{"id":"vidhyamitra:city-day:rishikesh:2026-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2026-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-09-27","date_display":"September 27, 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":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461310.770833,"kali_year":5128,"ahargana":1872845.2708,"sun":{"sidereal_longitude":158.9241,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":342.2832,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.3591,"elapsed_within_tithi_degrees":3.3591},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.2832,"elapsed_within_degrees":8.9498},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":141.2072},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461310.770833,"ahargana":1872845.2708,"kali_year":5128,"ayanamsa_lahiri":24.2265,"grahas":{"sun":{"sidereal_longitude":159.73238600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":343.953186,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":2.556},"mars":{"sidereal_longitude":94.80388600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":180.62438599999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":114.43498599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":193.26938599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":347.700686,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":307.6448,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":127.6448,"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":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461310.770833,"kali_year":5128,"ahargana":1872845.2708,"sun":{"sidereal_longitude":158.9241,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":342.2832,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.3591,"elapsed_within_tithi_degrees":3.3591},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.2832,"elapsed_within_degrees":8.9498},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":141.2072},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.556,"elongation":176.641},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.556,"opposition_distance":3.359}},"eclipse_window_40days":[{"offset_days":-16,"type":"solar","occurs":true,"moon_latitude":-1.193,"elongation":0.557}]},"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":"06:07","sunsetLocal":"18:07","solarNoonLocal":"12:07","dayLengthHours":12.00682013960187,"dayLengthDisplay":"12 Hours 00 Mins 25 Secs","nightLengthDisplay":"11 Hours 59 Mins 35 Secs","moonriseLocal":"18:14","moonsetLocal":"06:34","rahuKala":{"name":"Rāhu Kāla","start":"16:37","end":"18:07","startHours":16.620704792438733,"endHours":18.121557309888967,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:07","end":"13:37","startHours":12.118147240088032,"endHours":13.618999757538266,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:07","end":"16:37","startHours":15.1198522749885,"endHours":16.620704792438733,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.916328536194198,"endHours":9.316555874180928,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.615021342770507,"endHours":6.93520321315989,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.717919902101302,"endHours":12.518374578074761,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:19","startHours":4.513827818340179,"endHours":5.3142824943136375,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.114168825320273,"endHours":6.114737170287095,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.119283930021677,"endHours":14.919738605995136,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.921557309888968,"endHours":18.321557309888966,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:37","startHours":18.121557309888967,"endHours":18.62184148237238,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.871557309888967,"endHours":19.621557309888967,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.717919902101304,"endHours":24.51837457807476,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:07","end":"07:37","startHours":6.114737170287095,"endHours":7.615589687737329,"quality":"inauspicious"},{"name":"Chala","start":"07:37","end":"09:07","startHours":7.615589687737329,"endHours":9.116442205187564,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:37","startHours":9.116442205187564,"endHours":10.617294722637798,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:07","startHours":10.617294722637798,"endHours":12.118147240088032,"quality":"auspicious"},{"name":"Kāla","start":"12:07","end":"13:37","startHours":12.118147240088032,"endHours":13.618999757538266,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:07","startHours":13.618999757538266,"endHours":15.1198522749885,"quality":"auspicious"},{"name":"Roga","start":"15:07","end":"16:37","startHours":15.1198522749885,"endHours":16.620704792438733,"quality":"inauspicious"},{"name":"Udveg","start":"16:37","end":"18:07","startHours":16.620704792438733,"endHours":18.121557309888967,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:07","end":"19:37","startHours":18.121557309888967,"endHours":19.620704792438733,"quality":"auspicious"},{"name":"Roga","start":"19:37","end":"21:07","startHours":19.620704792438733,"endHours":21.1198522749885,"quality":"inauspicious"},{"name":"Udveg","start":"21:07","end":"22:37","startHours":21.1198522749885,"endHours":22.618999757538266,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:07","startHours":22.618999757538266,"endHours":24.11814724008803,"quality":"neutral"},{"name":"Labha","start":"00:07","end":"01:37","startHours":24.11814724008803,"endHours":25.617294722637798,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:07","startHours":25.617294722637798,"endHours":27.116442205187564,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:37","startHours":27.116442205187564,"endHours":28.61558968773733,"quality":"inauspicious"},{"name":"Śubha","start":"04:37","end":"06:07","startHours":28.61558968773733,"endHours":30.114737170287096,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.114737170287095,"endHours":7.114737170287095,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.114737170287095,"endHours":8.114737170287096,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.114737170287096,"endHours":9.114737170287096,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.114737170287096,"endHours":10.114737170287096,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.114737170287096,"endHours":11.114737170287096,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.114737170287096,"endHours":12.114737170287096,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.114737170287096,"endHours":13.114737170287096,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.114737170287096,"endHours":14.114737170287096,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.114737170287096,"endHours":15.114737170287096,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.114737170287096,"endHours":16.114737170287096,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.114737170287096,"endHours":17.114737170287096,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.114737170287096,"endHours":18.114737170287096,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.114737170287096,"endHours":19.114737170287096,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.114737170287096,"endHours":20.114737170287096,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.114737170287096,"endHours":21.114737170287096,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.114737170287096,"endHours":22.114737170287096,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.114737170287096,"endHours":23.114737170287096,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.114737170287096,"endHours":24.114737170287096,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.114737170287096,"endHours":25.114737170287096,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.114737170287096,"endHours":26.114737170287096,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.114737170287096,"endHours":27.114737170287096,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.114737170287096,"endHours":28.114737170287096,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.114737170287096,"endHours":29.114737170287096,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.114737170287096,"endHours":30.114737170287096,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","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":-1.5735226704797105,"eotMinutes":9.840765594718077,"ayanamsa":24.2265}},"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 Pratipada · 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}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 27, 2026 CE · Ṛṣikeśa · Vidhyamitra","description":"September 27, 2026 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 06:07, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2026-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2026-09-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2026-09-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2026-09-27","x-default":"https://vidhyamitra.com/city/rishikesh/2026-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:51:42.081Z","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":"2026-05-14T19:51:42.081Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:51:42.081Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}