{"id":"vidhyamitra:city-day:rishikesh:2009-09-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2009-09-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-09-11","date_display":"September 11, 2009 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":2009,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455085.770833,"kali_year":5111,"ahargana":1866620.2708,"sun":{"sidereal_longitude":143.717,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":42.3162,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.5992,"elapsed_within_tithi_degrees":6.5992},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.3162,"elapsed_within_degrees":2.3162},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":186.0333},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2009,"month":9,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455085.770833,"ahargana":1866620.2708,"kali_year":5111,"ayanamsa_lahiri":23.9884,"grahas":{"sun":{"sidereal_longitude":144.45802700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":40.982327,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":3.6921},"mars":{"sidereal_longitude":76.00762700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":161.54722700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":295.154627,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":114.33432700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":149.92652699999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":277.4752,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":97.4752,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2009,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455085.770833,"kali_year":5111,"ahargana":1866620.2708,"sun":{"sidereal_longitude":143.717,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":42.3162,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.5992,"elapsed_within_tithi_degrees":6.5992},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.3162,"elapsed_within_degrees":2.3162},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":186.0333},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.692,"elongation":101.401},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.692,"opposition_distance":78.599}},"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":12.482791651723822,"dayLengthDisplay":"12 Hours 28 Mins 58 Secs","nightLengthDisplay":"11 Hours 31 Mins 02 Secs","moonriseLocal":"22:24","moonsetLocal":"12:14","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:13","startHours":10.654904507628478,"endHours":12.215253464093955,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"16:54","startHours":15.335951377024912,"endHours":16.896300333490387,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:32","end":"09:06","startHours":7.5342065946975225,"endHours":9.094555551163001,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.88650902363427,"endHours":9.30260207869173,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.49397395705387,"endHours":6.826848401099839,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.799160409036494,"endHours":12.631346519151416,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:09","startHours":4.309485418002202,"endHours":5.141671528117123,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:58","startHours":4.933625000588393,"endHours":5.973857638232045,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.295718739381261,"endHours":15.127904849496183,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.256649289955867,"endHours":18.656649289955865,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:59","startHours":18.456649289955866,"endHours":18.976765608777693,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.206649289955866,"endHours":19.956649289955866,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.799160409036496,"endHours":24.631346519151414,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:58","end":"07:32","startHours":5.973857638232045,"endHours":7.5342065946975225,"quality":"neutral"},{"name":"Labha","start":"07:32","end":"09:06","startHours":7.5342065946975225,"endHours":9.094555551163001,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:39","startHours":9.094555551163001,"endHours":10.654904507628478,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:13","startHours":10.654904507628478,"endHours":12.215253464093955,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:47","startHours":12.215253464093955,"endHours":13.775602420559434,"quality":"auspicious"},{"name":"Roga","start":"13:47","end":"15:20","startHours":13.775602420559434,"endHours":15.335951377024912,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"16:54","startHours":15.335951377024912,"endHours":16.896300333490387,"quality":"inauspicious"},{"name":"Chala","start":"16:54","end":"18:27","startHours":16.896300333490387,"endHours":18.456649289955866,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:27","end":"19:54","startHours":18.456649289955866,"endHours":19.896300333490387,"quality":"inauspicious"},{"name":"Udveg","start":"19:54","end":"21:20","startHours":19.896300333490387,"endHours":21.335951377024912,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:47","startHours":21.335951377024912,"endHours":22.775602420559434,"quality":"neutral"},{"name":"Labha","start":"22:47","end":"00:13","startHours":22.775602420559434,"endHours":24.215253464093955,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:39","startHours":24.215253464093955,"endHours":25.654904507628476,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:06","startHours":25.654904507628476,"endHours":27.094555551162998,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:32","startHours":27.094555551162998,"endHours":28.534206594697523,"quality":"auspicious"},{"name":"Roga","start":"04:32","end":"05:58","startHours":28.534206594697523,"endHours":29.973857638232044,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.973857638232045,"endHours":6.973857638232045,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.973857638232045,"endHours":7.973857638232045,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.973857638232045,"endHours":8.973857638232044,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.973857638232044,"endHours":9.973857638232044,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.973857638232044,"endHours":10.973857638232044,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.973857638232044,"endHours":11.973857638232044,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.973857638232044,"endHours":12.973857638232044,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.973857638232044,"endHours":13.973857638232044,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.973857638232044,"endHours":14.973857638232044,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.973857638232044,"endHours":15.973857638232044,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.973857638232044,"endHours":16.973857638232044,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.973857638232044,"endHours":17.973857638232044,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.973857638232044,"endHours":18.973857638232044,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.973857638232044,"endHours":19.973857638232044,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.973857638232044,"endHours":20.973857638232044,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.973857638232044,"endHours":21.973857638232044,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.973857638232044,"endHours":22.973857638232044,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.973857638232044,"endHours":23.973857638232044,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.973857638232044,"endHours":24.973857638232044,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.973857638232044,"endHours":25.973857638232044,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.973857638232044,"endHours":26.973857638232044,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.973857638232044,"endHours":27.973857638232044,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.973857638232044,"endHours":28.973857638232044,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.973857638232044,"endHours":29.973857638232044,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","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":4.568993405229895,"eotMinutes":4.014392154362758,"ayanamsa":23.9884}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"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":"Siṃha (Āvaṇi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Saptamī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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, 2009 CE · Ṛṣikeśa · Vidhyamitra","description":"September 11, 2009 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 05:58, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2009-09-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2009-09-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2009-09-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2009-09-11","x-default":"https://vidhyamitra.com/city/rishikesh/2009-09-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:31:37.119Z","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":"2026-06-01T01:31:37.119Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:31:37.119Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}