{"id":"vidhyamitra:city-day:rishikesh:2026-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2026-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-10-17","date_display":"October 17, 2026 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":2026,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461330.770833,"kali_year":5128,"ahargana":1872865.2708,"sun":{"sidereal_longitude":178.6615,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":253.5098,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.8483,"elapsed_within_tithi_degrees":2.8483},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.5098,"elapsed_within_degrees":0.1765},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.1714},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2026,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461330.770833,"ahargana":1872865.2708,"kali_year":5128,"ayanamsa_lahiri":24.2273,"grahas":{"sun":{"sidereal_longitude":179.45782200000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":251.74742199999991,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-3.5961},"mars":{"sidereal_longitude":106.18722200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":203.69732199999999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":117.82192200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":190.34342199999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":346.145722,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":306.5851,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":126.5851,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461330.770833,"kali_year":5128,"ahargana":1872865.2708,"sun":{"sidereal_longitude":178.6615,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":253.5098,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.8483,"elapsed_within_tithi_degrees":2.8483},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.5098,"elapsed_within_degrees":0.1765},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.1714},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.596,"elongation":74.848},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.596,"opposition_distance":105.152}},"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":"06:19","sunsetLocal":"17:44","solarNoonLocal":"12:02","dayLengthHours":11.413076488442396,"dayLengthDisplay":"11 Hours 24 Mins 47 Secs","nightLengthDisplay":"12 Hours 35 Mins 13 Secs","moonriseLocal":"11:46","moonsetLocal":"21:56","rahuKala":{"name":"Rāhu Kāla","start":"09:11","end":"10:36","startHours":9.175100551855603,"endHours":10.601735112910902,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:53","startHours":13.455004235021502,"endHours":14.8816387960768,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:19","end":"07:45","startHours":6.321831429745004,"endHours":7.7484659908003035,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:22","startHours":8.984882610381563,"endHours":9.365318493329642,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:06","startHours":6.797376283430103,"endHours":7.1017249897885675,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:25","startHours":11.647933791018122,"endHours":12.408805556914281,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:34","startHours":4.800087897952684,"endHours":5.560959663848844,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:19","startHours":5.370741722374804,"endHours":6.321831429745004,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:41","startHours":13.930549088706602,"endHours":14.691420854602763,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.5349079181874,"endHours":17.9349079181874,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:13","startHours":17.7349079181874,"endHours":18.2104527718725,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.4849079181874,"endHours":19.2349079181874,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:25","startHours":23.647933791018122,"endHours":24.408805556914285,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:19","end":"07:45","startHours":6.321831429745004,"endHours":7.7484659908003035,"quality":"inauspicious"},{"name":"Śubha","start":"07:45","end":"09:11","startHours":7.7484659908003035,"endHours":9.175100551855603,"quality":"auspicious"},{"name":"Roga","start":"09:11","end":"10:36","startHours":9.175100551855603,"endHours":10.601735112910902,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:02","startHours":10.601735112910902,"endHours":12.028369673966202,"quality":"inauspicious"},{"name":"Chala","start":"12:02","end":"13:27","startHours":12.028369673966202,"endHours":13.455004235021502,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:53","startHours":13.455004235021502,"endHours":14.8816387960768,"quality":"auspicious"},{"name":"Amṛta","start":"14:53","end":"16:18","startHours":14.8816387960768,"endHours":16.3082733571321,"quality":"auspicious"},{"name":"Kāla","start":"16:18","end":"17:44","startHours":16.3082733571321,"endHours":17.7349079181874,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:44","end":"19:18","startHours":17.7349079181874,"endHours":19.3082733571321,"quality":"auspicious"},{"name":"Amṛta","start":"19:18","end":"20:53","startHours":19.3082733571321,"endHours":20.8816387960768,"quality":"auspicious"},{"name":"Kāla","start":"20:53","end":"22:27","startHours":20.8816387960768,"endHours":22.4550042350215,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"00:02","startHours":22.4550042350215,"endHours":24.028369673966203,"quality":"auspicious"},{"name":"Roga","start":"00:02","end":"01:36","startHours":24.028369673966203,"endHours":25.6017351129109,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:11","startHours":25.6017351129109,"endHours":27.175100551855603,"quality":"inauspicious"},{"name":"Chala","start":"03:11","end":"04:45","startHours":27.175100551855603,"endHours":28.748465990800305,"quality":"neutral"},{"name":"Labha","start":"04:45","end":"06:19","startHours":28.748465990800305,"endHours":30.321831429745004,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.321831429745004,"endHours":7.321831429745004,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.321831429745004,"endHours":8.321831429745004,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.321831429745004,"endHours":9.321831429745004,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.321831429745004,"endHours":10.321831429745004,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.321831429745004,"endHours":11.321831429745004,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.321831429745004,"endHours":12.321831429745004,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.321831429745004,"endHours":13.321831429745004,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.321831429745004,"endHours":14.321831429745004,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.321831429745004,"endHours":15.321831429745004,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.321831429745004,"endHours":16.321831429745004,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.321831429745004,"endHours":17.321831429745004,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.321831429745004,"endHours":18.321831429745004,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.321831429745004,"endHours":19.321831429745004,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.321831429745004,"endHours":20.321831429745004,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.321831429745004,"endHours":21.321831429745004,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.321831429745004,"endHours":22.321831429745004,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.321831429745004,"endHours":23.321831429745004,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.321831429745004,"endHours":24.321831429745004,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.321831429745004,"endHours":25.321831429745004,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.321831429745004,"endHours":26.321831429745004,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.321831429745004,"endHours":27.321831429745004,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.321831429745004,"endHours":28.321831429745004,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.321831429745004,"endHours":29.321831429745004,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.321831429745004,"endHours":30.321831429745004,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.193726625686722,"eotMinutes":15.227419562027912,"ayanamsa":24.2273}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Saptamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"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 October 17, 2026 CE · Ṛṣikeśa · Vidhyamitra","description":"October 17, 2026 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 06:19, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2026-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2026-10-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2026-10-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2026-10-17","x-default":"https://vidhyamitra.com/city/rishikesh/2026-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:52:34.866Z","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":"2026-05-14T19:52:34.866Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:52:34.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}