{"id":"vidhyamitra:city-day:ayodhya:-0504-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-0504-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0504-01-15","date_display":"January 15, 505 BCE","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":-504,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1536985.770833,"kali_year":2597,"ahargana":948520.2708,"sun":{"sidereal_longitude":305.8823,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":273.9935,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.1111,"elapsed_within_tithi_degrees":4.1111},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.9935,"elapsed_within_degrees":7.3268},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":219.8758},"karana":{"half_tithi_index":54,"name":"Gara"},"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":-504,"month":1,"day":15,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1536985.770833,"ahargana":948520.2708,"kali_year":2597,"ayanamsa_lahiri":-11.1255,"grahas":{"sun":{"sidereal_longitude":305.8823,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":273.9935,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-3.3863},"mars":{"sidereal_longitude":258.5323,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":302.1838,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":333.7909,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":333.2845,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":26.4925,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":322.8315,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":142.8315,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":-504,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1536985.770833,"kali_year":2597,"ahargana":948520.2708,"sun":{"sidereal_longitude":305.8823,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":273.9935,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.1111,"elapsed_within_tithi_degrees":4.1111},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.9935,"elapsed_within_degrees":7.3268},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":219.8758},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.386,"elongation":31.889},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.386,"opposition_distance":148.111}},"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":"06:52","sunsetLocal":"17:29","solarNoonLocal":"12:11","dayLengthHours":10.631525776723137,"dayLengthDisplay":"10 Hours 37 Mins 53 Secs","nightLengthDisplay":"13 Hours 22 Mins 07 Secs","moonriseLocal":"04:50","moonsetLocal":"15:16","rahuKala":{"name":"Rāhu Kāla","start":"13:30","end":"14:50","startHours":13.504506546192616,"endHours":14.833447268283006,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:52","end":"08:11","startHours":6.859802935740654,"endHours":8.188743657831047,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:31","end":"10:51","startHours":9.517684379921437,"endHours":10.846625102011831,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.34049228364272,"endHours":9.694876476200157,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.302783176437451,"endHours":7.586290530483401,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:32","startHours":11.821181631544784,"endHours":12.52995001665966,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.442266165510903,"endHours":6.151034550625778,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:52","startHours":5.973842454347059,"endHours":6.859802935740654,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.947486786889414,"endHours":14.65625517200429,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.29132871246379,"endHours":17.69132871246379,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:56","startHours":17.49132871246379,"endHours":17.93430895316059,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.24132871246379,"endHours":18.99132871246379,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:32","startHours":23.821181631544786,"endHours":24.529950016659658,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:52","end":"08:11","startHours":6.859802935740654,"endHours":8.188743657831047,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:31","startHours":8.188743657831047,"endHours":9.517684379921437,"quality":"inauspicious"},{"name":"Udveg","start":"09:31","end":"10:51","startHours":9.517684379921437,"endHours":10.846625102011831,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:11","startHours":10.846625102011831,"endHours":12.175565824102222,"quality":"neutral"},{"name":"Labha","start":"12:11","end":"13:30","startHours":12.175565824102222,"endHours":13.504506546192616,"quality":"auspicious"},{"name":"Amṛta","start":"13:30","end":"14:50","startHours":13.504506546192616,"endHours":14.833447268283006,"quality":"auspicious"},{"name":"Kāla","start":"14:50","end":"16:10","startHours":14.833447268283006,"endHours":16.1623879903734,"quality":"inauspicious"},{"name":"Śubha","start":"16:10","end":"17:29","startHours":16.1623879903734,"endHours":17.49132871246379,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:29","end":"19:10","startHours":17.49132871246379,"endHours":19.162387990373396,"quality":"auspicious"},{"name":"Kāla","start":"19:10","end":"20:50","startHours":19.162387990373396,"endHours":20.833447268283006,"quality":"inauspicious"},{"name":"Śubha","start":"20:50","end":"22:30","startHours":20.833447268283006,"endHours":22.504506546192616,"quality":"auspicious"},{"name":"Roga","start":"22:30","end":"00:11","startHours":22.504506546192616,"endHours":24.17556582410222,"quality":"inauspicious"},{"name":"Udveg","start":"00:11","end":"01:51","startHours":24.17556582410222,"endHours":25.846625102011828,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:31","startHours":25.846625102011828,"endHours":27.517684379921437,"quality":"neutral"},{"name":"Labha","start":"03:31","end":"05:11","startHours":27.517684379921437,"endHours":29.188743657831047,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:52","startHours":29.188743657831047,"endHours":30.859802935740653,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.859802935740654,"endHours":7.859802935740654,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.859802935740654,"endHours":8.859802935740653,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.859802935740653,"endHours":9.859802935740653,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.859802935740653,"endHours":10.859802935740653,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.859802935740653,"endHours":11.859802935740653,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.859802935740653,"endHours":12.859802935740653,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.859802935740653,"endHours":13.859802935740653,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.859802935740653,"endHours":14.859802935740653,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.859802935740653,"endHours":15.859802935740653,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.859802935740653,"endHours":16.859802935740653,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.859802935740653,"endHours":17.859802935740653,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.859802935740653,"endHours":18.859802935740653,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.859802935740653,"endHours":19.859802935740653,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.859802935740653,"endHours":20.859802935740653,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.859802935740653,"endHours":21.859802935740653,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.859802935740653,"endHours":22.859802935740653,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.859802935740653,"endHours":23.859802935740653,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.859802935740653,"endHours":24.859802935740653,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.859802935740653,"endHours":25.859802935740653,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.859802935740653,"endHours":26.859802935740653,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.859802935740653,"endHours":27.859802935740653,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.859802935740653,"endHours":28.859802935740653,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.859802935740653,"endHours":29.859802935740653,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.859802935740653,"endHours":30.859802935740653,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.172574320770096,"eotMinutes":-9.349949446133257,"ayanamsa":-11.1255}},"calendars":{"vikram_samvat":-447,"saka_samvat":-582,"bengali_samvat":-1097,"malayalam_era":-1328,"nanakshahi_year":-1973,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Trayodaśī · Vikram -447 undefined · Śaka -582 undefined"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"validity":{"eternal":true,"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 January 15, 505 BCE · Ayodhyā · Vidhyamitra","description":"January 15, 505 BCE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 06:52, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-0504-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-0504-01-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/-0504-01-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/-0504-01-15","x-default":"https://vidhyamitra.com/city/ayodhya/-0504-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:24:46.412Z","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":"2026-06-02T21:24:46.412Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:24:46.412Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}