{"id":"vidhyamitra:city-day:rishikesh:2018-02-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2018-02-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-02-26","date_display":"February 26, 2018 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":2018,"month":2,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458175.770833,"kali_year":5119,"ahargana":1869710.2708,"sun":{"sidereal_longitude":313.3798,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":81.4215,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.0417,"elapsed_within_tithi_degrees":8.0417},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.4215,"elapsed_within_degrees":1.4215},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.8013},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":2018,"month":2,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458175.770833,"ahargana":1869710.2708,"kali_year":5119,"ayanamsa_lahiri":24.1066,"grahas":{"sun":{"sidereal_longitude":313.27866599999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":79.04396600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-2.4049},"mars":{"sidereal_longitude":234.10506599999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":320.24556600000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":208.71786599999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":324.51866599999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":252.84606600000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":113.7522,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":293.7522,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2018,"month":2,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458175.770833,"kali_year":5119,"ahargana":1869710.2708,"sun":{"sidereal_longitude":313.3798,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":81.4215,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.0417,"elapsed_within_tithi_degrees":8.0417},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.4215,"elapsed_within_degrees":1.4215},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.8013},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.405,"elongation":128.042},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.405,"opposition_distance":51.958}},"eclipse_window_40days":[{"offset_days":-10,"type":"solar","occurs":true,"moon_latitude":-0.855,"elongation":1.98}]},"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":"06:47","sunsetLocal":"18:14","solarNoonLocal":"12:30","dayLengthHours":11.444404638701526,"dayLengthDisplay":"11 Hours 26 Mins 40 Secs","nightLengthDisplay":"12 Hours 33 Mins 20 Secs","moonriseLocal":"13:54","moonsetLocal":"03:53","rahuKala":{"name":"Rāhu Kāla","start":"08:13","end":"09:39","startHours":8.2163881292119,"endHours":9.646938709049591,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:30","startHours":11.077489288887282,"endHours":12.508039868724971,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:22","startHours":13.938590448562664,"endHours":15.369141028400353,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:50","startHours":9.456198631737898,"endHours":9.837678786361282,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:34","startHours":7.26268774265344,"endHours":7.567871866352148,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:53","startHours":12.126559714101587,"endHours":12.889520023348355,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:01","startHours":5.259916930880673,"endHours":6.022877240127441,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:47","startHours":5.832137162815749,"endHours":6.785837549374209,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.415440641841894,"endHours":15.178400951088662,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.030242188075736,"endHours":18.430242188075734,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:42","startHours":18.230242188075735,"endHours":18.707092381354965,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.980242188075735,"endHours":19.730242188075735,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:53","startHours":24.126559714101585,"endHours":24.889520023348357,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:47","end":"08:13","startHours":6.785837549374209,"endHours":8.2163881292119,"quality":"auspicious"},{"name":"Kāla","start":"08:13","end":"09:39","startHours":8.2163881292119,"endHours":9.646938709049591,"quality":"inauspicious"},{"name":"Śubha","start":"09:39","end":"11:05","startHours":9.646938709049591,"endHours":11.077489288887282,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:30","startHours":11.077489288887282,"endHours":12.508039868724971,"quality":"inauspicious"},{"name":"Udveg","start":"12:30","end":"13:56","startHours":12.508039868724971,"endHours":13.938590448562664,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:22","startHours":13.938590448562664,"endHours":15.369141028400353,"quality":"neutral"},{"name":"Labha","start":"15:22","end":"16:48","startHours":15.369141028400353,"endHours":16.799691608238042,"quality":"auspicious"},{"name":"Amṛta","start":"16:48","end":"18:14","startHours":16.799691608238042,"endHours":18.230242188075735,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:14","end":"19:48","startHours":18.230242188075735,"endHours":19.799691608238046,"quality":"neutral"},{"name":"Labha","start":"19:48","end":"21:22","startHours":19.799691608238046,"endHours":21.369141028400353,"quality":"auspicious"},{"name":"Amṛta","start":"21:22","end":"22:56","startHours":21.369141028400353,"endHours":22.938590448562664,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:30","startHours":22.938590448562664,"endHours":24.50803986872497,"quality":"inauspicious"},{"name":"Śubha","start":"00:30","end":"02:05","startHours":24.50803986872497,"endHours":26.077489288887282,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:39","startHours":26.077489288887282,"endHours":27.646938709049593,"quality":"inauspicious"},{"name":"Udveg","start":"03:39","end":"05:13","startHours":27.646938709049593,"endHours":29.2163881292119,"quality":"inauspicious"},{"name":"Chala","start":"05:13","end":"06:47","startHours":29.2163881292119,"endHours":30.785837549374207,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.785837549374209,"endHours":7.785837549374209,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.785837549374209,"endHours":8.78583754937421,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.78583754937421,"endHours":9.78583754937421,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.78583754937421,"endHours":10.78583754937421,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.78583754937421,"endHours":11.78583754937421,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.78583754937421,"endHours":12.78583754937421,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.78583754937421,"endHours":13.78583754937421,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.78583754937421,"endHours":14.78583754937421,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.78583754937421,"endHours":15.78583754937421,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.78583754937421,"endHours":16.785837549374207,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.785837549374207,"endHours":17.785837549374207,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.785837549374207,"endHours":18.785837549374207,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.785837549374207,"endHours":19.785837549374207,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.785837549374207,"endHours":20.785837549374207,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.785837549374207,"endHours":21.785837549374207,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.785837549374207,"endHours":22.785837549374207,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.785837549374207,"endHours":23.785837549374207,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.785837549374207,"endHours":24.785837549374207,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.785837549374207,"endHours":25.785837549374207,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.785837549374207,"endHours":26.785837549374207,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.785837549374207,"endHours":27.785837549374207,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.785837549374207,"endHours":28.785837549374207,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.785837549374207,"endHours":29.785837549374207,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.785837549374207,"endHours":30.785837549374207,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-8.797408886782856,"eotMinutes":-13.55279212349825,"ayanamsa":24.1066}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Ekādaśī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"amalaki-ekadashi","name":"Āmalakī Ekādaśī","name_sanskrit":"आमलकी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (in Āmalakī tree)","significance":"Worship of Āmalakī (Indian gooseberry, sacred to Viṣṇu).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":4},{"id":"rangbhari-ekadashi","name":"Raṅgbhari Ekādaśī","name_sanskrit":"रङ्गभरी एकादशी","tradition":"Shaiva","associated_deity":"Śiva-Pārvatī","significance":"Kāśī tradition: Śiva brings Pārvatī home; rang-utsava begins.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"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},{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 26, 2018 CE · Ṛṣikeśa · Vidhyamitra","description":"February 26, 2018 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 06:47, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2018-02-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2018-02-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2018-02-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2018-02-26","x-default":"https://vidhyamitra.com/city/rishikesh/2018-02-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:54:49.682Z","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":"2026-05-15T06:54:49.682Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:54:49.682Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}