{"id":"vidhyamitra:city-day:rishikesh:2005-09-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2005-09-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-09-11","date_display":"September 11, 2005 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":2005,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453624.770833,"kali_year":5107,"ahargana":1865159.2708,"sun":{"sidereal_longitude":143.751,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":231.501,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.75,"elapsed_within_tithi_degrees":3.75},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.501,"elapsed_within_degrees":4.8343},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.252},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2005,"month":9,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453624.770833,"ahargana":1865159.2708,"kali_year":5107,"ayanamsa_lahiri":23.9325,"grahas":{"sun":{"sidereal_longitude":144.48274800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":228.918948,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":-3.7563},"mars":{"sidereal_longitude":26.357348,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":137.960148,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":177.05244800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":185.25654800000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":102.89014800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":354.8861,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":174.8861,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2005,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453624.770833,"kali_year":5107,"ahargana":1865159.2708,"sun":{"sidereal_longitude":143.751,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":231.501,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.75,"elapsed_within_tithi_degrees":3.75},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.501,"elapsed_within_degrees":4.8343},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.252},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.756,"elongation":87.75},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.756,"opposition_distance":92.25}},"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":"05:58","sunsetLocal":"18:27","solarNoonLocal":"12:13","dayLengthHours":12.483743281374984,"dayLengthDisplay":"12 Hours 29 Mins 01 Secs","nightLengthDisplay":"11 Hours 30 Mins 59 Secs","moonriseLocal":"12:43","moonsetLocal":"22:59","rahuKala":{"name":"Rāhu Kāla","start":"16:54","end":"18:27","startHours":16.896657194609574,"endHours":18.457125104781447,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:47","startHours":12.215253464093955,"endHours":13.775721374265828,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"16:54","startHours":15.336189284437701,"endHours":16.896657194609574,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.886255255727292,"endHours":9.302380031773124,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.493537793463753,"endHours":6.82643761430042,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.799128688048123,"endHours":12.631378240139787,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:08","startHours":4.3088827192231305,"endHours":5.141132271314796,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:58","startHours":4.93306988329188,"endHours":5.973381823406462,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.295877344323117,"endHours":15.128126896414782,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.257125104781448,"endHours":18.657125104781446,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:59","startHours":18.457125104781447,"endHours":18.97728107483874,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.207125104781447,"endHours":19.957125104781447,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.79912868804812,"endHours":24.63137824013979,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:58","end":"07:32","startHours":5.973381823406462,"endHours":7.533849733578335,"quality":"inauspicious"},{"name":"Chala","start":"07:32","end":"09:06","startHours":7.533849733578335,"endHours":9.094317643750209,"quality":"neutral"},{"name":"Labha","start":"09:06","end":"10:39","startHours":9.094317643750209,"endHours":10.654785553922082,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:13","startHours":10.654785553922082,"endHours":12.215253464093955,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:47","startHours":12.215253464093955,"endHours":13.775721374265828,"quality":"inauspicious"},{"name":"Śubha","start":"13:47","end":"15:20","startHours":13.775721374265828,"endHours":15.336189284437701,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"16:54","startHours":15.336189284437701,"endHours":16.896657194609574,"quality":"inauspicious"},{"name":"Udveg","start":"16:54","end":"18:27","startHours":16.896657194609574,"endHours":18.457125104781447,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:27","end":"19:54","startHours":18.457125104781447,"endHours":19.896657194609574,"quality":"auspicious"},{"name":"Roga","start":"19:54","end":"21:20","startHours":19.896657194609574,"endHours":21.3361892844377,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"22:47","startHours":21.3361892844377,"endHours":22.775721374265828,"quality":"inauspicious"},{"name":"Chala","start":"22:47","end":"00:13","startHours":22.775721374265828,"endHours":24.215253464093955,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:39","startHours":24.215253464093955,"endHours":25.654785553922082,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:06","startHours":25.654785553922082,"endHours":27.09431764375021,"quality":"auspicious"},{"name":"Kāla","start":"03:06","end":"04:32","startHours":27.09431764375021,"endHours":28.533849733578336,"quality":"inauspicious"},{"name":"Śubha","start":"04:32","end":"05:58","startHours":28.533849733578336,"endHours":29.973381823406463,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.973381823406462,"endHours":6.973381823406462,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.973381823406462,"endHours":7.973381823406462,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.973381823406462,"endHours":8.973381823406463,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.973381823406463,"endHours":9.973381823406463,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.973381823406463,"endHours":10.973381823406463,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.973381823406463,"endHours":11.973381823406463,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.973381823406463,"endHours":12.973381823406463,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.973381823406463,"endHours":13.973381823406463,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.973381823406463,"endHours":14.973381823406463,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.973381823406463,"endHours":15.973381823406463,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.973381823406463,"endHours":16.973381823406463,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.973381823406463,"endHours":17.973381823406463,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.973381823406463,"endHours":18.973381823406463,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.973381823406463,"endHours":19.973381823406463,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.973381823406463,"endHours":20.973381823406463,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.973381823406463,"endHours":21.973381823406463,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.973381823406463,"endHours":22.973381823406463,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.973381823406463,"endHours":23.973381823406463,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.973381823406463,"endHours":24.973381823406463,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.973381823406463,"endHours":25.973381823406463,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.973381823406463,"endHours":26.973381823406463,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.973381823406463,"endHours":27.973381823406463,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.973381823406463,"endHours":28.973381823406463,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.973381823406463,"endHours":29.973381823406463,"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.581181195019363,"eotMinutes":4.014392154362758,"ayanamsa":23.9325}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Aṣṭamī · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"festivals":[{"id":"radhashtami","name":"Rādhāṣṭamī","name_sanskrit":"राधाष्टमी","tradition":"Vaishnava","associated_deity":"Śrī Rādhā (Krishna's hlādinī-śakti)","significance":"Manifestation of Śrī Rādhā at Barsānā — Krishna's ādi-śakti.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Padma Purāṇa","Brahma-Vaivarta Purāṇa"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 11, 2005 CE · Ṛṣikeśa · Vidhyamitra","description":"September 11, 2005 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 05:58, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2005-09-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2005-09-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2005-09-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2005-09-11","x-default":"https://vidhyamitra.com/city/rishikesh/2005-09-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T20:42:30.004Z","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":"2026-05-21T20:42:30.004Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T20:42:30.004Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}