{"id":"vidhyamitra:city-day:rishikesh:2087-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2087-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2087-02-07","date_display":"February 7, 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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483358.770833,"kali_year":5188,"ahargana":1894893.2708,"sun":{"sidereal_longitude":293.2389,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":338.0902,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.8512,"elapsed_within_tithi_degrees":8.8512},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.0902,"elapsed_within_degrees":4.7568},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.3291},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483358.770833,"ahargana":1894893.2708,"kali_year":5188,"ayanamsa_lahiri":25.0698,"grahas":{"sun":{"sidereal_longitude":293.39288999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":340.50669,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":3.9479},"mars":{"sidereal_longitude":61.025390000000016,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":288.43569,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":141.06979,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":322.35289,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":359.37709,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":219.4356,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.4356,"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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483358.770833,"kali_year":5188,"ahargana":1894893.2708,"sun":{"sidereal_longitude":293.2389,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":338.0902,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.8512,"elapsed_within_tithi_degrees":8.8512},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.0902,"elapsed_within_degrees":4.7568},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.3291},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.948,"elongation":44.851},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.948,"opposition_distance":135.149}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:04","sunsetLocal":"17:59","solarNoonLocal":"12:31","dayLengthHours":10.919283994508355,"dayLengthDisplay":"10 Hours 55 Mins 09 Secs","nightLengthDisplay":"13 Hours 04 Mins 51 Secs","moonriseLocal":"09:32","moonsetLocal":"21:48","rahuKala":{"name":"Rāhu Kāla","start":"11:09","end":"12:31","startHours":11.156877042509235,"endHours":12.521787541822778,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:15","end":"16:37","startHours":15.251608540449869,"endHours":16.61651903976341,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:26","end":"09:48","startHours":8.427056043882146,"endHours":9.791966543195691,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:58","startHours":9.609978476620551,"endHours":9.97395460977083,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:48","startHours":7.51711571100645,"endHours":7.808296617526673,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.157811408672499,"endHours":12.885763674973058,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:20","startHours":5.606241011967488,"endHours":6.334193278268045,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:04","startHours":6.152205211692905,"endHours":7.062145544568602,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:04","startHours":14.341668207574171,"endHours":15.069620473874728,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.781429539076957,"endHours":18.181429539076955,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:26","startHours":17.981429539076956,"endHours":18.436399705514805,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.731429539076956,"endHours":19.481429539076956,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.1578114086725,"endHours":24.885763674973056,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:04","end":"08:26","startHours":7.062145544568602,"endHours":8.427056043882146,"quality":"neutral"},{"name":"Labha","start":"08:26","end":"09:48","startHours":8.427056043882146,"endHours":9.791966543195691,"quality":"auspicious"},{"name":"Amṛta","start":"09:48","end":"11:09","startHours":9.791966543195691,"endHours":11.156877042509235,"quality":"auspicious"},{"name":"Kāla","start":"11:09","end":"12:31","startHours":11.156877042509235,"endHours":12.521787541822778,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:53","startHours":12.521787541822778,"endHours":13.886698041136324,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:15","startHours":13.886698041136324,"endHours":15.251608540449869,"quality":"inauspicious"},{"name":"Udveg","start":"15:15","end":"16:37","startHours":15.251608540449869,"endHours":16.61651903976341,"quality":"inauspicious"},{"name":"Chala","start":"16:37","end":"17:59","startHours":16.61651903976341,"endHours":17.981429539076956,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:59","end":"19:37","startHours":17.981429539076956,"endHours":19.61651903976341,"quality":"inauspicious"},{"name":"Udveg","start":"19:37","end":"21:15","startHours":19.61651903976341,"endHours":21.251608540449865,"quality":"inauspicious"},{"name":"Chala","start":"21:15","end":"22:53","startHours":21.251608540449865,"endHours":22.886698041136324,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:31","startHours":22.886698041136324,"endHours":24.52178754182278,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:09","startHours":24.52178754182278,"endHours":26.156877042509233,"quality":"auspicious"},{"name":"Kāla","start":"02:09","end":"03:48","startHours":26.156877042509233,"endHours":27.79196654319569,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:26","startHours":27.79196654319569,"endHours":29.427056043882146,"quality":"auspicious"},{"name":"Roga","start":"05:26","end":"07:04","startHours":29.427056043882146,"endHours":31.0621455445686,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.062145544568602,"endHours":8.062145544568601,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.062145544568601,"endHours":9.062145544568601,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.062145544568601,"endHours":10.062145544568601,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.062145544568601,"endHours":11.062145544568601,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.062145544568601,"endHours":12.062145544568601,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.062145544568601,"endHours":13.062145544568601,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.062145544568601,"endHours":14.062145544568601,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.062145544568601,"endHours":15.062145544568601,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.062145544568601,"endHours":16.0621455445686,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.0621455445686,"endHours":17.0621455445686,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.0621455445686,"endHours":18.0621455445686,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.0621455445686,"endHours":19.0621455445686,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.0621455445686,"endHours":20.0621455445686,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.0621455445686,"endHours":21.0621455445686,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.0621455445686,"endHours":22.0621455445686,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.0621455445686,"endHours":23.0621455445686,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.0621455445686,"endHours":24.0621455445686,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.0621455445686,"endHours":25.0621455445686,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.0621455445686,"endHours":26.0621455445686,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.0621455445686,"endHours":27.0621455445686,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.0621455445686,"endHours":28.0621455445686,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.0621455445686,"endHours":29.0621455445686,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.0621455445686,"endHours":30.0621455445686,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.0621455445686,"endHours":31.0621455445686,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","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":-15.292062590708532,"eotMinutes":-14.37765250936663,"ayanamsa":25.0698}},"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 Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · 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":"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 7, 2087 CE · Ṛṣikeśa · Vidhyamitra","description":"February 7, 2087 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 07:04, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2087-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2087-02-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/2087-02-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/2087-02-07","x-default":"https://vidhyamitra.com/city/rishikesh/2087-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T16:23:47.241Z","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":"2026-05-19T16:23:47.241Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T16:23:47.241Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}