{"id":"vidhyamitra:city-day:rishikesh:2087-09-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2087-09-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2087-09-09","date_display":"September 9, 2087 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":2087,"month":9,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483572.770833,"kali_year":5189,"ahargana":1895107.2708,"sun":{"sidereal_longitude":140.6334,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":274.6395,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.0061,"elapsed_within_tithi_degrees":2.0061},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.6395,"elapsed_within_degrees":7.9728},"yoga":{"number":5,"name":"Śobhana","sum_longitude":55.2729},"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":2087,"month":9,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483572.770833,"ahargana":1895107.2708,"kali_year":5189,"ayanamsa_lahiri":25.0779,"grahas":{"sun":{"sidereal_longitude":141.55531399999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":274.82931400000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":4.1274},"mars":{"sidereal_longitude":167.94041400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":167.18631400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":150.58611399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":97.35171400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":17.759514000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":208.0969,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":28.0969,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"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":2087,"month":9,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483572.770833,"kali_year":5189,"ahargana":1895107.2708,"sun":{"sidereal_longitude":140.6334,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":274.6395,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.0061,"elapsed_within_tithi_degrees":2.0061},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.6395,"elapsed_within_degrees":7.9728},"yoga":{"number":5,"name":"Śobhana","sum_longitude":55.2729},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.127,"elongation":134.006},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.127,"opposition_distance":45.994}},"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":"05:58","sunsetLocal":"18:30","solarNoonLocal":"12:14","dayLengthHours":12.538055473552795,"dayLengthDisplay":"12 Hours 32 Mins 17 Secs","nightLengthDisplay":"11 Hours 27 Mins 43 Secs","moonriseLocal":"15:53","moonsetLocal":"02:21","rahuKala":{"name":"Rāhu Kāla","start":"15:22","end":"16:56","startHours":15.361983441334727,"endHours":16.929240375528828,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:06","end":"10:40","startHours":9.09295570455833,"endHours":10.66021263875243,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:48","startHours":12.227469572946529,"endHours":13.794726507140627,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.88398811333245,"endHours":9.30192329578421,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:49","startHours":6.4808608142348305,"endHours":6.815208960196238,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:39","startHours":11.809534390494768,"endHours":12.645404755398289,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:07","startHours":4.2867011063630915,"endHours":5.122571471266611,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:58","startHours":4.913603880040732,"endHours":5.958441836170131,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:09","startHours":14.317145485205327,"endHours":15.153015850108845,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.296497309722927,"endHours":18.696497309722925,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:01","startHours":18.496497309722926,"endHours":19.018916287787626,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.246497309722926,"endHours":19.996497309722926,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:39","startHours":23.80953439049477,"endHours":24.64540475539829,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:58","end":"07:32","startHours":5.958441836170131,"endHours":7.52569877036423,"quality":"inauspicious"},{"name":"Udveg","start":"07:32","end":"09:06","startHours":7.52569877036423,"endHours":9.09295570455833,"quality":"inauspicious"},{"name":"Chala","start":"09:06","end":"10:40","startHours":9.09295570455833,"endHours":10.66021263875243,"quality":"neutral"},{"name":"Labha","start":"10:40","end":"12:14","startHours":10.66021263875243,"endHours":12.227469572946529,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:48","startHours":12.227469572946529,"endHours":13.794726507140627,"quality":"auspicious"},{"name":"Kāla","start":"13:48","end":"15:22","startHours":13.794726507140627,"endHours":15.361983441334727,"quality":"inauspicious"},{"name":"Śubha","start":"15:22","end":"16:56","startHours":15.361983441334727,"endHours":16.929240375528828,"quality":"auspicious"},{"name":"Roga","start":"16:56","end":"18:30","startHours":16.929240375528828,"endHours":18.496497309722926,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:30","end":"19:56","startHours":18.496497309722926,"endHours":19.929240375528828,"quality":"inauspicious"},{"name":"Śubha","start":"19:56","end":"21:22","startHours":19.929240375528828,"endHours":21.36198344133473,"quality":"auspicious"},{"name":"Roga","start":"21:22","end":"22:48","startHours":21.36198344133473,"endHours":22.794726507140627,"quality":"inauspicious"},{"name":"Udveg","start":"22:48","end":"00:14","startHours":22.794726507140627,"endHours":24.22746957294653,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:40","startHours":24.22746957294653,"endHours":25.66021263875243,"quality":"neutral"},{"name":"Labha","start":"01:40","end":"03:06","startHours":25.66021263875243,"endHours":27.092955704558328,"quality":"auspicious"},{"name":"Amṛta","start":"03:06","end":"04:32","startHours":27.092955704558328,"endHours":28.52569877036423,"quality":"auspicious"},{"name":"Kāla","start":"04:32","end":"05:58","startHours":28.52569877036423,"endHours":29.95844183617013,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.958441836170131,"endHours":6.958441836170131,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.958441836170131,"endHours":7.958441836170131,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.958441836170131,"endHours":8.958441836170131,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.958441836170131,"endHours":9.958441836170131,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.958441836170131,"endHours":10.958441836170131,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.958441836170131,"endHours":11.958441836170131,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.958441836170131,"endHours":12.958441836170131,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.958441836170131,"endHours":13.958441836170131,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.958441836170131,"endHours":14.958441836170131,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.958441836170131,"endHours":15.958441836170131,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.958441836170131,"endHours":16.95844183617013,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.95844183617013,"endHours":17.95844183617013,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.95844183617013,"endHours":18.95844183617013,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.95844183617013,"endHours":19.95844183617013,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.95844183617013,"endHours":20.95844183617013,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.95844183617013,"endHours":21.95844183617013,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.95844183617013,"endHours":22.95844183617013,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.95844183617013,"endHours":23.95844183617013,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.95844183617013,"endHours":24.95844183617013,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.95844183617013,"endHours":25.95844183617013,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.95844183617013,"endHours":26.95844183617013,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.95844183617013,"endHours":27.95844183617013,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.95844183617013,"endHours":28.95844183617013,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.95844183617013,"endHours":29.95844183617013,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":5.275762434919937,"eotMinutes":3.2814256232083188,"ayanamsa":25.0779}},"calendars":{"vikram_samvat":2144,"vikram_samvatsara":"Raudra","saka_samvat":2009,"saka_samvatsara":"Plavaṅga","bengali_samvat":1494,"malayalam_era":1263,"nanakshahi_year":618,"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 2144 Raudra · Śaka 2009 Plavaṅga"},"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"]}],"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 9, 2087 CE · Ṛṣikeśa · Vidhyamitra","description":"September 9, 2087 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 05:58, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2087-09-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2087-09-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/2087-09-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/2087-09-09","x-default":"https://vidhyamitra.com/city/rishikesh/2087-09-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:31:33.463Z","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":"2026-06-03T02:31:33.463Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:31:33.463Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}