{"id":"vidhyamitra:city-day:rishikesh:2115-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2115-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2115-09-27","date_display":"September 27, 2115 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":2115,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493816.770833,"kali_year":5217,"ahargana":1905351.2708,"sun":{"sidereal_longitude":156.9369,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":259.3662,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.4293,"elapsed_within_tithi_degrees":6.4293},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.3662,"elapsed_within_degrees":6.0329},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.3032},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2115,"month":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2493816.770833,"ahargana":1905351.2708,"kali_year":5217,"ayanamsa_lahiri":25.4697,"grahas":{"sun":{"sidereal_longitude":157.96021799999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":260.526018,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-3.6414},"mars":{"sidereal_longitude":156.543318,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":138.82491800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":265.290618,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":175.20641799999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":356.211018,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":25.3205,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.3205,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2115,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493816.770833,"kali_year":5217,"ahargana":1905351.2708,"sun":{"sidereal_longitude":156.9369,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":259.3662,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.4293,"elapsed_within_tithi_degrees":6.4293},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.3662,"elapsed_within_degrees":6.0329},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.3032},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.641,"elongation":102.429},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.641,"opposition_distance":77.571}},"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":"06:06","sunsetLocal":"18:08","solarNoonLocal":"12:07","dayLengthHours":12.023042728473477,"dayLengthDisplay":"12 Hours 01 Mins 23 Secs","nightLengthDisplay":"11 Hours 58 Mins 37 Secs","moonriseLocal":"13:50","moonsetLocal":"00:05","rahuKala":{"name":"Rāhu Kāla","start":"10:37","end":"12:07","startHours":10.615266899028846,"endHours":12.118147240088032,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:07","end":"16:38","startHours":15.1239079222064,"endHours":16.626788263265585,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:37","end":"09:07","startHours":7.609506216910477,"endHours":9.11238655796966,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.912002512495103,"endHours":9.31277060344422,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.607585989537687,"endHours":6.92820046229698,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.717379149138916,"endHours":12.518915331037148,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:18","startHours":4.503553512054829,"endHours":5.30508969395306,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:06","startHours":5.104705648478502,"endHours":6.106625875851292,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.12198769483361,"endHours":14.923523876731842,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.92966860432477,"endHours":18.32966860432477,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.12966860432477,"endHours":18.630628718011167,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.87966860432477,"endHours":19.62966860432477,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.717379149138917,"endHours":24.518915331037146,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:06","end":"07:37","startHours":6.106625875851292,"endHours":7.609506216910477,"quality":"neutral"},{"name":"Labha","start":"07:37","end":"09:07","startHours":7.609506216910477,"endHours":9.11238655796966,"quality":"auspicious"},{"name":"Amṛta","start":"09:07","end":"10:37","startHours":9.11238655796966,"endHours":10.615266899028846,"quality":"auspicious"},{"name":"Kāla","start":"10:37","end":"12:07","startHours":10.615266899028846,"endHours":12.118147240088032,"quality":"inauspicious"},{"name":"Śubha","start":"12:07","end":"13:37","startHours":12.118147240088032,"endHours":13.621027581147215,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"15:07","startHours":13.621027581147215,"endHours":15.1239079222064,"quality":"inauspicious"},{"name":"Udveg","start":"15:07","end":"16:38","startHours":15.1239079222064,"endHours":16.626788263265585,"quality":"inauspicious"},{"name":"Chala","start":"16:38","end":"18:08","startHours":16.626788263265585,"endHours":18.12966860432477,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:08","end":"19:38","startHours":18.12966860432477,"endHours":19.626788263265585,"quality":"inauspicious"},{"name":"Udveg","start":"19:38","end":"21:07","startHours":19.626788263265585,"endHours":21.1239079222064,"quality":"inauspicious"},{"name":"Chala","start":"21:07","end":"22:37","startHours":21.1239079222064,"endHours":22.621027581147217,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:07","startHours":22.621027581147217,"endHours":24.11814724008803,"quality":"auspicious"},{"name":"Amṛta","start":"00:07","end":"01:37","startHours":24.11814724008803,"endHours":25.615266899028846,"quality":"auspicious"},{"name":"Kāla","start":"01:37","end":"03:07","startHours":25.615266899028846,"endHours":27.112386557969664,"quality":"inauspicious"},{"name":"Śubha","start":"03:07","end":"04:37","startHours":27.112386557969664,"endHours":28.60950621691048,"quality":"auspicious"},{"name":"Roga","start":"04:37","end":"06:06","startHours":28.60950621691048,"endHours":30.106625875851293,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.106625875851292,"endHours":7.106625875851292,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.106625875851292,"endHours":8.106625875851293,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.106625875851293,"endHours":9.106625875851293,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.106625875851293,"endHours":10.106625875851293,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.106625875851293,"endHours":11.106625875851293,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.106625875851293,"endHours":12.106625875851293,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.106625875851293,"endHours":13.106625875851293,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.106625875851293,"endHours":14.106625875851293,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.106625875851293,"endHours":15.106625875851293,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.106625875851293,"endHours":16.106625875851293,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.106625875851293,"endHours":17.106625875851293,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.106625875851293,"endHours":18.106625875851293,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.106625875851293,"endHours":19.106625875851293,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.106625875851293,"endHours":20.106625875851293,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.106625875851293,"endHours":21.106625875851293,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.106625875851293,"endHours":22.106625875851293,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.106625875851293,"endHours":23.106625875851293,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.106625875851293,"endHours":24.106625875851293,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.106625875851293,"endHours":25.106625875851293,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.106625875851293,"endHours":26.106625875851293,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.106625875851293,"endHours":27.106625875851293,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.106625875851293,"endHours":28.106625875851293,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.106625875851293,"endHours":29.106625875851293,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.106625875851293,"endHours":30.106625875851293,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","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":-1.3635037782093145,"eotMinutes":9.840765594718077,"ayanamsa":25.4697}},"calendars":{"vikram_samvat":2172,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2037,"saka_samvatsara":"Yuva","bengali_samvat":1522,"malayalam_era":1291,"nanakshahi_year":646,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Navamī · Vikram 2172 Sarvadhāri · Śaka 2037 Yuva"},"festivals":[{"id":"mahanavami","name":"Mahā-Navamī","name_sanskrit":"महानवमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"9th day of Śāradīya Navrātri; Devī's final victory.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 27, 2115 CE · Ṛṣikeśa · Vidhyamitra","description":"September 27, 2115 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 06:06, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2115-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2115-09-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2115-09-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2115-09-27","x-default":"https://vidhyamitra.com/city/rishikesh/2115-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T21:40:34.499Z","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":"2026-05-21T21:40:34.499Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T21:40:34.499Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}