{"id":"vidhyamitra:city-day:rishikesh:2005-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2005-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-09-12","date_display":"September 12, 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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453625.770833,"kali_year":5107,"ahargana":1865160.2708,"sun":{"sidereal_longitude":144.7211,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":245.1419,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.4208,"elapsed_within_tithi_degrees":4.4208},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.1419,"elapsed_within_degrees":5.1419},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":29.863},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2005,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453625.770833,"ahargana":1865160.2708,"kali_year":5107,"ayanamsa_lahiri":23.9326,"grahas":{"sun":{"sidereal_longitude":145.45540999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":242.61751000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-4.2364},"mars":{"sidereal_longitude":26.624709999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":139.86890999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":177.25231000000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":186.41721000000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":102.99741,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":354.8331,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":174.8331,"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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453625.770833,"kali_year":5107,"ahargana":1865160.2708,"sun":{"sidereal_longitude":144.7211,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":245.1419,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.4208,"elapsed_within_tithi_degrees":4.4208},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.1419,"elapsed_within_degrees":5.1419},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":29.863},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.236,"elongation":100.421},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.236,"opposition_distance":79.579}},"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":"05:59","sunsetLocal":"18:26","solarNoonLocal":"12:13","dayLengthHours":12.454033103153122,"dayLengthDisplay":"12 Hours 27 Mins 15 Secs","nightLengthDisplay":"11 Hours 32 Mins 45 Secs","moonriseLocal":"13:36","moonsetLocal":"23:46","rahuKala":{"name":"Rāhu Kāla","start":"07:32","end":"09:06","startHours":7.538838993851155,"endHours":9.095593131745296,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:39","end":"12:13","startHours":10.652347269639435,"endHours":12.209101407533577,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:46","end":"15:19","startHours":13.765855545427716,"endHours":15.322609683321858,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.88802591335941,"endHours":9.303160350131181,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.501002901921728,"endHours":6.833110451339145,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.793966970761806,"endHours":12.624235844305348,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:09","startHours":4.321547108869932,"endHours":5.151815982413473,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"05:59","startHours":4.944248764027588,"endHours":5.982084855957015,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:07","startHours":14.28477359139243,"endHours":15.115042464935971,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23611795911014,"endHours":18.636117959110138,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:57","startHours":18.43611795911014,"endHours":18.955036005074852,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.18611795911014,"endHours":19.93611795911014,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.793966970761808,"endHours":24.624235844305346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:59","end":"07:32","startHours":5.982084855957015,"endHours":7.538838993851155,"quality":"auspicious"},{"name":"Kāla","start":"07:32","end":"09:06","startHours":7.538838993851155,"endHours":9.095593131745296,"quality":"inauspicious"},{"name":"Śubha","start":"09:06","end":"10:39","startHours":9.095593131745296,"endHours":10.652347269639435,"quality":"auspicious"},{"name":"Roga","start":"10:39","end":"12:13","startHours":10.652347269639435,"endHours":12.209101407533577,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:46","startHours":12.209101407533577,"endHours":13.765855545427716,"quality":"inauspicious"},{"name":"Chala","start":"13:46","end":"15:19","startHours":13.765855545427716,"endHours":15.322609683321858,"quality":"neutral"},{"name":"Labha","start":"15:19","end":"16:53","startHours":15.322609683321858,"endHours":16.879363821215996,"quality":"auspicious"},{"name":"Amṛta","start":"16:53","end":"18:26","startHours":16.879363821215996,"endHours":18.43611795911014,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:26","end":"19:53","startHours":18.43611795911014,"endHours":19.879363821215996,"quality":"neutral"},{"name":"Labha","start":"19:53","end":"21:19","startHours":19.879363821215996,"endHours":21.322609683321858,"quality":"auspicious"},{"name":"Amṛta","start":"21:19","end":"22:46","startHours":21.322609683321858,"endHours":22.76585554542772,"quality":"auspicious"},{"name":"Kāla","start":"22:46","end":"00:13","startHours":22.76585554542772,"endHours":24.209101407533577,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:39","startHours":24.209101407533577,"endHours":25.652347269639435,"quality":"auspicious"},{"name":"Roga","start":"01:39","end":"03:06","startHours":25.652347269639435,"endHours":27.095593131745296,"quality":"inauspicious"},{"name":"Udveg","start":"03:06","end":"04:32","startHours":27.095593131745296,"endHours":28.538838993851158,"quality":"inauspicious"},{"name":"Chala","start":"04:32","end":"05:59","startHours":28.538838993851158,"endHours":29.982084855957016,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.982084855957015,"endHours":6.982084855957015,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.982084855957015,"endHours":7.982084855957015,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.982084855957015,"endHours":8.982084855957016,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.982084855957016,"endHours":9.982084855957016,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.982084855957016,"endHours":10.982084855957016,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.982084855957016,"endHours":11.982084855957016,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.982084855957016,"endHours":12.982084855957016,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.982084855957016,"endHours":13.982084855957016,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.982084855957016,"endHours":14.982084855957016,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.982084855957016,"endHours":15.982084855957016,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.982084855957016,"endHours":16.982084855957016,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.982084855957016,"endHours":17.982084855957016,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.982084855957016,"endHours":18.982084855957016,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.982084855957016,"endHours":19.982084855957016,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.982084855957016,"endHours":20.982084855957016,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.982084855957016,"endHours":21.982084855957016,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.982084855957016,"endHours":22.982084855957016,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.982084855957016,"endHours":23.982084855957016,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.982084855957016,"endHours":24.982084855957016,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.982084855957016,"endHours":25.982084855957016,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.982084855957016,"endHours":26.982084855957016,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.982084855957016,"endHours":27.982084855957016,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.982084855957016,"endHours":28.982084855957016,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.982084855957016,"endHours":29.982084855957016,"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","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":4.200404209689011,"eotMinutes":4.383515547985428,"ayanamsa":23.9326}},"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 Navamī · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"festivals":[{"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":"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 12, 2005 CE · Ṛṣikeśa · Vidhyamitra","description":"September 12, 2005 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:59, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2005-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2005-09-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2005-09-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2005-09-12","x-default":"https://vidhyamitra.com/city/rishikesh/2005-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:06:47.364Z","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":"2026-05-20T19:06:47.364Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:06:47.364Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}