{"id":"vidhyamitra:city-day:rishikesh:1899-09-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1899-09-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1899-09-11","date_display":"September 11, 1899 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":1899,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414908.770833,"kali_year":5001,"ahargana":1826443.2708,"sun":{"sidereal_longitude":145.1367,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":215.637,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.5004,"elapsed_within_tithi_degrees":10.5004},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.637,"elapsed_within_degrees":2.3037},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.7737},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1899,"month":9,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414908.770833,"ahargana":1826443.2708,"kali_year":5001,"ayanamsa_lahiri":22.4518,"grahas":{"sun":{"sidereal_longitude":145.614684,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":212.86628399999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-2.2895},"mars":{"sidereal_longitude":182.12718399999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":130.787984,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":196.58458399999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":145.60328400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":236.12858400000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":246.2461,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.2461,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1899,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414908.770833,"kali_year":5001,"ahargana":1826443.2708,"sun":{"sidereal_longitude":145.1367,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":215.637,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.5004,"elapsed_within_tithi_degrees":10.5004},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.637,"elapsed_within_degrees":2.3037},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.7737},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.29,"elongation":70.5},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.29,"opposition_distance":109.5}},"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":"18:28","solarNoonLocal":"12:13","dayLengthHours":12.494385035666667,"dayLengthDisplay":"12 Hours 29 Mins 40 Secs","nightLengthDisplay":"11 Hours 30 Mins 20 Secs","moonriseLocal":"11:25","moonsetLocal":"21:59","rahuKala":{"name":"Rāhu Kāla","start":"07:32","end":"09:05","startHours":7.529859075718956,"endHours":9.091657205177288,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:39","end":"12:13","startHours":10.653455334635623,"endHours":12.215253464093955,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:47","end":"15:20","startHours":13.77705159355229,"endHours":15.338849723010622,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.883417454582844,"endHours":9.299896955771734,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:49","startHours":6.488660322746734,"endHours":6.821843923697845,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.798773962905067,"endHours":12.631732965282843,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:08","startHours":4.302142941505067,"endHours":5.1351019438828445,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:58","startHours":4.9268621932884,"endHours":5.968060946260622,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.2976509700384,"endHours":15.13060997241618,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.26244598192729,"endHours":18.662445981927288,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:59","startHours":18.46244598192729,"endHours":18.9830453584134,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.21244598192729,"endHours":19.96244598192729,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.798773962905067,"endHours":24.631732965282843,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:58","end":"07:32","startHours":5.968060946260622,"endHours":7.529859075718956,"quality":"auspicious"},{"name":"Kāla","start":"07:32","end":"09:05","startHours":7.529859075718956,"endHours":9.091657205177288,"quality":"inauspicious"},{"name":"Śubha","start":"09:05","end":"10:39","startHours":9.091657205177288,"endHours":10.653455334635623,"quality":"auspicious"},{"name":"Roga","start":"10:39","end":"12:13","startHours":10.653455334635623,"endHours":12.215253464093955,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:47","startHours":12.215253464093955,"endHours":13.77705159355229,"quality":"inauspicious"},{"name":"Chala","start":"13:47","end":"15:20","startHours":13.77705159355229,"endHours":15.338849723010622,"quality":"neutral"},{"name":"Labha","start":"15:20","end":"16:54","startHours":15.338849723010622,"endHours":16.900647852468957,"quality":"auspicious"},{"name":"Amṛta","start":"16:54","end":"18:28","startHours":16.900647852468957,"endHours":18.46244598192729,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:28","end":"19:54","startHours":18.46244598192729,"endHours":19.900647852468957,"quality":"neutral"},{"name":"Labha","start":"19:54","end":"21:20","startHours":19.900647852468957,"endHours":21.33884972301062,"quality":"auspicious"},{"name":"Amṛta","start":"21:20","end":"22:47","startHours":21.33884972301062,"endHours":22.777051593552287,"quality":"auspicious"},{"name":"Kāla","start":"22:47","end":"00:13","startHours":22.777051593552287,"endHours":24.215253464093955,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:39","startHours":24.215253464093955,"endHours":25.653455334635623,"quality":"auspicious"},{"name":"Roga","start":"01:39","end":"03:05","startHours":25.653455334635623,"endHours":27.091657205177288,"quality":"inauspicious"},{"name":"Udveg","start":"03:05","end":"04:32","startHours":27.091657205177288,"endHours":28.529859075718953,"quality":"inauspicious"},{"name":"Chala","start":"04:32","end":"05:58","startHours":28.529859075718953,"endHours":29.96806094626062,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.968060946260622,"endHours":6.968060946260622,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.968060946260622,"endHours":7.968060946260622,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.968060946260622,"endHours":8.968060946260621,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.968060946260621,"endHours":9.968060946260621,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.968060946260621,"endHours":10.968060946260621,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.968060946260621,"endHours":11.968060946260621,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.968060946260621,"endHours":12.968060946260621,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.968060946260621,"endHours":13.968060946260621,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.968060946260621,"endHours":14.968060946260621,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.968060946260621,"endHours":15.968060946260621,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.968060946260621,"endHours":16.96806094626062,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.96806094626062,"endHours":17.96806094626062,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.96806094626062,"endHours":18.96806094626062,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.96806094626062,"endHours":19.96806094626062,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.96806094626062,"endHours":20.96806094626062,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.96806094626062,"endHours":21.96806094626062,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.96806094626062,"endHours":22.96806094626062,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.96806094626062,"endHours":23.96806094626062,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.96806094626062,"endHours":24.96806094626062,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.96806094626062,"endHours":25.96806094626062,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.96806094626062,"endHours":26.96806094626062,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.96806094626062,"endHours":27.96806094626062,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.96806094626062,"endHours":28.96806094626062,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.96806094626062,"endHours":29.96806094626062,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara 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":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","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":4.71743291139681,"eotMinutes":4.014392154362758,"ayanamsa":22.4518}},"calendars":{"vikram_samvat":1956,"vikram_samvatsara":"Paridhāvi","saka_samvat":1821,"saka_samvatsara":"Vikāri","bengali_samvat":1306,"malayalam_era":1075,"nanakshahi_year":430,"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 Ṣaṣṭhī · Vikram 1956 Paridhāvi · Śaka 1821 Vikāri"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"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":[]},"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, 1899 CE · Ṛṣikeśa · Vidhyamitra","description":"September 11, 1899 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 05:58, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1899-09-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1899-09-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/1899-09-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/1899-09-11","x-default":"https://vidhyamitra.com/city/rishikesh/1899-09-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:49:45.548Z","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":"2026-06-01T00:49:45.548Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:49:45.548Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}