{"id":"vidhyamitra:city-day:ayodhya:1818-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1818-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-04-09","date_display":"April 9, 1818 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":1818,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385168.770833,"kali_year":4919,"ahargana":1796703.2708,"sun":{"sidereal_longitude":357.8409,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":38.5102,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.6693,"elapsed_within_tithi_degrees":4.6693},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.5102,"elapsed_within_degrees":11.8436},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.3512},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1818,"month":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385168.770833,"ahargana":1796703.2708,"kali_year":4919,"ayanamsa_lahiri":21.3144,"grahas":{"sun":{"sidereal_longitude":357.27707,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":34.90097000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":1.2765},"mars":{"sidereal_longitude":78.17307,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":5.755569999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":263.21617000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":6.675869999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":323.70257000000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":22.0144,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":202.0144,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1818,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385168.770833,"kali_year":4919,"ahargana":1796703.2708,"sun":{"sidereal_longitude":357.8409,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":38.5102,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.6693,"elapsed_within_tithi_degrees":4.6693},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.5102,"elapsed_within_degrees":11.8436},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.3512},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.277,"elongation":40.669},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.277,"opposition_distance":139.331}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":0.981,"opposition_distance":0.75}]},"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":"05:44","sunsetLocal":"18:22","solarNoonLocal":"12:03","dayLengthHours":12.619411388959286,"dayLengthDisplay":"12 Hours 37 Mins 10 Secs","nightLengthDisplay":"11 Hours 22 Mins 50 Secs","moonriseLocal":"07:50","moonsetLocal":"21:17","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:12","startHours":13.628764528340668,"endHours":15.20619095196058,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:44","end":"07:19","startHours":5.741632410241114,"endHours":7.319058833861025,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:54","end":"10:28","startHours":8.896485257480936,"endHours":10.473911681100846,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:06","startHours":8.686161734331614,"endHours":9.106808780630256,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:36","startHours":6.267441218114418,"endHours":6.603958855153333,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:28","startHours":11.630691058422114,"endHours":12.471985151019398,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:54","startHours":4.059044225046542,"endHours":4.900338317643828,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:44","startHours":4.690014794494507,"endHours":5.741632410241114,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.154573336213971,"endHours":14.995867428811257,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.1610437992004,"endHours":18.561043799200398,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:53","startHours":18.3610437992004,"endHours":18.886852607073703,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.1110437992004,"endHours":19.8610437992004,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:28","startHours":23.630691058422112,"endHours":24.4719851510194,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:44","end":"07:19","startHours":5.741632410241114,"endHours":7.319058833861025,"quality":"auspicious"},{"name":"Roga","start":"07:19","end":"08:54","startHours":7.319058833861025,"endHours":8.896485257480936,"quality":"inauspicious"},{"name":"Udveg","start":"08:54","end":"10:28","startHours":8.896485257480936,"endHours":10.473911681100846,"quality":"inauspicious"},{"name":"Chala","start":"10:28","end":"12:03","startHours":10.473911681100846,"endHours":12.051338104720756,"quality":"neutral"},{"name":"Labha","start":"12:03","end":"13:38","startHours":12.051338104720756,"endHours":13.628764528340668,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:12","startHours":13.628764528340668,"endHours":15.20619095196058,"quality":"auspicious"},{"name":"Kāla","start":"15:12","end":"16:47","startHours":15.20619095196058,"endHours":16.783617375580487,"quality":"inauspicious"},{"name":"Śubha","start":"16:47","end":"18:22","startHours":16.783617375580487,"endHours":18.3610437992004,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:22","end":"19:47","startHours":18.3610437992004,"endHours":19.783617375580487,"quality":"auspicious"},{"name":"Kāla","start":"19:47","end":"21:12","startHours":19.783617375580487,"endHours":21.20619095196058,"quality":"inauspicious"},{"name":"Śubha","start":"21:12","end":"22:38","startHours":21.20619095196058,"endHours":22.628764528340668,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:03","startHours":22.628764528340668,"endHours":24.051338104720756,"quality":"inauspicious"},{"name":"Udveg","start":"00:03","end":"01:28","startHours":24.051338104720756,"endHours":25.473911681100844,"quality":"inauspicious"},{"name":"Chala","start":"01:28","end":"02:54","startHours":25.473911681100844,"endHours":26.896485257480933,"quality":"neutral"},{"name":"Labha","start":"02:54","end":"04:19","startHours":26.896485257480933,"endHours":28.319058833861025,"quality":"auspicious"},{"name":"Amṛta","start":"04:19","end":"05:44","startHours":28.319058833861025,"endHours":29.741632410241113,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.741632410241114,"endHours":6.741632410241114,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.741632410241114,"endHours":7.741632410241114,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.741632410241114,"endHours":8.741632410241113,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.741632410241113,"endHours":9.741632410241113,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.741632410241113,"endHours":10.741632410241113,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.741632410241113,"endHours":11.741632410241113,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.741632410241113,"endHours":12.741632410241113,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.741632410241113,"endHours":13.741632410241113,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.741632410241113,"endHours":14.741632410241113,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.741632410241113,"endHours":15.741632410241113,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.741632410241113,"endHours":16.741632410241113,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.741632410241113,"endHours":17.741632410241113,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.741632410241113,"endHours":18.741632410241113,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.741632410241113,"endHours":19.741632410241113,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.741632410241113,"endHours":20.741632410241113,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.741632410241113,"endHours":21.741632410241113,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.741632410241113,"endHours":22.741632410241113,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.741632410241113,"endHours":23.741632410241113,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.741632410241113,"endHours":24.741632410241113,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.741632410241113,"endHours":25.741632410241113,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.741632410241113,"endHours":26.741632410241113,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.741632410241113,"endHours":27.741632410241113,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.741632410241113,"endHours":28.741632410241113,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.741632410241113,"endHours":29.741632410241113,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.284966644872327,"eotMinutes":-1.8962862832453116,"ayanamsa":21.3144}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Caturthī · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"festivals":[{"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":"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 April 9, 1818 CE · Ayodhyā · Vidhyamitra","description":"April 9, 1818 CE for Ayodhyā: Śukla Caturthī, sūryodaya 05:44, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1818-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1818-04-09","sa":"https://sa.vidhyamitra.com/city/ayodhya/1818-04-09","hi":"https://hi.vidhyamitra.com/city/ayodhya/1818-04-09","x-default":"https://vidhyamitra.com/city/ayodhya/1818-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:07:58.435Z","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":"2026-06-03T03:07:58.435Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:07:58.435Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}