{"id":"vidhyamitra:city-day:rishikesh:2151-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2151-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2151-02-08","date_display":"February 8, 2151 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":2151,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506734.770833,"kali_year":5252,"ahargana":1918269.2708,"sun":{"sidereal_longitude":292.6674,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":195.7258,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.0584,"elapsed_within_tithi_degrees":11.0584},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.7258,"elapsed_within_degrees":9.0592},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.3933},"karana":{"half_tithi_index":43,"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":2151,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2506734.770833,"ahargana":1918269.2708,"kali_year":5252,"ayanamsa_lahiri":25.9638,"grahas":{"sun":{"sidereal_longitude":292.973255,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":198.85925500000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":3.1879},"mars":{"sidereal_longitude":77.679055,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":302.953655,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":272.481455,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":325.41195500000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":68.26385499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":60.8627,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":240.8627,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2151,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506734.770833,"kali_year":5252,"ahargana":1918269.2708,"sun":{"sidereal_longitude":292.6674,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":195.7258,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.0584,"elapsed_within_tithi_degrees":11.0584},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.7258,"elapsed_within_degrees":9.0592},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.3933},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.188,"elongation":96.942},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.188,"opposition_distance":83.058}},"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":"07:03","sunsetLocal":"17:59","solarNoonLocal":"12:31","dayLengthHours":10.931499057295648,"dayLengthDisplay":"10 Hours 55 Mins 53 Secs","nightLengthDisplay":"13 Hours 04 Mins 07 Secs","moonriseLocal":"00:51","moonsetLocal":"11:39","rahuKala":{"name":"Rāhu Kāla","start":"08:25","end":"09:47","startHours":8.4236307548585,"endHours":9.790068137020455,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:09","end":"12:31","startHours":11.156505519182412,"endHours":12.522942901344368,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:53","end":"15:15","startHours":13.889380283506323,"endHours":15.25581766566828,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:58","startHours":9.607876486065528,"endHours":9.972259787975382,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:48","startHours":7.512672500083863,"endHours":7.804179141611747,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.158559599434511,"endHours":12.887326203254222,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:20","startHours":5.599660165057124,"endHours":6.328426768876834,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:03","startHours":6.146235117921906,"endHours":7.057193372696544,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:04","startHours":14.344859410893642,"endHours":15.073626014713351,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.788692429992192,"endHours":18.18869242999219,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:27","startHours":17.98869242999219,"endHours":18.44417155737951,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.73869242999219,"endHours":19.48869242999219,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.15855959943451,"endHours":24.88732620325422,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:03","end":"08:25","startHours":7.057193372696544,"endHours":8.4236307548585,"quality":"auspicious"},{"name":"Kāla","start":"08:25","end":"09:47","startHours":8.4236307548585,"endHours":9.790068137020455,"quality":"inauspicious"},{"name":"Śubha","start":"09:47","end":"11:09","startHours":9.790068137020455,"endHours":11.156505519182412,"quality":"auspicious"},{"name":"Roga","start":"11:09","end":"12:31","startHours":11.156505519182412,"endHours":12.522942901344368,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:53","startHours":12.522942901344368,"endHours":13.889380283506323,"quality":"inauspicious"},{"name":"Chala","start":"13:53","end":"15:15","startHours":13.889380283506323,"endHours":15.25581766566828,"quality":"neutral"},{"name":"Labha","start":"15:15","end":"16:37","startHours":15.25581766566828,"endHours":16.622255047830237,"quality":"auspicious"},{"name":"Amṛta","start":"16:37","end":"17:59","startHours":16.622255047830237,"endHours":17.98869242999219,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:59","end":"19:37","startHours":17.98869242999219,"endHours":19.622255047830237,"quality":"neutral"},{"name":"Labha","start":"19:37","end":"21:15","startHours":19.622255047830237,"endHours":21.25581766566828,"quality":"auspicious"},{"name":"Amṛta","start":"21:15","end":"22:53","startHours":21.25581766566828,"endHours":22.889380283506323,"quality":"auspicious"},{"name":"Kāla","start":"22:53","end":"00:31","startHours":22.889380283506323,"endHours":24.52294290134437,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:09","startHours":24.52294290134437,"endHours":26.15650551918241,"quality":"auspicious"},{"name":"Roga","start":"02:09","end":"03:47","startHours":26.15650551918241,"endHours":27.790068137020455,"quality":"inauspicious"},{"name":"Udveg","start":"03:47","end":"05:25","startHours":27.790068137020455,"endHours":29.4236307548585,"quality":"inauspicious"},{"name":"Chala","start":"05:25","end":"07:03","startHours":29.4236307548585,"endHours":31.057193372696545,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.057193372696544,"endHours":8.057193372696544,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.057193372696544,"endHours":9.057193372696544,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.057193372696544,"endHours":10.057193372696544,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.057193372696544,"endHours":11.057193372696544,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.057193372696544,"endHours":12.057193372696544,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.057193372696544,"endHours":13.057193372696544,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.057193372696544,"endHours":14.057193372696544,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.057193372696544,"endHours":15.057193372696544,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.057193372696544,"endHours":16.057193372696545,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.057193372696545,"endHours":17.057193372696545,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.057193372696545,"endHours":18.057193372696545,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.057193372696545,"endHours":19.057193372696545,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.057193372696545,"endHours":20.057193372696545,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.057193372696545,"endHours":21.057193372696545,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.057193372696545,"endHours":22.057193372696545,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.057193372696545,"endHours":23.057193372696545,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.057193372696545,"endHours":24.057193372696545,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.057193372696545,"endHours":25.057193372696545,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.057193372696545,"endHours":26.057193372696545,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.057193372696545,"endHours":27.057193372696545,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.057193372696545,"endHours":28.057193372696545,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.057193372696545,"endHours":29.057193372696545,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.057193372696545,"endHours":30.057193372696545,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.057193372696545,"endHours":31.057193372696545,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.145170643506935,"eotMinutes":-14.446974080661976,"ayanamsa":25.9638}},"calendars":{"vikram_samvat":2208,"vikram_samvatsara":"Raktākṣī","saka_samvat":2073,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1558,"malayalam_era":1327,"nanakshahi_year":682,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Saptamī · Vikram 2208 Raktākṣī · Śaka 2073 Virodhakṛt"},"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":[]},"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 8, 2151 CE · Ṛṣikeśa · Vidhyamitra","description":"February 8, 2151 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 07:03, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2151-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2151-02-08","sa":"https://sa.vidhyamitra.com/city/rishikesh/2151-02-08","hi":"https://hi.vidhyamitra.com/city/rishikesh/2151-02-08","x-default":"https://vidhyamitra.com/city/rishikesh/2151-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:58:36.957Z","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":"2026-05-31T22:58:36.957Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:58:36.957Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}