{"id":"vidhyamitra:city-day:ayodhya:1818-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1818-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-05-12","date_display":"May 12, 1818 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":1818,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385201.770833,"kali_year":4920,"ahargana":1796736.2708,"sun":{"sidereal_longitude":29.7777,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":107.3204,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.5427,"elapsed_within_tithi_degrees":5.5427},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.3204,"elapsed_within_degrees":0.6537},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.0981},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1818,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385201.770833,"ahargana":1796736.2708,"kali_year":4920,"ayanamsa_lahiri":21.3156,"grahas":{"sun":{"sidereal_longitude":29.364508999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":103.06300900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":4.494},"mars":{"sidereal_longitude":95.91830900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":46.90190899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":263.70440900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":47.334708999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":326.76010900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":20.2659,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.2659,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1818,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385201.770833,"kali_year":4920,"ahargana":1796736.2708,"sun":{"sidereal_longitude":29.7777,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":107.3204,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.5427,"elapsed_within_tithi_degrees":5.5427},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.3204,"elapsed_within_degrees":0.6537},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.0981},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.494,"elongation":77.543},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.494,"opposition_distance":102.457}},"eclipse_window_40days":[{"offset_days":-7,"type":"solar","occurs":true,"moon_latitude":0.049,"elongation":1.791}]},"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":13.386232032488138,"dayLengthDisplay":"13 Hours 23 Mins 10 Secs","nightLengthDisplay":"10 Hours 36 Mins 50 Secs","moonriseLocal":"10:09","moonsetLocal":"23:35","rahuKala":{"name":"Rāhu Kāla","start":"15:18","end":"16:59","startHours":15.303998346794227,"endHours":16.977277350855246,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:37","end":"10:17","startHours":8.610882330550158,"endHours":10.284161334611177,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:57","end":"13:38","startHours":11.957440338672193,"endHours":13.630719342733212,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.387778463342023,"endHours":8.833986197758295,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:11","startHours":5.822083990448464,"endHours":6.17905017798148,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.511232604255921,"endHours":12.403648073088464,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:22","startHours":3.4794933847630394,"endHours":4.371908853595582,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:16","startHours":4.1488049863874465,"endHours":5.264324322428124,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:05","startHours":14.18847901075355,"endHours":15.080894479586092,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.450556354916262,"endHours":18.85055635491626,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:12","startHours":18.65055635491626,"endHours":19.2083160229366,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.40055635491626,"endHours":20.15055635491626,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.51123260425592,"endHours":24.403648073088466,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:16","end":"06:56","startHours":5.264324322428124,"endHours":6.937603326489142,"quality":"inauspicious"},{"name":"Udveg","start":"06:56","end":"08:37","startHours":6.937603326489142,"endHours":8.610882330550158,"quality":"inauspicious"},{"name":"Chala","start":"08:37","end":"10:17","startHours":8.610882330550158,"endHours":10.284161334611177,"quality":"neutral"},{"name":"Labha","start":"10:17","end":"11:57","startHours":10.284161334611177,"endHours":11.957440338672193,"quality":"auspicious"},{"name":"Amṛta","start":"11:57","end":"13:38","startHours":11.957440338672193,"endHours":13.630719342733212,"quality":"auspicious"},{"name":"Kāla","start":"13:38","end":"15:18","startHours":13.630719342733212,"endHours":15.303998346794227,"quality":"inauspicious"},{"name":"Śubha","start":"15:18","end":"16:59","startHours":15.303998346794227,"endHours":16.977277350855246,"quality":"auspicious"},{"name":"Roga","start":"16:59","end":"18:39","startHours":16.977277350855246,"endHours":18.65055635491626,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:39","end":"19:59","startHours":18.65055635491626,"endHours":19.977277350855246,"quality":"inauspicious"},{"name":"Śubha","start":"19:59","end":"21:18","startHours":19.977277350855246,"endHours":21.303998346794227,"quality":"auspicious"},{"name":"Roga","start":"21:18","end":"22:38","startHours":21.303998346794227,"endHours":22.630719342733208,"quality":"inauspicious"},{"name":"Udveg","start":"22:38","end":"23:57","startHours":22.630719342733208,"endHours":23.957440338672193,"quality":"inauspicious"},{"name":"Chala","start":"23:57","end":"01:17","startHours":23.957440338672193,"endHours":25.284161334611177,"quality":"neutral"},{"name":"Labha","start":"01:17","end":"02:37","startHours":25.284161334611177,"endHours":26.610882330550158,"quality":"auspicious"},{"name":"Amṛta","start":"02:37","end":"03:56","startHours":26.610882330550158,"endHours":27.93760332648914,"quality":"auspicious"},{"name":"Kāla","start":"03:56","end":"05:16","startHours":27.93760332648914,"endHours":29.264324322428124,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.264324322428124,"endHours":6.264324322428124,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.264324322428124,"endHours":7.264324322428124,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.264324322428124,"endHours":8.264324322428124,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.264324322428124,"endHours":9.264324322428124,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.264324322428124,"endHours":10.264324322428124,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.264324322428124,"endHours":11.264324322428124,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.264324322428124,"endHours":12.264324322428124,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.264324322428124,"endHours":13.264324322428124,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.264324322428124,"endHours":14.264324322428124,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.264324322428124,"endHours":15.264324322428124,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.264324322428124,"endHours":16.264324322428124,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.264324322428124,"endHours":17.264324322428124,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.264324322428124,"endHours":18.264324322428124,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.264324322428124,"endHours":19.264324322428124,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.264324322428124,"endHours":20.264324322428124,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.264324322428124,"endHours":21.264324322428124,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.264324322428124,"endHours":22.264324322428124,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.264324322428124,"endHours":23.264324322428124,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.264324322428124,"endHours":24.264324322428124,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.264324322428124,"endHours":25.264324322428124,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.264324322428124,"endHours":26.264324322428124,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.264324322428124,"endHours":27.264324322428124,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.264324322428124,"endHours":28.264324322428124,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.264324322428124,"endHours":29.264324322428124,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.9203088157267,"eotMinutes":3.7375796796685163,"ayanamsa":21.3156}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"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 1875 Khara · Śaka 1740 Bahudhānya"},"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 1818 CE · Ayodhyā · Vidhyamitra","description":"May 12, 1818 CE for Ayodhyā: Śukla Saptamī, sūryodaya 05:16, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1818-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1818-05-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1818-05-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1818-05-12","x-default":"https://vidhyamitra.com/city/ayodhya/1818-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:32:55.482Z","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":"2026-05-31T21:32:55.482Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:32:55.482Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}