{"id":"vidhyamitra:city-day:ayodhya:1837-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1837-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1837-05-12","date_display":"May 12, 1837 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":1837,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2392141.770833,"kali_year":4939,"ahargana":1803676.2708,"sun":{"sidereal_longitude":29.8579,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":113.83,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.9721,"elapsed_within_tithi_degrees":11.9721},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":113.83,"elapsed_within_degrees":7.1633},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.6878},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1837,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2392141.770833,"ahargana":1803676.2708,"kali_year":4939,"ayanamsa_lahiri":21.581,"grahas":{"sun":{"sidereal_longitude":29.48984999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":111.93484999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":4.4129},"mars":{"sidereal_longitude":121.76855,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":53.61255,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":109.92635000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":30.01695000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":203.63445000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":12.5513,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":192.5513,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1837,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2392141.770833,"kali_year":4939,"ahargana":1803676.2708,"sun":{"sidereal_longitude":29.8579,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":113.83,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.9721,"elapsed_within_tithi_degrees":11.9721},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":113.83,"elapsed_within_degrees":7.1633},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.6878},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.413,"elongation":83.972},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.413,"opposition_distance":96.028}},"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":"05:16","sunsetLocal":"18:39","solarNoonLocal":"11:57","dayLengthHours":13.39411239511994,"dayLengthDisplay":"13 Hours 23 Mins 39 Secs","nightLengthDisplay":"10 Hours 36 Mins 21 Secs","moonriseLocal":"10:49","moonsetLocal":"00:05","rahuKala":{"name":"Rāhu Kāla","start":"10:17","end":"11:57","startHours":10.2831762892822,"endHours":11.957440338672193,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:18","end":"16:59","startHours":15.305968437452176,"endHours":16.98023248684217,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:56","end":"08:37","startHours":6.934648190502214,"endHours":8.608912239892206,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.385677033306875,"endHours":8.832147446477538,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:11","startHours":5.8184721575755525,"endHours":6.175648488112084,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.510969925501527,"endHours":12.403910751842858,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:22","startHours":3.4745024884295628,"endHours":4.367443314770893,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:16","startHours":4.14420810818556,"endHours":5.260384141112222,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:05","startHours":14.189792404525516,"endHours":15.082733230866845,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.454496536232163,"endHours":18.854496536232162,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:13","startHours":18.654496536232163,"endHours":19.212584552695493,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.404496536232163,"endHours":20.154496536232163,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.510969925501527,"endHours":24.403910751842858,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:16","end":"06:56","startHours":5.260384141112222,"endHours":6.934648190502214,"quality":"neutral"},{"name":"Labha","start":"06:56","end":"08:37","startHours":6.934648190502214,"endHours":8.608912239892206,"quality":"auspicious"},{"name":"Amṛta","start":"08:37","end":"10:17","startHours":8.608912239892206,"endHours":10.2831762892822,"quality":"auspicious"},{"name":"Kāla","start":"10:17","end":"11:57","startHours":10.2831762892822,"endHours":11.957440338672193,"quality":"inauspicious"},{"name":"Śubha","start":"11:57","end":"13:38","startHours":11.957440338672193,"endHours":13.631704388062186,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:18","startHours":13.631704388062186,"endHours":15.305968437452176,"quality":"inauspicious"},{"name":"Udveg","start":"15:18","end":"16:59","startHours":15.305968437452176,"endHours":16.98023248684217,"quality":"inauspicious"},{"name":"Chala","start":"16:59","end":"18:39","startHours":16.98023248684217,"endHours":18.654496536232163,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:39","end":"19:59","startHours":18.654496536232163,"endHours":19.98023248684217,"quality":"inauspicious"},{"name":"Udveg","start":"19:59","end":"21:18","startHours":19.98023248684217,"endHours":21.30596843745218,"quality":"inauspicious"},{"name":"Chala","start":"21:18","end":"22:38","startHours":21.30596843745218,"endHours":22.631704388062186,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"23:57","startHours":22.631704388062186,"endHours":23.957440338672193,"quality":"auspicious"},{"name":"Amṛta","start":"23:57","end":"01:17","startHours":23.957440338672193,"endHours":25.2831762892822,"quality":"auspicious"},{"name":"Kāla","start":"01:17","end":"02:37","startHours":25.2831762892822,"endHours":26.608912239892206,"quality":"inauspicious"},{"name":"Śubha","start":"02:37","end":"03:56","startHours":26.608912239892206,"endHours":27.934648190502216,"quality":"auspicious"},{"name":"Roga","start":"03:56","end":"05:16","startHours":27.934648190502216,"endHours":29.260384141112223,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.260384141112222,"endHours":6.260384141112222,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.260384141112222,"endHours":7.260384141112222,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.260384141112222,"endHours":8.260384141112223,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.260384141112223,"endHours":9.260384141112223,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.260384141112223,"endHours":10.260384141112223,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.260384141112223,"endHours":11.260384141112223,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.260384141112223,"endHours":12.260384141112223,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.260384141112223,"endHours":13.260384141112223,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.260384141112223,"endHours":14.260384141112223,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.260384141112223,"endHours":15.260384141112223,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.260384141112223,"endHours":16.260384141112223,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.260384141112223,"endHours":17.260384141112223,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.260384141112223,"endHours":18.260384141112223,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.260384141112223,"endHours":19.260384141112223,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.260384141112223,"endHours":20.260384141112223,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.260384141112223,"endHours":21.260384141112223,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.260384141112223,"endHours":22.260384141112223,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.260384141112223,"endHours":23.260384141112223,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.260384141112223,"endHours":24.260384141112223,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.260384141112223,"endHours":25.260384141112223,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.260384141112223,"endHours":26.260384141112223,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.260384141112223,"endHours":27.260384141112223,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.260384141112223,"endHours":28.260384141112223,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.260384141112223,"endHours":29.260384141112223,"planetary_lord":"Mars"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Ānanda","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":18.023404012647593,"eotMinutes":3.7375796796685163,"ayanamsa":21.581}},"calendars":{"vikram_samvat":1894,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1759,"saka_samvatsara":"Hemalambī","bengali_samvat":1244,"malayalam_era":1013,"nanakshahi_year":368,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","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":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Saptamī · Vikram 1894 Sādhāraṇa · Śaka 1759 Hemalambī"},"festivals":[{"id":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 12, 1837 CE · Ayodhyā · Vidhyamitra","description":"May 12, 1837 CE for Ayodhyā: Śukla Saptamī, sūryodaya 05:16, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1837-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1837-05-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1837-05-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1837-05-12","x-default":"https://vidhyamitra.com/city/ayodhya/1837-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:23:58.289Z","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":"2026-06-02T08:23:58.289Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:23:58.289Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}