{"id":"vidhyamitra:city-day:varanasi:2087-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/2087-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2087-02-01","date_display":"February 1, 2087 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":2087,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483352.770833,"kali_year":5188,"ahargana":1894887.2708,"sun":{"sidereal_longitude":287.1133,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":255.5763,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.463,"elapsed_within_tithi_degrees":4.463},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.5763,"elapsed_within_degrees":2.243},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.6897},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2087,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483352.770833,"ahargana":1894887.2708,"kali_year":5188,"ayanamsa_lahiri":25.0695,"grahas":{"sun":{"sidereal_longitude":287.30611999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":256.24012000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":2.632},"mars":{"sidereal_longitude":60.89552000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":295.14941999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":141.63542,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":314.95862,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":358.95492,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":219.7536,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.7536,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2087,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483352.770833,"kali_year":5188,"ahargana":1894887.2708,"sun":{"sidereal_longitude":287.1133,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":255.5763,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.463,"elapsed_within_tithi_degrees":4.463},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.5763,"elapsed_within_degrees":2.243},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.6897},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.632,"elongation":31.537},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.632,"opposition_distance":148.463}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:41","sunsetLocal":"17:42","solarNoonLocal":"12:12","dayLengthHours":11.014897299165213,"dayLengthDisplay":"11 Hours 00 Mins 54 Secs","nightLengthDisplay":"12 Hours 59 Mins 06 Secs","moonriseLocal":"04:51","moonsetLocal":"15:24","rahuKala":{"name":"Rāhu Kāla","start":"09:27","end":"10:49","startHours":9.442838143831956,"endHours":10.81970030622761,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:34","end":"14:57","startHours":13.573424631018913,"endHours":14.950286793414563,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:41","end":"08:04","startHours":6.689113819040654,"endHours":8.065975981436306,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:38","startHours":9.259256522179204,"endHours":9.62641976548471,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.148067873172538,"endHours":7.441798467816944,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:34","startHours":11.829399225317752,"endHours":12.563725711928766,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:57","startHours":5.220460845818625,"endHours":5.95478733242964,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:41","startHours":5.771205710776886,"endHours":6.689113819040654,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:46","startHours":14.032378685150796,"endHours":14.76670517176181,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.504011118205867,"endHours":17.904011118205865,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:10","startHours":17.704011118205866,"endHours":18.16296517233775,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.454011118205866,"endHours":19.204011118205866,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:34","startHours":23.82939922531775,"endHours":24.563725711928768,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:41","end":"08:04","startHours":6.689113819040654,"endHours":8.065975981436306,"quality":"inauspicious"},{"name":"Śubha","start":"08:04","end":"09:27","startHours":8.065975981436306,"endHours":9.442838143831956,"quality":"auspicious"},{"name":"Roga","start":"09:27","end":"10:49","startHours":9.442838143831956,"endHours":10.81970030622761,"quality":"inauspicious"},{"name":"Udveg","start":"10:49","end":"12:12","startHours":10.81970030622761,"endHours":12.19656246862326,"quality":"inauspicious"},{"name":"Chala","start":"12:12","end":"13:34","startHours":12.19656246862326,"endHours":13.573424631018913,"quality":"neutral"},{"name":"Labha","start":"13:34","end":"14:57","startHours":13.573424631018913,"endHours":14.950286793414563,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:20","startHours":14.950286793414563,"endHours":16.327148955810216,"quality":"auspicious"},{"name":"Kāla","start":"16:20","end":"17:42","startHours":16.327148955810216,"endHours":17.704011118205866,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:42","end":"19:20","startHours":17.704011118205866,"endHours":19.327148955810216,"quality":"auspicious"},{"name":"Amṛta","start":"19:20","end":"20:57","startHours":19.327148955810216,"endHours":20.950286793414563,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:34","startHours":20.950286793414563,"endHours":22.57342463101891,"quality":"inauspicious"},{"name":"Śubha","start":"22:34","end":"00:12","startHours":22.57342463101891,"endHours":24.19656246862326,"quality":"auspicious"},{"name":"Roga","start":"00:12","end":"01:49","startHours":24.19656246862326,"endHours":25.81970030622761,"quality":"inauspicious"},{"name":"Udveg","start":"01:49","end":"03:27","startHours":25.81970030622761,"endHours":27.442838143831956,"quality":"inauspicious"},{"name":"Chala","start":"03:27","end":"05:04","startHours":27.442838143831956,"endHours":29.065975981436303,"quality":"neutral"},{"name":"Labha","start":"05:04","end":"06:41","startHours":29.065975981436303,"endHours":30.689113819040653,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.689113819040654,"endHours":7.689113819040654,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.689113819040654,"endHours":8.689113819040653,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.689113819040653,"endHours":9.689113819040653,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.689113819040653,"endHours":10.689113819040653,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.689113819040653,"endHours":11.689113819040653,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.689113819040653,"endHours":12.689113819040653,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.689113819040653,"endHours":13.689113819040653,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.689113819040653,"endHours":14.689113819040653,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.689113819040653,"endHours":15.689113819040653,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.689113819040653,"endHours":16.689113819040653,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.689113819040653,"endHours":17.689113819040653,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.689113819040653,"endHours":18.689113819040653,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.689113819040653,"endHours":19.689113819040653,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.689113819040653,"endHours":20.689113819040653,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.689113819040653,"endHours":21.689113819040653,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.689113819040653,"endHours":22.689113819040653,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.689113819040653,"endHours":23.689113819040653,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.689113819040653,"endHours":24.689113819040653,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.689113819040653,"endHours":25.689113819040653,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.689113819040653,"endHours":26.689113819040653,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.689113819040653,"endHours":27.689113819040653,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.689113819040653,"endHours":28.689113819040653,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.689113819040653,"endHours":29.689113819040653,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.689113819040653,"endHours":30.689113819040653,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","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":-17.08689792444545,"eotMinutes":-13.689348117395623,"ayanamsa":25.0695}},"calendars":{"vikram_samvat":2144,"vikram_samvatsara":"Raudra","saka_samvat":2009,"saka_samvatsara":"Plavaṅga","bengali_samvat":1494,"malayalam_era":1263,"nanakshahi_year":618,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Trayodaśī · Vikram 2144 Raudra · Śaka 2009 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":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 1, 2087 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"February 1, 2087 CE for Vārāṇasī (Kāśī): Kṛṣṇa Trayodaśī, sūryodaya 06:41, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/2087-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/2087-02-01","sa":"https://sa.vidhyamitra.com/city/varanasi/2087-02-01","hi":"https://hi.vidhyamitra.com/city/varanasi/2087-02-01","x-default":"https://vidhyamitra.com/city/varanasi/2087-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:49:20.708Z","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":"2026-05-14T15:49:20.708Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:49:20.708Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}