{"id":"vidhyamitra:city-day:vrindavan:2178-02-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2178-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2178-02-21","date_display":"February 21, 2178 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":2178,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516609.770833,"kali_year":5279,"ahargana":1928144.2708,"sun":{"sidereal_longitude":305.8976,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":345.2634,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.3657,"elapsed_within_tithi_degrees":3.3657},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":345.2634,"elapsed_within_degrees":11.93},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.161},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2178,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516609.770833,"ahargana":1928144.2708,"kali_year":5279,"ayanamsa_lahiri":26.3415,"grahas":{"sun":{"sidereal_longitude":306.196858,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":342.686458,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":4.4961},"mars":{"sidereal_longitude":247.13055800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":310.189158,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":6.443157999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":325.86615800000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":33.415858000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":257.6377,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":77.6377,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2178,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516609.770833,"kali_year":5279,"ahargana":1928144.2708,"sun":{"sidereal_longitude":305.8976,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":345.2634,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.3657,"elapsed_within_tithi_degrees":3.3657},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":345.2634,"elapsed_within_degrees":11.93},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.161},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.496,"elongation":39.366},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.496,"opposition_distance":140.634}},"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":"06:52","sunsetLocal":"18:15","solarNoonLocal":"12:34","dayLengthHours":11.382713794569444,"dayLengthDisplay":"11 Hours 22 Mins 58 Secs","nightLengthDisplay":"12 Hours 37 Mins 02 Secs","moonriseLocal":"08:49","moonsetLocal":"21:10","rahuKala":{"name":"Rāhu Kāla","start":"09:43","end":"11:08","startHours":9.71353225704491,"endHours":11.136371481366092,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:59","end":"15:24","startHours":13.982049930008452,"endHours":15.404889154329634,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:52","end":"08:17","startHours":6.86785380840255,"endHours":8.29069303272373,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:54","startHours":9.523820360468754,"endHours":9.903244153621069,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:39","startHours":7.342133549842944,"endHours":7.645672584364796,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:56","startHours":12.179786912534958,"endHours":12.938634498839587,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:07","startHours":5.350158635793291,"endHours":6.109006222097921,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:55","end":"06:52","startHours":5.919294325521763,"endHours":6.86785380840255,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:13","startHours":14.456329671448845,"endHours":15.215177257753474,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.050567602971995,"endHours":18.450567602971994,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:43","startHours":18.250567602971994,"endHours":18.72484734441239,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.000567602971994,"endHours":19.750567602971994,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:56","startHours":24.179786912534954,"endHours":24.938634498839587,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:52","end":"08:17","startHours":6.86785380840255,"endHours":8.29069303272373,"quality":"inauspicious"},{"name":"Śubha","start":"08:17","end":"09:43","startHours":8.29069303272373,"endHours":9.71353225704491,"quality":"auspicious"},{"name":"Roga","start":"09:43","end":"11:08","startHours":9.71353225704491,"endHours":11.136371481366092,"quality":"inauspicious"},{"name":"Udveg","start":"11:08","end":"12:34","startHours":11.136371481366092,"endHours":12.559210705687272,"quality":"inauspicious"},{"name":"Chala","start":"12:34","end":"13:59","startHours":12.559210705687272,"endHours":13.982049930008452,"quality":"neutral"},{"name":"Labha","start":"13:59","end":"15:24","startHours":13.982049930008452,"endHours":15.404889154329634,"quality":"auspicious"},{"name":"Amṛta","start":"15:24","end":"16:50","startHours":15.404889154329634,"endHours":16.827728378650814,"quality":"auspicious"},{"name":"Kāla","start":"16:50","end":"18:15","startHours":16.827728378650814,"endHours":18.250567602971994,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:15","end":"19:50","startHours":18.250567602971994,"endHours":19.827728378650814,"quality":"auspicious"},{"name":"Amṛta","start":"19:50","end":"21:24","startHours":19.827728378650814,"endHours":21.404889154329634,"quality":"auspicious"},{"name":"Kāla","start":"21:24","end":"22:59","startHours":21.404889154329634,"endHours":22.98204993000845,"quality":"inauspicious"},{"name":"Śubha","start":"22:59","end":"00:34","startHours":22.98204993000845,"endHours":24.55921070568727,"quality":"auspicious"},{"name":"Roga","start":"00:34","end":"02:08","startHours":24.55921070568727,"endHours":26.13637148136609,"quality":"inauspicious"},{"name":"Udveg","start":"02:08","end":"03:43","startHours":26.13637148136609,"endHours":27.71353225704491,"quality":"inauspicious"},{"name":"Chala","start":"03:43","end":"05:17","startHours":27.71353225704491,"endHours":29.29069303272373,"quality":"neutral"},{"name":"Labha","start":"05:17","end":"06:52","startHours":29.29069303272373,"endHours":30.86785380840255,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.86785380840255,"endHours":7.86785380840255,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.86785380840255,"endHours":8.86785380840255,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.86785380840255,"endHours":9.86785380840255,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.86785380840255,"endHours":10.86785380840255,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.86785380840255,"endHours":11.86785380840255,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.86785380840255,"endHours":12.86785380840255,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.86785380840255,"endHours":13.86785380840255,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.86785380840255,"endHours":14.86785380840255,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.86785380840255,"endHours":15.86785380840255,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.86785380840255,"endHours":16.86785380840255,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.86785380840255,"endHours":17.86785380840255,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.86785380840255,"endHours":18.86785380840255,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.86785380840255,"endHours":19.86785380840255,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.86785380840255,"endHours":20.86785380840255,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.86785380840255,"endHours":21.86785380840255,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.86785380840255,"endHours":22.86785380840255,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.86785380840255,"endHours":23.86785380840255,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.86785380840255,"endHours":24.86785380840255,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.86785380840255,"endHours":25.86785380840255,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.86785380840255,"endHours":26.86785380840255,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.86785380840255,"endHours":27.86785380840255,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.86785380840255,"endHours":28.86785380840255,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.86785380840255,"endHours":29.86785380840255,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.86785380840255,"endHours":30.86785380840255,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","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":-10.568806565441959,"eotMinutes":-14.189842341236304,"ayanamsa":26.3415}},"calendars":{"vikram_samvat":2235,"vikram_samvatsara":"Khara","saka_samvat":2100,"saka_samvatsara":"Bahudhānya","bengali_samvat":1585,"malayalam_era":1354,"nanakshahi_year":709,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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":"Phālguna Śukla Caturthī · Vikram 2235 Khara · Śaka 2100 Bahudhānya"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 21, 2178 CE · Vṛndāvana · Vidhyamitra","description":"February 21, 2178 CE for Vṛndāvana: Śukla Caturthī, sūryodaya 06:52, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2178-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2178-02-21","sa":"https://sa.vidhyamitra.com/city/vrindavan/2178-02-21","hi":"https://hi.vidhyamitra.com/city/vrindavan/2178-02-21","x-default":"https://vidhyamitra.com/city/vrindavan/2178-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:19:30.578Z","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":"2026-06-01T21:19:30.578Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:19:30.578Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}