{"id":"vidhyamitra:city-day:rishikesh:1890-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1890-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1890-08-21","date_display":"August 21, 1890 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":1890,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411600.770833,"kali_year":4992,"ahargana":1823135.2708,"sun":{"sidereal_longitude":125.1959,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":188.7613,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":63.5653,"elapsed_within_tithi_degrees":3.5653},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.7613,"elapsed_within_degrees":2.0946},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.9572},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":1890,"month":8,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2411600.770833,"ahargana":1823135.2708,"kali_year":4992,"ayanamsa_lahiri":22.3253,"grahas":{"sun":{"sidereal_longitude":125.58097399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":185.62367399999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":3.5811},"mars":{"sidereal_longitude":230.146574,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":150.82397400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":283.967674,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"venus":{"sidereal_longitude":170.62217399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":134.53907400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":61.5198,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":241.5198,"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":1890,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411600.770833,"kali_year":4992,"ahargana":1823135.2708,"sun":{"sidereal_longitude":125.1959,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":188.7613,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":63.5653,"elapsed_within_tithi_degrees":3.5653},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.7613,"elapsed_within_degrees":2.0946},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.9572},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.581,"elongation":63.565},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.581,"opposition_distance":116.435}},"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":"05:47","sunsetLocal":"18:52","solarNoonLocal":"12:20","dayLengthHours":13.091957909876157,"dayLengthDisplay":"13 Hours 05 Mins 31 Secs","nightLengthDisplay":"10 Hours 54 Mins 29 Secs","moonriseLocal":"10:42","moonsetLocal":"21:57","rahuKala":{"name":"Rāhu Kāla","start":"13:58","end":"15:36","startHours":13.9652862940011,"endHours":15.60178103273562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:47","end":"07:25","startHours":5.782812600328501,"endHours":7.419307339063021,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:03","end":"10:42","startHours":9.05580207779754,"endHours":10.69229681653206,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.837602779299605,"endHours":9.274001376295477,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.328310846573341,"endHours":6.677429724170039,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:46","startHours":11.892392958270708,"endHours":12.765190152262452,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:55","startHours":4.037218212345014,"endHours":4.910015406336758,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:47","startHours":4.691816107838822,"endHours":5.782812600328501,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:23","startHours":14.51078454024594,"endHours":15.383581734237683,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.67477051020466,"endHours":19.074770510204658,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:25","startHours":18.87477051020466,"endHours":19.4202687564495,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.62477051020466,"endHours":20.37477051020466,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:46","startHours":23.892392958270708,"endHours":24.765190152262452,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:47","end":"07:25","startHours":5.782812600328501,"endHours":7.419307339063021,"quality":"auspicious"},{"name":"Roga","start":"07:25","end":"09:03","startHours":7.419307339063021,"endHours":9.05580207779754,"quality":"inauspicious"},{"name":"Udveg","start":"09:03","end":"10:42","startHours":9.05580207779754,"endHours":10.69229681653206,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:20","startHours":10.69229681653206,"endHours":12.32879155526658,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:58","startHours":12.32879155526658,"endHours":13.9652862940011,"quality":"auspicious"},{"name":"Amṛta","start":"13:58","end":"15:36","startHours":13.9652862940011,"endHours":15.60178103273562,"quality":"auspicious"},{"name":"Kāla","start":"15:36","end":"17:14","startHours":15.60178103273562,"endHours":17.23827577147014,"quality":"inauspicious"},{"name":"Śubha","start":"17:14","end":"18:52","startHours":17.23827577147014,"endHours":18.87477051020466,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:52","end":"20:14","startHours":18.87477051020466,"endHours":20.23827577147014,"quality":"auspicious"},{"name":"Kāla","start":"20:14","end":"21:36","startHours":20.23827577147014,"endHours":21.60178103273562,"quality":"inauspicious"},{"name":"Śubha","start":"21:36","end":"22:58","startHours":21.60178103273562,"endHours":22.9652862940011,"quality":"auspicious"},{"name":"Roga","start":"22:58","end":"00:20","startHours":22.9652862940011,"endHours":24.32879155526658,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"01:42","startHours":24.32879155526658,"endHours":25.69229681653206,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:03","startHours":25.69229681653206,"endHours":27.05580207779754,"quality":"neutral"},{"name":"Labha","start":"03:03","end":"04:25","startHours":27.05580207779754,"endHours":28.41930733906302,"quality":"auspicious"},{"name":"Amṛta","start":"04:25","end":"05:47","startHours":28.41930733906302,"endHours":29.7828126003285,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.782812600328501,"endHours":6.782812600328501,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.782812600328501,"endHours":7.782812600328501,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.782812600328501,"endHours":8.782812600328501,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.782812600328501,"endHours":9.782812600328501,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.782812600328501,"endHours":10.782812600328501,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.782812600328501,"endHours":11.782812600328501,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.782812600328501,"endHours":12.782812600328501,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.782812600328501,"endHours":13.782812600328501,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.782812600328501,"endHours":14.782812600328501,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.782812600328501,"endHours":15.782812600328501,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.782812600328501,"endHours":16.7828126003285,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.7828126003285,"endHours":17.7828126003285,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.7828126003285,"endHours":18.7828126003285,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.7828126003285,"endHours":19.7828126003285,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.7828126003285,"endHours":20.7828126003285,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.7828126003285,"endHours":21.7828126003285,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.7828126003285,"endHours":22.7828126003285,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.7828126003285,"endHours":23.7828126003285,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.7828126003285,"endHours":24.7828126003285,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.7828126003285,"endHours":25.7828126003285,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.7828126003285,"endHours":26.7828126003285,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.7828126003285,"endHours":27.7828126003285,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.7828126003285,"endHours":28.7828126003285,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.7828126003285,"endHours":29.7828126003285,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.199576350642175,"eotMinutes":-2.7978933159948465,"ayanamsa":22.3253}},"calendars":{"vikram_samvat":1947,"vikram_samvatsara":"Śobhana","saka_samvat":1812,"saka_samvatsara":"Vikṛti","bengali_samvat":1297,"malayalam_era":1066,"nanakshahi_year":421,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 1947 Śobhana · Śaka 1812 Vikṛti"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"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":[]},"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 21, 1890 CE · Ṛṣikeśa · Vidhyamitra","description":"August 21, 1890 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 05:47, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1890-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1890-08-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1890-08-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1890-08-21","x-default":"https://vidhyamitra.com/city/rishikesh/1890-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:01:35.753Z","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":"2026-05-31T21:01:35.753Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:01:35.753Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}