{"id":"vidhyamitra:city-day:ayodhya:1826-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1826-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1826-12-18","date_display":"December 18, 1826 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":1826,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2388343.770833,"kali_year":4928,"ahargana":1799878.2708,"sun":{"sidereal_longitude":244.2798,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":106.5614,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.2816,"elapsed_within_tithi_degrees":6.2816},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.5614,"elapsed_within_degrees":13.2281},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":350.8412},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1826,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2388343.770833,"ahargana":1799878.2708,"kali_year":4928,"ayanamsa_lahiri":21.4358,"grahas":{"sun":{"sidereal_longitude":244.21156199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":103.84696200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-4.2978},"mars":{"sidereal_longitude":302.66546200000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.35246199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":172.73256200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":256.383962,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":73.32986199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":213.7876,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":33.7876,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1826,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2388343.770833,"kali_year":4928,"ahargana":1799878.2708,"sun":{"sidereal_longitude":244.2798,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":106.5614,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.2816,"elapsed_within_tithi_degrees":6.2816},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.5614,"elapsed_within_degrees":13.2281},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":350.8412},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.298,"elongation":137.718},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.298,"opposition_distance":42.282}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:45","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.458052877322846,"dayLengthDisplay":"10 Hours 27 Mins 29 Secs","nightLengthDisplay":"13 Hours 32 Mins 31 Secs","moonriseLocal":"19:54","moonsetLocal":"09:20","rahuKala":{"name":"Rāhu Kāla","start":"08:03","end":"09:22","startHours":8.051501381868247,"endHours":9.358757991533603,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"11:58","startHours":10.666014601198958,"endHours":11.973271210864315,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:17","end":"14:35","startHours":13.28052782052967,"endHours":14.587784430195025,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.184457110244889,"endHours":9.533058872822316,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.179996975424676,"endHours":7.458878385486619,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.624669448286886,"endHours":12.32187297344174,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:03","startHours":5.349837721893178,"endHours":6.047041247048035,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.872740365759321,"endHours":6.744244772202891,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.716280023751455,"endHours":14.413483548906312,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.002297649525737,"endHours":17.402297649525735,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.202297649525736,"endHours":17.63804985274752,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.952297649525736,"endHours":18.702297649525736,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.624669448286884,"endHours":24.32187297344174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:45","end":"08:03","startHours":6.744244772202891,"endHours":8.051501381868247,"quality":"auspicious"},{"name":"Kāla","start":"08:03","end":"09:22","startHours":8.051501381868247,"endHours":9.358757991533603,"quality":"inauspicious"},{"name":"Śubha","start":"09:22","end":"10:40","startHours":9.358757991533603,"endHours":10.666014601198958,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"11:58","startHours":10.666014601198958,"endHours":11.973271210864315,"quality":"inauspicious"},{"name":"Udveg","start":"11:58","end":"13:17","startHours":11.973271210864315,"endHours":13.28052782052967,"quality":"inauspicious"},{"name":"Chala","start":"13:17","end":"14:35","startHours":13.28052782052967,"endHours":14.587784430195025,"quality":"neutral"},{"name":"Labha","start":"14:35","end":"15:54","startHours":14.587784430195025,"endHours":15.89504103986038,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:12","startHours":15.89504103986038,"endHours":17.202297649525736,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:12","end":"18:54","startHours":17.202297649525736,"endHours":18.89504103986038,"quality":"neutral"},{"name":"Labha","start":"18:54","end":"20:35","startHours":18.89504103986038,"endHours":20.587784430195025,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"22:17","startHours":20.587784430195025,"endHours":22.28052782052967,"quality":"auspicious"},{"name":"Kāla","start":"22:17","end":"23:58","startHours":22.28052782052967,"endHours":23.97327121086431,"quality":"inauspicious"},{"name":"Śubha","start":"23:58","end":"01:40","startHours":23.97327121086431,"endHours":25.66601460119896,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:22","startHours":25.66601460119896,"endHours":27.3587579915336,"quality":"inauspicious"},{"name":"Udveg","start":"03:22","end":"05:03","startHours":27.3587579915336,"endHours":29.051501381868245,"quality":"inauspicious"},{"name":"Chala","start":"05:03","end":"06:45","startHours":29.051501381868245,"endHours":30.74424477220289,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.744244772202891,"endHours":7.744244772202891,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.744244772202891,"endHours":8.74424477220289,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.74424477220289,"endHours":9.74424477220289,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.74424477220289,"endHours":10.74424477220289,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.74424477220289,"endHours":11.74424477220289,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.74424477220289,"endHours":12.74424477220289,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.74424477220289,"endHours":13.74424477220289,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.74424477220289,"endHours":14.74424477220289,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.74424477220289,"endHours":15.74424477220289,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.74424477220289,"endHours":16.74424477220289,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.74424477220289,"endHours":17.74424477220289,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.74424477220289,"endHours":18.74424477220289,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.74424477220289,"endHours":19.74424477220289,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.74424477220289,"endHours":20.74424477220289,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.74424477220289,"endHours":21.74424477220289,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.74424477220289,"endHours":22.74424477220289,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.74424477220289,"endHours":23.74424477220289,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.74424477220289,"endHours":24.74424477220289,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.74424477220289,"endHours":25.74424477220289,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.74424477220289,"endHours":26.74424477220289,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.74424477220289,"endHours":27.74424477220289,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.74424477220289,"endHours":28.74424477220289,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.74424477220289,"endHours":29.74424477220289,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.74424477220289,"endHours":30.74424477220289,"planetary_lord":"Venus"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.36488395220759,"eotMinutes":2.787727348141232,"ayanamsa":21.4358}},"calendars":{"vikram_samvat":1883,"vikram_samvatsara":"Vikāri","saka_samvat":1748,"saka_samvatsara":"Vyaya","bengali_samvat":1233,"malayalam_era":1002,"nanakshahi_year":357,"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 Caturthī · Vikram 1883 Vikāri · Śaka 1748 Vyaya"},"festivals":[{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"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, 1826 CE · Ayodhyā · Vidhyamitra","description":"December 18, 1826 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 06:45, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1826-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1826-12-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1826-12-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1826-12-18","x-default":"https://vidhyamitra.com/city/ayodhya/1826-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:24:17.290Z","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":"2026-05-31T19:24:17.290Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:24:17.290Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}