{"id":"vidhyamitra:city-day:vrindavan:2137-12-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2137-12-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-12-25","date_display":"December 25, 2137 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":2137,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501941.770833,"kali_year":5239,"ahargana":1913476.2708,"sun":{"sidereal_longitude":246.8754,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":40.9935,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.1181,"elapsed_within_tithi_degrees":10.1181},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.9935,"elapsed_within_degrees":0.9935},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.8689},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2137,"month":12,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501941.770833,"ahargana":1913476.2708,"kali_year":5239,"ayanamsa_lahiri":25.7805,"grahas":{"sun":{"sidereal_longitude":247.51718300000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":41.919983,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":4.49},"mars":{"sidereal_longitude":139.156683,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":231.72448299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":233.47858299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":251.020083,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":267.15928299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":314.8189,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":134.8189,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2137,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501941.770833,"kali_year":5239,"ahargana":1913476.2708,"sun":{"sidereal_longitude":246.8754,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":40.9935,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.1181,"elapsed_within_tithi_degrees":10.1181},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.9935,"elapsed_within_degrees":0.9935},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.8689},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.49,"elongation":154.118},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.49,"opposition_distance":25.882}},"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":"07:08","sunsetLocal":"17:32","solarNoonLocal":"12:20","dayLengthHours":10.399504631390945,"dayLengthDisplay":"10 Hours 23 Mins 58 Secs","nightLengthDisplay":"13 Hours 36 Mins 02 Secs","moonriseLocal":"15:47","moonsetLocal":"05:28","rahuKala":{"name":"Rāhu Kāla","start":"12:20","end":"13:38","startHours":12.330937615701156,"endHours":13.630875694625026,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:26","end":"09:44","startHours":8.431123378929552,"endHours":9.731061457853421,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:02","end":"12:20","startHours":11.030999536777289,"endHours":12.330937615701156,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:54","startHours":9.557736380663572,"endHours":9.904386535043269,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:51","startHours":7.564497992980307,"endHours":7.841818116484066,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:41","startHours":11.98428746132146,"endHours":12.677587770080857,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:26","startHours":5.744584682486892,"endHours":6.437884991246288,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:08","startHours":6.26455991405644,"endHours":7.131185300005685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:45","startHours":14.064188387599648,"endHours":14.757488696359044,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.33068993139663,"endHours":17.73068993139663,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:58","startHours":17.53068993139663,"endHours":17.964002624371254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.28068993139663,"endHours":19.03068993139663,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:41","startHours":23.98428746132146,"endHours":24.67758777008086,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:08","end":"08:26","startHours":7.131185300005685,"endHours":8.431123378929552,"quality":"auspicious"},{"name":"Amṛta","start":"08:26","end":"09:44","startHours":8.431123378929552,"endHours":9.731061457853421,"quality":"auspicious"},{"name":"Kāla","start":"09:44","end":"11:02","startHours":9.731061457853421,"endHours":11.030999536777289,"quality":"inauspicious"},{"name":"Śubha","start":"11:02","end":"12:20","startHours":11.030999536777289,"endHours":12.330937615701156,"quality":"auspicious"},{"name":"Roga","start":"12:20","end":"13:38","startHours":12.330937615701156,"endHours":13.630875694625026,"quality":"inauspicious"},{"name":"Udveg","start":"13:38","end":"14:56","startHours":13.630875694625026,"endHours":14.930813773548893,"quality":"inauspicious"},{"name":"Chala","start":"14:56","end":"16:14","startHours":14.930813773548893,"endHours":16.230751852472764,"quality":"neutral"},{"name":"Labha","start":"16:14","end":"17:32","startHours":16.230751852472764,"endHours":17.53068993139663,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:32","end":"19:14","startHours":17.53068993139663,"endHours":19.23075185247276,"quality":"inauspicious"},{"name":"Chala","start":"19:14","end":"20:56","startHours":19.23075185247276,"endHours":20.930813773548895,"quality":"neutral"},{"name":"Labha","start":"20:56","end":"22:38","startHours":20.930813773548895,"endHours":22.630875694625026,"quality":"auspicious"},{"name":"Amṛta","start":"22:38","end":"00:20","startHours":22.630875694625026,"endHours":24.330937615701156,"quality":"auspicious"},{"name":"Kāla","start":"00:20","end":"02:02","startHours":24.330937615701156,"endHours":26.030999536777287,"quality":"inauspicious"},{"name":"Śubha","start":"02:02","end":"03:44","startHours":26.030999536777287,"endHours":27.73106145785342,"quality":"auspicious"},{"name":"Roga","start":"03:44","end":"05:26","startHours":27.73106145785342,"endHours":29.431123378929552,"quality":"inauspicious"},{"name":"Udveg","start":"05:26","end":"07:08","startHours":29.431123378929552,"endHours":31.131185300005683,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.131185300005685,"endHours":8.131185300005685,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.131185300005685,"endHours":9.131185300005685,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.131185300005685,"endHours":10.131185300005685,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.131185300005685,"endHours":11.131185300005685,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.131185300005685,"endHours":12.131185300005685,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.131185300005685,"endHours":13.131185300005685,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.131185300005685,"endHours":14.131185300005685,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.131185300005685,"endHours":15.131185300005685,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.131185300005685,"endHours":16.131185300005683,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.131185300005683,"endHours":17.131185300005683,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.131185300005683,"endHours":18.131185300005683,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.131185300005683,"endHours":19.131185300005683,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.131185300005683,"endHours":20.131185300005683,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.131185300005683,"endHours":21.131185300005683,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.131185300005683,"endHours":22.131185300005683,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.131185300005683,"endHours":23.131185300005683,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.131185300005683,"endHours":24.131185300005683,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.131185300005683,"endHours":25.131185300005683,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.131185300005683,"endHours":26.131185300005683,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.131185300005683,"endHours":27.131185300005683,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.131185300005683,"endHours":28.131185300005683,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.131185300005683,"endHours":29.131185300005683,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.131185300005683,"endHours":30.131185300005683,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.131185300005683,"endHours":31.131185300005683,"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":-23.395379152234074,"eotMinutes":-0.4934569420694592,"ayanamsa":25.7805}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"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 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"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 25, 2137 CE · Vṛndāvana · Vidhyamitra","description":"December 25, 2137 CE for Vṛndāvana: Śukla Trayodaśī, sūryodaya 07:08, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2137-12-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2137-12-25","sa":"https://sa.vidhyamitra.com/city/vrindavan/2137-12-25","hi":"https://hi.vidhyamitra.com/city/vrindavan/2137-12-25","x-default":"https://vidhyamitra.com/city/vrindavan/2137-12-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:05:48.986Z","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":"2026-06-01T03:05:48.986Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:05:48.986Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}