{"id":"vidhyamitra:city-day:rishikesh:2010-02-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2010-02-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-02-22","date_display":"February 22, 2010 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":2010,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455249.770833,"kali_year":5111,"ahargana":1866784.2708,"sun":{"sidereal_longitude":309.4109,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":43.045,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.6341,"elapsed_within_tithi_degrees":9.6341},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":43.045,"elapsed_within_degrees":3.045},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.4558},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2010,"month":2,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455249.770833,"ahargana":1866784.2708,"kali_year":5111,"ayanamsa_lahiri":23.9947,"grahas":{"sun":{"sidereal_longitude":309.305261,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":39.405561000000034,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":3.2212},"mars":{"sidereal_longitude":97.96386100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":293.4624610000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":314.420261,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":319.0702610000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":159.11606099999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":268.7857,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.7857,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"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":2010,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455249.770833,"kali_year":5111,"ahargana":1866784.2708,"sun":{"sidereal_longitude":309.4109,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":43.045,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.6341,"elapsed_within_tithi_degrees":9.6341},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":43.045,"elapsed_within_degrees":3.045},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.4558},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.221,"elongation":93.634},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.221,"opposition_distance":86.366}},"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":"06:51","sunsetLocal":"18:11","solarNoonLocal":"12:31","dayLengthHours":11.325657154381854,"dayLengthDisplay":"11 Hours 19 Mins 32 Secs","nightLengthDisplay":"12 Hours 40 Mins 28 Secs","moonriseLocal":"11:38","moonsetLocal":"01:25","rahuKala":{"name":"Rāhu Kāla","start":"08:16","end":"09:41","startHours":8.269784566355014,"endHours":9.685491710652746,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:06","end":"12:31","startHours":11.101198854950479,"endHours":12.516905999248209,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:21","startHours":13.932613143545943,"endHours":15.348320287843674,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.496730758079716,"endHours":9.874252663225777,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:20","end":"07:38","startHours":7.32597980348986,"endHours":7.6279973276067095,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:54","startHours":12.13938409410215,"endHours":12.894427904394272,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:06","startHours":5.343989801473035,"endHours":6.099033611765159,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:55","end":"06:51","startHours":5.910272659192128,"endHours":6.854077422057283,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:10","startHours":14.40451552497852,"endHours":15.159559335270643,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.97973457643914,"endHours":18.379734576439137,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:39","startHours":18.179734576439138,"endHours":18.651636957871716,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.929734576439138,"endHours":19.679734576439138,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:54","startHours":24.139384094102148,"endHours":24.89442790439427,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:51","end":"08:16","startHours":6.854077422057283,"endHours":8.269784566355014,"quality":"auspicious"},{"name":"Kāla","start":"08:16","end":"09:41","startHours":8.269784566355014,"endHours":9.685491710652746,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"11:06","startHours":9.685491710652746,"endHours":11.101198854950479,"quality":"auspicious"},{"name":"Roga","start":"11:06","end":"12:31","startHours":11.101198854950479,"endHours":12.516905999248209,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:56","startHours":12.516905999248209,"endHours":13.932613143545943,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:21","startHours":13.932613143545943,"endHours":15.348320287843674,"quality":"neutral"},{"name":"Labha","start":"15:21","end":"16:46","startHours":15.348320287843674,"endHours":16.764027432141404,"quality":"auspicious"},{"name":"Amṛta","start":"16:46","end":"18:11","startHours":16.764027432141404,"endHours":18.179734576439138,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:11","end":"19:46","startHours":18.179734576439138,"endHours":19.764027432141408,"quality":"neutral"},{"name":"Labha","start":"19:46","end":"21:21","startHours":19.764027432141408,"endHours":21.348320287843674,"quality":"auspicious"},{"name":"Amṛta","start":"21:21","end":"22:56","startHours":21.348320287843674,"endHours":22.932613143545943,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:31","startHours":22.932613143545943,"endHours":24.51690599924821,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:06","startHours":24.51690599924821,"endHours":26.10119885495048,"quality":"auspicious"},{"name":"Roga","start":"02:06","end":"03:41","startHours":26.10119885495048,"endHours":27.685491710652748,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:16","startHours":27.685491710652748,"endHours":29.269784566355014,"quality":"inauspicious"},{"name":"Chala","start":"05:16","end":"06:51","startHours":29.269784566355014,"endHours":30.854077422057284,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.854077422057283,"endHours":7.854077422057283,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.854077422057283,"endHours":8.854077422057284,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.854077422057284,"endHours":9.854077422057284,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.854077422057284,"endHours":10.854077422057284,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.854077422057284,"endHours":11.854077422057284,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.854077422057284,"endHours":12.854077422057284,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.854077422057284,"endHours":13.854077422057284,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.854077422057284,"endHours":14.854077422057284,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.854077422057284,"endHours":15.854077422057284,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.854077422057284,"endHours":16.854077422057284,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.854077422057284,"endHours":17.854077422057284,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.854077422057284,"endHours":18.854077422057284,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.854077422057284,"endHours":19.854077422057284,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.854077422057284,"endHours":20.854077422057284,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.854077422057284,"endHours":21.854077422057284,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.854077422057284,"endHours":22.854077422057284,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.854077422057284,"endHours":23.854077422057284,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.854077422057284,"endHours":24.854077422057284,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.854077422057284,"endHours":25.854077422057284,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.854077422057284,"endHours":26.854077422057284,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.854077422057284,"endHours":27.854077422057284,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.854077422057284,"endHours":28.854077422057284,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.854077422057284,"endHours":29.854077422057284,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.854077422057284,"endHours":30.854077422057284,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","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":-10.294571331014701,"eotMinutes":-14.08475995489261,"ayanamsa":23.9947}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"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 Aṣṭamī · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 22, 2010 CE · Ṛṣikeśa · Vidhyamitra","description":"February 22, 2010 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 06:51, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2010-02-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2010-02-22","sa":"https://sa.vidhyamitra.com/city/rishikesh/2010-02-22","hi":"https://hi.vidhyamitra.com/city/rishikesh/2010-02-22","x-default":"https://vidhyamitra.com/city/rishikesh/2010-02-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:28:28.513Z","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":"2026-05-31T15:28:28.513Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:28:28.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}