{"id":"vidhyamitra:city-day:rishikesh:2026-10-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2026-10-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-10-08","date_display":"October 8, 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":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461321.770833,"kali_year":5128,"ahargana":1872856.2708,"sun":{"sidereal_longitude":169.7449,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":138.5292,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.7843,"elapsed_within_tithi_degrees":4.7843},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.5292,"elapsed_within_degrees":5.1959},"yoga":{"number":24,"name":"Śukla","sum_longitude":308.2741},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461321.770833,"ahargana":1872856.2708,"kali_year":5128,"ayanamsa_lahiri":24.2269,"grahas":{"sun":{"sidereal_longitude":170.55306599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":138.434866,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-0.8938},"mars":{"sidereal_longitude":101.17456600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":194.90666599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":116.37636599999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":193.573266,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":346.839266,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":307.062,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":127.062,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461321.770833,"kali_year":5128,"ahargana":1872856.2708,"sun":{"sidereal_longitude":169.7449,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":138.5292,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.7843,"elapsed_within_tithi_degrees":4.7843},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.5292,"elapsed_within_degrees":5.1959},"yoga":{"number":24,"name":"Śukla","sum_longitude":308.2741},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.894,"elongation":31.216},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.894,"opposition_distance":148.784}},"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":"06:13","sunsetLocal":"17:54","solarNoonLocal":"12:04","dayLengthHours":11.67750529084791,"dayLengthDisplay":"11 Hours 40 Mins 39 Secs","nightLengthDisplay":"12 Hours 19 Mins 21 Secs","moonriseLocal":"03:37","moonsetLocal":"16:14","rahuKala":{"name":"Rāhu Kāla","start":"13:31","end":"14:59","startHours":13.521359574229928,"endHours":14.981047735585916,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:13","end":"07:41","startHours":6.222918767449984,"endHours":7.682606928805973,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:36","startHours":9.142295090161962,"endHours":10.60198325151795,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:20","startHours":8.947670001981162,"endHours":9.33692017834276,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:01","startHours":6.70948148790198,"endHours":7.020881628991258,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:27","startHours":11.672421236512342,"endHours":12.450921589235538,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:27","startHours":4.6659180620035965,"endHours":5.4444184147267904,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:13","startHours":5.249793326545992,"endHours":6.222918767449984,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:47","startHours":14.007922294681924,"endHours":14.786422647405118,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.700424058297894,"endHours":18.100424058297893,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:23","startHours":17.900424058297894,"endHours":18.38698677874989,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.650424058297894,"endHours":19.400424058297894,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:27","startHours":23.672421236512346,"endHours":24.450921589235538,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:13","end":"07:41","startHours":6.222918767449984,"endHours":7.682606928805973,"quality":"auspicious"},{"name":"Roga","start":"07:41","end":"09:09","startHours":7.682606928805973,"endHours":9.142295090161962,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:36","startHours":9.142295090161962,"endHours":10.60198325151795,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:04","startHours":10.60198325151795,"endHours":12.061671412873938,"quality":"neutral"},{"name":"Labha","start":"12:04","end":"13:31","startHours":12.061671412873938,"endHours":13.521359574229928,"quality":"auspicious"},{"name":"Amṛta","start":"13:31","end":"14:59","startHours":13.521359574229928,"endHours":14.981047735585916,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:26","startHours":14.981047735585916,"endHours":16.440735896941906,"quality":"inauspicious"},{"name":"Śubha","start":"16:26","end":"17:54","startHours":16.440735896941906,"endHours":17.900424058297894,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:54","end":"19:26","startHours":17.900424058297894,"endHours":19.440735896941906,"quality":"auspicious"},{"name":"Kāla","start":"19:26","end":"20:59","startHours":19.440735896941906,"endHours":20.981047735585918,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:31","startHours":20.981047735585918,"endHours":22.521359574229926,"quality":"auspicious"},{"name":"Roga","start":"22:31","end":"00:04","startHours":22.521359574229926,"endHours":24.061671412873938,"quality":"inauspicious"},{"name":"Udveg","start":"00:04","end":"01:36","startHours":24.061671412873938,"endHours":25.60198325151795,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:09","startHours":25.60198325151795,"endHours":27.142295090161962,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:41","startHours":27.142295090161962,"endHours":28.682606928805974,"quality":"auspicious"},{"name":"Amṛta","start":"04:41","end":"06:13","startHours":28.682606928805974,"endHours":30.222918767449983,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.222918767449984,"endHours":7.222918767449984,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.222918767449984,"endHours":8.222918767449984,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.222918767449984,"endHours":9.222918767449984,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.222918767449984,"endHours":10.222918767449984,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.222918767449984,"endHours":11.222918767449984,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.222918767449984,"endHours":12.222918767449984,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.222918767449984,"endHours":13.222918767449984,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.222918767449984,"endHours":14.222918767449984,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.222918767449984,"endHours":15.222918767449984,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.222918767449984,"endHours":16.222918767449983,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.222918767449983,"endHours":17.222918767449983,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.222918767449983,"endHours":18.222918767449983,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.222918767449983,"endHours":19.222918767449983,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.222918767449983,"endHours":20.222918767449983,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.222918767449983,"endHours":21.222918767449983,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.222918767449983,"endHours":22.222918767449983,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.222918767449983,"endHours":23.222918767449983,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.222918767449983,"endHours":24.222918767449983,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.222918767449983,"endHours":25.222918767449983,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.222918767449983,"endHours":26.222918767449983,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.222918767449983,"endHours":27.222918767449983,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.222918767449983,"endHours":28.222918767449983,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.222918767449983,"endHours":29.222918767449983,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.222918767449983,"endHours":30.222918767449983,"planetary_lord":"Moon"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"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":-5.8235152906138525,"eotMinutes":13.229315227563635,"ayanamsa":24.2269}},"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 Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · 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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 8, 2026 CE · Ṛṣikeśa · Vidhyamitra","description":"October 8, 2026 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:13, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2026-10-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2026-10-08","sa":"https://sa.vidhyamitra.com/city/rishikesh/2026-10-08","hi":"https://hi.vidhyamitra.com/city/rishikesh/2026-10-08","x-default":"https://vidhyamitra.com/city/rishikesh/2026-10-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:57:52.181Z","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":"2026-05-14T21:57:52.181Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:57:52.181Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}