{"id":"vidhyamitra:city-day:rishikesh:1865-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1865-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1865-09-17","date_display":"September 17, 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":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402496.770833,"kali_year":4967,"ahargana":1814031.2708,"sun":{"sidereal_longitude":151.7495,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":118.4176,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.6681,"elapsed_within_tithi_degrees":2.6681},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.4176,"elapsed_within_degrees":11.7509},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.1671},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402496.770833,"ahargana":1814031.2708,"kali_year":4967,"ayanamsa_lahiri":21.9771,"grahas":{"sun":{"sidereal_longitude":152.15891299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":119.90351299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-4.0933},"mars":{"sidereal_longitude":171.37091299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":139.03961300000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":241.11331299999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":116.19821300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":187.52181300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":183.8935,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":3.8935,"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":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402496.770833,"kali_year":4967,"ahargana":1814031.2708,"sun":{"sidereal_longitude":151.7495,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":118.4176,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.6681,"elapsed_within_tithi_degrees":2.6681},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.4176,"elapsed_within_degrees":11.7509},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.1671},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.093,"elongation":33.332},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.093,"opposition_distance":146.668}},"eclipse_window_40days":[{"offset_days":18,"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":"06:01","sunsetLocal":"18:20","solarNoonLocal":"12:11","dayLengthHours":12.308550856832753,"dayLengthDisplay":"12 Hours 18 Mins 31 Secs","nightLengthDisplay":"11 Hours 41 Mins 29 Secs","moonriseLocal":"03:25","moonsetLocal":"16:38","rahuKala":{"name":"Rāhu Kāla","start":"16:48","end":"18:20","startHours":16.793873842056154,"endHours":18.332442699160246,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.716736127847966,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:15","end":"16:48","startHours":15.255304984952058,"endHours":16.793873842056154,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.895887042255136,"endHours":9.30617207081623,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.53674812802886,"endHours":6.864976150877733,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:35","startHours":11.767882242182779,"endHours":12.588452299304961,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:12","startHours":4.382751728083128,"endHours":5.203321785205311,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"06:01","startHours":4.998179270924766,"endHours":6.023891842327495,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:03","startHours":14.22959241354933,"endHours":15.050162470671514,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.132442699160247,"endHours":18.532442699160246,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:51","startHours":18.332442699160246,"endHours":18.84529898486161,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.082442699160246,"endHours":19.832442699160246,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:35","startHours":23.76788224218278,"endHours":24.58845229930496,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:01","end":"07:34","startHours":6.023891842327495,"endHours":7.562460699431589,"quality":"inauspicious"},{"name":"Chala","start":"07:34","end":"09:06","startHours":7.562460699431589,"endHours":9.101029556535682,"quality":"neutral"},{"name":"Labha","start":"09:06","end":"10:38","startHours":9.101029556535682,"endHours":10.639598413639778,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"12:11","startHours":10.639598413639778,"endHours":12.17816727074387,"quality":"auspicious"},{"name":"Kāla","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.716736127847966,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:15","startHours":13.716736127847966,"endHours":15.255304984952058,"quality":"auspicious"},{"name":"Roga","start":"15:15","end":"16:48","startHours":15.255304984952058,"endHours":16.793873842056154,"quality":"inauspicious"},{"name":"Udveg","start":"16:48","end":"18:20","startHours":16.793873842056154,"endHours":18.332442699160246,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:20","end":"19:48","startHours":18.332442699160246,"endHours":19.79387384205615,"quality":"auspicious"},{"name":"Roga","start":"19:48","end":"21:15","startHours":19.79387384205615,"endHours":21.25530498495206,"quality":"inauspicious"},{"name":"Udveg","start":"21:15","end":"22:43","startHours":21.25530498495206,"endHours":22.716736127847966,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:11","startHours":22.716736127847966,"endHours":24.17816727074387,"quality":"neutral"},{"name":"Labha","start":"00:11","end":"01:38","startHours":24.17816727074387,"endHours":25.639598413639774,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"03:06","startHours":25.639598413639774,"endHours":27.101029556535682,"quality":"auspicious"},{"name":"Kāla","start":"03:06","end":"04:34","startHours":27.101029556535682,"endHours":28.56246069943159,"quality":"inauspicious"},{"name":"Śubha","start":"04:34","end":"06:01","startHours":28.56246069943159,"endHours":30.023891842327494,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.023891842327495,"endHours":7.023891842327495,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.023891842327495,"endHours":8.023891842327494,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.023891842327494,"endHours":9.023891842327494,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.023891842327494,"endHours":10.023891842327494,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.023891842327494,"endHours":11.023891842327494,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.023891842327494,"endHours":12.023891842327494,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.023891842327494,"endHours":13.023891842327494,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.023891842327494,"endHours":14.023891842327494,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.023891842327494,"endHours":15.023891842327494,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.023891842327494,"endHours":16.023891842327494,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.023891842327494,"endHours":17.023891842327494,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.023891842327494,"endHours":18.023891842327494,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.023891842327494,"endHours":19.023891842327494,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.023891842327494,"endHours":20.023891842327494,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.023891842327494,"endHours":21.023891842327494,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.023891842327494,"endHours":22.023891842327494,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.023891842327494,"endHours":23.023891842327494,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.023891842327494,"endHours":24.023891842327494,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.023891842327494,"endHours":25.023891842327494,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.023891842327494,"endHours":26.023891842327494,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.023891842327494,"endHours":27.023891842327494,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.023891842327494,"endHours":28.023891842327494,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.023891842327494,"endHours":29.023891842327494,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.023891842327494,"endHours":30.023891842327494,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.3288696490574607,"eotMinutes":6.239563755367786,"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 Trayodaśī · Vikram 1922 Bahudhānya · Śaka 1787 Krodhana"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 17, 1865 CE · Ṛṣikeśa · Vidhyamitra","description":"September 17, 1865 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:01, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1865-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1865-09-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1865-09-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1865-09-17","x-default":"https://vidhyamitra.com/city/rishikesh/1865-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:40:17.468Z","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":"2026-05-31T22:40:17.468Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:40:17.468Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}