{"id":"vidhyamitra:city-day:vrindavan:2091-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2091-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-01-27","date_display":"January 27, 2091 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":2091,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484808.770833,"kali_year":5192,"ahargana":1896343.2708,"sun":{"sidereal_longitude":281.9619,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":6.0675,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.1055,"elapsed_within_tithi_degrees":0.1055},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.0675,"elapsed_within_degrees":6.0675},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.0294},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2091,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484808.770833,"ahargana":1896343.2708,"kali_year":5192,"ayanamsa_lahiri":25.1252,"grahas":{"sun":{"sidereal_longitude":282.20038999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":3.68819000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-3.0936},"mars":{"sidereal_longitude":149.43429000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":274.43469000000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":253.17309,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":238.14619000000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":53.05399,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":142.6077,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":322.6077,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2091,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484808.770833,"kali_year":5192,"ahargana":1896343.2708,"sun":{"sidereal_longitude":281.9619,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":6.0675,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.1055,"elapsed_within_tithi_degrees":0.1055},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.0675,"elapsed_within_degrees":6.0675},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.0294},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.094,"elongation":84.106},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.094,"opposition_distance":95.894}},"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":"17:56","solarNoonLocal":"12:32","dayLengthHours":10.797583546062345,"dayLengthDisplay":"10 Hours 47 Mins 51 Secs","nightLengthDisplay":"13 Hours 12 Mins 09 Secs","moonriseLocal":"11:32","moonsetLocal":"00:24","rahuKala":{"name":"Rāhu Kāla","start":"09:50","end":"11:11","startHours":9.836064205265732,"endHours":11.185762148523526,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:53","end":"15:14","startHours":13.885158035039112,"endHours":15.234855978296906,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:08","end":"08:29","startHours":7.136668318750146,"endHours":8.48636626200794,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.656104479498026,"endHours":10.016023931033438,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.58656763316941,"endHours":7.8745031943977395,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:54","startHours":12.175540640245908,"endHours":12.89537954331673,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:25","startHours":5.696990512608499,"endHours":6.416829415679323,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:08","startHours":6.236869689911617,"endHours":7.136668318750146,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:03","startHours":14.335057349458374,"endHours":15.054896252529197,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.734251864812492,"endHours":18.13425186481249,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:23","startHours":17.93425186481249,"endHours":18.384151179231758,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.68425186481249,"endHours":19.43425186481249,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:54","startHours":24.175540640245906,"endHours":24.89537954331673,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:08","end":"08:29","startHours":7.136668318750146,"endHours":8.48636626200794,"quality":"inauspicious"},{"name":"Śubha","start":"08:29","end":"09:50","startHours":8.48636626200794,"endHours":9.836064205265732,"quality":"auspicious"},{"name":"Roga","start":"09:50","end":"11:11","startHours":9.836064205265732,"endHours":11.185762148523526,"quality":"inauspicious"},{"name":"Udveg","start":"11:11","end":"12:32","startHours":11.185762148523526,"endHours":12.535460091781317,"quality":"inauspicious"},{"name":"Chala","start":"12:32","end":"13:53","startHours":12.535460091781317,"endHours":13.885158035039112,"quality":"neutral"},{"name":"Labha","start":"13:53","end":"15:14","startHours":13.885158035039112,"endHours":15.234855978296906,"quality":"auspicious"},{"name":"Amṛta","start":"15:14","end":"16:35","startHours":15.234855978296906,"endHours":16.584553921554697,"quality":"auspicious"},{"name":"Kāla","start":"16:35","end":"17:56","startHours":16.584553921554697,"endHours":17.93425186481249,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:56","end":"19:35","startHours":17.93425186481249,"endHours":19.584553921554697,"quality":"auspicious"},{"name":"Amṛta","start":"19:35","end":"21:14","startHours":19.584553921554697,"endHours":21.234855978296906,"quality":"auspicious"},{"name":"Kāla","start":"21:14","end":"22:53","startHours":21.234855978296906,"endHours":22.88515803503911,"quality":"inauspicious"},{"name":"Śubha","start":"22:53","end":"00:32","startHours":22.88515803503911,"endHours":24.535460091781317,"quality":"auspicious"},{"name":"Roga","start":"00:32","end":"02:11","startHours":24.535460091781317,"endHours":26.185762148523526,"quality":"inauspicious"},{"name":"Udveg","start":"02:11","end":"03:50","startHours":26.185762148523526,"endHours":27.836064205265732,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:29","startHours":27.836064205265732,"endHours":29.48636626200794,"quality":"neutral"},{"name":"Labha","start":"05:29","end":"07:08","startHours":29.48636626200794,"endHours":31.136668318750147,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.136668318750146,"endHours":8.136668318750147,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.136668318750147,"endHours":9.136668318750147,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.136668318750147,"endHours":10.136668318750147,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.136668318750147,"endHours":11.136668318750147,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.136668318750147,"endHours":12.136668318750147,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.136668318750147,"endHours":13.136668318750147,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.136668318750147,"endHours":14.136668318750147,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.136668318750147,"endHours":15.136668318750147,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.136668318750147,"endHours":16.136668318750147,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.136668318750147,"endHours":17.136668318750147,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.136668318750147,"endHours":18.136668318750147,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.136668318750147,"endHours":19.136668318750147,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.136668318750147,"endHours":20.136668318750147,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.136668318750147,"endHours":21.136668318750147,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.136668318750147,"endHours":22.136668318750147,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.136668318750147,"endHours":23.136668318750147,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.136668318750147,"endHours":24.136668318750147,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.136668318750147,"endHours":25.136668318750147,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.136668318750147,"endHours":26.136668318750147,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.136668318750147,"endHours":27.136668318750147,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.136668318750147,"endHours":28.136668318750147,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.136668318750147,"endHours":29.136668318750147,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.136668318750147,"endHours":30.136668318750147,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.136668318750147,"endHours":31.136668318750147,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"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":-18.437979503579594,"eotMinutes":-12.76480550687915,"ayanamsa":25.1252}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"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":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]},{"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":"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 27, 2091 CE · Vṛndāvana · Vidhyamitra","description":"January 27, 2091 CE for Vṛndāvana: Śukla Aṣṭamī, sūryodaya 07:08, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2091-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2091-01-27","sa":"https://sa.vidhyamitra.com/city/vrindavan/2091-01-27","hi":"https://hi.vidhyamitra.com/city/vrindavan/2091-01-27","x-default":"https://vidhyamitra.com/city/vrindavan/2091-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T03:23:10.269Z","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":"2026-05-20T03:23:10.269Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T03:23:10.269Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}