{"id":"vidhyamitra:city-day:rishikesh:1850-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1850-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1850-10-01","date_display":"October 1, 1850 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":1850,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397031.770833,"kali_year":4952,"ahargana":1808566.2708,"sun":{"sidereal_longitude":165.3485,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":105.7393,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.3908,"elapsed_within_tithi_degrees":0.3908},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":105.7393,"elapsed_within_degrees":12.406},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.0878},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1850,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2397031.770833,"ahargana":1808566.2708,"kali_year":4952,"ayanamsa_lahiri":21.7681,"grahas":{"sun":{"sidereal_longitude":165.73291599999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":103.767516,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-0.6036},"mars":{"sidereal_longitude":185.703216,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":183.066016,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":164.58201600000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":214.44851599999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":358.38131599999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":113.4555,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":293.4555,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1850,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397031.770833,"kali_year":4952,"ahargana":1808566.2708,"sun":{"sidereal_longitude":165.3485,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":105.7393,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.3908,"elapsed_within_tithi_degrees":0.3908},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":105.7393,"elapsed_within_degrees":12.406},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.0878},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.604,"elongation":59.609},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.604,"opposition_distance":120.391}},"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":"06:09","sunsetLocal":"18:03","solarNoonLocal":"12:06","dayLengthHours":11.898407342959167,"dayLengthDisplay":"11 Hours 53 Mins 54 Secs","nightLengthDisplay":"12 Hours 06 Mins 06 Secs","moonriseLocal":"01:09","moonsetLocal":"14:47","rahuKala":{"name":"Rāhu Kāla","start":"15:04","end":"16:33","startHours":15.07063243263005,"endHours":16.557933350499948,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:07","end":"10:37","startHours":9.121428761150467,"endHours":10.608729679020364,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:06","end":"13:35","startHours":12.096030596890259,"endHours":13.583331514760154,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.923121972101146,"endHours":9.319735550199786,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.642593898033974,"endHours":6.959884760512885,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:30","startHours":11.69941701879162,"endHours":12.492644174988898,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:21","startHours":4.56037261301612,"endHours":5.353599769213397,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:09","startHours":5.155292980164078,"endHours":6.146826925410675,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:52","startHours":14.079098487383453,"endHours":14.87232564358073,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.845234268369843,"endHours":18.245234268369842,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:32","startHours":18.045234268369843,"endHours":18.54100124099314,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.795234268369843,"endHours":19.545234268369843,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:30","startHours":23.69941701879162,"endHours":24.492644174988897,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:09","end":"07:38","startHours":6.146826925410675,"endHours":7.634127843280571,"quality":"inauspicious"},{"name":"Udveg","start":"07:38","end":"09:07","startHours":7.634127843280571,"endHours":9.121428761150467,"quality":"inauspicious"},{"name":"Chala","start":"09:07","end":"10:37","startHours":9.121428761150467,"endHours":10.608729679020364,"quality":"neutral"},{"name":"Labha","start":"10:37","end":"12:06","startHours":10.608729679020364,"endHours":12.096030596890259,"quality":"auspicious"},{"name":"Amṛta","start":"12:06","end":"13:35","startHours":12.096030596890259,"endHours":13.583331514760154,"quality":"auspicious"},{"name":"Kāla","start":"13:35","end":"15:04","startHours":13.583331514760154,"endHours":15.07063243263005,"quality":"inauspicious"},{"name":"Śubha","start":"15:04","end":"16:33","startHours":15.07063243263005,"endHours":16.557933350499948,"quality":"auspicious"},{"name":"Roga","start":"16:33","end":"18:03","startHours":16.557933350499948,"endHours":18.045234268369843,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:03","end":"19:33","startHours":18.045234268369843,"endHours":19.557933350499948,"quality":"inauspicious"},{"name":"Śubha","start":"19:33","end":"21:04","startHours":19.557933350499948,"endHours":21.07063243263005,"quality":"auspicious"},{"name":"Roga","start":"21:04","end":"22:35","startHours":21.07063243263005,"endHours":22.583331514760154,"quality":"inauspicious"},{"name":"Udveg","start":"22:35","end":"00:06","startHours":22.583331514760154,"endHours":24.09603059689026,"quality":"inauspicious"},{"name":"Chala","start":"00:06","end":"01:37","startHours":24.09603059689026,"endHours":25.608729679020364,"quality":"neutral"},{"name":"Labha","start":"01:37","end":"03:07","startHours":25.608729679020364,"endHours":27.12142876115047,"quality":"auspicious"},{"name":"Amṛta","start":"03:07","end":"04:38","startHours":27.12142876115047,"endHours":28.63412784328057,"quality":"auspicious"},{"name":"Kāla","start":"04:38","end":"06:09","startHours":28.63412784328057,"endHours":30.146826925410675,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.146826925410675,"endHours":7.146826925410675,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.146826925410675,"endHours":8.146826925410675,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.146826925410675,"endHours":9.146826925410675,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.146826925410675,"endHours":10.146826925410675,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.146826925410675,"endHours":11.146826925410675,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.146826925410675,"endHours":12.146826925410675,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.146826925410675,"endHours":13.146826925410675,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.146826925410675,"endHours":14.146826925410675,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.146826925410675,"endHours":15.146826925410675,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.146826925410675,"endHours":16.146826925410675,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.146826925410675,"endHours":17.146826925410675,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.146826925410675,"endHours":18.146826925410675,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.146826925410675,"endHours":19.146826925410675,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.146826925410675,"endHours":20.146826925410675,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.146826925410675,"endHours":21.146826925410675,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.146826925410675,"endHours":22.146826925410675,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.146826925410675,"endHours":23.146826925410675,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.146826925410675,"endHours":24.146826925410675,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.146826925410675,"endHours":25.146826925410675,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.146826925410675,"endHours":26.146826925410675,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.146826925410675,"endHours":27.146826925410675,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.146826925410675,"endHours":28.146826925410675,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.146826925410675,"endHours":29.146826925410675,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.146826925410675,"endHours":30.146826925410675,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.9762208544754607,"eotMinutes":11.167764186584405,"ayanamsa":21.7681}},"calendars":{"vikram_samvat":1907,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1772,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1257,"malayalam_era":1026,"nanakshahi_year":381,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ekādaśī · Vikram 1907 Rudhirodgāri · Śaka 1772 Sādhāraṇa"},"festivals":[{"id":"rama-ekadashi","name":"Ramā Ekādaśī","name_sanskrit":"रमा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (with Ramā = Lakṣmī)","significance":"Lakṣmī (Ramā) granted boon to King Mucukunda.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Dedicated festival walk for Ramā Ekādaśī · Ekādaśī is not live yet; Maṅgalavāra (Tuesday) — 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 October 1, 1850 CE · Ṛṣikeśa · Vidhyamitra","description":"October 1, 1850 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 06:09, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1850-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1850-10-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1850-10-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1850-10-01","x-default":"https://vidhyamitra.com/city/rishikesh/1850-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-21T21:34:46.116Z","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":"2026-06-21T21:34:46.116Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-21T21:34:46.116Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no founder-city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","Divyāṁśa-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}