{"id":"vidhyamitra:city-day:rishikesh:1869-10-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1869-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1869-10-21","date_display":"October 21, 1869 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":1869,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403991.770833,"kali_year":4971,"ahargana":1815526.2708,"sun":{"sidereal_longitude":185.2614,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":11.1144,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":185.853,"elapsed_within_tithi_degrees":5.853},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.1144,"elapsed_within_degrees":11.1144},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.3758},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":1869,"month":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2403991.770833,"ahargana":1815526.2708,"kali_year":4971,"ayanamsa_lahiri":22.0343,"grahas":{"sun":{"sidereal_longitude":185.66329300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":10.717893000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-4.4913},"mars":{"sidereal_longitude":221.62029299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":186.17329300000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":28.091792999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":228.70729299999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":232.90609300000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":104.6812,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.6812,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1869,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403991.770833,"kali_year":4971,"ahargana":1815526.2708,"sun":{"sidereal_longitude":185.2614,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":11.1144,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":185.853,"elapsed_within_tithi_degrees":5.853},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.1144,"elapsed_within_degrees":11.1144},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.3758},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.491,"elongation":174.147},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.491,"opposition_distance":5.853}},"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":"06:22","sunsetLocal":"17:40","solarNoonLocal":"12:01","dayLengthHours":11.297022249094585,"dayLengthDisplay":"11 Hours 17 Mins 49 Secs","nightLengthDisplay":"12 Hours 42 Mins 11 Secs","moonriseLocal":"17:49","moonsetLocal":"06:53","rahuKala":{"name":"Rāhu Kāla","start":"13:26","end":"14:51","startHours":13.430464105025077,"endHours":14.842591886161902,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:22","end":"07:47","startHours":6.369825199340961,"endHours":7.781952980477785,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:12","end":"10:36","startHours":9.194080761614607,"endHours":10.606208542751432,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:23","startHours":9.005797057463031,"endHours":9.382364465766184,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.840534459719902,"endHours":7.141788386362425,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:24","startHours":11.641768915585102,"endHours":12.394903732191407,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:37","startHours":4.863555566128349,"endHours":5.616690382734656,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:22","startHours":5.428406678583079,"endHours":6.369825199340961,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:39","startHours":13.901173365404016,"endHours":14.654308182010322,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.466847448435548,"endHours":17.866847448435546,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:08","startHours":17.666847448435547,"endHours":18.13755670881449,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.416847448435547,"endHours":19.166847448435547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:24","startHours":23.641768915585104,"endHours":24.39490373219141,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:22","end":"07:47","startHours":6.369825199340961,"endHours":7.781952980477785,"quality":"auspicious"},{"name":"Roga","start":"07:47","end":"09:12","startHours":7.781952980477785,"endHours":9.194080761614607,"quality":"inauspicious"},{"name":"Udveg","start":"09:12","end":"10:36","startHours":9.194080761614607,"endHours":10.606208542751432,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:01","startHours":10.606208542751432,"endHours":12.018336323888253,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:26","startHours":12.018336323888253,"endHours":13.430464105025077,"quality":"auspicious"},{"name":"Amṛta","start":"13:26","end":"14:51","startHours":13.430464105025077,"endHours":14.842591886161902,"quality":"auspicious"},{"name":"Kāla","start":"14:51","end":"16:15","startHours":14.842591886161902,"endHours":16.254719667298723,"quality":"inauspicious"},{"name":"Śubha","start":"16:15","end":"17:40","startHours":16.254719667298723,"endHours":17.666847448435547,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:40","end":"19:15","startHours":17.666847448435547,"endHours":19.254719667298723,"quality":"auspicious"},{"name":"Kāla","start":"19:15","end":"20:51","startHours":19.254719667298723,"endHours":20.8425918861619,"quality":"inauspicious"},{"name":"Śubha","start":"20:51","end":"22:26","startHours":20.8425918861619,"endHours":22.430464105025077,"quality":"auspicious"},{"name":"Roga","start":"22:26","end":"00:01","startHours":22.430464105025077,"endHours":24.018336323888256,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:36","startHours":24.018336323888256,"endHours":25.606208542751432,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:12","startHours":25.606208542751432,"endHours":27.194080761614607,"quality":"neutral"},{"name":"Labha","start":"03:12","end":"04:47","startHours":27.194080761614607,"endHours":28.781952980477783,"quality":"auspicious"},{"name":"Amṛta","start":"04:47","end":"06:22","startHours":28.781952980477783,"endHours":30.369825199340962,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.369825199340961,"endHours":7.369825199340961,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.369825199340961,"endHours":8.369825199340962,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.369825199340962,"endHours":9.369825199340962,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.369825199340962,"endHours":10.369825199340962,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.369825199340962,"endHours":11.369825199340962,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.369825199340962,"endHours":12.369825199340962,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.369825199340962,"endHours":13.369825199340962,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.369825199340962,"endHours":14.369825199340962,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.369825199340962,"endHours":15.369825199340962,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.369825199340962,"endHours":16.369825199340962,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.369825199340962,"endHours":17.369825199340962,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.369825199340962,"endHours":18.369825199340962,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.369825199340962,"endHours":19.369825199340962,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.369825199340962,"endHours":20.369825199340962,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.369825199340962,"endHours":21.369825199340962,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.369825199340962,"endHours":22.369825199340962,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.369825199340962,"endHours":23.369825199340962,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.369825199340962,"endHours":24.369825199340962,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.369825199340962,"endHours":25.369825199340962,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.369825199340962,"endHours":26.369825199340962,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.369825199340962,"endHours":27.369825199340962,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.369825199340962,"endHours":28.369825199340962,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.369825199340962,"endHours":29.369825199340962,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.369825199340962,"endHours":30.369825199340962,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.653435262831119,"eotMinutes":15.829420566704727,"ayanamsa":22.0343}},"calendars":{"vikram_samvat":1926,"vikram_samvatsara":"Citrabhānu","saka_samvat":1791,"saka_samvatsara":"Śukla","bengali_samvat":1276,"malayalam_era":1045,"nanakshahi_year":400,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Pratipada · Vikram 1926 Citrabhānu · Śaka 1791 Śukla"},"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":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 October 21, 1869 CE · Ṛṣikeśa · Vidhyamitra","description":"October 21, 1869 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 06:22, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1869-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1869-10-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1869-10-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1869-10-21","x-default":"https://vidhyamitra.com/city/rishikesh/1869-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:44:19.522Z","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":"2026-06-01T23:44:19.522Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:44:19.522Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}