{"id":"vidhyamitra:city-day:rishikesh:2086-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2086-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2086-09-18","date_display":"September 18, 2086 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":2086,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483216.770833,"kali_year":5188,"ahargana":1894751.2708,"sun":{"sidereal_longitude":149.6205,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":264.8347,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.2142,"elapsed_within_tithi_degrees":7.2142},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.8347,"elapsed_within_degrees":11.5014},"yoga":{"number":5,"name":"Śobhana","sum_longitude":54.4553},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2086,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483216.770833,"ahargana":1894751.2708,"kali_year":5188,"ayanamsa_lahiri":25.0643,"grahas":{"sun":{"sidereal_longitude":150.56251600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":262.463216,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":2.761},"mars":{"sidereal_longitude":60.425516000000016,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":173.54631600000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":128.830416,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":145.17701599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":3.322815999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":226.9595,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":46.9595,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2086,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483216.770833,"kali_year":5188,"ahargana":1894751.2708,"sun":{"sidereal_longitude":149.6205,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":264.8347,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.2142,"elapsed_within_tithi_degrees":7.2142},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.8347,"elapsed_within_degrees":11.5014},"yoga":{"number":5,"name":"Śobhana","sum_longitude":54.4553},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.761,"elongation":115.214},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.761,"opposition_distance":64.786}},"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":"18:18","solarNoonLocal":"12:10","dayLengthHours":12.262764181848675,"dayLengthDisplay":"12 Hours 15 Mins 46 Secs","nightLengthDisplay":"11 Hours 44 Mins 14 Secs","moonriseLocal":"14:30","moonsetLocal":"00:46","rahuKala":{"name":"Rāhu Kāla","start":"12:10","end":"13:42","startHours":12.171992963772094,"endHours":13.704838486503178,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:34","end":"09:06","startHours":7.57345639557884,"endHours":9.106301918309924,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:38","end":"12:10","startHours":10.63914744104101,"endHours":12.171992963772094,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:19","startHours":8.901922515279114,"endHours":9.310681321340736,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:53","startHours":6.551559380424784,"endHours":6.878566425274082,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:35","startHours":11.763234157710471,"endHours":12.580751769833718,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:13","startHours":4.405575648601266,"endHours":5.223093260724511,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:02","startHours":5.018713857693699,"endHours":6.040610872847756,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:02","startHours":14.215786994080206,"endHours":15.033304606203451,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.103375054696432,"endHours":18.50337505469643,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:49","startHours":18.30337505469643,"endHours":18.814323562273458,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.05337505469643,"endHours":19.80337505469643,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:35","startHours":23.76323415771047,"endHours":24.580751769833718,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:02","end":"07:34","startHours":6.040610872847756,"endHours":7.57345639557884,"quality":"auspicious"},{"name":"Amṛta","start":"07:34","end":"09:06","startHours":7.57345639557884,"endHours":9.106301918309924,"quality":"auspicious"},{"name":"Kāla","start":"09:06","end":"10:38","startHours":9.106301918309924,"endHours":10.63914744104101,"quality":"inauspicious"},{"name":"Śubha","start":"10:38","end":"12:10","startHours":10.63914744104101,"endHours":12.171992963772094,"quality":"auspicious"},{"name":"Roga","start":"12:10","end":"13:42","startHours":12.171992963772094,"endHours":13.704838486503178,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:14","startHours":13.704838486503178,"endHours":15.237684009234263,"quality":"inauspicious"},{"name":"Chala","start":"15:14","end":"16:46","startHours":15.237684009234263,"endHours":16.770529531965344,"quality":"neutral"},{"name":"Labha","start":"16:46","end":"18:18","startHours":16.770529531965344,"endHours":18.30337505469643,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:18","end":"19:46","startHours":18.30337505469643,"endHours":19.770529531965348,"quality":"inauspicious"},{"name":"Chala","start":"19:46","end":"21:14","startHours":19.770529531965348,"endHours":21.23768400923426,"quality":"neutral"},{"name":"Labha","start":"21:14","end":"22:42","startHours":21.23768400923426,"endHours":22.704838486503178,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:10","startHours":22.704838486503178,"endHours":24.171992963772094,"quality":"auspicious"},{"name":"Kāla","start":"00:10","end":"01:38","startHours":24.171992963772094,"endHours":25.63914744104101,"quality":"inauspicious"},{"name":"Śubha","start":"01:38","end":"03:06","startHours":25.63914744104101,"endHours":27.106301918309924,"quality":"auspicious"},{"name":"Roga","start":"03:06","end":"04:34","startHours":27.106301918309924,"endHours":28.57345639557884,"quality":"inauspicious"},{"name":"Udveg","start":"04:34","end":"06:02","startHours":28.57345639557884,"endHours":30.040610872847758,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.040610872847756,"endHours":7.040610872847756,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.040610872847756,"endHours":8.040610872847756,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.040610872847756,"endHours":9.040610872847756,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.040610872847756,"endHours":10.040610872847756,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.040610872847756,"endHours":11.040610872847756,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.040610872847756,"endHours":12.040610872847756,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.040610872847756,"endHours":13.040610872847756,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.040610872847756,"endHours":14.040610872847756,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.040610872847756,"endHours":15.040610872847756,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.040610872847756,"endHours":16.040610872847758,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.040610872847758,"endHours":17.040610872847758,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.040610872847758,"endHours":18.040610872847758,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.040610872847758,"endHours":19.040610872847758,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.040610872847758,"endHours":20.040610872847758,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.040610872847758,"endHours":21.040610872847758,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.040610872847758,"endHours":22.040610872847758,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.040610872847758,"endHours":23.040610872847758,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.040610872847758,"endHours":24.040610872847758,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.040610872847758,"endHours":25.040610872847758,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.040610872847758,"endHours":26.040610872847758,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.040610872847758,"endHours":27.040610872847758,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.040610872847758,"endHours":28.040610872847758,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.040610872847758,"endHours":29.040610872847758,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.040610872847758,"endHours":30.040610872847758,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.737935382296317,"eotMinutes":6.610022173674397,"ayanamsa":25.0643}},"calendars":{"vikram_samvat":2143,"vikram_samvatsara":"Siddhārthī","saka_samvat":2008,"saka_samvatsara":"Parābhava","bengali_samvat":1493,"malayalam_era":1262,"nanakshahi_year":617,"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":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Daśamī · Vikram 2143 Siddhārthī · Śaka 2008 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_ingress":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 18, 2086 CE · Ṛṣikeśa · Vidhyamitra","description":"September 18, 2086 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 06:02, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2086-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2086-09-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2086-09-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2086-09-18","x-default":"https://vidhyamitra.com/city/rishikesh/2086-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:34:42.576Z","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":"2026-05-31T19:34:42.577Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:34:42.577Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}