{"id":"vidhyamitra:city-day:vrindavan:2027-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2027-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-01-18","date_display":"January 18, 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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461423.770833,"kali_year":5128,"ahargana":1872958.2708,"sun":{"sidereal_longitude":273.3092,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":34.1544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":120.8452,"elapsed_within_tithi_degrees":0.8452},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.1544,"elapsed_within_degrees":7.4878},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.4636},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461423.770833,"ahargana":1872958.2708,"kali_year":5128,"ayanamsa_lahiri":24.2308,"grahas":{"sun":{"sidereal_longitude":273.46436900000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":31.166469000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":4.4957},"mars":{"sidereal_longitude":135.421269,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":283.49736899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":120.54726900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":226.740269,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":345.048769,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":301.6575,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":121.6575,"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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461423.770833,"kali_year":5128,"ahargana":1872958.2708,"sun":{"sidereal_longitude":273.3092,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":34.1544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":120.8452,"elapsed_within_tithi_degrees":0.8452},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.1544,"elapsed_within_degrees":7.4878},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.4636},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.496,"elongation":120.845},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.496,"opposition_distance":59.155}},"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":"07:11","sunsetLocal":"17:48","solarNoonLocal":"12:30","dayLengthHours":10.62595022315513,"dayLengthDisplay":"10 Hours 37 Mins 33 Secs","nightLengthDisplay":"13 Hours 22 Mins 27 Secs","moonriseLocal":"13:36","moonsetLocal":"03:05","rahuKala":{"name":"Rāhu Kāla","start":"08:31","end":"09:50","startHours":8.51046915934499,"endHours":9.838712937239379,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:10","end":"12:30","startHours":11.166956715133772,"endHours":12.495200493028161,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:49","end":"15:09","startHours":13.823444270922554,"endHours":15.151688048816943,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.66161376685346,"endHours":10.015812107625298,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.624973307415394,"endHours":7.908331980032864,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.141002152256323,"endHours":12.849398833799999,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.765432018363247,"endHours":6.473828699906922,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.296729529521003,"endHours":7.182225381450597,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:58","startHours":14.26619219688735,"endHours":14.974588878431025,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.608175604605727,"endHours":18.008175604605725,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:15","startHours":17.808175604605726,"endHours":18.250923530570525,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.558175604605726,"endHours":19.308175604605726,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.141002152256323,"endHours":24.8493988338,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:11","end":"08:31","startHours":7.182225381450597,"endHours":8.51046915934499,"quality":"auspicious"},{"name":"Kāla","start":"08:31","end":"09:50","startHours":8.51046915934499,"endHours":9.838712937239379,"quality":"inauspicious"},{"name":"Śubha","start":"09:50","end":"11:10","startHours":9.838712937239379,"endHours":11.166956715133772,"quality":"auspicious"},{"name":"Roga","start":"11:10","end":"12:30","startHours":11.166956715133772,"endHours":12.495200493028161,"quality":"inauspicious"},{"name":"Udveg","start":"12:30","end":"13:49","startHours":12.495200493028161,"endHours":13.823444270922554,"quality":"inauspicious"},{"name":"Chala","start":"13:49","end":"15:09","startHours":13.823444270922554,"endHours":15.151688048816943,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:29","startHours":15.151688048816943,"endHours":16.479931826711336,"quality":"auspicious"},{"name":"Amṛta","start":"16:29","end":"17:48","startHours":16.479931826711336,"endHours":17.808175604605726,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:48","end":"19:29","startHours":17.808175604605726,"endHours":19.479931826711336,"quality":"neutral"},{"name":"Labha","start":"19:29","end":"21:09","startHours":19.479931826711336,"endHours":21.151688048816943,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:49","startHours":21.151688048816943,"endHours":22.82344427092255,"quality":"auspicious"},{"name":"Kāla","start":"22:49","end":"00:30","startHours":22.82344427092255,"endHours":24.49520049302816,"quality":"inauspicious"},{"name":"Śubha","start":"00:30","end":"02:10","startHours":24.49520049302816,"endHours":26.16695671513377,"quality":"auspicious"},{"name":"Roga","start":"02:10","end":"03:50","startHours":26.16695671513377,"endHours":27.83871293723938,"quality":"inauspicious"},{"name":"Udveg","start":"03:50","end":"05:31","startHours":27.83871293723938,"endHours":29.510469159344986,"quality":"inauspicious"},{"name":"Chala","start":"05:31","end":"07:11","startHours":29.510469159344986,"endHours":31.182225381450596,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.182225381450597,"endHours":8.182225381450596,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.182225381450596,"endHours":9.182225381450596,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.182225381450596,"endHours":10.182225381450596,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.182225381450596,"endHours":11.182225381450596,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.182225381450596,"endHours":12.182225381450596,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.182225381450596,"endHours":13.182225381450596,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.182225381450596,"endHours":14.182225381450596,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.182225381450596,"endHours":15.182225381450596,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.182225381450596,"endHours":16.182225381450596,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.182225381450596,"endHours":17.182225381450596,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.182225381450596,"endHours":18.182225381450596,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.182225381450596,"endHours":19.182225381450596,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.182225381450596,"endHours":20.182225381450596,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.182225381450596,"endHours":21.182225381450596,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.182225381450596,"endHours":22.182225381450596,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.182225381450596,"endHours":23.182225381450596,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.182225381450596,"endHours":24.182225381450596,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.182225381450596,"endHours":25.182225381450596,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.182225381450596,"endHours":26.182225381450596,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.182225381450596,"endHours":27.182225381450596,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.182225381450596,"endHours":28.182225381450596,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.182225381450596,"endHours":29.182225381450596,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.182225381450596,"endHours":30.182225381450596,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.182225381450596,"endHours":31.182225381450596,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.619816345785985,"eotMinutes":-10.349229581689698,"ayanamsa":24.2308}},"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 Ekādaśī · 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":"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},{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 January 18, 2027 CE · Vṛndāvana · Vidhyamitra","description":"January 18, 2027 CE for Vṛndāvana: Śukla Ekādaśī, sūryodaya 07:11, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2027-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2027-01-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/2027-01-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/2027-01-18","x-default":"https://vidhyamitra.com/city/vrindavan/2027-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T03:30:47.358Z","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":"2026-05-15T03:30:47.358Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T03:30:47.358Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}