{"id":"vidhyamitra:city-day:rishikesh:1865-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1865-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1865-09-18","date_display":"September 18, 1865 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":1865,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402497.770833,"kali_year":4967,"ahargana":1814032.2708,"sun":{"sidereal_longitude":152.7248,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":131.3256,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.6008,"elapsed_within_tithi_degrees":2.6008},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.3256,"elapsed_within_degrees":11.3256},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.0504},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1865,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402497.770833,"ahargana":1814032.2708,"kali_year":4967,"ayanamsa_lahiri":21.9771,"grahas":{"sun":{"sidereal_longitude":153.13587499999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":132.134075,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-3.5694},"mars":{"sidereal_longitude":172.02867500000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":139.16837499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":241.20967500000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":117.37697500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":187.62817500000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":183.8406,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":3.8406,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1865,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402497.770833,"kali_year":4967,"ahargana":1814032.2708,"sun":{"sidereal_longitude":152.7248,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":131.3256,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.6008,"elapsed_within_tithi_degrees":2.6008},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.3256,"elapsed_within_degrees":11.3256},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.0504},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.569,"elongation":21.399},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.569,"opposition_distance":158.601}},"eclipse_window_40days":[{"offset_days":17,"type":"lunar","occurs":true,"moon_latitude":0.981,"opposition_distance":0.931}]},"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":"06:02","sunsetLocal":"18:19","solarNoonLocal":"12:10","dayLengthHours":12.27854923688853,"dayLengthDisplay":"12 Hours 16 Mins 43 Secs","nightLengthDisplay":"11 Hours 43 Mins 17 Secs","moonriseLocal":"04:20","moonsetLocal":"17:13","rahuKala":{"name":"Rāhu Kāla","start":"07:34","end":"09:06","startHours":7.567536999938897,"endHours":9.102355654549964,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:38","end":"12:10","startHours":10.63717430916103,"endHours":12.171992963772094,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:14","startHours":13.706811618383162,"endHours":15.241630272994229,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.897713167268488,"endHours":9.30699814183144,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:52","startHours":6.544324563531519,"endHours":6.87175254318188,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:35","startHours":11.762707989209144,"endHours":12.581277938335045,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:13","startHours":4.395578447076026,"endHours":5.214148396201928,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:02","startHours":5.0095059089204526,"endHours":6.03271834532783,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:02","startHours":14.218417836586848,"endHours":15.03698778571275,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.11126758221636,"endHours":18.51126758221636,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:49","startHours":18.31126758221636,"endHours":18.822873800420048,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.06126758221636,"endHours":19.81126758221636,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:35","startHours":23.762707989209144,"endHours":24.581277938335045,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:02","end":"07:34","startHours":6.03271834532783,"endHours":7.567536999938897,"quality":"auspicious"},{"name":"Kāla","start":"07:34","end":"09:06","startHours":7.567536999938897,"endHours":9.102355654549964,"quality":"inauspicious"},{"name":"Śubha","start":"09:06","end":"10:38","startHours":9.102355654549964,"endHours":10.63717430916103,"quality":"auspicious"},{"name":"Roga","start":"10:38","end":"12:10","startHours":10.63717430916103,"endHours":12.171992963772094,"quality":"inauspicious"},{"name":"Udveg","start":"12:10","end":"13:42","startHours":12.171992963772094,"endHours":13.706811618383162,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:14","startHours":13.706811618383162,"endHours":15.241630272994229,"quality":"neutral"},{"name":"Labha","start":"15:14","end":"16:47","startHours":15.241630272994229,"endHours":16.776448927605294,"quality":"auspicious"},{"name":"Amṛta","start":"16:47","end":"18:19","startHours":16.776448927605294,"endHours":18.31126758221636,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:19","end":"19:47","startHours":18.31126758221636,"endHours":19.776448927605294,"quality":"neutral"},{"name":"Labha","start":"19:47","end":"21:14","startHours":19.776448927605294,"endHours":21.24163027299423,"quality":"auspicious"},{"name":"Amṛta","start":"21:14","end":"22:42","startHours":21.24163027299423,"endHours":22.70681161838316,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:10","startHours":22.70681161838316,"endHours":24.171992963772094,"quality":"inauspicious"},{"name":"Śubha","start":"00:10","end":"01:38","startHours":24.171992963772094,"endHours":25.63717430916103,"quality":"auspicious"},{"name":"Roga","start":"01:38","end":"03:06","startHours":25.63717430916103,"endHours":27.10235565454996,"quality":"inauspicious"},{"name":"Udveg","start":"03:06","end":"04:34","startHours":27.10235565454996,"endHours":28.567536999938895,"quality":"inauspicious"},{"name":"Chala","start":"04:34","end":"06:02","startHours":28.567536999938895,"endHours":30.03271834532783,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.03271834532783,"endHours":7.03271834532783,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.03271834532783,"endHours":8.03271834532783,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.03271834532783,"endHours":9.03271834532783,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.03271834532783,"endHours":10.03271834532783,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.03271834532783,"endHours":11.03271834532783,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.03271834532783,"endHours":12.03271834532783,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.03271834532783,"endHours":13.03271834532783,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.03271834532783,"endHours":14.03271834532783,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.03271834532783,"endHours":15.03271834532783,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.03271834532783,"endHours":16.03271834532783,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.03271834532783,"endHours":17.03271834532783,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.03271834532783,"endHours":18.03271834532783,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.03271834532783,"endHours":19.03271834532783,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.03271834532783,"endHours":20.03271834532783,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.03271834532783,"endHours":21.03271834532783,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.03271834532783,"endHours":22.03271834532783,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.03271834532783,"endHours":23.03271834532783,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.03271834532783,"endHours":24.03271834532783,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.03271834532783,"endHours":25.03271834532783,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.03271834532783,"endHours":26.03271834532783,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.03271834532783,"endHours":27.03271834532783,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.03271834532783,"endHours":28.03271834532783,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.03271834532783,"endHours":29.03271834532783,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.03271834532783,"endHours":30.03271834532783,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.9417441759840064,"eotMinutes":6.610022173674397,"ayanamsa":21.9771}},"calendars":{"vikram_samvat":1922,"vikram_samvatsara":"Bahudhānya","saka_samvat":1787,"saka_samvatsara":"Krodhana","bengali_samvat":1272,"malayalam_era":1041,"nanakshahi_year":396,"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 Caturdaśī · Vikram 1922 Bahudhānya · Śaka 1787 Krodhana"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 September 18, 1865 CE · Ṛṣikeśa · Vidhyamitra","description":"September 18, 1865 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 06:02, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1865-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1865-09-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1865-09-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1865-09-18","x-default":"https://vidhyamitra.com/city/rishikesh/1865-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:39:41.186Z","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":"2026-05-31T10:39:41.186Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:39:41.186Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}