{"id":"vidhyamitra:city-day:vrindavan:2188-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2188-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2188-12-31","date_display":"December 31, 2188 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":2188,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520575.770833,"kali_year":5290,"ahargana":1932110.2708,"sun":{"sidereal_longitude":252.84,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":40.9648,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.1248,"elapsed_within_tithi_degrees":4.1248},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.9648,"elapsed_within_degrees":0.9648},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.8048},"karana":{"half_tithi_index":24,"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":2188,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520575.770833,"ahargana":1932110.2708,"kali_year":5290,"ayanamsa_lahiri":26.4932,"grahas":{"sun":{"sidereal_longitude":253.54982700000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":42.59992699999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-0.5116},"mars":{"sidereal_longitude":175.932727,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":228.55112699999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":332.06892700000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":242.902427,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":186.02942699999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":47.4999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":227.4999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"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":2188,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520575.770833,"kali_year":5290,"ahargana":1932110.2708,"sun":{"sidereal_longitude":252.84,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":40.9648,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.1248,"elapsed_within_tithi_degrees":4.1248},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.9648,"elapsed_within_degrees":0.9648},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.8048},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.512,"elongation":148.125},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.512,"opposition_distance":31.875}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":-0.81,"elongation":0.911}]},"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":"07:10","sunsetLocal":"17:35","solarNoonLocal":"12:23","dayLengthHours":10.427697645098696,"dayLengthDisplay":"10 Hours 25 Mins 40 Secs","nightLengthDisplay":"13 Hours 34 Mins 20 Secs","moonriseLocal":"15:28","moonsetLocal":"05:10","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:41","startHours":12.376983915396757,"endHours":13.680446121034095,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:28","end":"09:46","startHours":8.466597298484746,"endHours":9.770059504122083,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:04","end":"12:23","startHours":11.073521709759419,"endHours":12.376983915396757,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.596264543370438,"endHours":9.943854464873727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:53","startHours":7.5976224947265205,"endHours":7.875694431929152,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.029393993893466,"endHours":12.724573836900047,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.772775406834249,"endHours":6.467955249840829,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:10","startHours":6.2941602890891835,"endHours":7.1631350928474085,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:49","startHours":14.114933522913205,"endHours":14.810113365919785,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.390832737946106,"endHours":17.790832737946104,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:02","startHours":17.590832737946105,"endHours":18.02532013982522,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.340832737946105,"endHours":19.090832737946105,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.029393993893468,"endHours":24.724573836900046,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:10","end":"08:28","startHours":7.1631350928474085,"endHours":8.466597298484746,"quality":"auspicious"},{"name":"Amṛta","start":"08:28","end":"09:46","startHours":8.466597298484746,"endHours":9.770059504122083,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:04","startHours":9.770059504122083,"endHours":11.073521709759419,"quality":"inauspicious"},{"name":"Śubha","start":"11:04","end":"12:23","startHours":11.073521709759419,"endHours":12.376983915396757,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:41","startHours":12.376983915396757,"endHours":13.680446121034095,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"14:59","startHours":13.680446121034095,"endHours":14.98390832667143,"quality":"inauspicious"},{"name":"Chala","start":"14:59","end":"16:17","startHours":14.98390832667143,"endHours":16.287370532308767,"quality":"neutral"},{"name":"Labha","start":"16:17","end":"17:35","startHours":16.287370532308767,"endHours":17.590832737946105,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:35","end":"19:17","startHours":17.590832737946105,"endHours":19.287370532308767,"quality":"inauspicious"},{"name":"Chala","start":"19:17","end":"20:59","startHours":19.287370532308767,"endHours":20.983908326671433,"quality":"neutral"},{"name":"Labha","start":"20:59","end":"22:41","startHours":20.983908326671433,"endHours":22.680446121034095,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:23","startHours":22.680446121034095,"endHours":24.376983915396757,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:04","startHours":24.376983915396757,"endHours":26.07352170975942,"quality":"inauspicious"},{"name":"Śubha","start":"02:04","end":"03:46","startHours":26.07352170975942,"endHours":27.77005950412208,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:28","startHours":27.77005950412208,"endHours":29.466597298484746,"quality":"inauspicious"},{"name":"Udveg","start":"05:28","end":"07:10","startHours":29.466597298484746,"endHours":31.16313509284741,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.1631350928474085,"endHours":8.163135092847408,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.163135092847408,"endHours":9.163135092847408,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.163135092847408,"endHours":10.163135092847408,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.163135092847408,"endHours":11.163135092847408,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.163135092847408,"endHours":12.163135092847408,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.163135092847408,"endHours":13.163135092847408,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.163135092847408,"endHours":14.163135092847408,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.163135092847408,"endHours":15.163135092847408,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.163135092847408,"endHours":16.16313509284741,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.16313509284741,"endHours":17.16313509284741,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.16313509284741,"endHours":18.16313509284741,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.16313509284741,"endHours":19.16313509284741,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.16313509284741,"endHours":20.16313509284741,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.16313509284741,"endHours":21.16313509284741,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.16313509284741,"endHours":22.16313509284741,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.16313509284741,"endHours":23.16313509284741,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.16313509284741,"endHours":24.16313509284741,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.16313509284741,"endHours":25.16313509284741,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.16313509284741,"endHours":26.16313509284741,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.16313509284741,"endHours":27.16313509284741,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.16313509284741,"endHours":28.16313509284741,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.16313509284741,"endHours":29.16313509284741,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.16313509284741,"endHours":30.16313509284741,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.16313509284741,"endHours":31.16313509284741,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.056461202877,"eotMinutes":-3.2562349238053434,"ayanamsa":26.4932}},"calendars":{"vikram_samvat":2245,"vikram_samvatsara":"Plava","saka_samvat":2110,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1595,"malayalam_era":1364,"nanakshahi_year":719,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Trayodaśī · Vikram 2245 Plava · Śaka 2110 Sarvadhāri"},"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":"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 Rohiṇī","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 31, 2188 CE · Vṛndāvana · Vidhyamitra","description":"December 31, 2188 CE for Vṛndāvana: Śukla Trayodaśī, sūryodaya 07:10, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2188-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2188-12-31","sa":"https://sa.vidhyamitra.com/city/vrindavan/2188-12-31","hi":"https://hi.vidhyamitra.com/city/vrindavan/2188-12-31","x-default":"https://vidhyamitra.com/city/vrindavan/2188-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:33:09.775Z","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":"2026-05-31T02:33:09.775Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:33:09.775Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}