{"id":"vidhyamitra:city-day:rishikesh:2183-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2183-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2183-02-07","date_display":"February 7, 2183 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":2183,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518421.770833,"kali_year":5284,"ahargana":1929956.2708,"sun":{"sidereal_longitude":291.3614,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":106.2697,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.9083,"elapsed_within_tithi_degrees":6.9083},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.2697,"elapsed_within_degrees":12.9364},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.6311},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2183,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2518421.770833,"ahargana":1929956.2708,"kali_year":5284,"ayanamsa_lahiri":26.4108,"grahas":{"sun":{"sidereal_longitude":291.75052600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":105.79992599999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-3.7011},"mars":{"sidereal_longitude":87.33952599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":288.329526,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":174.91312600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":325.62552600000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":106.506326,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":161.6292,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.6292,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2183,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518421.770833,"kali_year":5284,"ahargana":1929956.2708,"sun":{"sidereal_longitude":291.3614,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":106.2697,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.9083,"elapsed_within_tithi_degrees":6.9083},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.2697,"elapsed_within_degrees":12.9364},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.6311},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.701,"elongation":174.908},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.701,"opposition_distance":5.092}},"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":"07:04","sunsetLocal":"17:59","solarNoonLocal":"12:31","dayLengthHours":10.911555873602305,"dayLengthDisplay":"10 Hours 54 Mins 42 Secs","nightLengthDisplay":"13 Hours 05 Mins 18 Secs","moonriseLocal":"17:23","moonsetLocal":"06:52","rahuKala":{"name":"Rāhu Kāla","start":"11:09","end":"12:31","startHours":11.15784305762249,"endHours":12.521787541822778,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:15","end":"16:37","startHours":15.249676510223354,"endHours":16.61362099442364,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:26","end":"09:48","startHours":8.429954089221914,"endHours":9.7938985734222,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:59","startHours":9.612039308862162,"endHours":9.97575783798224,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:49","startHours":7.520657766421721,"endHours":7.8116325897177825,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.158069012702702,"endHours":12.885506070942855,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:20","startHours":5.611135488541318,"endHours":6.338572546781471,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:04","startHours":6.156713282221433,"endHours":7.066009605021625,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:04","startHours":14.340380187423161,"endHours":15.067817245663315,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.77756547862393,"endHours":18.17756547862393,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:26","startHours":17.97756547862393,"endHours":18.432213640024028,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.72756547862393,"endHours":19.47756547862393,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.1580690127027,"endHours":24.885506070942856,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:04","end":"08:26","startHours":7.066009605021625,"endHours":8.429954089221914,"quality":"neutral"},{"name":"Labha","start":"08:26","end":"09:48","startHours":8.429954089221914,"endHours":9.7938985734222,"quality":"auspicious"},{"name":"Amṛta","start":"09:48","end":"11:09","startHours":9.7938985734222,"endHours":11.15784305762249,"quality":"auspicious"},{"name":"Kāla","start":"11:09","end":"12:31","startHours":11.15784305762249,"endHours":12.521787541822778,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:53","startHours":12.521787541822778,"endHours":13.885732026023065,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:15","startHours":13.885732026023065,"endHours":15.249676510223354,"quality":"inauspicious"},{"name":"Udveg","start":"15:15","end":"16:37","startHours":15.249676510223354,"endHours":16.61362099442364,"quality":"inauspicious"},{"name":"Chala","start":"16:37","end":"17:59","startHours":16.61362099442364,"endHours":17.97756547862393,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:59","end":"19:37","startHours":17.97756547862393,"endHours":19.61362099442364,"quality":"inauspicious"},{"name":"Udveg","start":"19:37","end":"21:15","startHours":19.61362099442364,"endHours":21.249676510223352,"quality":"inauspicious"},{"name":"Chala","start":"21:15","end":"22:53","startHours":21.249676510223352,"endHours":22.885732026023064,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:31","startHours":22.885732026023064,"endHours":24.52178754182278,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:09","startHours":24.52178754182278,"endHours":26.15784305762249,"quality":"auspicious"},{"name":"Kāla","start":"02:09","end":"03:48","startHours":26.15784305762249,"endHours":27.7938985734222,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:26","startHours":27.7938985734222,"endHours":29.429954089221916,"quality":"auspicious"},{"name":"Roga","start":"05:26","end":"07:04","startHours":29.429954089221916,"endHours":31.066009605021627,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.066009605021625,"endHours":8.066009605021625,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.066009605021625,"endHours":9.066009605021625,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.066009605021625,"endHours":10.066009605021625,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.066009605021625,"endHours":11.066009605021625,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.066009605021625,"endHours":12.066009605021625,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.066009605021625,"endHours":13.066009605021625,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.066009605021625,"endHours":14.066009605021625,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.066009605021625,"endHours":15.066009605021625,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.066009605021625,"endHours":16.066009605021627,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.066009605021627,"endHours":17.066009605021627,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.066009605021627,"endHours":18.066009605021627,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.066009605021627,"endHours":19.066009605021627,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.066009605021627,"endHours":20.066009605021627,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.066009605021627,"endHours":21.066009605021627,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.066009605021627,"endHours":22.066009605021627,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.066009605021627,"endHours":23.066009605021627,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.066009605021627,"endHours":24.066009605021627,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.066009605021627,"endHours":25.066009605021627,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.066009605021627,"endHours":26.066009605021627,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.066009605021627,"endHours":27.066009605021627,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.066009605021627,"endHours":28.066009605021627,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.066009605021627,"endHours":29.066009605021627,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.066009605021627,"endHours":30.066009605021627,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.066009605021627,"endHours":31.066009605021627,"planetary_lord":"Mars"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","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":-15.384879055516285,"eotMinutes":-14.37765250936663,"ayanamsa":26.4108}},"calendars":{"vikram_samvat":2240,"vikram_samvatsara":"Durmukhi","saka_samvat":2105,"saka_samvatsara":"Subhānu","bengali_samvat":1590,"malayalam_era":1359,"nanakshahi_year":714,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Pūrṇimā · Vikram 2240 Durmukhi · Śaka 2105 Subhānu"},"festivals":[{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 7, 2183 CE · Ṛṣikeśa · Vidhyamitra","description":"February 7, 2183 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 07:04, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2183-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2183-02-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/2183-02-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/2183-02-07","x-default":"https://vidhyamitra.com/city/rishikesh/2183-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T17:24:29.898Z","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":"2026-05-29T17:24:29.898Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T17:24:29.898Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}