{"id":"vidhyamitra:city-day:rishikesh:2165-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2165-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2165-09-17","date_display":"September 17, 2165 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":2165,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512069.770833,"kali_year":5267,"ahargana":1923604.2708,"sun":{"sidereal_longitude":147.2452,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":283.7548,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.5096,"elapsed_within_tithi_degrees":4.5096},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":283.7548,"elapsed_within_degrees":3.7548},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2165,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512069.770833,"ahargana":1923604.2708,"kali_year":5267,"ayanamsa_lahiri":26.1678,"grahas":{"sun":{"sidereal_longitude":148.375019,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":282.50011900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":2.5428},"mars":{"sidereal_longitude":59.21871900000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":170.196419,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":5.9722189999999955,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":192.394719,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":243.95311900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":138.1887,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.1887,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2165,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512069.770833,"kali_year":5267,"ahargana":1923604.2708,"sun":{"sidereal_longitude":147.2452,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":283.7548,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.5096,"elapsed_within_tithi_degrees":4.5096},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":283.7548,"elapsed_within_degrees":3.7548},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.543,"elongation":136.51},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.543,"opposition_distance":43.49}},"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":"06:02","sunsetLocal":"18:20","solarNoonLocal":"12:11","dayLengthHours":12.296060057096192,"dayLengthDisplay":"12 Hours 17 Mins 46 Secs","nightLengthDisplay":"11 Hours 42 Mins 14 Secs","moonriseLocal":"15:48","moonsetLocal":"02:26","rahuKala":{"name":"Rāhu Kāla","start":"15:15","end":"16:47","startHours":15.252182285017918,"endHours":16.789189792154943,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:06","end":"10:38","startHours":9.104152256469822,"endHours":10.641159763606847,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.715174777880893,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:19","startHours":8.899217922184885,"endHours":9.30908659075476,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:52","startHours":6.542473077908116,"endHours":6.870368012764014,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:35","startHours":11.768298602173997,"endHours":12.588035939313743,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:13","startHours":4.390662567916282,"endHours":5.210399905056028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"06:02","startHours":5.005465570771092,"endHours":6.030137242195774,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:03","startHours":14.227510613593235,"endHours":15.04724795073298,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.126197299291967,"endHours":18.526197299291965,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:50","startHours":18.326197299291966,"endHours":18.838533135004308,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.076197299291966,"endHours":19.826197299291966,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:35","startHours":23.768298602173996,"endHours":24.588035939313745,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:02","end":"07:34","startHours":6.030137242195774,"endHours":7.567144749332798,"quality":"inauspicious"},{"name":"Udveg","start":"07:34","end":"09:06","startHours":7.567144749332798,"endHours":9.104152256469822,"quality":"inauspicious"},{"name":"Chala","start":"09:06","end":"10:38","startHours":9.104152256469822,"endHours":10.641159763606847,"quality":"neutral"},{"name":"Labha","start":"10:38","end":"12:11","startHours":10.641159763606847,"endHours":12.17816727074387,"quality":"auspicious"},{"name":"Amṛta","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.715174777880893,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:15","startHours":13.715174777880893,"endHours":15.252182285017918,"quality":"inauspicious"},{"name":"Śubha","start":"15:15","end":"16:47","startHours":15.252182285017918,"endHours":16.789189792154943,"quality":"auspicious"},{"name":"Roga","start":"16:47","end":"18:20","startHours":16.789189792154943,"endHours":18.326197299291966,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:20","end":"19:47","startHours":18.326197299291966,"endHours":19.789189792154943,"quality":"inauspicious"},{"name":"Śubha","start":"19:47","end":"21:15","startHours":19.789189792154943,"endHours":21.252182285017916,"quality":"auspicious"},{"name":"Roga","start":"21:15","end":"22:43","startHours":21.252182285017916,"endHours":22.715174777880893,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:11","startHours":22.715174777880893,"endHours":24.17816727074387,"quality":"inauspicious"},{"name":"Chala","start":"00:11","end":"01:38","startHours":24.17816727074387,"endHours":25.641159763606847,"quality":"neutral"},{"name":"Labha","start":"01:38","end":"03:06","startHours":25.641159763606847,"endHours":27.104152256469824,"quality":"auspicious"},{"name":"Amṛta","start":"03:06","end":"04:34","startHours":27.104152256469824,"endHours":28.567144749332797,"quality":"auspicious"},{"name":"Kāla","start":"04:34","end":"06:02","startHours":28.567144749332797,"endHours":30.030137242195774,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.030137242195774,"endHours":7.030137242195774,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.030137242195774,"endHours":8.030137242195774,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.030137242195774,"endHours":9.030137242195774,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.030137242195774,"endHours":10.030137242195774,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.030137242195774,"endHours":11.030137242195774,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.030137242195774,"endHours":12.030137242195774,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.030137242195774,"endHours":13.030137242195774,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.030137242195774,"endHours":14.030137242195774,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.030137242195774,"endHours":15.030137242195774,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.030137242195774,"endHours":16.030137242195774,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.030137242195774,"endHours":17.030137242195774,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.030137242195774,"endHours":18.030137242195774,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.030137242195774,"endHours":19.030137242195774,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.030137242195774,"endHours":20.030137242195774,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.030137242195774,"endHours":21.030137242195774,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.030137242195774,"endHours":22.030137242195774,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.030137242195774,"endHours":23.030137242195774,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.030137242195774,"endHours":24.030137242195774,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.030137242195774,"endHours":25.030137242195774,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.030137242195774,"endHours":26.030137242195774,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.030137242195774,"endHours":27.030137242195774,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.030137242195774,"endHours":28.030137242195774,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.030137242195774,"endHours":29.030137242195774,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.030137242195774,"endHours":30.030137242195774,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.167734932455617,"eotMinutes":6.239563755367786,"ayanamsa":26.1678}},"calendars":{"vikram_samvat":2222,"vikram_samvatsara":"Bahudhānya","saka_samvat":2087,"saka_samvatsara":"Krodhana","bengali_samvat":1572,"malayalam_era":1341,"nanakshahi_year":696,"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 Dvādaśī · Vikram 2222 Bahudhānya · Śaka 2087 Krodhana"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]},{"id":"onam","name":"Onam (Vāmana / King Bali)","name_sanskrit":"ओणम् (वामन-बलि स्मरण)","tradition":"Regional","associated_deity":"Vāmana + King Bali","significance":"Kerala festival; King Bali's annual return to Kerala. Aligned with Thiru-Onam (Śravaṇa nakshatra in Bhādrapada).","vrata":false,"detection":{"nakshatra_name":"Śravaṇa","lunar_month":"Bhādrapada"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 17, 2165 CE · Ṛṣikeśa · Vidhyamitra","description":"September 17, 2165 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 06:02, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2165-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2165-09-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2165-09-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2165-09-17","x-default":"https://vidhyamitra.com/city/rishikesh/2165-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:24:03.104Z","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":"2026-06-01T06:24:03.104Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:24:03.104Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}