{"id":"vidhyamitra:city-day:ayodhya:-0505-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-0505-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0505-12-28","date_display":"December 28, 506 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":-505,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1536967.770833,"kali_year":2597,"ahargana":948502.2708,"sun":{"sidereal_longitude":287.5611,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":37.4048,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.8437,"elapsed_within_tithi_degrees":1.8437},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.4048,"elapsed_within_degrees":10.7381},"yoga":{"number":25,"name":"Brahma","sum_longitude":324.9658},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":-505,"month":12,"day":28,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1536967.770833,"ahargana":948502.2708,"kali_year":2597,"ayanamsa_lahiri":-11.1262,"grahas":{"sun":{"sidereal_longitude":287.5611,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":37.4048,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":4.317},"mars":{"sidereal_longitude":246.6282,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":307.3952,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":330.3139,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":326.3846,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":25.8425,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":323.7852,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":143.7852,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":-505,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1536967.770833,"kali_year":2597,"ahargana":948502.2708,"sun":{"sidereal_longitude":287.5611,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":37.4048,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.8437,"elapsed_within_tithi_degrees":1.8437},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.4048,"elapsed_within_degrees":10.7381},"yoga":{"number":25,"name":"Brahma","sum_longitude":324.9658},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.317,"elongation":109.844},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.317,"opposition_distance":70.156}},"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":"06:49","sunsetLocal":"17:17","solarNoonLocal":"12:03","dayLengthHours":10.46487478691251,"dayLengthDisplay":"10 Hours 27 Mins 54 Secs","nightLengthDisplay":"13 Hours 32 Mins 06 Secs","moonriseLocal":"12:59","moonsetLocal":"01:46","rahuKala":{"name":"Rāhu Kāla","start":"15:59","end":"17:17","startHours":15.975513119496984,"endHours":17.283622467861047,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:03","end":"13:22","startHours":12.051185074404792,"endHours":13.359294422768855,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:40","end":"15:59","startHours":14.667403771132918,"endHours":15.975513119496984,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:37","startHours":9.260551797894788,"endHours":9.609380957458539,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.254784130403224,"endHours":7.5338474580542245,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:24","startHours":11.702355914841041,"endHours":12.400014233968543,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:07","startHours":5.423431042693535,"endHours":6.121089361821035,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:49","startHours":5.94667478203916,"endHours":6.818747680948536,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:48","end":"14:30","startHours":13.795330872223541,"endHours":14.492989191351041,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:05","end":"17:29","startHours":17.083622467861048,"endHours":17.483622467861046,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:17","end":"17:43","startHours":17.283622467861047,"endHours":17.719658917315734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:02","end":"18:47","startHours":17.033622467861047,"endHours":18.783622467861047,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:24","startHours":23.702355914841043,"endHours":24.40001423396854,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:49","end":"08:08","startHours":6.818747680948536,"endHours":8.1268570293126,"quality":"inauspicious"},{"name":"Chala","start":"08:08","end":"09:26","startHours":8.1268570293126,"endHours":9.434966377676663,"quality":"neutral"},{"name":"Labha","start":"09:26","end":"10:45","startHours":9.434966377676663,"endHours":10.743075726040727,"quality":"auspicious"},{"name":"Amṛta","start":"10:45","end":"12:03","startHours":10.743075726040727,"endHours":12.051185074404792,"quality":"auspicious"},{"name":"Kāla","start":"12:03","end":"13:22","startHours":12.051185074404792,"endHours":13.359294422768855,"quality":"inauspicious"},{"name":"Śubha","start":"13:22","end":"14:40","startHours":13.359294422768855,"endHours":14.667403771132918,"quality":"auspicious"},{"name":"Roga","start":"14:40","end":"15:59","startHours":14.667403771132918,"endHours":15.975513119496984,"quality":"inauspicious"},{"name":"Udveg","start":"15:59","end":"17:17","startHours":15.975513119496984,"endHours":17.283622467861047,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:17","end":"18:59","startHours":17.283622467861047,"endHours":18.975513119496984,"quality":"auspicious"},{"name":"Roga","start":"18:59","end":"20:40","startHours":18.975513119496984,"endHours":20.667403771132918,"quality":"inauspicious"},{"name":"Udveg","start":"20:40","end":"22:22","startHours":20.667403771132918,"endHours":22.359294422768855,"quality":"inauspicious"},{"name":"Chala","start":"22:22","end":"00:03","startHours":22.359294422768855,"endHours":24.051185074404792,"quality":"neutral"},{"name":"Labha","start":"00:03","end":"01:45","startHours":24.051185074404792,"endHours":25.74307572604073,"quality":"auspicious"},{"name":"Amṛta","start":"01:45","end":"03:26","startHours":25.74307572604073,"endHours":27.434966377676666,"quality":"auspicious"},{"name":"Kāla","start":"03:26","end":"05:08","startHours":27.434966377676666,"endHours":29.1268570293126,"quality":"inauspicious"},{"name":"Śubha","start":"05:08","end":"06:49","startHours":29.1268570293126,"endHours":30.818747680948537,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.818747680948536,"endHours":7.818747680948536,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.818747680948536,"endHours":8.818747680948537,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.818747680948537,"endHours":9.818747680948537,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.818747680948537,"endHours":10.818747680948537,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.818747680948537,"endHours":11.818747680948537,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.818747680948537,"endHours":12.818747680948537,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.818747680948537,"endHours":13.818747680948537,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.818747680948537,"endHours":14.818747680948537,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.818747680948537,"endHours":15.818747680948537,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.818747680948537,"endHours":16.818747680948537,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.818747680948537,"endHours":17.818747680948537,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.818747680948537,"endHours":18.818747680948537,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.818747680948537,"endHours":19.818747680948537,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.818747680948537,"endHours":20.818747680948537,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.818747680948537,"endHours":21.818747680948537,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.818747680948537,"endHours":22.818747680948537,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.818747680948537,"endHours":23.818747680948537,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.818747680948537,"endHours":24.818747680948537,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.818747680948537,"endHours":25.818747680948537,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.818747680948537,"endHours":26.818747680948537,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.818747680948537,"endHours":27.818747680948537,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.818747680948537,"endHours":28.818747680948537,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.818747680948537,"endHours":29.818747680948537,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.818747680948537,"endHours":30.818747680948537,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.280112371259957,"eotMinutes":-1.8871044642874448,"ayanamsa":-11.1262}},"calendars":{"vikram_samvat":-448,"saka_samvat":-583,"bengali_samvat":-1098,"malayalam_era":-1329,"nanakshahi_year":-1974,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Daśamī · Vikram -448 undefined · Śaka -583 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 December 28, 506 BCE · Ayodhyā · Vidhyamitra","description":"December 28, 506 BCE for Ayodhyā: Śukla Daśamī, sūryodaya 06:49, sūryāsta 17:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-0505-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-0505-12-28","sa":"https://sa.vidhyamitra.com/city/ayodhya/-0505-12-28","hi":"https://hi.vidhyamitra.com/city/ayodhya/-0505-12-28","x-default":"https://vidhyamitra.com/city/ayodhya/-0505-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T07:28:22.318Z","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":"2026-06-04T07:28:22.318Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T07:28:22.318Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}