{"id":"vidhyamitra:city-day:rishikesh:2086-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2086-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2086-02-17","date_display":"February 17, 2086 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":2086,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483003.770833,"kali_year":5187,"ahargana":1894538.2708,"sun":{"sidereal_longitude":303.673,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":344.4244,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.7514,"elapsed_within_tithi_degrees":4.7514},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.4244,"elapsed_within_degrees":11.091},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.0974},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2086,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483003.770833,"ahargana":1894538.2708,"kali_year":5187,"ayanamsa_lahiri":25.0562,"grahas":{"sun":{"sidereal_longitude":303.76835400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":347.699154,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":4.3214},"mars":{"sidereal_longitude":268.59165400000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":311.915254,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":105.10085400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":256.36015399999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":348.313654,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":238.2453,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.2453,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"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":2086,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483003.770833,"kali_year":5187,"ahargana":1894538.2708,"sun":{"sidereal_longitude":303.673,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":344.4244,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.7514,"elapsed_within_tithi_degrees":4.7514},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.4244,"elapsed_within_degrees":11.091},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.0974},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.321,"elongation":40.751},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.321,"opposition_distance":139.249}},"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":"06:55","sunsetLocal":"18:07","solarNoonLocal":"12:31","dayLengthHours":11.198455448023601,"dayLengthDisplay":"11 Hours 11 Mins 54 Secs","nightLengthDisplay":"12 Hours 48 Mins 06 Secs","moonriseLocal":"09:13","moonsetLocal":"21:42","rahuKala":{"name":"Rāhu Kāla","start":"16:43","end":"18:07","startHours":16.723123598864454,"endHours":18.122930529867403,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"13:55","startHours":12.523702805855603,"endHours":13.923509736858552,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:43","startHours":15.323316667861501,"endHours":16.723123598864454,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:55","startHours":9.537448019715974,"endHours":9.910729867983427,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:41","startHours":7.391077392178118,"endHours":7.689702870792081,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.15042095758815,"endHours":12.896984654123056,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:11","startHours":5.431347688773988,"endHours":6.177911385308894,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:55","startHours":5.9912704611751675,"endHours":6.924475081843801,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.390112047192869,"endHours":15.136675743727775,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.922930529867404,"endHours":18.322930529867403,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:35","startHours":18.122930529867403,"endHours":18.58953284020172,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.872930529867403,"endHours":19.622930529867403,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.15042095758815,"endHours":24.896984654123056,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:55","end":"08:19","startHours":6.924475081843801,"endHours":8.324282012846751,"quality":"inauspicious"},{"name":"Chala","start":"08:19","end":"09:43","startHours":8.324282012846751,"endHours":9.7240889438497,"quality":"neutral"},{"name":"Labha","start":"09:43","end":"11:07","startHours":9.7240889438497,"endHours":11.123895874852652,"quality":"auspicious"},{"name":"Amṛta","start":"11:07","end":"12:31","startHours":11.123895874852652,"endHours":12.523702805855603,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"13:55","startHours":12.523702805855603,"endHours":13.923509736858552,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:19","startHours":13.923509736858552,"endHours":15.323316667861501,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:43","startHours":15.323316667861501,"endHours":16.723123598864454,"quality":"inauspicious"},{"name":"Udveg","start":"16:43","end":"18:07","startHours":16.723123598864454,"endHours":18.122930529867403,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:07","end":"19:43","startHours":18.122930529867403,"endHours":19.723123598864454,"quality":"auspicious"},{"name":"Roga","start":"19:43","end":"21:19","startHours":19.723123598864454,"endHours":21.323316667861505,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:55","startHours":21.323316667861505,"endHours":22.923509736858552,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:31","startHours":22.923509736858552,"endHours":24.523702805855603,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"02:07","startHours":24.523702805855603,"endHours":26.123895874852654,"quality":"auspicious"},{"name":"Amṛta","start":"02:07","end":"03:43","startHours":26.123895874852654,"endHours":27.7240889438497,"quality":"auspicious"},{"name":"Kāla","start":"03:43","end":"05:19","startHours":27.7240889438497,"endHours":29.32428201284675,"quality":"inauspicious"},{"name":"Śubha","start":"05:19","end":"06:55","startHours":29.32428201284675,"endHours":30.924475081843802,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.924475081843801,"endHours":7.924475081843801,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.924475081843801,"endHours":8.924475081843802,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.924475081843802,"endHours":9.924475081843802,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.924475081843802,"endHours":10.924475081843802,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.924475081843802,"endHours":11.924475081843802,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.924475081843802,"endHours":12.924475081843802,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.924475081843802,"endHours":13.924475081843802,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.924475081843802,"endHours":14.924475081843802,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.924475081843802,"endHours":15.924475081843802,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.924475081843802,"endHours":16.924475081843802,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.924475081843802,"endHours":17.924475081843802,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.924475081843802,"endHours":18.924475081843802,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.924475081843802,"endHours":19.924475081843802,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.924475081843802,"endHours":20.924475081843802,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.924475081843802,"endHours":21.924475081843802,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.924475081843802,"endHours":22.924475081843802,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.924475081843802,"endHours":23.924475081843802,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.924475081843802,"endHours":24.924475081843802,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.924475081843802,"endHours":25.924475081843802,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.924475081843802,"endHours":26.924475081843802,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.924475081843802,"endHours":27.924475081843802,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.924475081843802,"endHours":28.924475081843802,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.924475081843802,"endHours":29.924475081843802,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.924475081843802,"endHours":30.924475081843802,"planetary_lord":"Jupiter"}],"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":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.881623885156472,"eotMinutes":-14.492568351336082,"ayanamsa":25.0562}},"calendars":{"vikram_samvat":2143,"vikram_samvatsara":"Siddhārthī","saka_samvat":2008,"saka_samvatsara":"Parābhava","bengali_samvat":1493,"malayalam_era":1262,"nanakshahi_year":617,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturthī · Vikram 2143 Siddhārthī · Śaka 2008 Parābhava"},"festivals":[{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 17, 2086 CE · Ṛṣikeśa · Vidhyamitra","description":"February 17, 2086 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:55, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2086-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2086-02-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2086-02-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2086-02-17","x-default":"https://vidhyamitra.com/city/rishikesh/2086-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:23:28.209Z","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":"2026-05-31T11:23:28.209Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:23:28.209Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}