573550328,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.830025735503281,"endHours":7.830025735503281,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.830025735503281,"endHours":8.83002573550328,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.83002573550328,"endHours":9.83002573550328,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.83002573550328,"endHours":10.83002573550328,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.83002573550328,"endHours":11.83002573550328,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.83002573550328,"endHours":12.83002573550328,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.83002573550328,"endHours":13.83002573550328,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.83002573550328,"endHours":14.83002573550328,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.83002573550328,"endHours":15.83002573550328,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.83002573550328,"endHours":16.83002573550328,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.83002573550328,"endHours":17.83002573550328,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.83002573550328,"endHours":18.83002573550328,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.83002573550328,"endHours":19.83002573550328,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.83002573550328,"endHours":20.83002573550328,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.83002573550328,"endHours":21.83002573550328,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.83002573550328,"endHours":22.83002573550328,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.83002573550328,"endHours":23.83002573550328,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.83002573550328,"endHours":24.83002573550328,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.83002573550328,"endHours":25.83002573550328,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.83002573550328,"endHours":26.83002573550328,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.83002573550328,"endHours":27.83002573550328,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.83002573550328,"endHours":28.83002573550328,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.83002573550328,"endHours":29.83002573550328,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.83002573550328,"endHours":30.83002573550328,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","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":-23.369738310027817,"eotMinutes":2.787727348141232,"ayanamsa":26.0317}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"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 Navamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[],"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 December 18, 2155 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"December 18, 2155 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Navamī, sūryodaya 06:50, sūryāsta 17:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2155-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2155-12-18","sa":"https://sa.vidhyamitra.com/city/lucknow/2155-12-18","hi":"https://hi.vidhyamitra.com/city/lucknow/2155-12-18","x-default":"https://vidhyamitra.com/city/lucknow/2155-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:05:32.103Z","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":"2026-06-02T23:05:32.103Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:05:32.103Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}