{"id":"vidhyamitra:city-day:vrindavan:2131-12-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2131-12-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-12-12","date_display":"December 12, 2131 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":2131,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499736.770833,"kali_year":5233,"ahargana":1911271.2708,"sun":{"sidereal_longitude":233.0771,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":146.8272,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.7501,"elapsed_within_tithi_degrees":9.7501},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":146.8272,"elapsed_within_degrees":0.1605},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.9043},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2131,"month":12,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499736.770833,"ahargana":1911271.2708,"kali_year":5233,"ayanamsa_lahiri":25.6962,"grahas":{"sun":{"sidereal_longitude":233.82343000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":150.15813000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":4.3499},"mars":{"sidereal_longitude":5.84532999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":217.47372999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":59.33222999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":269.39032999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":205.10453000000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":71.6504,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.6504,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2131,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499736.770833,"kali_year":5233,"ahargana":1911271.2708,"sun":{"sidereal_longitude":233.0771,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":146.8272,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.7501,"elapsed_within_tithi_degrees":9.7501},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":146.8272,"elapsed_within_degrees":0.1605},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.9043},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.35,"elongation":86.25},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.35,"opposition_distance":93.75}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:01","sunsetLocal":"17:27","solarNoonLocal":"12:14","dayLengthHours":10.430490066285408,"dayLengthDisplay":"10 Hours 25 Mins 50 Secs","nightLengthDisplay":"13 Hours 34 Mins 10 Secs","moonriseLocal":"00:33","moonsetLocal":"12:45","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:32","startHours":12.230355182314781,"endHours":13.534166440600458,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:19","end":"09:37","startHours":8.318921407457754,"endHours":9.62273266574343,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:56","end":"12:14","startHours":10.926543924029104,"endHours":12.230355182314781,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:48","startHours":9.448891164638672,"endHours":9.796574166848186,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.449713901933969,"endHours":7.72786030370158,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:35","startHours":11.882672180105267,"endHours":12.578038184524296,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:19","startHours":5.624378140334023,"endHours":6.3197441447530505,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:01","startHours":6.145902643648293,"endHours":7.015110149172077,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.96877019336235,"endHours":14.664136197781376,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.245600215457486,"endHours":17.645600215457485,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.445600215457485,"endHours":17.880203968219377,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.195600215457485,"endHours":18.945600215457485,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:35","startHours":23.882672180105267,"endHours":24.578038184524296,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:01","end":"08:19","startHours":7.015110149172077,"endHours":8.318921407457754,"quality":"auspicious"},{"name":"Amṛta","start":"08:19","end":"09:37","startHours":8.318921407457754,"endHours":9.62273266574343,"quality":"auspicious"},{"name":"Kāla","start":"09:37","end":"10:56","startHours":9.62273266574343,"endHours":10.926543924029104,"quality":"inauspicious"},{"name":"Śubha","start":"10:56","end":"12:14","startHours":10.926543924029104,"endHours":12.230355182314781,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:32","startHours":12.230355182314781,"endHours":13.534166440600458,"quality":"inauspicious"},{"name":"Udveg","start":"13:32","end":"14:50","startHours":13.534166440600458,"endHours":14.837977698886133,"quality":"inauspicious"},{"name":"Chala","start":"14:50","end":"16:09","startHours":14.837977698886133,"endHours":16.14178895717181,"quality":"neutral"},{"name":"Labha","start":"16:09","end":"17:27","startHours":16.14178895717181,"endHours":17.445600215457485,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:27","end":"19:09","startHours":17.445600215457485,"endHours":19.14178895717181,"quality":"inauspicious"},{"name":"Chala","start":"19:09","end":"20:50","startHours":19.14178895717181,"endHours":20.837977698886135,"quality":"neutral"},{"name":"Labha","start":"20:50","end":"22:32","startHours":20.837977698886135,"endHours":22.53416644060046,"quality":"auspicious"},{"name":"Amṛta","start":"22:32","end":"00:14","startHours":22.53416644060046,"endHours":24.23035518231478,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:56","startHours":24.23035518231478,"endHours":25.926543924029104,"quality":"inauspicious"},{"name":"Śubha","start":"01:56","end":"03:37","startHours":25.926543924029104,"endHours":27.622732665743428,"quality":"auspicious"},{"name":"Roga","start":"03:37","end":"05:19","startHours":27.622732665743428,"endHours":29.318921407457754,"quality":"inauspicious"},{"name":"Udveg","start":"05:19","end":"07:01","startHours":29.318921407457754,"endHours":31.015110149172077,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.015110149172077,"endHours":8.015110149172077,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.015110149172077,"endHours":9.015110149172077,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.015110149172077,"endHours":10.015110149172077,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.015110149172077,"endHours":11.015110149172077,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.015110149172077,"endHours":12.015110149172077,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.015110149172077,"endHours":13.015110149172077,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.015110149172077,"endHours":14.015110149172077,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.015110149172077,"endHours":15.015110149172077,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.015110149172077,"endHours":16.015110149172077,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.015110149172077,"endHours":17.015110149172077,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.015110149172077,"endHours":18.015110149172077,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.015110149172077,"endHours":19.015110149172077,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.015110149172077,"endHours":20.015110149172077,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.015110149172077,"endHours":21.015110149172077,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.015110149172077,"endHours":22.015110149172077,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.015110149172077,"endHours":23.015110149172077,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.015110149172077,"endHours":24.015110149172077,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.015110149172077,"endHours":25.015110149172077,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.015110149172077,"endHours":26.015110149172077,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.015110149172077,"endHours":27.015110149172077,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.015110149172077,"endHours":28.015110149172077,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.015110149172077,"endHours":29.015110149172077,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.015110149172077,"endHours":30.015110149172077,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.015110149172077,"endHours":31.015110149172077,"planetary_lord":"Sun"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","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":-23.022787876315085,"eotMinutes":5.541489061113115,"ayanamsa":25.6962}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 12, 2131 CE · Vṛndāvana · Vidhyamitra","description":"December 12, 2131 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 07:01, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2131-12-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2131-12-12","sa":"https://sa.vidhyamitra.com/city/vrindavan/2131-12-12","hi":"https://hi.vidhyamitra.com/city/vrindavan/2131-12-12","x-default":"https://vidhyamitra.com/city/vrindavan/2131-12-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T01:39:54.627Z","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":"2026-06-02T01:39:54.627Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T01:39:54.627Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}