{"id":"vidhyamitra:city-day:rishikesh:2185-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2185-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2185-09-01","date_display":"September 1, 2185 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":2185,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519358.770833,"kali_year":5287,"ahargana":1930893.2708,"sun":{"sidereal_longitude":131.6016,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":212.1597,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.5581,"elapsed_within_tithi_degrees":8.5581},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":212.1597,"elapsed_within_degrees":12.1597},"yoga":{"number":26,"name":"Indra","sum_longitude":343.7613},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2185,"month":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519358.770833,"ahargana":1930893.2708,"kali_year":5287,"ayanamsa_lahiri":26.4466,"grahas":{"sun":{"sidereal_longitude":132.731226,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":212.36812599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.4291},"mars":{"sidereal_longitude":182.98552599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":149.166226,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":227.12822600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":110.124326,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":139.47562599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":111.9824,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.9824,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"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":2185,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519358.770833,"kali_year":5287,"ahargana":1930893.2708,"sun":{"sidereal_longitude":131.6016,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":212.1597,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.5581,"elapsed_within_tithi_degrees":8.5581},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":212.1597,"elapsed_within_degrees":12.1597},"yoga":{"number":26,"name":"Indra","sum_longitude":343.7613},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.429,"elongation":80.558},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.429,"opposition_distance":99.442}},"eclipse_window_40days":[{"offset_days":-7,"type":"solar","occurs":true,"moon_latitude":0.838,"elongation":1.782}]},"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":"05:54","sunsetLocal":"18:39","solarNoonLocal":"12:16","dayLengthHours":12.763044305982625,"dayLengthDisplay":"12 Hours 45 Mins 47 Secs","nightLengthDisplay":"11 Hours 14 Mins 13 Secs","moonriseLocal":"12:20","moonsetLocal":"22:50","rahuKala":{"name":"Rāhu Kāla","start":"13:52","end":"15:28","startHours":13.869606908063272,"endHours":15.464987446311099,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:54","end":"07:29","startHours":5.892704216824131,"endHours":7.488084755071959,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:41","startHours":9.083465293319787,"endHours":10.678845831567616,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.870747888220077,"endHours":9.296182698419498,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.424497729573408,"endHours":6.764845577732944,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:42","startHours":11.848791559616023,"endHours":12.699661180014866,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:03","startHours":4.190964976026448,"endHours":5.041834596425289,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:54","startHours":4.8291171913255795,"endHours":5.892704216824131,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:15","startHours":14.401400420812546,"endHours":15.252270041211387,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.455748522806758,"endHours":18.855748522806756,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:11","startHours":18.655748522806757,"endHours":19.18754203555603,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.405748522806757,"endHours":20.155748522806757,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:42","startHours":23.848791559616025,"endHours":24.699661180014864,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:54","end":"07:29","startHours":5.892704216824131,"endHours":7.488084755071959,"quality":"auspicious"},{"name":"Roga","start":"07:29","end":"09:05","startHours":7.488084755071959,"endHours":9.083465293319787,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:41","startHours":9.083465293319787,"endHours":10.678845831567616,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:16","startHours":10.678845831567616,"endHours":12.274226369815445,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:52","startHours":12.274226369815445,"endHours":13.869606908063272,"quality":"auspicious"},{"name":"Amṛta","start":"13:52","end":"15:28","startHours":13.869606908063272,"endHours":15.464987446311099,"quality":"auspicious"},{"name":"Kāla","start":"15:28","end":"17:04","startHours":15.464987446311099,"endHours":17.06036798455893,"quality":"inauspicious"},{"name":"Śubha","start":"17:04","end":"18:39","startHours":17.06036798455893,"endHours":18.655748522806757,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:39","end":"20:04","startHours":18.655748522806757,"endHours":20.06036798455893,"quality":"auspicious"},{"name":"Kāla","start":"20:04","end":"21:28","startHours":20.06036798455893,"endHours":21.4649874463111,"quality":"inauspicious"},{"name":"Śubha","start":"21:28","end":"22:52","startHours":21.4649874463111,"endHours":22.869606908063272,"quality":"auspicious"},{"name":"Roga","start":"22:52","end":"00:16","startHours":22.869606908063272,"endHours":24.274226369815445,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:41","startHours":24.274226369815445,"endHours":25.678845831567617,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:05","startHours":25.678845831567617,"endHours":27.08346529331979,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:29","startHours":27.08346529331979,"endHours":28.48808475507196,"quality":"auspicious"},{"name":"Amṛta","start":"04:29","end":"05:54","startHours":28.48808475507196,"endHours":29.892704216824132,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.892704216824131,"endHours":6.892704216824131,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.892704216824131,"endHours":7.892704216824131,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.892704216824131,"endHours":8.892704216824132,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.892704216824132,"endHours":9.892704216824132,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.892704216824132,"endHours":10.892704216824132,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.892704216824132,"endHours":11.892704216824132,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.892704216824132,"endHours":12.892704216824132,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.892704216824132,"endHours":13.892704216824132,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.892704216824132,"endHours":14.892704216824132,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.892704216824132,"endHours":15.892704216824132,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.892704216824132,"endHours":16.892704216824132,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.892704216824132,"endHours":17.892704216824132,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.892704216824132,"endHours":18.892704216824132,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.892704216824132,"endHours":19.892704216824132,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.892704216824132,"endHours":20.892704216824132,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.892704216824132,"endHours":21.892704216824132,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.892704216824132,"endHours":22.892704216824132,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.892704216824132,"endHours":23.892704216824132,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.892704216824132,"endHours":24.892704216824132,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.892704216824132,"endHours":25.892704216824132,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.892704216824132,"endHours":26.892704216824132,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.892704216824132,"endHours":27.892704216824132,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.892704216824132,"endHours":28.892704216824132,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.892704216824132,"endHours":29.892704216824132,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.12779267030529,"eotMinutes":0.47601781107335894,"ayanamsa":26.4466}},"calendars":{"vikram_samvat":2242,"vikram_samvatsara":"Vilambī","saka_samvat":2107,"saka_samvatsara":"Pārthiva","bengali_samvat":1592,"malayalam_era":1361,"nanakshahi_year":716,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","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":"Bhādrapada Śukla Saptamī · Vikram 2242 Vilambī · Śaka 2107 Pārthiva"},"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 September 1, 2185 CE · Ṛṣikeśa · Vidhyamitra","description":"September 1, 2185 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:54, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2185-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2185-09-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2185-09-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2185-09-01","x-default":"https://vidhyamitra.com/city/rishikesh/2185-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T23:22:19.173Z","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":"2026-05-29T23:22:19.173Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T23:22:19.173Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}