{"id":"vidhyamitra:city-day:ayodhya:1836-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1836-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1836-02-13","date_display":"February 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2391687.770833,"kali_year":4937,"ahargana":1803222.2708,"sun":{"sidereal_longitude":302.3428,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":253.6454,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":311.3027,"elapsed_within_tithi_degrees":11.3027},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.6454,"elapsed_within_degrees":0.3121},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.9882},"karana":{"half_tithi_index":51,"name":"Bālava"},"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":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2391687.770833,"ahargana":1803222.2708,"kali_year":4937,"ayanamsa_lahiri":21.5637,"grahas":{"sun":{"sidereal_longitude":301.865097,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":251.02499699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-2.7088},"mars":{"sidereal_longitude":290.60629700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":319.44329700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":76.08309700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":335.27249700000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":195.51419699999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":36.6064,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":216.6064,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2391687.770833,"kali_year":4937,"ahargana":1803222.2708,"sun":{"sidereal_longitude":302.3428,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":253.6454,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":311.3027,"elapsed_within_tithi_degrees":11.3027},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.6454,"elapsed_within_degrees":0.3121},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.9882},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.709,"elongation":48.697},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.709,"opposition_distance":131.303}},"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":"06:40","sunsetLocal":"17:51","solarNoonLocal":"12:16","dayLengthHours":11.185273757701056,"dayLengthDisplay":"11 Hours 11 Mins 07 Secs","nightLengthDisplay":"12 Hours 48 Mins 53 Secs","moonriseLocal":"03:40","moonsetLocal":"14:05","rahuKala":{"name":"Rāhu Kāla","start":"09:28","end":"10:52","startHours":9.466740314918438,"endHours":10.864899534631071,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"15:04","startHours":13.661217974056335,"endHours":15.059377193768967,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:40","end":"08:04","startHours":6.670421875493174,"endHours":8.068581095205806,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.280319085623422,"endHours":9.653161544213456,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.136474948730718,"endHours":7.4347489156027455,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.890216295753667,"endHours":12.635901212933739,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:55","startHours":5.179052041133033,"endHours":5.924736958313104,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.738315729018086,"endHours":6.670421875493174,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:52","startHours":14.127271047293878,"endHours":14.872955964473949,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.65569563319423,"endHours":18.05569563319423,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:19","startHours":17.85569563319423,"endHours":18.321748706431773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.60569563319423,"endHours":19.35569563319423,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.890216295753667,"endHours":24.63590121293374,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:40","end":"08:04","startHours":6.670421875493174,"endHours":8.068581095205806,"quality":"inauspicious"},{"name":"Śubha","start":"08:04","end":"09:28","startHours":8.068581095205806,"endHours":9.466740314918438,"quality":"auspicious"},{"name":"Roga","start":"09:28","end":"10:52","startHours":9.466740314918438,"endHours":10.864899534631071,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:16","startHours":10.864899534631071,"endHours":12.263058754343703,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:40","startHours":12.263058754343703,"endHours":13.661217974056335,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"15:04","startHours":13.661217974056335,"endHours":15.059377193768967,"quality":"auspicious"},{"name":"Amṛta","start":"15:04","end":"16:27","startHours":15.059377193768967,"endHours":16.4575364134816,"quality":"auspicious"},{"name":"Kāla","start":"16:27","end":"17:51","startHours":16.4575364134816,"endHours":17.85569563319423,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:51","end":"19:27","startHours":17.85569563319423,"endHours":19.4575364134816,"quality":"auspicious"},{"name":"Amṛta","start":"19:27","end":"21:04","startHours":19.4575364134816,"endHours":21.059377193768967,"quality":"auspicious"},{"name":"Kāla","start":"21:04","end":"22:40","startHours":21.059377193768967,"endHours":22.661217974056335,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:16","startHours":22.661217974056335,"endHours":24.263058754343703,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:52","startHours":24.263058754343703,"endHours":25.86489953463107,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:28","startHours":25.86489953463107,"endHours":27.46674031491844,"quality":"inauspicious"},{"name":"Chala","start":"03:28","end":"05:04","startHours":27.46674031491844,"endHours":29.068581095205808,"quality":"neutral"},{"name":"Labha","start":"05:04","end":"06:40","startHours":29.068581095205808,"endHours":30.670421875493176,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.670421875493174,"endHours":7.670421875493174,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.670421875493174,"endHours":8.670421875493174,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.670421875493174,"endHours":9.670421875493174,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.670421875493174,"endHours":10.670421875493174,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.670421875493174,"endHours":11.670421875493174,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.670421875493174,"endHours":12.670421875493174,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.670421875493174,"endHours":13.670421875493174,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.670421875493174,"endHours":14.670421875493174,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.670421875493174,"endHours":15.670421875493174,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.670421875493174,"endHours":16.670421875493176,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.670421875493176,"endHours":17.670421875493176,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.670421875493176,"endHours":18.670421875493176,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.670421875493176,"endHours":19.670421875493176,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.670421875493176,"endHours":20.670421875493176,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.670421875493176,"endHours":21.670421875493176,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.670421875493176,"endHours":22.670421875493176,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.670421875493176,"endHours":23.670421875493176,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.670421875493176,"endHours":24.670421875493176,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.670421875493176,"endHours":25.670421875493176,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.670421875493176,"endHours":26.670421875493176,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.670421875493176,"endHours":27.670421875493176,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.670421875493176,"endHours":28.670421875493176,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.670421875493176,"endHours":29.670421875493176,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.670421875493176,"endHours":30.670421875493176,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.708216742078621,"eotMinutes":-14.599525260622107,"ayanamsa":21.5637}},"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 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 Ekādaśī · Vikram 1893 Saumya · Śaka 1758 Durmukhi"},"festivals":[{"id":"vijaya-ekadashi","name":"Vijayā Ekādaśī","name_sanskrit":"विजया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Rāma","significance":"Rāma observed this before crossing the ocean to Laṅkā.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 13, 1836 CE · Ayodhyā · Vidhyamitra","description":"February 13, 1836 CE for Ayodhyā: Kṛṣṇa Ekādaśī, sūryodaya 06:40, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1836-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1836-02-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1836-02-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1836-02-13","x-default":"https://vidhyamitra.com/city/ayodhya/1836-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:33:34.082Z","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":"2026-05-31T14:33:34.082Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:33:34.082Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}