{"id":"vidhyamitra:city-day:ayodhya:1875-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1875-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-10-18","date_display":"October 18, 1875 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":1875,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406179.770833,"kali_year":4977,"ahargana":1817714.2708,"sun":{"sidereal_longitude":181.7184,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":41.6286,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.9102,"elapsed_within_tithi_degrees":3.9102},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.6286,"elapsed_within_degrees":1.6286},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.347},"karana":{"half_tithi_index":36,"name":"Bava"},"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":1875,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406179.770833,"ahargana":1817714.2708,"kali_year":4977,"ayanamsa_lahiri":22.1179,"grahas":{"sun":{"sidereal_longitude":182.143196,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":44.66089599999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":3.5867},"mars":{"sidereal_longitude":275.776396,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":205.09899599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":197.614596,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":190.381796,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":298.448896,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":348.7505,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":168.7505,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1875,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406179.770833,"kali_year":4977,"ahargana":1817714.2708,"sun":{"sidereal_longitude":181.7184,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":41.6286,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.9102,"elapsed_within_tithi_degrees":3.9102},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.6286,"elapsed_within_degrees":1.6286},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.347},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.587,"elongation":140.09},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.587,"opposition_distance":39.91}},"eclipse_window_40days":[{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":0.749,"opposition_distance":0.227}]},"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":11.486513733028104,"dayLengthDisplay":"11 Hours 29 Mins 11 Secs","nightLengthDisplay":"12 Hours 30 Mins 49 Secs","moonriseLocal":"19:47","moonsetLocal":"09:24","rahuKala":{"name":"Rāhu Kāla","start":"07:27","end":"08:53","startHours":7.455696380060819,"endHours":8.891510596689333,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:20","end":"11:46","startHours":10.327324813317844,"endHours":11.763139029946359,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:12","end":"14:38","startHours":13.19895324657487,"endHours":14.634767463203385,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.700068701138864,"endHours":9.0829524922398,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:48","startHours":6.498486902308477,"endHours":6.804793935189226,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.380255238845422,"endHours":12.146022821047296,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:15","startHours":4.4883469990285585,"endHours":5.254114581230432,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:01","startHours":5.0626726856799635,"endHours":6.019882163432306,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:27","startHours":13.677557985451042,"endHours":14.443325567652915,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.306395896460412,"endHours":17.70639589646041,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.50639589646041,"endHours":17.985000635336583,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.25639589646041,"endHours":19.00639589646041,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.38025523884542,"endHours":24.146022821047296,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:01","end":"07:27","startHours":6.019882163432306,"endHours":7.455696380060819,"quality":"auspicious"},{"name":"Kāla","start":"07:27","end":"08:53","startHours":7.455696380060819,"endHours":8.891510596689333,"quality":"inauspicious"},{"name":"Śubha","start":"08:53","end":"10:20","startHours":8.891510596689333,"endHours":10.327324813317844,"quality":"auspicious"},{"name":"Roga","start":"10:20","end":"11:46","startHours":10.327324813317844,"endHours":11.763139029946359,"quality":"inauspicious"},{"name":"Udveg","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.19895324657487,"quality":"inauspicious"},{"name":"Chala","start":"13:12","end":"14:38","startHours":13.19895324657487,"endHours":14.634767463203385,"quality":"neutral"},{"name":"Labha","start":"14:38","end":"16:04","startHours":14.634767463203385,"endHours":16.070581679831896,"quality":"auspicious"},{"name":"Amṛta","start":"16:04","end":"17:30","startHours":16.070581679831896,"endHours":17.50639589646041,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:30","end":"19:04","startHours":17.50639589646041,"endHours":19.070581679831896,"quality":"neutral"},{"name":"Labha","start":"19:04","end":"20:38","startHours":19.070581679831896,"endHours":20.634767463203385,"quality":"auspicious"},{"name":"Amṛta","start":"20:38","end":"22:12","startHours":20.634767463203385,"endHours":22.198953246574874,"quality":"auspicious"},{"name":"Kāla","start":"22:12","end":"23:46","startHours":22.198953246574874,"endHours":23.76313902994636,"quality":"inauspicious"},{"name":"Śubha","start":"23:46","end":"01:20","startHours":23.76313902994636,"endHours":25.327324813317844,"quality":"auspicious"},{"name":"Roga","start":"01:20","end":"02:53","startHours":25.327324813317844,"endHours":26.891510596689333,"quality":"inauspicious"},{"name":"Udveg","start":"02:53","end":"04:27","startHours":26.891510596689333,"endHours":28.45569638006082,"quality":"inauspicious"},{"name":"Chala","start":"04:27","end":"06:01","startHours":28.45569638006082,"endHours":30.019882163432307,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.019882163432306,"endHours":7.019882163432306,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.019882163432306,"endHours":8.019882163432307,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.019882163432307,"endHours":9.019882163432307,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.019882163432307,"endHours":10.019882163432307,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.019882163432307,"endHours":11.019882163432307,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.019882163432307,"endHours":12.019882163432307,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.019882163432307,"endHours":13.019882163432307,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.019882163432307,"endHours":14.019882163432307,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.019882163432307,"endHours":15.019882163432307,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.019882163432307,"endHours":16.019882163432307,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.019882163432307,"endHours":17.019882163432307,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.019882163432307,"endHours":18.019882163432307,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.019882163432307,"endHours":19.019882163432307,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.019882163432307,"endHours":20.019882163432307,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.019882163432307,"endHours":21.019882163432307,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.019882163432307,"endHours":22.019882163432307,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.019882163432307,"endHours":23.019882163432307,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.019882163432307,"endHours":24.019882163432307,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.019882163432307,"endHours":25.019882163432307,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.019882163432307,"endHours":26.019882163432307,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.019882163432307,"endHours":27.019882163432307,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.019882163432307,"endHours":28.019882163432307,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.019882163432307,"endHours":29.019882163432307,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.019882163432307,"endHours":30.019882163432307,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","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":-9.405835705520547,"eotMinutes":15.395658203218455,"ayanamsa":22.1179}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturthī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[{"id":"karva-chauth","name":"Karvā Chauth","name_sanskrit":"करवा चौथ","tradition":"Pan-Hindu","associated_deity":"Pārvatī + Gaṇeśa + Chandra","significance":"North Indian wives' fast for husband's longevity. Kṛṣṇa Caturthī of Kārtika.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2},{"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":"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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, 1875 CE · Ayodhyā · Vidhyamitra","description":"October 18, 1875 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 06:01, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1875-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1875-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1875-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1875-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/1875-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T00:04:10.176Z","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":"2026-05-17T00:04:10.176Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T00:04:10.176Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}