{"id":"vidhyamitra:city-day:ayodhya:1841-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1841-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1841-10-18","date_display":"October 18, 1841 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":1841,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2393761.770833,"kali_year":4943,"ahargana":1805296.2708,"sun":{"sidereal_longitude":182.5132,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":225.4261,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.9129,"elapsed_within_tithi_degrees":6.9129},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.4261,"elapsed_within_degrees":12.0927},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":47.9393},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1841,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2393761.770833,"ahargana":1805296.2708,"kali_year":4943,"ayanamsa_lahiri":21.643,"grahas":{"sun":{"sidereal_longitude":182.855055,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":224.38885500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":-3.9458},"mars":{"sidereal_longitude":249.143955,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":207.78265499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":237.71945499999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":152.29045500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":248.588255,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":286.7159,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":106.7159,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1841,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2393761.770833,"kali_year":4943,"ahargana":1805296.2708,"sun":{"sidereal_longitude":182.5132,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":225.4261,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.9129,"elapsed_within_tithi_degrees":6.9129},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.4261,"elapsed_within_degrees":12.0927},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":47.9393},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.946,"elongation":42.913},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.946,"opposition_distance":137.087}},"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":"06:01","sunsetLocal":"17:30","solarNoonLocal":"11:46","dayLengthHours":11.480508662050035,"dayLengthDisplay":"11 Hours 28 Mins 50 Secs","nightLengthDisplay":"12 Hours 31 Mins 10 Secs","moonriseLocal":"09:15","moonsetLocal":"19:49","rahuKala":{"name":"Rāhu Kāla","start":"07:27","end":"08:54","startHours":7.457948281677596,"endHours":8.89301186443385,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:20","end":"11:46","startHours":10.328075447190106,"endHours":11.763139029946359,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:12","end":"14:38","startHours":13.198202612702612,"endHours":14.633266195458868,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.701670053399683,"endHours":9.084353675468018,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:48","startHours":6.50123922650676,"endHours":6.807386124161428,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.380455407878024,"endHours":12.145822652014694,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:15","startHours":4.492150210648004,"endHours":5.257517454784672,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:01","startHours":5.066175643750506,"endHours":6.022884698921342,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:27","startHours":13.676557140288033,"endHours":14.441924384424702,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.303393360971377,"endHours":17.703393360971376,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.503393360971376,"endHours":17.981747888556793,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.253393360971376,"endHours":19.003393360971376,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.380455407878024,"endHours":24.145822652014694,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:01","end":"07:27","startHours":6.022884698921342,"endHours":7.457948281677596,"quality":"auspicious"},{"name":"Kāla","start":"07:27","end":"08:54","startHours":7.457948281677596,"endHours":8.89301186443385,"quality":"inauspicious"},{"name":"Śubha","start":"08:54","end":"10:20","startHours":8.89301186443385,"endHours":10.328075447190106,"quality":"auspicious"},{"name":"Roga","start":"10:20","end":"11:46","startHours":10.328075447190106,"endHours":11.763139029946359,"quality":"inauspicious"},{"name":"Udveg","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.198202612702612,"quality":"inauspicious"},{"name":"Chala","start":"13:12","end":"14:38","startHours":13.198202612702612,"endHours":14.633266195458868,"quality":"neutral"},{"name":"Labha","start":"14:38","end":"16:04","startHours":14.633266195458868,"endHours":16.068329778215123,"quality":"auspicious"},{"name":"Amṛta","start":"16:04","end":"17:30","startHours":16.068329778215123,"endHours":17.503393360971376,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:30","end":"19:04","startHours":17.503393360971376,"endHours":19.068329778215123,"quality":"neutral"},{"name":"Labha","start":"19:04","end":"20:38","startHours":19.068329778215123,"endHours":20.633266195458866,"quality":"auspicious"},{"name":"Amṛta","start":"20:38","end":"22:12","startHours":20.633266195458866,"endHours":22.198202612702612,"quality":"auspicious"},{"name":"Kāla","start":"22:12","end":"23:46","startHours":22.198202612702612,"endHours":23.76313902994636,"quality":"inauspicious"},{"name":"Śubha","start":"23:46","end":"01:20","startHours":23.76313902994636,"endHours":25.328075447190106,"quality":"auspicious"},{"name":"Roga","start":"01:20","end":"02:54","startHours":25.328075447190106,"endHours":26.893011864433852,"quality":"inauspicious"},{"name":"Udveg","start":"02:54","end":"04:27","startHours":26.893011864433852,"endHours":28.457948281677595,"quality":"inauspicious"},{"name":"Chala","start":"04:27","end":"06:01","startHours":28.457948281677595,"endHours":30.02288469892134,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.022884698921342,"endHours":7.022884698921342,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.022884698921342,"endHours":8.022884698921342,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.022884698921342,"endHours":9.022884698921342,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.022884698921342,"endHours":10.022884698921342,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.022884698921342,"endHours":11.022884698921342,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.022884698921342,"endHours":12.022884698921342,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.022884698921342,"endHours":13.022884698921342,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.022884698921342,"endHours":14.022884698921342,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.022884698921342,"endHours":15.022884698921342,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.022884698921342,"endHours":16.02288469892134,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.02288469892134,"endHours":17.02288469892134,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.02288469892134,"endHours":18.02288469892134,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.02288469892134,"endHours":19.02288469892134,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.02288469892134,"endHours":20.02288469892134,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.02288469892134,"endHours":21.02288469892134,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.02288469892134,"endHours":22.02288469892134,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.02288469892134,"endHours":23.02288469892134,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.02288469892134,"endHours":24.02288469892134,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.02288469892134,"endHours":25.02288469892134,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.02288469892134,"endHours":26.02288469892134,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.02288469892134,"endHours":27.02288469892134,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.02288469892134,"endHours":28.02288469892134,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.02288469892134,"endHours":29.02288469892134,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.02288469892134,"endHours":30.02288469892134,"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.492858885397723,"eotMinutes":15.395658203218455,"ayanamsa":21.643}},"calendars":{"vikram_samvat":1898,"vikram_samvatsara":"Ānanda","saka_samvat":1763,"saka_samvatsara":"Plava","bengali_samvat":1248,"malayalam_era":1017,"nanakshahi_year":372,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Caturthī · Vikram 1898 Ānanda · Śaka 1763 Plava"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"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 October 18, 1841 CE · Ayodhyā · Vidhyamitra","description":"October 18, 1841 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:01, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1841-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1841-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1841-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1841-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/1841-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T13:58:47.634Z","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":"2026-05-24T13:58:47.634Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T13:58:47.634Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}