{"id":"vidhyamitra:city-day:rishikesh:2015-09-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2015-09-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-09-19","date_display":"September 19, 2015 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":2015,"month":9,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457284.770833,"kali_year":5117,"ahargana":1868819.2708,"sun":{"sidereal_longitude":150.9566,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":218.1994,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.2428,"elapsed_within_tithi_degrees":7.2428},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.1994,"elapsed_within_degrees":4.866},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.156},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2015,"month":9,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457284.770833,"ahargana":1868819.2708,"kali_year":5117,"ayanamsa_lahiri":24.0725,"grahas":{"sun":{"sidereal_longitude":151.72830899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":214.62140899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":3.783},"mars":{"sidereal_longitude":121.94360900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":171.79140900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":133.52330900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":112.87640899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":215.77000900000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":160.9616,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.9616,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"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":2015,"month":9,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457284.770833,"kali_year":5117,"ahargana":1868819.2708,"sun":{"sidereal_longitude":150.9566,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":218.1994,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.2428,"elapsed_within_tithi_degrees":7.2428},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.1994,"elapsed_within_degrees":4.866},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.156},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.783,"elongation":67.243},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.783,"opposition_distance":112.757}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":-1.372,"elongation":1.608},{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":0.154,"opposition_distance":1.236}]},"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":"06:02","sunsetLocal":"18:18","solarNoonLocal":"12:10","dayLengthHours":12.257418461854186,"dayLengthDisplay":"12 Hours 15 Mins 27 Secs","nightLengthDisplay":"11 Hours 44 Mins 33 Secs","moonriseLocal":"11:07","moonsetLocal":"21:36","rahuKala":{"name":"Rāhu Kāla","start":"09:06","end":"10:38","startHours":9.101484116412287,"endHours":10.633661424144059,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:14","startHours":13.698016039607605,"endHours":15.23019334733938,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:02","end":"07:34","startHours":6.03712950094874,"endHours":7.569306808680513,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.897193808714716,"endHours":9.305774424109856,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:52","startHours":6.547855270192664,"endHours":6.874719762508776,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:34","startHours":11.757258116480694,"endHours":12.574419347270974,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:13","startHours":4.402807039368181,"endHours":5.219968270158461,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:02","startHours":5.015677962460891,"endHours":6.03712950094874,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:02","startHours":14.208741808851531,"endHours":15.025903039641811,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.094547962802928,"endHours":18.494547962802926,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:48","startHours":18.294547962802927,"endHours":18.80527373204685,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.044547962802927,"endHours":19.794547962802927,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:34","startHours":23.757258116480696,"endHours":24.57441934727097,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:02","end":"07:34","startHours":6.03712950094874,"endHours":7.569306808680513,"quality":"inauspicious"},{"name":"Śubha","start":"07:34","end":"09:06","startHours":7.569306808680513,"endHours":9.101484116412287,"quality":"auspicious"},{"name":"Roga","start":"09:06","end":"10:38","startHours":9.101484116412287,"endHours":10.633661424144059,"quality":"inauspicious"},{"name":"Udveg","start":"10:38","end":"12:10","startHours":10.633661424144059,"endHours":12.165838731875834,"quality":"inauspicious"},{"name":"Chala","start":"12:10","end":"13:42","startHours":12.165838731875834,"endHours":13.698016039607605,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:14","startHours":13.698016039607605,"endHours":15.23019334733938,"quality":"auspicious"},{"name":"Amṛta","start":"15:14","end":"16:46","startHours":15.23019334733938,"endHours":16.76237065507115,"quality":"auspicious"},{"name":"Kāla","start":"16:46","end":"18:18","startHours":16.76237065507115,"endHours":18.294547962802927,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:18","end":"19:46","startHours":18.294547962802927,"endHours":19.76237065507115,"quality":"auspicious"},{"name":"Amṛta","start":"19:46","end":"21:14","startHours":19.76237065507115,"endHours":21.23019334733938,"quality":"auspicious"},{"name":"Kāla","start":"21:14","end":"22:42","startHours":21.23019334733938,"endHours":22.69801603960761,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:10","startHours":22.69801603960761,"endHours":24.165838731875834,"quality":"auspicious"},{"name":"Roga","start":"00:10","end":"01:38","startHours":24.165838731875834,"endHours":25.63366142414406,"quality":"inauspicious"},{"name":"Udveg","start":"01:38","end":"03:06","startHours":25.63366142414406,"endHours":27.101484116412287,"quality":"inauspicious"},{"name":"Chala","start":"03:06","end":"04:34","startHours":27.101484116412287,"endHours":28.569306808680516,"quality":"neutral"},{"name":"Labha","start":"04:34","end":"06:02","startHours":28.569306808680516,"endHours":30.03712950094874,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.03712950094874,"endHours":7.03712950094874,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.03712950094874,"endHours":8.03712950094874,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.03712950094874,"endHours":9.03712950094874,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.03712950094874,"endHours":10.03712950094874,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.03712950094874,"endHours":11.03712950094874,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.03712950094874,"endHours":12.03712950094874,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.03712950094874,"endHours":13.03712950094874,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.03712950094874,"endHours":14.03712950094874,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.03712950094874,"endHours":15.03712950094874,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.03712950094874,"endHours":16.03712950094874,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.03712950094874,"endHours":17.03712950094874,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.03712950094874,"endHours":18.03712950094874,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.03712950094874,"endHours":19.03712950094874,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.03712950094874,"endHours":20.03712950094874,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.03712950094874,"endHours":21.03712950094874,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.03712950094874,"endHours":22.03712950094874,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.03712950094874,"endHours":23.03712950094874,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.03712950094874,"endHours":24.03712950094874,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.03712950094874,"endHours":25.03712950094874,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.03712950094874,"endHours":26.03712950094874,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.03712950094874,"endHours":27.03712950094874,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.03712950094874,"endHours":28.03712950094874,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.03712950094874,"endHours":29.03712950094874,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.03712950094874,"endHours":30.03712950094874,"planetary_lord":"Mercury"}],"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":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":1.6688957786192817,"eotMinutes":6.979276087449932,"ayanamsa":24.0725}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ṣaṣṭhī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 19, 2015 CE · Ṛṣikeśa · Vidhyamitra","description":"September 19, 2015 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 06:02, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2015-09-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2015-09-19","sa":"https://sa.vidhyamitra.com/city/rishikesh/2015-09-19","hi":"https://hi.vidhyamitra.com/city/rishikesh/2015-09-19","x-default":"https://vidhyamitra.com/city/rishikesh/2015-09-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T22:10:04.446Z","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":"2026-05-15T22:10:04.446Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T22:10:04.446Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}