{"id":"vidhyamitra:city-day:ayodhya:2315-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2315-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2315-05-13","date_display":"May 13, 2315 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":2315,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2566727.770833,"kali_year":5417,"ahargana":1978262.2708,"sun":{"sidereal_longitude":22.4756,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":119.4702,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.9946,"elapsed_within_tithi_degrees":0.9946},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.4702,"elapsed_within_degrees":12.8036},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":141.9459},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2315,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2566727.770833,"ahargana":1978262.2708,"kali_year":5417,"ayanamsa_lahiri":28.2583,"grahas":{"sun":{"sidereal_longitude":23.189581999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":119.26698199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-0.2098},"mars":{"sidereal_longitude":192.42738199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":5.783781999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":215.66018199999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":15.33878199999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":279.337982,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":122.1448,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.1448,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"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":2315,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2566727.770833,"kali_year":5417,"ahargana":1978262.2708,"sun":{"sidereal_longitude":22.4756,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":119.4702,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.9946,"elapsed_within_tithi_degrees":0.9946},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.4702,"elapsed_within_degrees":12.8036},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":141.9459},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.21,"elongation":96.995},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.21,"opposition_distance":83.005}},"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":"18:39","solarNoonLocal":"11:57","dayLengthHours":13.40166825981146,"dayLengthDisplay":"13 Hours 24 Mins 06 Secs","nightLengthDisplay":"10 Hours 35 Mins 54 Secs","moonriseLocal":"11:54","moonsetLocal":"00:50","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:18","startHours":13.632384553417161,"endHours":15.307593085893593,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:15","end":"06:56","startHours":5.256341891034998,"endHours":6.93155042351143,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:36","end":"10:17","startHours":8.606758955987862,"endHours":10.281967488464296,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.383397818324339,"endHours":8.830120093651388,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:10","startHours":5.814744735193808,"endHours":6.172122555455447,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.510453745613678,"endHours":12.403898296267776,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:22","startHours":3.469452789726803,"endHours":4.362897340380901,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:15","startHours":4.139536202717376,"endHours":5.256341891034998,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:05","startHours":14.19078739757597,"endHours":15.084231948230068,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.45801015084646,"endHours":18.858010150846457,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:13","startHours":18.658010150846458,"endHours":19.216412995005268,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.408010150846458,"endHours":20.158010150846458,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.51045374561368,"endHours":24.403898296267776,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:15","end":"06:56","startHours":5.256341891034998,"endHours":6.93155042351143,"quality":"auspicious"},{"name":"Roga","start":"06:56","end":"08:36","startHours":6.93155042351143,"endHours":8.606758955987862,"quality":"inauspicious"},{"name":"Udveg","start":"08:36","end":"10:17","startHours":8.606758955987862,"endHours":10.281967488464296,"quality":"inauspicious"},{"name":"Chala","start":"10:17","end":"11:57","startHours":10.281967488464296,"endHours":11.957176020940729,"quality":"neutral"},{"name":"Labha","start":"11:57","end":"13:38","startHours":11.957176020940729,"endHours":13.632384553417161,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:18","startHours":13.632384553417161,"endHours":15.307593085893593,"quality":"auspicious"},{"name":"Kāla","start":"15:18","end":"16:59","startHours":15.307593085893593,"endHours":16.982801618370026,"quality":"inauspicious"},{"name":"Śubha","start":"16:59","end":"18:39","startHours":16.982801618370026,"endHours":18.658010150846458,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:39","end":"19:59","startHours":18.658010150846458,"endHours":19.982801618370026,"quality":"auspicious"},{"name":"Kāla","start":"19:59","end":"21:18","startHours":19.982801618370026,"endHours":21.307593085893593,"quality":"inauspicious"},{"name":"Śubha","start":"21:18","end":"22:38","startHours":21.307593085893593,"endHours":22.63238455341716,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"23:57","startHours":22.63238455341716,"endHours":23.95717602094073,"quality":"inauspicious"},{"name":"Udveg","start":"23:57","end":"01:17","startHours":23.95717602094073,"endHours":25.281967488464296,"quality":"inauspicious"},{"name":"Chala","start":"01:17","end":"02:36","startHours":25.281967488464296,"endHours":26.606758955987864,"quality":"neutral"},{"name":"Labha","start":"02:36","end":"03:56","startHours":26.606758955987864,"endHours":27.931550423511432,"quality":"auspicious"},{"name":"Amṛta","start":"03:56","end":"05:15","startHours":27.931550423511432,"endHours":29.256341891035,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.256341891034998,"endHours":6.256341891034998,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.256341891034998,"endHours":7.256341891034998,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.256341891034998,"endHours":8.256341891034998,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.256341891034998,"endHours":9.256341891034998,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.256341891034998,"endHours":10.256341891034998,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.256341891034998,"endHours":11.256341891034998,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.256341891034998,"endHours":12.256341891034998,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.256341891034998,"endHours":13.256341891034998,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.256341891034998,"endHours":14.256341891034998,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.256341891034998,"endHours":15.256341891034998,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.256341891034998,"endHours":16.256341891035,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.256341891035,"endHours":17.256341891035,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.256341891035,"endHours":18.256341891035,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.256341891035,"endHours":19.256341891035,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.256341891035,"endHours":20.256341891035,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.256341891035,"endHours":21.256341891035,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.256341891035,"endHours":22.256341891035,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.256341891035,"endHours":23.256341891035,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.256341891035,"endHours":24.256341891035,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.256341891035,"endHours":25.256341891035,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.256341891035,"endHours":26.256341891035,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.256341891035,"endHours":27.256341891035,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.256341891035,"endHours":28.256341891035,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.256341891035,"endHours":29.256341891035,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","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":18.12211705726693,"eotMinutes":3.7534387435564067,"ayanamsa":28.2583}},"calendars":{"vikram_samvat":2372,"vikram_samvatsara":"Kīlaka","saka_samvat":2237,"saka_samvatsara":"Manmatha","bengali_samvat":1722,"malayalam_era":1491,"nanakshahi_year":846,"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 Navamī · Vikram 2372 Kīlaka · Śaka 2237 Manmatha"},"festivals":[{"id":"sita-navami","name":"Sītā Navamī","name_sanskrit":"सीता नवमी","tradition":"Vaishnava","associated_deity":"Sītā Devī (Lakṣmī as Bhū-suta)","significance":"Devī Sītā's manifestation in Mithilā; rāmāvatāra-kalatra.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 66"]},{"id":"madhva-jayanti","name":"Madhvācārya Jayantī","name_sanskrit":"मध्वाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Madhvācārya (Dvaita)","significance":"Birth of Madhvācārya; Dvaita-pratiṣṭhāpaka. Vaiśākha Śukla 9.","vrata":false,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 Śukla Navamī","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, 2315 CE · Ayodhyā · Vidhyamitra","description":"May 13, 2315 CE for Ayodhyā: Śukla Navamī, sūryodaya 05:15, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2315-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2315-05-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2315-05-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2315-05-13","x-default":"https://vidhyamitra.com/city/ayodhya/2315-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:55:46.807Z","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":"2026-06-03T09:55:46.807Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:55:46.807Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}