{"id":"vidhyamitra:city-day:ayodhya:1818-04-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1818-04-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-04-10","date_display":"April 10, 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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385169.770833,"kali_year":4919,"ahargana":1796704.2708,"sun":{"sidereal_longitude":358.8186,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":50.549,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.7303,"elapsed_within_tithi_degrees":3.7303},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.549,"elapsed_within_degrees":10.549},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":49.3676},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385169.770833,"ahargana":1796704.2708,"kali_year":4919,"ayanamsa_lahiri":21.3144,"grahas":{"sun":{"sidereal_longitude":358.257832,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":46.752332000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":2.1515},"mars":{"sidereal_longitude":78.685632,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":7.848832000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":263.27983199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":7.9138320000000135,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":323.80983200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":21.9614,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":201.9614,"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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385169.770833,"kali_year":4919,"ahargana":1796704.2708,"sun":{"sidereal_longitude":358.8186,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":50.549,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.7303,"elapsed_within_tithi_degrees":3.7303},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.549,"elapsed_within_degrees":10.549},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":49.3676},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.152,"elongation":51.73},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.152,"opposition_distance":128.27}},"eclipse_window_40days":[{"offset_days":11,"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":"05:43","sunsetLocal":"18:22","solarNoonLocal":"12:03","dayLengthHours":12.645076885861187,"dayLengthDisplay":"12 Hours 38 Mins 42 Secs","nightLengthDisplay":"11 Hours 21 Mins 18 Secs","moonriseLocal":"08:28","moonsetLocal":"22:06","rahuKala":{"name":"Rāhu Kāla","start":"10:28","end":"12:03","startHours":10.465882982020105,"endHours":12.046517592752753,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:12","end":"16:47","startHours":15.20778681421805,"endHours":16.7884214249507,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:18","end":"08:53","startHours":7.304613760554808,"endHours":8.885248371287457,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:06","startHours":8.674497089856438,"endHours":9.095999652718476,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:35","startHours":6.250857353399709,"endHours":6.588059403689341,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:28","startHours":11.625015029890713,"endHours":12.468020155614793,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:53","startHours":4.037968898374002,"endHours":4.880974024098081,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:43","startHours":4.670222742667061,"endHours":5.72397914982216,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.154030407062951,"endHours":14.99703553278703,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.169056035683347,"endHours":18.569056035683346,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:54","startHours":18.369056035683347,"endHours":18.895934239260896,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.119056035683347,"endHours":19.869056035683347,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:28","startHours":23.625015029890715,"endHours":24.46802015561479,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:43","end":"07:18","startHours":5.72397914982216,"endHours":7.304613760554808,"quality":"neutral"},{"name":"Labha","start":"07:18","end":"08:53","startHours":7.304613760554808,"endHours":8.885248371287457,"quality":"auspicious"},{"name":"Amṛta","start":"08:53","end":"10:28","startHours":8.885248371287457,"endHours":10.465882982020105,"quality":"auspicious"},{"name":"Kāla","start":"10:28","end":"12:03","startHours":10.465882982020105,"endHours":12.046517592752753,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:38","startHours":12.046517592752753,"endHours":13.627152203485402,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:12","startHours":13.627152203485402,"endHours":15.20778681421805,"quality":"inauspicious"},{"name":"Udveg","start":"15:12","end":"16:47","startHours":15.20778681421805,"endHours":16.7884214249507,"quality":"inauspicious"},{"name":"Chala","start":"16:47","end":"18:22","startHours":16.7884214249507,"endHours":18.369056035683347,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:22","end":"19:47","startHours":18.369056035683347,"endHours":19.7884214249507,"quality":"inauspicious"},{"name":"Udveg","start":"19:47","end":"21:12","startHours":19.7884214249507,"endHours":21.20778681421805,"quality":"inauspicious"},{"name":"Chala","start":"21:12","end":"22:38","startHours":21.20778681421805,"endHours":22.6271522034854,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:03","startHours":22.6271522034854,"endHours":24.046517592752753,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:28","startHours":24.046517592752753,"endHours":25.465882982020105,"quality":"auspicious"},{"name":"Kāla","start":"01:28","end":"02:53","startHours":25.465882982020105,"endHours":26.885248371287457,"quality":"inauspicious"},{"name":"Śubha","start":"02:53","end":"04:18","startHours":26.885248371287457,"endHours":28.30461376055481,"quality":"auspicious"},{"name":"Roga","start":"04:18","end":"05:43","startHours":28.30461376055481,"endHours":29.72397914982216,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:43","end":"06:43","startHours":5.72397914982216,"endHours":6.72397914982216,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:43","end":"07:43","startHours":6.72397914982216,"endHours":7.72397914982216,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:43","end":"08:43","startHours":7.72397914982216,"endHours":8.72397914982216,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:43","end":"09:43","startHours":8.72397914982216,"endHours":9.72397914982216,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:43","end":"10:43","startHours":9.72397914982216,"endHours":10.72397914982216,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:43","end":"11:43","startHours":10.72397914982216,"endHours":11.72397914982216,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:43","end":"12:43","startHours":11.72397914982216,"endHours":12.72397914982216,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:43","end":"13:43","startHours":12.72397914982216,"endHours":13.72397914982216,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:43","end":"14:43","startHours":13.72397914982216,"endHours":14.72397914982216,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:43","end":"15:43","startHours":14.72397914982216,"endHours":15.72397914982216,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:43","end":"16:43","startHours":15.72397914982216,"endHours":16.72397914982216,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:43","end":"17:43","startHours":16.72397914982216,"endHours":17.72397914982216,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:43","end":"18:43","startHours":17.72397914982216,"endHours":18.72397914982216,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:43","end":"19:43","startHours":18.72397914982216,"endHours":19.72397914982216,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:43","end":"20:43","startHours":19.72397914982216,"endHours":20.72397914982216,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:43","end":"21:43","startHours":20.72397914982216,"endHours":21.72397914982216,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:43","end":"22:43","startHours":21.72397914982216,"endHours":22.72397914982216,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:43","end":"23:43","startHours":22.72397914982216,"endHours":23.72397914982216,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:43","end":"00:43","startHours":23.72397914982216,"endHours":24.72397914982216,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:43","end":"01:43","startHours":24.72397914982216,"endHours":25.72397914982216,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:43","end":"02:43","startHours":25.72397914982216,"endHours":26.72397914982216,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:43","end":"03:43","startHours":26.72397914982216,"endHours":27.72397914982216,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:43","end":"04:43","startHours":27.72397914982216,"endHours":28.72397914982216,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:43","end":"05:43","startHours":28.72397914982216,"endHours":29.72397914982216,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","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":7.6567658765595,"eotMinutes":-1.6070555651651,"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 Pañcamī · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"festivals":[{"id":"ramanuja-jayanti","name":"Rāmānujācārya Jayantī","name_sanskrit":"रामानुजाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Rāmānujācārya (Viśiṣṭādvaita)","significance":"Birth of Rāmānujācārya; Viśiṣṭādvaita-pratiṣṭhāpaka. Caitra Śukla 5.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":3}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 April 10, 1818 CE · Ayodhyā · Vidhyamitra","description":"April 10, 1818 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 05:43, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1818-04-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1818-04-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/1818-04-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/1818-04-10","x-default":"https://vidhyamitra.com/city/ayodhya/1818-04-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:05:27.323Z","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":"2026-06-01T01:05:27.323Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:05:27.323Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}