{"id":"vidhyamitra:city-day:ayodhya:1830-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1830-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1830-02-20","date_display":"February 20, 1830 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":1830,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2389503.770833,"kali_year":4931,"ahargana":1801038.2708,"sun":{"sidereal_longitude":309.9933,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":268.4989,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.5055,"elapsed_within_tithi_degrees":6.5055},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.4989,"elapsed_within_degrees":1.8322},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":218.4922},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1830,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2389503.770833,"ahargana":1801038.2708,"kali_year":4931,"ayanamsa_lahiri":21.4802,"grahas":{"sun":{"sidereal_longitude":309.4689410000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":267.25664099999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":4.0378},"mars":{"sidereal_longitude":247.10574100000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":296.047241,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":261.34044100000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":335.104241,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":113.60664099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":152.3252,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.3252,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1830,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2389503.770833,"kali_year":4931,"ahargana":1801038.2708,"sun":{"sidereal_longitude":309.9933,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":268.4989,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.5055,"elapsed_within_tithi_degrees":6.5055},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.4989,"elapsed_within_degrees":1.8322},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":218.4922},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.038,"elongation":41.494},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.038,"opposition_distance":138.506}},"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":"06:34","sunsetLocal":"17:56","solarNoonLocal":"12:15","dayLengthHours":11.366527682475972,"dayLengthDisplay":"11 Hours 21 Mins 59 Secs","nightLengthDisplay":"12 Hours 38 Mins 01 Secs","moonriseLocal":"04:11","moonsetLocal":"14:42","rahuKala":{"name":"Rāhu Kāla","start":"09:25","end":"10:50","startHours":9.416157163459712,"endHours":10.836973123769207,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:41","end":"15:06","startHours":13.6786050443882,"endHours":15.099421004697696,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:34","end":"08:00","startHours":6.574525242840718,"endHours":7.995341203150215,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:36","startHours":9.226715035418444,"endHours":9.605599291500976,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.048130562943883,"endHours":7.351237967809909,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.878904827996172,"endHours":12.636673340161236,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:49","startHours":5.0589882185105886,"endHours":5.816756730675653,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:34","startHours":5.627314602634387,"endHours":6.574525242840718,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:55","startHours":14.152210364491365,"endHours":14.90997887665643,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.74105292531669,"endHours":18.14105292531669,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:25","startHours":17.94105292531669,"endHours":18.414658245419854,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.69105292531669,"endHours":19.44105292531669,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.87890482799617,"endHours":24.636673340161234,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:34","end":"08:00","startHours":6.574525242840718,"endHours":7.995341203150215,"quality":"inauspicious"},{"name":"Śubha","start":"08:00","end":"09:25","startHours":7.995341203150215,"endHours":9.416157163459712,"quality":"auspicious"},{"name":"Roga","start":"09:25","end":"10:50","startHours":9.416157163459712,"endHours":10.836973123769207,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:15","startHours":10.836973123769207,"endHours":12.257789084078704,"quality":"inauspicious"},{"name":"Chala","start":"12:15","end":"13:41","startHours":12.257789084078704,"endHours":13.6786050443882,"quality":"neutral"},{"name":"Labha","start":"13:41","end":"15:06","startHours":13.6786050443882,"endHours":15.099421004697696,"quality":"auspicious"},{"name":"Amṛta","start":"15:06","end":"16:31","startHours":15.099421004697696,"endHours":16.520236965007193,"quality":"auspicious"},{"name":"Kāla","start":"16:31","end":"17:56","startHours":16.520236965007193,"endHours":17.94105292531669,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:56","end":"19:31","startHours":17.94105292531669,"endHours":19.520236965007193,"quality":"auspicious"},{"name":"Amṛta","start":"19:31","end":"21:06","startHours":19.520236965007193,"endHours":21.099421004697696,"quality":"auspicious"},{"name":"Kāla","start":"21:06","end":"22:41","startHours":21.099421004697696,"endHours":22.6786050443882,"quality":"inauspicious"},{"name":"Śubha","start":"22:41","end":"00:15","startHours":22.6786050443882,"endHours":24.257789084078702,"quality":"auspicious"},{"name":"Roga","start":"00:15","end":"01:50","startHours":24.257789084078702,"endHours":25.836973123769205,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:25","startHours":25.836973123769205,"endHours":27.41615716345971,"quality":"inauspicious"},{"name":"Chala","start":"03:25","end":"05:00","startHours":27.41615716345971,"endHours":28.995341203150215,"quality":"neutral"},{"name":"Labha","start":"05:00","end":"06:34","startHours":28.995341203150215,"endHours":30.574525242840718,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.574525242840718,"endHours":7.574525242840718,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.574525242840718,"endHours":8.574525242840718,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.574525242840718,"endHours":9.574525242840718,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.574525242840718,"endHours":10.574525242840718,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.574525242840718,"endHours":11.574525242840718,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.574525242840718,"endHours":12.574525242840718,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.574525242840718,"endHours":13.574525242840718,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.574525242840718,"endHours":14.574525242840718,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.574525242840718,"endHours":15.574525242840718,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.574525242840718,"endHours":16.574525242840718,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.574525242840718,"endHours":17.574525242840718,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.574525242840718,"endHours":18.574525242840718,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.574525242840718,"endHours":19.574525242840718,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.574525242840718,"endHours":20.574525242840718,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.574525242840718,"endHours":21.574525242840718,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.574525242840718,"endHours":22.574525242840718,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.574525242840718,"endHours":23.574525242840718,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.574525242840718,"endHours":24.574525242840718,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.574525242840718,"endHours":25.574525242840718,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.574525242840718,"endHours":26.574525242840718,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.574525242840718,"endHours":27.574525242840718,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.574525242840718,"endHours":28.574525242840718,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.574525242840718,"endHours":29.574525242840718,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.574525242840718,"endHours":30.574525242840718,"planetary_lord":"Mercury"}],"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","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.135692788156556,"eotMinutes":-14.28334504472219,"ayanamsa":21.4802}},"calendars":{"vikram_samvat":1887,"vikram_samvatsara":"Śobhana","saka_samvat":1752,"saka_samvatsara":"Vikṛti","bengali_samvat":1237,"malayalam_era":1006,"nanakshahi_year":361,"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 Dvādaśī · Vikram 1887 Śobhana · Śaka 1752 Vikṛti"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 February 20, 1830 CE · Ayodhyā · Vidhyamitra","description":"February 20, 1830 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 06:34, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1830-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1830-02-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1830-02-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1830-02-20","x-default":"https://vidhyamitra.com/city/ayodhya/1830-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:15:44.447Z","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":"2026-05-31T13:15:44.447Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:15:44.447Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}