{"id":"vidhyamitra:city-day:ayodhya:2271-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2271-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2271-12-17","date_display":"December 17, 2271 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":2271,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2550875.770833,"kali_year":5373,"ahargana":1962410.2708,"sun":{"sidereal_longitude":235.9199,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":55.0369,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.117,"elapsed_within_tithi_degrees":11.117},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.0369,"elapsed_within_degrees":1.7036},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.9568},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2271,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2550875.770833,"ahargana":1962410.2708,"kali_year":5373,"ayanamsa_lahiri":27.652,"grahas":{"sun":{"sidereal_longitude":236.975645,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":54.275645,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":0.5497},"mars":{"sidereal_longitude":194.776745,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.58174499999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":327.802545,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":209.24794500000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":117.42474499999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":242.0601,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":62.0601,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2271,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2550875.770833,"kali_year":5373,"ahargana":1962410.2708,"sun":{"sidereal_longitude":235.9199,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":55.0369,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.117,"elapsed_within_tithi_degrees":11.117},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.0369,"elapsed_within_degrees":1.7036},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.9568},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.55,"elongation":179.117},"lunar":{"type":"lunar","occurs":true,"moon_latitude":0.55,"opposition_distance":0.883}},"eclipse_window_40days":[{"offset_days":0,"type":"lunar","occurs":true,"moon_latitude":0.55,"opposition_distance":0.883},{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":0.948,"elongation":1.033}]},"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":"06:44","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.461067301031369,"dayLengthDisplay":"10 Hours 27 Mins 40 Secs","nightLengthDisplay":"13 Hours 32 Mins 20 Secs","moonriseLocal":"16:54","moonsetLocal":"06:40","rahuKala":{"name":"Rāhu Kāla","start":"15:53","end":"17:12","startHours":15.888410756601626,"endHours":17.196044169230547,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.273143931343784,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:35","end":"15:53","startHours":14.580777343972704,"endHours":15.888410756601626,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:31","startHours":9.175892571773165,"endHours":9.524594815140876,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:27","startHours":7.170854672408819,"endHours":7.4498164671029885,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.616808275347148,"endHours":12.314212762082574,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:02","startHours":5.340167894728329,"endHours":6.037572381463754,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:44","startHours":5.863221259779897,"endHours":6.734976868199178,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:24","startHours":13.709021735553424,"endHours":14.406426222288848,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.996044169230547,"endHours":17.396044169230546,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.196044169230547,"endHours":17.631921973440186,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.946044169230547,"endHours":18.696044169230547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.61680827534715,"endHours":24.314212762082573,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:44","end":"08:03","startHours":6.734976868199178,"endHours":8.042610280828098,"quality":"inauspicious"},{"name":"Chala","start":"08:03","end":"09:21","startHours":8.042610280828098,"endHours":9.35024369345702,"quality":"neutral"},{"name":"Labha","start":"09:21","end":"10:39","startHours":9.35024369345702,"endHours":10.657877106085941,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"11:58","startHours":10.657877106085941,"endHours":11.965510518714861,"quality":"auspicious"},{"name":"Kāla","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.273143931343784,"quality":"inauspicious"},{"name":"Śubha","start":"13:16","end":"14:35","startHours":13.273143931343784,"endHours":14.580777343972704,"quality":"auspicious"},{"name":"Roga","start":"14:35","end":"15:53","startHours":14.580777343972704,"endHours":15.888410756601626,"quality":"inauspicious"},{"name":"Udveg","start":"15:53","end":"17:12","startHours":15.888410756601626,"endHours":17.196044169230547,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:12","end":"18:53","startHours":17.196044169230547,"endHours":18.888410756601626,"quality":"auspicious"},{"name":"Roga","start":"18:53","end":"20:35","startHours":18.888410756601626,"endHours":20.580777343972706,"quality":"inauspicious"},{"name":"Udveg","start":"20:35","end":"22:16","startHours":20.580777343972706,"endHours":22.273143931343782,"quality":"inauspicious"},{"name":"Chala","start":"22:16","end":"23:58","startHours":22.273143931343782,"endHours":23.96551051871486,"quality":"neutral"},{"name":"Labha","start":"23:58","end":"01:39","startHours":23.96551051871486,"endHours":25.65787710608594,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:21","startHours":25.65787710608594,"endHours":27.35024369345702,"quality":"auspicious"},{"name":"Kāla","start":"03:21","end":"05:03","startHours":27.35024369345702,"endHours":29.0426102808281,"quality":"inauspicious"},{"name":"Śubha","start":"05:03","end":"06:44","startHours":29.0426102808281,"endHours":30.734976868199176,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.734976868199178,"endHours":7.734976868199178,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.734976868199178,"endHours":8.734976868199178,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.734976868199178,"endHours":9.734976868199178,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.734976868199178,"endHours":10.734976868199178,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.734976868199178,"endHours":11.734976868199178,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.734976868199178,"endHours":12.734976868199178,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.734976868199178,"endHours":13.734976868199178,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.734976868199178,"endHours":14.734976868199178,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.734976868199178,"endHours":15.734976868199178,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.734976868199178,"endHours":16.734976868199176,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.734976868199176,"endHours":17.734976868199176,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.734976868199176,"endHours":18.734976868199176,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.734976868199176,"endHours":19.734976868199176,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.734976868199176,"endHours":20.734976868199176,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.734976868199176,"endHours":21.734976868199176,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.734976868199176,"endHours":22.734976868199176,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.734976868199176,"endHours":23.734976868199176,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.734976868199176,"endHours":24.734976868199176,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.734976868199176,"endHours":25.734976868199176,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.734976868199176,"endHours":26.734976868199176,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.734976868199176,"endHours":27.734976868199176,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.734976868199176,"endHours":28.734976868199176,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.734976868199176,"endHours":29.734976868199176,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.734976868199176,"endHours":30.734976868199176,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"Saumya","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.327440382416576,"eotMinutes":3.253368877108411,"ayanamsa":27.652}},"calendars":{"vikram_samvat":2328,"vikram_samvatsara":"Raktākṣī","saka_samvat":2193,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1678,"malayalam_era":1447,"nanakshahi_year":802,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pūrṇimā · Vikram 2328 Raktākṣī · Śaka 2193 Virodhakṛt"},"festivals":[{"id":"datta-jayanti","name":"Datta Jayantī","name_sanskrit":"दत्त जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dattātreya (Brahmā + Viṣṇu + Śiva combined)","significance":"Birth of Dattātreya from Atri-Anusūyā; tri-mūrti unified avatāra.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2,"sources":["Mārkaṇḍeya Purāṇa","Bhāgavata 4.1.15"]},{"id":"annapurna-jayanti","name":"Annapūrṇā Jayantī","name_sanskrit":"अन्नपूर्णा जयन्ती","tradition":"Shakta","associated_deity":"Devī Annapūrṇā (Pārvatī as nourishing mother)","significance":"Devī Annapūrṇā's manifestation; food-grain pūjā; Mārgaśīrṣa Pūrṇimā tradition.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3,"sources":["Annapūrṇā-stotra by Śaṅkarācārya"]}],"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 Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 December 17, 2271 CE · Ayodhyā · Vidhyamitra","description":"December 17, 2271 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 06:44, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2271-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2271-12-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/2271-12-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/2271-12-17","x-default":"https://vidhyamitra.com/city/ayodhya/2271-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:01:15.039Z","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":"2026-05-30T23:01:15.039Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:01:15.039Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}