{"id":"vidhyamitra:city-day:ayodhya:1808-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1808-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1808-02-18","date_display":"February 18, 1808 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":1808,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381465.770833,"kali_year":4909,"ahargana":1793000.2708,"sun":{"sidereal_longitude":307.6596,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":204.7026,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.0431,"elapsed_within_tithi_degrees":5.0431},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.7026,"elapsed_within_degrees":4.7026},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.3622},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":1808,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2381465.770833,"ahargana":1793000.2708,"kali_year":4909,"ayanamsa_lahiri":21.1727,"grahas":{"sun":{"sidereal_longitude":307.0933520000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":206.85285199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-1.0506},"mars":{"sidereal_longitude":323.80735200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":317.65275199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":307.33575199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":268.780752,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":212.78405199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":218.2171,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.2171,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1808,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381465.770833,"kali_year":4909,"ahargana":1793000.2708,"sun":{"sidereal_longitude":307.6596,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":204.7026,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.0431,"elapsed_within_tithi_degrees":5.0431},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.7026,"elapsed_within_degrees":4.7026},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.3622},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.051,"elongation":102.957},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.051,"opposition_distance":77.043}},"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":"06:37","sunsetLocal":"17:55","solarNoonLocal":"12:16","dayLengthHours":11.300750992377768,"dayLengthDisplay":"11 Hours 18 Mins 03 Secs","nightLengthDisplay":"12 Hours 41 Mins 57 Secs","moonriseLocal":"00:08","moonsetLocal":"11:01","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:05","startHours":13.672908477587224,"endHours":15.085502351634446,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:37","end":"08:01","startHours":6.60993910735112,"endHours":8.02253298139834,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:26","end":"10:51","startHours":9.435126855445562,"endHours":10.847720729492782,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:37","startHours":9.246781005572599,"endHours":9.623472705318525,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:05","end":"07:23","startHours":7.080803732033527,"endHours":7.382157091830267,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.883622903794079,"endHours":12.637006303285931,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:51","startHours":5.103172308367418,"endHours":5.856555707859268,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:37","startHours":5.668209857986306,"endHours":6.60993910735112,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:54","startHours":14.14377310226963,"endHours":14.897156501761481,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.71069009972889,"endHours":18.110690099728888,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:23","startHours":17.91069009972889,"endHours":18.381554724411295,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.66069009972889,"endHours":19.41069009972889,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.883622903794077,"endHours":24.63700630328593,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:37","end":"08:01","startHours":6.60993910735112,"endHours":8.02253298139834,"quality":"auspicious"},{"name":"Roga","start":"08:01","end":"09:26","startHours":8.02253298139834,"endHours":9.435126855445562,"quality":"inauspicious"},{"name":"Udveg","start":"09:26","end":"10:51","startHours":9.435126855445562,"endHours":10.847720729492782,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:16","startHours":10.847720729492782,"endHours":12.260314603540003,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:40","startHours":12.260314603540003,"endHours":13.672908477587224,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:05","startHours":13.672908477587224,"endHours":15.085502351634446,"quality":"auspicious"},{"name":"Kāla","start":"15:05","end":"16:30","startHours":15.085502351634446,"endHours":16.498096225681667,"quality":"inauspicious"},{"name":"Śubha","start":"16:30","end":"17:55","startHours":16.498096225681667,"endHours":17.91069009972889,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:55","end":"19:30","startHours":17.91069009972889,"endHours":19.498096225681667,"quality":"auspicious"},{"name":"Kāla","start":"19:30","end":"21:05","startHours":19.498096225681667,"endHours":21.085502351634446,"quality":"inauspicious"},{"name":"Śubha","start":"21:05","end":"22:40","startHours":21.085502351634446,"endHours":22.672908477587228,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:16","startHours":22.672908477587228,"endHours":24.260314603540003,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:51","startHours":24.260314603540003,"endHours":25.847720729492785,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:26","startHours":25.847720729492785,"endHours":27.435126855445564,"quality":"neutral"},{"name":"Labha","start":"03:26","end":"05:01","startHours":27.435126855445564,"endHours":29.022532981398342,"quality":"auspicious"},{"name":"Amṛta","start":"05:01","end":"06:37","startHours":29.022532981398342,"endHours":30.60993910735112,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.60993910735112,"endHours":7.60993910735112,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.60993910735112,"endHours":8.60993910735112,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.60993910735112,"endHours":9.60993910735112,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.60993910735112,"endHours":10.60993910735112,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.60993910735112,"endHours":11.60993910735112,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.60993910735112,"endHours":12.60993910735112,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.60993910735112,"endHours":13.60993910735112,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.60993910735112,"endHours":14.60993910735112,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.60993910735112,"endHours":15.60993910735112,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.60993910735112,"endHours":16.60993910735112,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.60993910735112,"endHours":17.60993910735112,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.60993910735112,"endHours":18.60993910735112,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.60993910735112,"endHours":19.60993910735112,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.60993910735112,"endHours":20.60993910735112,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.60993910735112,"endHours":21.60993910735112,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.60993910735112,"endHours":22.60993910735112,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.60993910735112,"endHours":23.60993910735112,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.60993910735112,"endHours":24.60993910735112,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.60993910735112,"endHours":25.60993910735112,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.60993910735112,"endHours":26.60993910735112,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.60993910735112,"endHours":27.60993910735112,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.60993910735112,"endHours":28.60993910735112,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.60993910735112,"endHours":29.60993910735112,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.60993910735112,"endHours":30.60993910735112,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.075333533085374,"eotMinutes":-14.434876212400278,"ayanamsa":21.1727}},"calendars":{"vikram_samvat":1865,"vikram_samvatsara":"Vṛṣa","saka_samvat":1730,"saka_samvatsara":"Vibhava","bengali_samvat":1215,"malayalam_era":984,"nanakshahi_year":339,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Saptamī · Vikram 1865 Vṛṣa · Śaka 1730 Vibhava"},"festivals":[],"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 February 18, 1808 CE · Ayodhyā · Vidhyamitra","description":"February 18, 1808 CE for Ayodhyā: Kṛṣṇa Saptamī, sūryodaya 06:37, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1808-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1808-02-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1808-02-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1808-02-18","x-default":"https://vidhyamitra.com/city/ayodhya/1808-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:22:07.830Z","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":"2026-05-31T02:22:07.830Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:22:07.830Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}