{"id":"vidhyamitra:city-day:vrindavan:2181-02-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2181-02-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-02-25","date_display":"February 25, 2181 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":2181,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517709.770833,"kali_year":5282,"ahargana":1929244.2708,"sun":{"sidereal_longitude":310.1717,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":78.0661,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.8944,"elapsed_within_tithi_degrees":7.8944},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":78.0661,"elapsed_within_degrees":11.3994},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.2378},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":2181,"month":2,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517709.770833,"ahargana":1929244.2708,"kali_year":5282,"ayanamsa_lahiri":26.3836,"grahas":{"sun":{"sidereal_longitude":310.46063000000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":78.91442999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-3.8445},"mars":{"sidereal_longitude":52.902330000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":293.53553,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":106.43772999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":312.78532999999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":75.61203,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":199.3544,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":19.3544,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2181,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517709.770833,"kali_year":5282,"ahargana":1929244.2708,"sun":{"sidereal_longitude":310.1717,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":78.0661,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.8944,"elapsed_within_tithi_degrees":7.8944},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":78.0661,"elapsed_within_degrees":11.3994},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.2378},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.844,"elongation":127.894},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.844,"opposition_distance":52.106}},"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":"06:48","sunsetLocal":"18:18","solarNoonLocal":"12:33","dayLengthHours":11.494999903238995,"dayLengthDisplay":"11 Hours 29 Mins 42 Secs","nightLengthDisplay":"12 Hours 30 Mins 18 Secs","moonriseLocal":"14:14","moonsetLocal":"04:00","rahuKala":{"name":"Rāhu Kāla","start":"16:52","end":"18:18","startHours":16.86170637596348,"endHours":18.298581363868355,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"13:59","startHours":12.551081412248855,"endHours":13.987956400153731,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:25","end":"16:52","startHours":15.424831388058607,"endHours":16.86170637596348,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:52","startHours":9.485748104718457,"endHours":9.868914768159758,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:35","startHours":7.282539789930984,"endHours":7.589073120684024,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:56","startHours":12.167914748807558,"endHours":12.934248075690157,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:02","startHours":5.27091480686416,"endHours":6.037248133746759,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:51","end":"06:48","startHours":5.84566480202611,"endHours":6.803581460629359,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:14","startHours":14.466914729455356,"endHours":15.233248056337956,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.098581363868355,"endHours":18.498581363868354,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:47","startHours":18.298581363868355,"endHours":18.77753969316998,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.048581363868355,"endHours":19.798581363868355,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:56","startHours":24.167914748807554,"endHours":24.934248075690157,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:48","end":"08:14","startHours":6.803581460629359,"endHours":8.240456448534234,"quality":"inauspicious"},{"name":"Chala","start":"08:14","end":"09:41","startHours":8.240456448534234,"endHours":9.677331436439108,"quality":"neutral"},{"name":"Labha","start":"09:41","end":"11:07","startHours":9.677331436439108,"endHours":11.114206424343983,"quality":"auspicious"},{"name":"Amṛta","start":"11:07","end":"12:33","startHours":11.114206424343983,"endHours":12.551081412248855,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"13:59","startHours":12.551081412248855,"endHours":13.987956400153731,"quality":"inauspicious"},{"name":"Śubha","start":"13:59","end":"15:25","startHours":13.987956400153731,"endHours":15.424831388058607,"quality":"auspicious"},{"name":"Roga","start":"15:25","end":"16:52","startHours":15.424831388058607,"endHours":16.86170637596348,"quality":"inauspicious"},{"name":"Udveg","start":"16:52","end":"18:18","startHours":16.86170637596348,"endHours":18.298581363868355,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:18","end":"19:52","startHours":18.298581363868355,"endHours":19.86170637596348,"quality":"auspicious"},{"name":"Roga","start":"19:52","end":"21:25","startHours":19.86170637596348,"endHours":21.424831388058607,"quality":"inauspicious"},{"name":"Udveg","start":"21:25","end":"22:59","startHours":21.424831388058607,"endHours":22.98795640015373,"quality":"inauspicious"},{"name":"Chala","start":"22:59","end":"00:33","startHours":22.98795640015373,"endHours":24.551081412248855,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"02:07","startHours":24.551081412248855,"endHours":26.114206424343983,"quality":"auspicious"},{"name":"Amṛta","start":"02:07","end":"03:41","startHours":26.114206424343983,"endHours":27.677331436439108,"quality":"auspicious"},{"name":"Kāla","start":"03:41","end":"05:14","startHours":27.677331436439108,"endHours":29.240456448534232,"quality":"inauspicious"},{"name":"Śubha","start":"05:14","end":"06:48","startHours":29.240456448534232,"endHours":30.80358146062936,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.803581460629359,"endHours":7.803581460629359,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.803581460629359,"endHours":8.80358146062936,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.80358146062936,"endHours":9.80358146062936,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.80358146062936,"endHours":10.80358146062936,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.80358146062936,"endHours":11.80358146062936,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.80358146062936,"endHours":12.80358146062936,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.80358146062936,"endHours":13.80358146062936,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.80358146062936,"endHours":14.80358146062936,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.80358146062936,"endHours":15.80358146062936,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.80358146062936,"endHours":16.80358146062936,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.80358146062936,"endHours":17.80358146062936,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.80358146062936,"endHours":18.80358146062936,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.80358146062936,"endHours":19.80358146062936,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.80358146062936,"endHours":20.80358146062936,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.80358146062936,"endHours":21.80358146062936,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.80358146062936,"endHours":22.80358146062936,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.80358146062936,"endHours":23.80358146062936,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.80358146062936,"endHours":24.80358146062936,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.80358146062936,"endHours":25.80358146062936,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.80358146062936,"endHours":26.80358146062936,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.80358146062936,"endHours":27.80358146062936,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.80358146062936,"endHours":28.80358146062936,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.80358146062936,"endHours":29.80358146062936,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.80358146062936,"endHours":30.80358146062936,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.998072246097422,"eotMinutes":-13.702084734931393,"ayanamsa":26.3836}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ekādaśī · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[]},"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 February 25, 2181 CE · Vṛndāvana · Vidhyamitra","description":"February 25, 2181 CE for Vṛndāvana: Śukla Ekādaśī, sūryodaya 06:48, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2181-02-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2181-02-25","sa":"https://sa.vidhyamitra.com/city/vrindavan/2181-02-25","hi":"https://hi.vidhyamitra.com/city/vrindavan/2181-02-25","x-default":"https://vidhyamitra.com/city/vrindavan/2181-02-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:59:49.379Z","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":"2026-05-31T10:59:49.379Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:59:49.379Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}