{"id":"vidhyamitra:city-day:ayodhya:2315-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2315-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2315-04-17","date_display":"April 17, 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":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2566701.770833,"kali_year":5416,"ahargana":1978236.2708,"sun":{"sidereal_longitude":357.2521,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":133.9045,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.6524,"elapsed_within_tithi_degrees":4.6524},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":133.9045,"elapsed_within_degrees":0.5712},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.1566},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2566701.770833,"ahargana":1978236.2708,"kali_year":5416,"ayanamsa_lahiri":28.2573,"grahas":{"sun":{"sidereal_longitude":357.846375,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":135.251175,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":0.8101},"mars":{"sidereal_longitude":200.53437499999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":325.895175,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":218.01407500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":343.227175,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":278.4296750000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":123.5224,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":303.5224,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"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":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2566701.770833,"kali_year":5416,"ahargana":1978236.2708,"sun":{"sidereal_longitude":357.2521,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":133.9045,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.6524,"elapsed_within_tithi_degrees":4.6524},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":133.9045,"elapsed_within_degrees":0.5712},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.1566},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.81,"elongation":136.652},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.81,"opposition_distance":43.348}},"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":"05:37","sunsetLocal":"18:25","solarNoonLocal":"12:01","dayLengthHours":12.813791829263067,"dayLengthDisplay":"12 Hours 48 Mins 50 Secs","nightLengthDisplay":"11 Hours 11 Mins 10 Secs","moonriseLocal":"14:55","moonsetLocal":"03:26","rahuKala":{"name":"Rāhu Kāla","start":"08:49","end":"10:25","startHours":8.811884559688735,"endHours":10.413608538346619,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"15:13","startHours":13.617056495662386,"endHours":15.218780474320269,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:37","end":"07:13","startHours":5.608436602372968,"endHours":7.210160581030851,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.59832136253435,"endHours":9.02544775684312,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:29","startHours":6.142344595258929,"endHours":6.484045710705944,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:27","startHours":11.588206122695734,"endHours":12.44245891131327,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:54","end":"04:45","startHours":3.8999310251378922,"endHours":4.7541838137554295,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:37","startHours":4.540620616601045,"endHours":5.608436602372968,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.150964488548347,"endHours":15.005217277165885,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.222228431636037,"endHours":18.622228431636035,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:57","startHours":18.422228431636036,"endHours":18.956136424521997,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.172228431636036,"endHours":19.922228431636036,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:27","startHours":23.588206122695734,"endHours":24.44245891131327,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:37","end":"07:13","startHours":5.608436602372968,"endHours":7.210160581030851,"quality":"inauspicious"},{"name":"Śubha","start":"07:13","end":"08:49","startHours":7.210160581030851,"endHours":8.811884559688735,"quality":"auspicious"},{"name":"Roga","start":"08:49","end":"10:25","startHours":8.811884559688735,"endHours":10.413608538346619,"quality":"inauspicious"},{"name":"Udveg","start":"10:25","end":"12:01","startHours":10.413608538346619,"endHours":12.015332517004502,"quality":"inauspicious"},{"name":"Chala","start":"12:01","end":"13:37","startHours":12.015332517004502,"endHours":13.617056495662386,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"15:13","startHours":13.617056495662386,"endHours":15.218780474320269,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:49","startHours":15.218780474320269,"endHours":16.820504452978152,"quality":"auspicious"},{"name":"Kāla","start":"16:49","end":"18:25","startHours":16.820504452978152,"endHours":18.422228431636036,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:25","end":"19:49","startHours":18.422228431636036,"endHours":19.820504452978152,"quality":"auspicious"},{"name":"Amṛta","start":"19:49","end":"21:13","startHours":19.820504452978152,"endHours":21.21878047432027,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:37","startHours":21.21878047432027,"endHours":22.617056495662386,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:01","startHours":22.617056495662386,"endHours":24.015332517004502,"quality":"auspicious"},{"name":"Roga","start":"00:01","end":"01:25","startHours":24.015332517004502,"endHours":25.41360853834662,"quality":"inauspicious"},{"name":"Udveg","start":"01:25","end":"02:49","startHours":25.41360853834662,"endHours":26.811884559688735,"quality":"inauspicious"},{"name":"Chala","start":"02:49","end":"04:13","startHours":26.811884559688735,"endHours":28.210160581030852,"quality":"neutral"},{"name":"Labha","start":"04:13","end":"05:37","startHours":28.210160581030852,"endHours":29.60843660237297,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.608436602372968,"endHours":6.608436602372968,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.608436602372968,"endHours":7.608436602372968,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.608436602372968,"endHours":8.608436602372969,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.608436602372969,"endHours":9.608436602372969,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.608436602372969,"endHours":10.608436602372969,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.608436602372969,"endHours":11.608436602372969,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.608436602372969,"endHours":12.608436602372969,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.608436602372969,"endHours":13.608436602372969,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.608436602372969,"endHours":14.608436602372969,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.608436602372969,"endHours":15.608436602372969,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.608436602372969,"endHours":16.60843660237297,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.60843660237297,"endHours":17.60843660237297,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.60843660237297,"endHours":18.60843660237297,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.60843660237297,"endHours":19.60843660237297,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.60843660237297,"endHours":20.60843660237297,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.60843660237297,"endHours":21.60843660237297,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.60843660237297,"endHours":22.60843660237297,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.60843660237297,"endHours":23.60843660237297,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.60843660237297,"endHours":24.60843660237297,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.60843660237297,"endHours":25.60843660237297,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.60843660237297,"endHours":26.60843660237297,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.60843660237297,"endHours":27.60843660237297,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.60843660237297,"endHours":28.60843660237297,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.60843660237297,"endHours":29.60843660237297,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.078716180576572,"eotMinutes":0.2640489797298191,"ayanamsa":28.2573}},"calendars":{"vikram_samvat":2372,"vikram_samvatsara":"Kīlaka","saka_samvat":2237,"saka_samvatsara":"Manmatha","bengali_samvat":1722,"malayalam_era":1491,"nanakshahi_year":846,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvādaśī · Vikram 2372 Kīlaka · Śaka 2237 Manmatha"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 April 17, 2315 CE · Ayodhyā · Vidhyamitra","description":"April 17, 2315 CE for Ayodhyā: Śukla Dvādaśī, sūryodaya 05:37, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2315-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2315-04-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/2315-04-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/2315-04-17","x-default":"https://vidhyamitra.com/city/ayodhya/2315-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T13:33:46.277Z","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":"2026-06-03T13:33:46.277Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T13:33:46.277Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}