{"id":"vidhyamitra:city-day:rishikesh:2151-08-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2151-08-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2151-08-19","date_display":"August 19, 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":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506926.770833,"kali_year":5253,"ahargana":1918461.2708,"sun":{"sidereal_longitude":118.9373,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":205.3835,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.4462,"elapsed_within_tithi_degrees":2.4462},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.3835,"elapsed_within_degrees":5.3835},"yoga":{"number":25,"name":"Brahma","sum_longitude":324.3209},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":8,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2506926.770833,"ahargana":1918461.2708,"kali_year":5253,"ayanamsa_lahiri":25.9711,"grahas":{"sun":{"sidereal_longitude":119.92521999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":208.99332000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":1.9219},"mars":{"sidereal_longitude":158.24131999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":107.96842000000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":282.24762,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"venus":{"sidereal_longitude":76.10021999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":83.53472,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":50.6896,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":230.6896,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"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":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506926.770833,"kali_year":5253,"ahargana":1918461.2708,"sun":{"sidereal_longitude":118.9373,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":205.3835,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.4462,"elapsed_within_tithi_degrees":2.4462},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.3835,"elapsed_within_degrees":5.3835},"yoga":{"number":25,"name":"Brahma","sum_longitude":324.3209},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.922,"elongation":86.446},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.922,"opposition_distance":93.554}},"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":"05:46","sunsetLocal":"18:55","solarNoonLocal":"12:20","dayLengthHours":13.148536274960065,"dayLengthDisplay":"13 Hours 08 Mins 55 Secs","nightLengthDisplay":"10 Hours 51 Mins 05 Secs","moonriseLocal":"13:00","moonsetLocal":"23:33","rahuKala":{"name":"Rāhu Kāla","start":"13:59","end":"15:37","startHours":13.9806181778088,"endHours":15.624185212178809,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:46","end":"07:24","startHours":5.76278300595876,"endHours":7.4063500403287685,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:03","end":"10:42","startHours":9.049917074698776,"endHours":10.693484109068784,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.830774803449442,"endHours":9.269059345948111,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:40","startHours":6.310638684082097,"endHours":6.661266318081032,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:47","startHours":11.898766600940123,"endHours":12.775335685937462,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:01","end":"04:53","startHours":4.009644835964085,"endHours":4.886213920961422,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:46","startHours":4.6670716497120885,"endHours":5.76278300595876,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:24","startHours":14.528473855932138,"endHours":15.405042940929475,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.711319280918826,"endHours":19.111319280918824,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.911319280918825,"endHours":19.459174959042162,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.661319280918825,"endHours":20.411319280918825,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:47","startHours":23.898766600940125,"endHours":24.77533568593746,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:46","end":"07:24","startHours":5.76278300595876,"endHours":7.4063500403287685,"quality":"auspicious"},{"name":"Roga","start":"07:24","end":"09:03","startHours":7.4063500403287685,"endHours":9.049917074698776,"quality":"inauspicious"},{"name":"Udveg","start":"09:03","end":"10:42","startHours":9.049917074698776,"endHours":10.693484109068784,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:20","startHours":10.693484109068784,"endHours":12.337051143438792,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:59","startHours":12.337051143438792,"endHours":13.9806181778088,"quality":"auspicious"},{"name":"Amṛta","start":"13:59","end":"15:37","startHours":13.9806181778088,"endHours":15.624185212178809,"quality":"auspicious"},{"name":"Kāla","start":"15:37","end":"17:16","startHours":15.624185212178809,"endHours":17.267752246548817,"quality":"inauspicious"},{"name":"Śubha","start":"17:16","end":"18:55","startHours":17.267752246548817,"endHours":18.911319280918825,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:55","end":"20:16","startHours":18.911319280918825,"endHours":20.267752246548817,"quality":"auspicious"},{"name":"Kāla","start":"20:16","end":"21:37","startHours":20.267752246548817,"endHours":21.62418521217881,"quality":"inauspicious"},{"name":"Śubha","start":"21:37","end":"22:59","startHours":21.62418521217881,"endHours":22.9806181778088,"quality":"auspicious"},{"name":"Roga","start":"22:59","end":"00:20","startHours":22.9806181778088,"endHours":24.337051143438792,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"01:42","startHours":24.337051143438792,"endHours":25.693484109068784,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:03","startHours":25.693484109068784,"endHours":27.049917074698776,"quality":"neutral"},{"name":"Labha","start":"03:03","end":"04:24","startHours":27.049917074698776,"endHours":28.406350040328768,"quality":"auspicious"},{"name":"Amṛta","start":"04:24","end":"05:46","startHours":28.406350040328768,"endHours":29.76278300595876,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.76278300595876,"endHours":6.76278300595876,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.76278300595876,"endHours":7.76278300595876,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.76278300595876,"endHours":8.76278300595876,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.76278300595876,"endHours":9.76278300595876,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.76278300595876,"endHours":10.76278300595876,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.76278300595876,"endHours":11.76278300595876,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.76278300595876,"endHours":12.76278300595876,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.76278300595876,"endHours":13.76278300595876,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.76278300595876,"endHours":14.76278300595876,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.76278300595876,"endHours":15.76278300595876,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.76278300595876,"endHours":16.76278300595876,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.76278300595876,"endHours":17.76278300595876,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.76278300595876,"endHours":18.76278300595876,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.76278300595876,"endHours":19.76278300595876,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.76278300595876,"endHours":20.76278300595876,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.76278300595876,"endHours":21.76278300595876,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.76278300595876,"endHours":22.76278300595876,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.76278300595876,"endHours":23.76278300595876,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.76278300595876,"endHours":24.76278300595876,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.76278300595876,"endHours":25.76278300595876,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.76278300595876,"endHours":26.76278300595876,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.76278300595876,"endHours":27.76278300595876,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.76278300595876,"endHours":28.76278300595876,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.76278300595876,"endHours":29.76278300595876,"planetary_lord":"Moon"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.88562087857386,"eotMinutes":-3.2934686063275223,"ayanamsa":25.9711}},"calendars":{"vikram_samvat":2208,"vikram_samvatsara":"Raktākṣī","saka_samvat":2073,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1558,"malayalam_era":1327,"nanakshahi_year":682,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Aṣṭamī · Vikram 2208 Raktākṣī · Śaka 2073 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"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},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 August 19, 2151 CE · Ṛṣikeśa · Vidhyamitra","description":"August 19, 2151 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 05:46, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2151-08-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2151-08-19","sa":"https://sa.vidhyamitra.com/city/rishikesh/2151-08-19","hi":"https://hi.vidhyamitra.com/city/rishikesh/2151-08-19","x-default":"https://vidhyamitra.com/city/rishikesh/2151-08-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:41:31.116Z","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":"2026-05-31T15:41:31.116Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:41:31.116Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}