{"id":"vidhyamitra:city-day:ayodhya:1855-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1855-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1855-05-13","date_display":"May 13, 1855 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":1855,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2398716.770833,"kali_year":4957,"ahargana":1810251.2708,"sun":{"sidereal_longitude":30.1861,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":352.8123,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.6262,"elapsed_within_tithi_degrees":10.6262},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.8123,"elapsed_within_degrees":6.1456},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.9983},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1855,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2398716.770833,"ahargana":1810251.2708,"kali_year":4957,"ayanamsa_lahiri":21.8325,"grahas":{"sun":{"sidereal_longitude":29.86183699999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":351.384137,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-2.3404},"mars":{"sidereal_longitude":24.413936999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":31.172236999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":309.969737,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":67.36863699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":55.144537000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":24.1761,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.1761,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"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":1855,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2398716.770833,"kali_year":4957,"ahargana":1810251.2708,"sun":{"sidereal_longitude":30.1861,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":352.8123,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.6262,"elapsed_within_tithi_degrees":10.6262},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.8123,"elapsed_within_degrees":6.1456},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.9983},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.34,"elongation":37.374},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.34,"opposition_distance":142.626}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":0.59,"opposition_distance":2.399},{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":0.804,"elongation":1.256}]},"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":"05:15","sunsetLocal":"18:40","solarNoonLocal":"11:57","dayLengthHours":13.406581548649772,"dayLengthDisplay":"13 Hours 24 Mins 24 Secs","nightLengthDisplay":"10 Hours 35 Mins 36 Secs","moonriseLocal":"03:10","moonsetLocal":"15:37","rahuKala":{"name":"Rāhu Kāla","start":"16:59","end":"18:40","startHours":16.984644101684392,"endHours":18.660466795265613,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:57","end":"13:38","startHours":11.957176020940727,"endHours":13.632998714521948,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:59","startHours":15.30882140810317,"endHours":16.984644101684392,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.382087607967454,"endHours":8.828973659589114,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:10","startHours":5.812492811142915,"endHours":6.170001652440242,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.510289969319068,"endHours":12.404062072562386,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:22","startHours":3.4663410401292047,"endHours":4.360113143372523,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:15","startHours":4.136670117561693,"endHours":5.253885246615841,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:05","startHours":14.191606279049022,"endHours":15.08537838229234,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.460466795265614,"endHours":18.860466795265612,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:13","startHours":18.660466795265613,"endHours":19.219074359792685,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.410466795265613,"endHours":20.160466795265613,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.510289969319068,"endHours":24.40406207256239,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:15","end":"06:56","startHours":5.253885246615841,"endHours":6.929707940197062,"quality":"inauspicious"},{"name":"Chala","start":"06:56","end":"08:36","startHours":6.929707940197062,"endHours":8.605530633778283,"quality":"neutral"},{"name":"Labha","start":"08:36","end":"10:17","startHours":8.605530633778283,"endHours":10.281353327359506,"quality":"auspicious"},{"name":"Amṛta","start":"10:17","end":"11:57","startHours":10.281353327359506,"endHours":11.957176020940727,"quality":"auspicious"},{"name":"Kāla","start":"11:57","end":"13:38","startHours":11.957176020940727,"endHours":13.632998714521948,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:19","startHours":13.632998714521948,"endHours":15.30882140810317,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:59","startHours":15.30882140810317,"endHours":16.984644101684392,"quality":"inauspicious"},{"name":"Udveg","start":"16:59","end":"18:40","startHours":16.984644101684392,"endHours":18.660466795265613,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:40","end":"19:59","startHours":18.660466795265613,"endHours":19.984644101684392,"quality":"auspicious"},{"name":"Roga","start":"19:59","end":"21:19","startHours":19.984644101684392,"endHours":21.30882140810317,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:38","startHours":21.30882140810317,"endHours":22.63299871452195,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"23:57","startHours":22.63299871452195,"endHours":23.95717602094073,"quality":"neutral"},{"name":"Labha","start":"23:57","end":"01:17","startHours":23.95717602094073,"endHours":25.281353327359504,"quality":"auspicious"},{"name":"Amṛta","start":"01:17","end":"02:36","startHours":25.281353327359504,"endHours":26.605530633778283,"quality":"auspicious"},{"name":"Kāla","start":"02:36","end":"03:56","startHours":26.605530633778283,"endHours":27.929707940197062,"quality":"inauspicious"},{"name":"Śubha","start":"03:56","end":"05:15","startHours":27.929707940197062,"endHours":29.25388524661584,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.253885246615841,"endHours":6.253885246615841,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.253885246615841,"endHours":7.253885246615841,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.253885246615841,"endHours":8.253885246615841,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.253885246615841,"endHours":9.253885246615841,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.253885246615841,"endHours":10.253885246615841,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.253885246615841,"endHours":11.253885246615841,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.253885246615841,"endHours":12.253885246615841,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.253885246615841,"endHours":13.253885246615841,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.253885246615841,"endHours":14.253885246615841,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.253885246615841,"endHours":15.253885246615841,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.253885246615841,"endHours":16.25388524661584,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.25388524661584,"endHours":17.25388524661584,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.25388524661584,"endHours":18.25388524661584,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.25388524661584,"endHours":19.25388524661584,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.25388524661584,"endHours":20.25388524661584,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.25388524661584,"endHours":21.25388524661584,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.25388524661584,"endHours":22.25388524661584,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.25388524661584,"endHours":23.25388524661584,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.25388524661584,"endHours":24.25388524661584,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.25388524661584,"endHours":25.25388524661584,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.25388524661584,"endHours":26.25388524661584,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.25388524661584,"endHours":27.25388524661584,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.25388524661584,"endHours":28.25388524661584,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.25388524661584,"endHours":29.25388524661584,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.18623426049822,"eotMinutes":3.7534387435564067,"ayanamsa":21.8325}},"calendars":{"vikram_samvat":1912,"vikram_samvatsara":"Vibhava","saka_samvat":1777,"saka_samvatsara":"Rākṣasa","bengali_samvat":1262,"malayalam_era":1031,"nanakshahi_year":386,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Dvādaśī · Vikram 1912 Vibhava · Śaka 1777 Rākṣasa"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi_ingress":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 May 13, 1855 CE · Ayodhyā · Vidhyamitra","description":"May 13, 1855 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 05:15, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1855-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1855-05-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1855-05-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1855-05-13","x-default":"https://vidhyamitra.com/city/ayodhya/1855-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:09:57.782Z","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":"2026-05-31T00:09:57.782Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:09:57.782Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}