{"id":"vidhyamitra:city-day:vrindavan:2027-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2027-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-02-11","date_display":"February 11, 2027 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":2027,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461447.770833,"kali_year":5128,"ahargana":1872982.2708,"sun":{"sidereal_longitude":297.8482,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":350.1272,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.2789,"elapsed_within_tithi_degrees":4.2789},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.1272,"elapsed_within_degrees":3.4605},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.9754},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2027,"month":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461447.770833,"ahargana":1872982.2708,"kali_year":5128,"ayanamsa_lahiri":24.2317,"grahas":{"sun":{"sidereal_longitude":297.83625200000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":347.424652,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":3.4326},"mars":{"sidereal_longitude":129.46755199999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":311.267552,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":117.58205199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":253.92095199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":347.016552,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":300.3859,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":120.3859,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2027,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461447.770833,"kali_year":5128,"ahargana":1872982.2708,"sun":{"sidereal_longitude":297.8482,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":350.1272,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.2789,"elapsed_within_tithi_degrees":4.2789},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.1272,"elapsed_within_degrees":3.4605},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.9754},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.433,"elongation":52.279},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.433,"opposition_distance":127.721}},"eclipse_window_40days":[{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":-0.791,"opposition_distance":1.992}]},"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":"07:00","sunsetLocal":"18:08","solarNoonLocal":"12:34","dayLengthHours":11.121735541382748,"dayLengthDisplay":"11 Hours 07 Mins 18 Secs","nightLengthDisplay":"12 Hours 52 Mins 42 Secs","moonriseLocal":"09:40","moonsetLocal":"22:05","rahuKala":{"name":"Rāhu Kāla","start":"13:57","end":"15:21","startHours":13.95588263518249,"endHours":15.346099577855334,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:00","end":"08:24","startHours":7.004797921818273,"endHours":8.395014864491117,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:47","end":"11:11","startHours":9.78523180716396,"endHours":11.175448749836804,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:58","startHours":9.599869548140914,"endHours":9.970594066187006,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.468203569375888,"endHours":7.764783183812761,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.194941174463555,"endHours":12.93639021055574,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:16","startHours":5.521899849633907,"endHours":6.26334888572609,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"07:00","startHours":6.077986626703044,"endHours":7.004797921818273,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:10","startHours":14.419288282740105,"endHours":15.160737318832288,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.92653346320102,"endHours":18.32653346320102,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:35","startHours":18.12653346320102,"endHours":18.589939110758635,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.87653346320102,"endHours":19.62653346320102,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.194941174463555,"endHours":24.93639021055574,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:00","end":"08:24","startHours":7.004797921818273,"endHours":8.395014864491117,"quality":"auspicious"},{"name":"Roga","start":"08:24","end":"09:47","startHours":8.395014864491117,"endHours":9.78523180716396,"quality":"inauspicious"},{"name":"Udveg","start":"09:47","end":"11:11","startHours":9.78523180716396,"endHours":11.175448749836804,"quality":"inauspicious"},{"name":"Chala","start":"11:11","end":"12:34","startHours":11.175448749836804,"endHours":12.565665692509647,"quality":"neutral"},{"name":"Labha","start":"12:34","end":"13:57","startHours":12.565665692509647,"endHours":13.95588263518249,"quality":"auspicious"},{"name":"Amṛta","start":"13:57","end":"15:21","startHours":13.95588263518249,"endHours":15.346099577855334,"quality":"auspicious"},{"name":"Kāla","start":"15:21","end":"16:44","startHours":15.346099577855334,"endHours":16.736316520528177,"quality":"inauspicious"},{"name":"Śubha","start":"16:44","end":"18:08","startHours":16.736316520528177,"endHours":18.12653346320102,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:08","end":"19:44","startHours":18.12653346320102,"endHours":19.736316520528177,"quality":"auspicious"},{"name":"Kāla","start":"19:44","end":"21:21","startHours":19.736316520528177,"endHours":21.346099577855334,"quality":"inauspicious"},{"name":"Śubha","start":"21:21","end":"22:57","startHours":21.346099577855334,"endHours":22.95588263518249,"quality":"auspicious"},{"name":"Roga","start":"22:57","end":"00:34","startHours":22.95588263518249,"endHours":24.565665692509647,"quality":"inauspicious"},{"name":"Udveg","start":"00:34","end":"02:11","startHours":24.565665692509647,"endHours":26.175448749836804,"quality":"inauspicious"},{"name":"Chala","start":"02:11","end":"03:47","startHours":26.175448749836804,"endHours":27.78523180716396,"quality":"neutral"},{"name":"Labha","start":"03:47","end":"05:24","startHours":27.78523180716396,"endHours":29.395014864491117,"quality":"auspicious"},{"name":"Amṛta","start":"05:24","end":"07:00","startHours":29.395014864491117,"endHours":31.004797921818273,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.004797921818273,"endHours":8.004797921818273,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.004797921818273,"endHours":9.004797921818273,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.004797921818273,"endHours":10.004797921818273,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.004797921818273,"endHours":11.004797921818273,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.004797921818273,"endHours":12.004797921818273,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.004797921818273,"endHours":13.004797921818273,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.004797921818273,"endHours":14.004797921818273,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.004797921818273,"endHours":15.004797921818273,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.004797921818273,"endHours":16.004797921818273,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.004797921818273,"endHours":17.004797921818273,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.004797921818273,"endHours":18.004797921818273,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.004797921818273,"endHours":19.004797921818273,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.004797921818273,"endHours":20.004797921818273,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.004797921818273,"endHours":21.004797921818273,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.004797921818273,"endHours":22.004797921818273,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.004797921818273,"endHours":23.004797921818273,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.004797921818273,"endHours":24.004797921818273,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.004797921818273,"endHours":25.004797921818273,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.004797921818273,"endHours":26.004797921818273,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.004797921818273,"endHours":27.004797921818273,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.004797921818273,"endHours":28.004797921818273,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.004797921818273,"endHours":29.004797921818273,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.004797921818273,"endHours":30.004797921818273,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.004797921818273,"endHours":31.004797921818273,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-14.152090624472212,"eotMinutes":-14.577141550578775,"ayanamsa":24.2317}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 11, 2027 CE · Vṛndāvana · Vidhyamitra","description":"February 11, 2027 CE for Vṛndāvana: Śukla Pañcamī, sūryodaya 07:00, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2027-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2027-02-11","sa":"https://sa.vidhyamitra.com/city/vrindavan/2027-02-11","hi":"https://hi.vidhyamitra.com/city/vrindavan/2027-02-11","x-default":"https://vidhyamitra.com/city/vrindavan/2027-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:39:10.769Z","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":"2026-05-14T21:39:10.769Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:39:10.769Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}