{"id":"vidhyamitra:city-day:ayodhya:2309-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2309-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2309-12-20","date_display":"December 20, 2309 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":2309,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2564757.770833,"kali_year":5411,"ahargana":1976292.2708,"sun":{"sidereal_longitude":238.1424,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":83.2882,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.1458,"elapsed_within_tithi_degrees":1.1458},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":83.2882,"elapsed_within_degrees":3.2882},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.4305},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2309,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2564757.770833,"ahargana":1976292.2708,"kali_year":5411,"ayanamsa_lahiri":28.183,"grahas":{"sun":{"sidereal_longitude":239.26884999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":86.68995000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":-2.6915},"mars":{"sidereal_longitude":240.97704999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":228.55324999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":58.88425000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":188.16935,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":216.60154999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":226.5249,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":46.5249,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"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":2309,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2564757.770833,"kali_year":5411,"ahargana":1976292.2708,"sun":{"sidereal_longitude":238.1424,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":83.2882,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.1458,"elapsed_within_tithi_degrees":1.1458},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":83.2882,"elapsed_within_degrees":3.2882},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.4305},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.692,"elongation":154.854},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.692,"opposition_distance":25.146}},"eclipse_window_40days":[{"offset_days":-17,"type":"solar","occurs":true,"moon_latitude":-0.419,"elongation":1.324},{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":-0.598,"opposition_distance":1.813}]},"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":"06:46","sunsetLocal":"17:13","solarNoonLocal":"11:59","dayLengthHours":10.45426164980293,"dayLengthDisplay":"10 Hours 27 Mins 15 Secs","nightLengthDisplay":"13 Hours 32 Mins 45 Secs","moonriseLocal":"19:01","moonsetLocal":"08:37","rahuKala":{"name":"Rāhu Kāla","start":"08:04","end":"09:23","startHours":8.06851992261609,"endHours":9.375302628841457,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:41","end":"11:59","startHours":10.682085335066823,"endHours":11.98886804129219,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:18","end":"14:36","startHours":13.295650747517556,"endHours":14.602433453742922,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:33","startHours":9.201064934678074,"endHours":9.549540323004837,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:29","startHours":7.197331451799179,"endHours":7.47611176246059,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:20","startHours":11.640392652965424,"endHours":12.337343429618954,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:04","startHours":5.367835663083666,"endHours":6.064786439737195,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:46","startHours":5.890548745573812,"endHours":6.761737216390723,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:26","startHours":13.731244982926011,"endHours":14.42819575957954,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:01","end":"17:25","startHours":17.015998866193655,"endHours":17.415998866193654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:13","end":"17:39","startHours":17.215998866193654,"endHours":17.65159310160211,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:58","end":"18:43","startHours":16.965998866193654,"endHours":18.715998866193654,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:20","startHours":23.640392652965424,"endHours":24.337343429618954,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:46","end":"08:04","startHours":6.761737216390723,"endHours":8.06851992261609,"quality":"auspicious"},{"name":"Kāla","start":"08:04","end":"09:23","startHours":8.06851992261609,"endHours":9.375302628841457,"quality":"inauspicious"},{"name":"Śubha","start":"09:23","end":"10:41","startHours":9.375302628841457,"endHours":10.682085335066823,"quality":"auspicious"},{"name":"Roga","start":"10:41","end":"11:59","startHours":10.682085335066823,"endHours":11.98886804129219,"quality":"inauspicious"},{"name":"Udveg","start":"11:59","end":"13:18","startHours":11.98886804129219,"endHours":13.295650747517556,"quality":"inauspicious"},{"name":"Chala","start":"13:18","end":"14:36","startHours":13.295650747517556,"endHours":14.602433453742922,"quality":"neutral"},{"name":"Labha","start":"14:36","end":"15:55","startHours":14.602433453742922,"endHours":15.909216159968288,"quality":"auspicious"},{"name":"Amṛta","start":"15:55","end":"17:13","startHours":15.909216159968288,"endHours":17.215998866193654,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:13","end":"18:55","startHours":17.215998866193654,"endHours":18.909216159968288,"quality":"neutral"},{"name":"Labha","start":"18:55","end":"20:36","startHours":18.909216159968288,"endHours":20.602433453742922,"quality":"auspicious"},{"name":"Amṛta","start":"20:36","end":"22:18","startHours":20.602433453742922,"endHours":22.295650747517556,"quality":"auspicious"},{"name":"Kāla","start":"22:18","end":"23:59","startHours":22.295650747517556,"endHours":23.98886804129219,"quality":"inauspicious"},{"name":"Śubha","start":"23:59","end":"01:41","startHours":23.98886804129219,"endHours":25.682085335066823,"quality":"auspicious"},{"name":"Roga","start":"01:41","end":"03:23","startHours":25.682085335066823,"endHours":27.375302628841457,"quality":"inauspicious"},{"name":"Udveg","start":"03:23","end":"05:04","startHours":27.375302628841457,"endHours":29.06851992261609,"quality":"inauspicious"},{"name":"Chala","start":"05:04","end":"06:46","startHours":29.06851992261609,"endHours":30.761737216390724,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.761737216390723,"endHours":7.761737216390723,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.761737216390723,"endHours":8.761737216390724,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.761737216390724,"endHours":9.761737216390724,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.761737216390724,"endHours":10.761737216390724,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.761737216390724,"endHours":11.761737216390724,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.761737216390724,"endHours":12.761737216390724,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.761737216390724,"endHours":13.761737216390724,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.761737216390724,"endHours":14.761737216390724,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.761737216390724,"endHours":15.761737216390724,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.761737216390724,"endHours":16.761737216390724,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.761737216390724,"endHours":17.761737216390724,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.761737216390724,"endHours":18.761737216390724,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.761737216390724,"endHours":19.761737216390724,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.761737216390724,"endHours":20.761737216390724,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.761737216390724,"endHours":21.761737216390724,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.761737216390724,"endHours":22.761737216390724,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.761737216390724,"endHours":23.761737216390724,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.761737216390724,"endHours":24.761737216390724,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.761737216390724,"endHours":25.761737216390724,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.761737216390724,"endHours":26.761737216390724,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.761737216390724,"endHours":27.761737216390724,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.761737216390724,"endHours":28.761737216390724,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.761737216390724,"endHours":29.761737216390724,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.761737216390724,"endHours":30.761737216390724,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","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":-23.411943315986868,"eotMinutes":1.851917522468745,"ayanamsa":28.183}},"calendars":{"vikram_samvat":2366,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2231,"saka_samvatsara":"Virodhi","bengali_samvat":1716,"malayalam_era":1485,"nanakshahi_year":840,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa 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 Kṛṣṇa Tṛtīyā · Vikram 2366 Śubhakṛt · Śaka 2231 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 Punarvasu","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 December 20, 2309 CE · Ayodhyā · Vidhyamitra","description":"December 20, 2309 CE for Ayodhyā: Kṛṣṇa Tṛtīyā, sūryodaya 06:46, sūryāsta 17:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2309-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2309-12-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2309-12-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2309-12-20","x-default":"https://vidhyamitra.com/city/ayodhya/2309-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T22:09:13.889Z","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":"2026-06-02T22:09:13.889Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T22:09:13.889Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}