{"id":"vidhyamitra:city-day:ayodhya:2331-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2331-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2331-05-13","date_display":"May 13, 2331 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":2331,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2572571.770833,"kali_year":5433,"ahargana":1984106.2708,"sun":{"sidereal_longitude":22.3408,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":81.9199,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.5791,"elapsed_within_tithi_degrees":11.5791},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.9199,"elapsed_within_degrees":1.9199},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.2607},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2331,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2572571.770833,"ahargana":1984106.2708,"kali_year":5433,"ayanamsa_lahiri":28.4818,"grahas":{"sun":{"sidereal_longitude":23.091498,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":78.40339799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-4.4998},"mars":{"sidereal_longitude":31.085298000000023,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":36.29729800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":347.368598,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":16.23389800000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":110.925298,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":172.5016,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":352.5016,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2331,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2572571.770833,"kali_year":5433,"ahargana":1984106.2708,"sun":{"sidereal_longitude":22.3408,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":81.9199,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.5791,"elapsed_within_tithi_degrees":11.5791},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.9199,"elapsed_within_degrees":1.9199},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.2607},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":59.579},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":120.421}},"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":"05:15","sunsetLocal":"18:40","solarNoonLocal":"11:57","dayLengthHours":13.404171092383184,"dayLengthDisplay":"13 Hours 24 Mins 15 Secs","nightLengthDisplay":"10 Hours 35 Mins 45 Secs","moonriseLocal":"08:48","moonsetLocal":"22:30","rahuKala":{"name":"Rāhu Kāla","start":"11:57","end":"13:38","startHours":11.957176020940727,"endHours":13.632697407488624,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:56","end":"08:36","startHours":6.930611861297033,"endHours":8.60613324784493,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:17","end":"11:57","startHours":10.28165463439283,"endHours":11.957176020940727,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.382730396305211,"endHours":8.82953609938465,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:10","startHours":5.813597603598435,"endHours":6.171042166061986,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.510370317861288,"endHours":12.403981724020166,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:22","startHours":3.4678676624313773,"endHours":4.361479068590256,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:15","startHours":4.1380762170505365,"endHours":5.255090474749135,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:05","startHours":14.191204536337924,"endHours":15.084815942496803,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.45926156713232,"endHours":18.859261567132318,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:13","startHours":18.65926156713232,"endHours":19.21776869598162,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.40926156713232,"endHours":20.15926156713232,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.510370317861288,"endHours":24.40398172402017,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:15","end":"06:56","startHours":5.255090474749135,"endHours":6.930611861297033,"quality":"auspicious"},{"name":"Amṛta","start":"06:56","end":"08:36","startHours":6.930611861297033,"endHours":8.60613324784493,"quality":"auspicious"},{"name":"Kāla","start":"08:36","end":"10:17","startHours":8.60613324784493,"endHours":10.28165463439283,"quality":"inauspicious"},{"name":"Śubha","start":"10:17","end":"11:57","startHours":10.28165463439283,"endHours":11.957176020940727,"quality":"auspicious"},{"name":"Roga","start":"11:57","end":"13:38","startHours":11.957176020940727,"endHours":13.632697407488624,"quality":"inauspicious"},{"name":"Udveg","start":"13:38","end":"15:18","startHours":13.632697407488624,"endHours":15.308218794036524,"quality":"inauspicious"},{"name":"Chala","start":"15:18","end":"16:59","startHours":15.308218794036524,"endHours":16.98374018058442,"quality":"neutral"},{"name":"Labha","start":"16:59","end":"18:40","startHours":16.98374018058442,"endHours":18.65926156713232,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:40","end":"19:59","startHours":18.65926156713232,"endHours":19.98374018058442,"quality":"inauspicious"},{"name":"Chala","start":"19:59","end":"21:18","startHours":19.98374018058442,"endHours":21.308218794036524,"quality":"neutral"},{"name":"Labha","start":"21:18","end":"22:38","startHours":21.308218794036524,"endHours":22.632697407488624,"quality":"auspicious"},{"name":"Amṛta","start":"22:38","end":"23:57","startHours":22.632697407488624,"endHours":23.95717602094073,"quality":"auspicious"},{"name":"Kāla","start":"23:57","end":"01:17","startHours":23.95717602094073,"endHours":25.28165463439283,"quality":"inauspicious"},{"name":"Śubha","start":"01:17","end":"02:36","startHours":25.28165463439283,"endHours":26.60613324784493,"quality":"auspicious"},{"name":"Roga","start":"02:36","end":"03:56","startHours":26.60613324784493,"endHours":27.93061186129703,"quality":"inauspicious"},{"name":"Udveg","start":"03:56","end":"05:15","startHours":27.93061186129703,"endHours":29.255090474749135,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.255090474749135,"endHours":6.255090474749135,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.255090474749135,"endHours":7.255090474749135,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.255090474749135,"endHours":8.255090474749135,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.255090474749135,"endHours":9.255090474749135,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.255090474749135,"endHours":10.255090474749135,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.255090474749135,"endHours":11.255090474749135,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.255090474749135,"endHours":12.255090474749135,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.255090474749135,"endHours":13.255090474749135,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.255090474749135,"endHours":14.255090474749135,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.255090474749135,"endHours":15.255090474749135,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.255090474749135,"endHours":16.255090474749135,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.255090474749135,"endHours":17.255090474749135,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.255090474749135,"endHours":18.255090474749135,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.255090474749135,"endHours":19.255090474749135,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.255090474749135,"endHours":20.255090474749135,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.255090474749135,"endHours":21.255090474749135,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.255090474749135,"endHours":22.255090474749135,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.255090474749135,"endHours":23.255090474749135,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.255090474749135,"endHours":24.255090474749135,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.255090474749135,"endHours":25.255090474749135,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.255090474749135,"endHours":26.255090474749135,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.255090474749135,"endHours":27.255090474749135,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.255090474749135,"endHours":28.255090474749135,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.255090474749135,"endHours":29.255090474749135,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","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":18.154785512391953,"eotMinutes":3.7534387435564067,"ayanamsa":28.4818}},"calendars":{"vikram_samvat":2388,"vikram_samvatsara":"Raktākṣī","saka_samvat":2253,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1738,"malayalam_era":1507,"nanakshahi_year":862,"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 Pañcamī · Vikram 2388 Raktākṣī · Śaka 2253 Virodhakṛt"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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, 2331 CE · Ayodhyā · Vidhyamitra","description":"May 13, 2331 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 05:15, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2331-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2331-05-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2331-05-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2331-05-13","x-default":"https://vidhyamitra.com/city/ayodhya/2331-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T05:14:07.348Z","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":"2026-06-04T05:14:07.348Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T05:14:07.348Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}