{"id":"vidhyamitra:city-day:ayodhya:1836-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1836-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1836-02-20","date_display":"February 20, 1836 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":1836,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2391694.770833,"kali_year":4937,"ahargana":1803229.2708,"sun":{"sidereal_longitude":309.4348,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":350.263,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.8283,"elapsed_within_tithi_degrees":4.8283},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.263,"elapsed_within_degrees":3.5964},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.6978},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1836,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2391694.770833,"ahargana":1803229.2708,"kali_year":4937,"ayanamsa_lahiri":21.564,"grahas":{"sun":{"sidereal_longitude":308.926929,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":348.854329,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-3.2339},"mars":{"sidereal_longitude":296.094829,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":315.694029,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":75.76472899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":343.834229,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":195.490229,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":36.2355,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":216.2355,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1836,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2391694.770833,"kali_year":4937,"ahargana":1803229.2708,"sun":{"sidereal_longitude":309.4348,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":350.263,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.8283,"elapsed_within_tithi_degrees":4.8283},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.263,"elapsed_within_degrees":3.5964},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.6978},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.234,"elongation":40.828},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.234,"opposition_distance":139.172}},"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":"06:35","sunsetLocal":"17:56","solarNoonLocal":"12:15","dayLengthHours":11.35521570701769,"dayLengthDisplay":"11 Hours 21 Mins 19 Secs","nightLengthDisplay":"12 Hours 38 Mins 41 Secs","moonriseLocal":"08:44","moonsetLocal":"21:06","rahuKala":{"name":"Rāhu Kāla","start":"09:25","end":"10:50","startHours":9.41898515732428,"endHours":10.83838712070149,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:41","end":"15:06","startHours":13.677191047455914,"endHours":15.096593010833125,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:35","end":"08:00","startHours":6.580181230569858,"endHours":7.999583193947069,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:36","startHours":9.22973156220732,"endHours":9.608238752441242,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.053315218362262,"endHours":7.356120970549401,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.87928189384478,"endHours":12.636296274312627,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:49","startHours":5.066152469634166,"endHours":5.823166850102012,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:35","startHours":5.633913254985051,"endHours":6.580181230569858,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:54","startHours":14.150325035248319,"endHours":14.907339415716164,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.73539693758755,"endHours":18.135396937587547,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:25","startHours":17.935396937587548,"endHours":18.408530925379953,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.685396937587548,"endHours":19.435396937587548,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.87928189384478,"endHours":24.636296274312624,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:35","end":"08:00","startHours":6.580181230569858,"endHours":7.999583193947069,"quality":"inauspicious"},{"name":"Śubha","start":"08:00","end":"09:25","startHours":7.999583193947069,"endHours":9.41898515732428,"quality":"auspicious"},{"name":"Roga","start":"09:25","end":"10:50","startHours":9.41898515732428,"endHours":10.83838712070149,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:15","startHours":10.83838712070149,"endHours":12.257789084078702,"quality":"inauspicious"},{"name":"Chala","start":"12:15","end":"13:41","startHours":12.257789084078702,"endHours":13.677191047455914,"quality":"neutral"},{"name":"Labha","start":"13:41","end":"15:06","startHours":13.677191047455914,"endHours":15.096593010833125,"quality":"auspicious"},{"name":"Amṛta","start":"15:06","end":"16:31","startHours":15.096593010833125,"endHours":16.515994974210336,"quality":"auspicious"},{"name":"Kāla","start":"16:31","end":"17:56","startHours":16.515994974210336,"endHours":17.935396937587548,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:56","end":"19:31","startHours":17.935396937587548,"endHours":19.515994974210336,"quality":"auspicious"},{"name":"Amṛta","start":"19:31","end":"21:06","startHours":19.515994974210336,"endHours":21.096593010833125,"quality":"auspicious"},{"name":"Kāla","start":"21:06","end":"22:41","startHours":21.096593010833125,"endHours":22.677191047455914,"quality":"inauspicious"},{"name":"Śubha","start":"22:41","end":"00:15","startHours":22.677191047455914,"endHours":24.257789084078702,"quality":"auspicious"},{"name":"Roga","start":"00:15","end":"01:50","startHours":24.257789084078702,"endHours":25.83838712070149,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:25","startHours":25.83838712070149,"endHours":27.41898515732428,"quality":"inauspicious"},{"name":"Chala","start":"03:25","end":"05:00","startHours":27.41898515732428,"endHours":28.999583193947068,"quality":"neutral"},{"name":"Labha","start":"05:00","end":"06:35","startHours":28.999583193947068,"endHours":30.580181230569856,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.580181230569858,"endHours":7.580181230569858,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.580181230569858,"endHours":8.580181230569858,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.580181230569858,"endHours":9.580181230569858,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.580181230569858,"endHours":10.580181230569858,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.580181230569858,"endHours":11.580181230569858,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.580181230569858,"endHours":12.580181230569858,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.580181230569858,"endHours":13.580181230569858,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.580181230569858,"endHours":14.580181230569858,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.580181230569858,"endHours":15.580181230569858,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.580181230569858,"endHours":16.580181230569856,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.580181230569856,"endHours":17.580181230569856,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.580181230569856,"endHours":18.580181230569856,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.580181230569856,"endHours":19.580181230569856,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.580181230569856,"endHours":20.580181230569856,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.580181230569856,"endHours":21.580181230569856,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.580181230569856,"endHours":22.580181230569856,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.580181230569856,"endHours":23.580181230569856,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.580181230569856,"endHours":24.580181230569856,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.580181230569856,"endHours":25.580181230569856,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.580181230569856,"endHours":26.580181230569856,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.580181230569856,"endHours":27.580181230569856,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.580181230569856,"endHours":28.580181230569856,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.580181230569856,"endHours":29.580181230569856,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.580181230569856,"endHours":30.580181230569856,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","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":-11.297750094578598,"eotMinutes":-14.28334504472219,"ayanamsa":21.564}},"calendars":{"vikram_samvat":1893,"vikram_samvatsara":"Saumya","saka_samvat":1758,"saka_samvatsara":"Durmukhi","bengali_samvat":1243,"malayalam_era":1012,"nanakshahi_year":367,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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 Śukla Caturthī · Vikram 1893 Saumya · Śaka 1758 Durmukhi"},"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":"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, 1836 CE · Ayodhyā · Vidhyamitra","description":"February 20, 1836 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:35, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1836-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1836-02-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1836-02-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1836-02-20","x-default":"https://vidhyamitra.com/city/ayodhya/1836-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:35:47.746Z","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":"2026-05-31T17:35:47.746Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:35:47.746Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}