{"id":"vidhyamitra:city-day:ayodhya:1801-03-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1801-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1801-03-18","date_display":"March 18, 1801 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":1801,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2378937.770833,"kali_year":4902,"ahargana":1790472.2708,"sun":{"sidereal_longitude":336.5538,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":19.3059,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.7521,"elapsed_within_tithi_degrees":6.7521},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":19.3059,"elapsed_within_degrees":5.9726},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.8598},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1801,"month":3,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2378937.770833,"ahargana":1790472.2708,"kali_year":4902,"ayanamsa_lahiri":21.076,"grahas":{"sun":{"sidereal_longitude":335.91574,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":17.305740000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":2.0513},"mars":{"sidereal_longitude":56.327639999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":355.63994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":95.17964,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"venus":{"sidereal_longitude":24.823039999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":118.89483999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":352.1627,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":172.1627,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"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":1801,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2378937.770833,"kali_year":4902,"ahargana":1790472.2708,"sun":{"sidereal_longitude":336.5538,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":19.3059,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.7521,"elapsed_within_tithi_degrees":6.7521},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":19.3059,"elapsed_within_degrees":5.9726},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.8598},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.051,"elongation":42.752},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.051,"opposition_distance":137.248}},"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":"06:09","sunsetLocal":"18:11","solarNoonLocal":"12:10","dayLengthHours":12.043892398519585,"dayLengthDisplay":"12 Hours 02 Mins 38 Secs","nightLengthDisplay":"11 Hours 57 Mins 22 Secs","moonriseLocal":"08:23","moonsetLocal":"21:28","rahuKala":{"name":"Rāhu Kāla","start":"12:10","end":"13:40","startHours":12.165798233991884,"endHours":13.671284783806833,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:39","end":"09:09","startHours":7.64933858454704,"endHours":9.154825134361989,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:40","end":"12:10","startHours":10.660311684176936,"endHours":12.165798233991884,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.954093594386661,"endHours":9.355556674337315,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.645680884670408,"endHours":6.96685134863093,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:34","startHours":11.764335154041232,"endHours":12.567261313942536,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:20","startHours":4.53799971492948,"endHours":5.340925874830786,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:09","startHours":5.14019433485546,"endHours":6.143852034732092,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:59","startHours":14.173113633745148,"endHours":14.976039793646454,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.987744433251677,"endHours":18.387744433251676,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:41","startHours":18.187744433251677,"endHours":18.689573283189993,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.937744433251677,"endHours":19.687744433251677,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:34","startHours":23.764335154041234,"endHours":24.567261313942538,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:09","end":"07:39","startHours":6.143852034732092,"endHours":7.64933858454704,"quality":"auspicious"},{"name":"Amṛta","start":"07:39","end":"09:09","startHours":7.64933858454704,"endHours":9.154825134361989,"quality":"auspicious"},{"name":"Kāla","start":"09:09","end":"10:40","startHours":9.154825134361989,"endHours":10.660311684176936,"quality":"inauspicious"},{"name":"Śubha","start":"10:40","end":"12:10","startHours":10.660311684176936,"endHours":12.165798233991884,"quality":"auspicious"},{"name":"Roga","start":"12:10","end":"13:40","startHours":12.165798233991884,"endHours":13.671284783806833,"quality":"inauspicious"},{"name":"Udveg","start":"13:40","end":"15:11","startHours":13.671284783806833,"endHours":15.17677133362178,"quality":"inauspicious"},{"name":"Chala","start":"15:11","end":"16:41","startHours":15.17677133362178,"endHours":16.682257883436726,"quality":"neutral"},{"name":"Labha","start":"16:41","end":"18:11","startHours":16.682257883436726,"endHours":18.187744433251677,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:11","end":"19:41","startHours":18.187744433251677,"endHours":19.68225788343673,"quality":"inauspicious"},{"name":"Chala","start":"19:41","end":"21:11","startHours":19.68225788343673,"endHours":21.17677133362178,"quality":"neutral"},{"name":"Labha","start":"21:11","end":"22:40","startHours":21.17677133362178,"endHours":22.671284783806833,"quality":"auspicious"},{"name":"Amṛta","start":"22:40","end":"00:10","startHours":22.671284783806833,"endHours":24.165798233991886,"quality":"auspicious"},{"name":"Kāla","start":"00:10","end":"01:40","startHours":24.165798233991886,"endHours":25.660311684176936,"quality":"inauspicious"},{"name":"Śubha","start":"01:40","end":"03:09","startHours":25.660311684176936,"endHours":27.15482513436199,"quality":"auspicious"},{"name":"Roga","start":"03:09","end":"04:39","startHours":27.15482513436199,"endHours":28.64933858454704,"quality":"inauspicious"},{"name":"Udveg","start":"04:39","end":"06:09","startHours":28.64933858454704,"endHours":30.14385203473209,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.143852034732092,"endHours":7.143852034732092,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.143852034732092,"endHours":8.143852034732092,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.143852034732092,"endHours":9.143852034732092,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.143852034732092,"endHours":10.143852034732092,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.143852034732092,"endHours":11.143852034732092,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.143852034732092,"endHours":12.143852034732092,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.143852034732092,"endHours":13.143852034732092,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.143852034732092,"endHours":14.143852034732092,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.143852034732092,"endHours":15.143852034732092,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.143852034732092,"endHours":16.14385203473209,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.14385203473209,"endHours":17.14385203473209,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.14385203473209,"endHours":18.14385203473209,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.14385203473209,"endHours":19.14385203473209,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.14385203473209,"endHours":20.14385203473209,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.14385203473209,"endHours":21.14385203473209,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.14385203473209,"endHours":22.14385203473209,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.14385203473209,"endHours":23.14385203473209,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.14385203473209,"endHours":24.14385203473209,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.14385203473209,"endHours":25.14385203473209,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.14385203473209,"endHours":26.14385203473209,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.14385203473209,"endHours":27.14385203473209,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.14385203473209,"endHours":28.14385203473209,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.14385203473209,"endHours":29.14385203473209,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.14385203473209,"endHours":30.14385203473209,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-1.1960198684195795,"eotMinutes":-8.763894039513033,"ayanamsa":21.076}},"calendars":{"vikram_samvat":1858,"vikram_samvatsara":"Bhāva","saka_samvat":1723,"saka_samvatsara":"Durmati","bengali_samvat":1208,"malayalam_era":977,"nanakshahi_year":332,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Caturthī · Vikram 1858 Bhāva · Śaka 1723 Durmati"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 March 18, 1801 CE · Ayodhyā · Vidhyamitra","description":"March 18, 1801 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:09, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1801-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1801-03-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1801-03-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1801-03-18","x-default":"https://vidhyamitra.com/city/ayodhya/1801-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T01:05:46.282Z","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":"2026-05-23T01:05:46.282Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T01:05:46.282Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}