{"id":"vidhyamitra:city-day:rishikesh:2164-02-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2164-02-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-02-26","date_display":"February 26, 2164 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":2164,"month":2,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511500.770833,"kali_year":5265,"ahargana":1923035.2708,"sun":{"sidereal_longitude":310.5748,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":356.0563,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.4815,"elapsed_within_tithi_degrees":9.4815},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.0563,"elapsed_within_degrees":9.3896},"yoga":{"number":23,"name":"Śubha","sum_longitude":306.6311},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2164,"month":2,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511500.770833,"ahargana":1923035.2708,"kali_year":5265,"ayanamsa_lahiri":26.1461,"grahas":{"sun":{"sidereal_longitude":310.82255899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":356.502959,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-0.6038},"mars":{"sidereal_longitude":38.70315900000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":326.129359,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":307.224159,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":354.562959,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":237.89965899999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":168.3371,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":348.3371,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2164,"month":2,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511500.770833,"kali_year":5265,"ahargana":1923035.2708,"sun":{"sidereal_longitude":310.5748,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":356.0563,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.4815,"elapsed_within_tithi_degrees":9.4815},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.0563,"elapsed_within_degrees":9.3896},"yoga":{"number":23,"name":"Śubha","sum_longitude":306.6311},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.604,"elongation":45.482},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.604,"opposition_distance":134.518}},"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":"06:48","sunsetLocal":"18:13","solarNoonLocal":"12:30","dayLengthHours":11.432194297220123,"dayLengthDisplay":"11 Hours 25 Mins 56 Secs","nightLengthDisplay":"12 Hours 34 Mins 04 Secs","moonriseLocal":"09:10","moonsetLocal":"21:57","rahuKala":{"name":"Rāhu Kāla","start":"16:48","end":"18:13","startHours":16.795112730182517,"endHours":18.224137017335032,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:30","end":"13:56","startHours":12.508039868724971,"endHours":13.937064155877486,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:22","end":"16:48","startHours":15.366088443030002,"endHours":16.795112730182517,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:50","startHours":9.459454722799604,"endHours":9.840527866040276,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:34","startHours":7.268284149165747,"endHours":7.573142663758284,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:53","startHours":12.1269667254843,"endHours":12.889113011965643,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:02","startHours":5.267650147152226,"endHours":6.029796433633567,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:48","startHours":5.839259862013232,"endHours":6.791942720114909,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.413405584928324,"endHours":15.175551871409665,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.024137017335033,"endHours":18.42413701733503,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:42","startHours":18.224137017335032,"endHours":18.70047844638587,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.974137017335032,"endHours":19.724137017335032,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:53","startHours":24.1269667254843,"endHours":24.88911301196564,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:48","end":"08:13","startHours":6.791942720114909,"endHours":8.220967007267424,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:39","startHours":8.220967007267424,"endHours":9.649991294419939,"quality":"neutral"},{"name":"Labha","start":"09:39","end":"11:05","startHours":9.649991294419939,"endHours":11.079015581572456,"quality":"auspicious"},{"name":"Amṛta","start":"11:05","end":"12:30","startHours":11.079015581572456,"endHours":12.508039868724971,"quality":"auspicious"},{"name":"Kāla","start":"12:30","end":"13:56","startHours":12.508039868724971,"endHours":13.937064155877486,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:22","startHours":13.937064155877486,"endHours":15.366088443030002,"quality":"auspicious"},{"name":"Roga","start":"15:22","end":"16:48","startHours":15.366088443030002,"endHours":16.795112730182517,"quality":"inauspicious"},{"name":"Udveg","start":"16:48","end":"18:13","startHours":16.795112730182517,"endHours":18.224137017335032,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:13","end":"19:48","startHours":18.224137017335032,"endHours":19.795112730182517,"quality":"auspicious"},{"name":"Roga","start":"19:48","end":"21:22","startHours":19.795112730182517,"endHours":21.36608844303,"quality":"inauspicious"},{"name":"Udveg","start":"21:22","end":"22:56","startHours":21.36608844303,"endHours":22.937064155877486,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:30","startHours":22.937064155877486,"endHours":24.50803986872497,"quality":"neutral"},{"name":"Labha","start":"00:30","end":"02:05","startHours":24.50803986872497,"endHours":26.079015581572456,"quality":"auspicious"},{"name":"Amṛta","start":"02:05","end":"03:39","startHours":26.079015581572456,"endHours":27.64999129441994,"quality":"auspicious"},{"name":"Kāla","start":"03:39","end":"05:13","startHours":27.64999129441994,"endHours":29.220967007267426,"quality":"inauspicious"},{"name":"Śubha","start":"05:13","end":"06:48","startHours":29.220967007267426,"endHours":30.79194272011491,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.791942720114909,"endHours":7.791942720114909,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.791942720114909,"endHours":8.791942720114909,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.791942720114909,"endHours":9.791942720114909,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.791942720114909,"endHours":10.791942720114909,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.791942720114909,"endHours":11.791942720114909,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.791942720114909,"endHours":12.791942720114909,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.791942720114909,"endHours":13.791942720114909,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.791942720114909,"endHours":14.791942720114909,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.791942720114909,"endHours":15.791942720114909,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.791942720114909,"endHours":16.79194272011491,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.79194272011491,"endHours":17.79194272011491,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.79194272011491,"endHours":18.79194272011491,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.79194272011491,"endHours":19.79194272011491,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.79194272011491,"endHours":20.79194272011491,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.79194272011491,"endHours":21.79194272011491,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.79194272011491,"endHours":22.79194272011491,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.79194272011491,"endHours":23.79194272011491,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.79194272011491,"endHours":24.79194272011491,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.79194272011491,"endHours":25.79194272011491,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.79194272011491,"endHours":26.79194272011491,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.79194272011491,"endHours":27.79194272011491,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.79194272011491,"endHours":28.79194272011491,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.79194272011491,"endHours":29.79194272011491,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.79194272011491,"endHours":30.79194272011491,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.951984327154936,"eotMinutes":-13.55279212349825,"ayanamsa":26.1461}},"calendars":{"vikram_samvat":2221,"vikram_samvatsara":"Īśvara","saka_samvat":2086,"saka_samvatsara":"Raktākṣī","bengali_samvat":1571,"malayalam_era":1340,"nanakshahi_year":695,"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 2221 Īśvara · Śaka 2086 Raktākṣī"},"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 26, 2164 CE · Ṛṣikeśa · Vidhyamitra","description":"February 26, 2164 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:48, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2164-02-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2164-02-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2164-02-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2164-02-26","x-default":"https://vidhyamitra.com/city/rishikesh/2164-02-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:19:53.693Z","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":"2026-05-30T23:19:53.693Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:19:53.693Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}