{"id":"vidhyamitra:city-day:rishikesh:2071-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2071-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2071-09-27","date_display":"September 27, 2071 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":2071,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2477746.770833,"kali_year":5173,"ahargana":1889281.2708,"sun":{"sidereal_longitude":158.2931,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":201.4547,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.1616,"elapsed_within_tithi_degrees":7.1616},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.4547,"elapsed_within_degrees":1.4547},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.7479},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2071,"month":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2477746.770833,"ahargana":1889281.2708,"kali_year":5173,"ayanamsa_lahiri":24.8551,"grahas":{"sun":{"sidereal_longitude":159.21041000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":201.56241,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":3.1619},"mars":{"sidereal_longitude":73.61031000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":167.85661000000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":40.30950999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":112.58571,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":185.28831000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":156.7864,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":336.7864,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2071,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2477746.770833,"kali_year":5173,"ahargana":1889281.2708,"sun":{"sidereal_longitude":158.2931,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":201.4547,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.1616,"elapsed_within_tithi_degrees":7.1616},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.4547,"elapsed_within_degrees":1.4547},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.7479},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.162,"elongation":43.162},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.162,"opposition_distance":136.838}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":-0.877,"opposition_distance":2.692}]},"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":12.003551007848884,"dayLengthDisplay":"12 Hours 00 Mins 13 Secs","nightLengthDisplay":"11 Hours 59 Mins 47 Secs","moonriseLocal":"09:34","moonsetLocal":"20:19","rahuKala":{"name":"Rāhu Kāla","start":"16:37","end":"18:07","startHours":16.61947886803136,"endHours":18.119922744012474,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:07","end":"13:37","startHours":12.118147240088032,"endHours":13.61859111606914,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:07","end":"16:37","startHours":15.119034992050253,"endHours":16.61947886803136,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.917200304661662,"endHours":9.317318671589957,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.616519694823959,"endHours":6.936614388366595,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.718028873159735,"endHours":12.518265607016328,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:19","startHours":4.515898268450404,"endHours":5.316135002306996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.116075818842848,"endHours":6.116371736163589,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.118739074729511,"endHours":14.918975808586103,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.919922744012474,"endHours":18.319922744012473,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:37","startHours":18.119922744012474,"endHours":18.620070702672844,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.869922744012474,"endHours":19.619922744012474,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.718028873159735,"endHours":24.51826560701633,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:07","end":"07:37","startHours":6.116371736163589,"endHours":7.616815612144699,"quality":"inauspicious"},{"name":"Chala","start":"07:37","end":"09:07","startHours":7.616815612144699,"endHours":9.11725948812581,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:37","startHours":9.11725948812581,"endHours":10.61770336410692,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:07","startHours":10.61770336410692,"endHours":12.118147240088032,"quality":"auspicious"},{"name":"Kāla","start":"12:07","end":"13:37","startHours":12.118147240088032,"endHours":13.61859111606914,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:07","startHours":13.61859111606914,"endHours":15.119034992050253,"quality":"auspicious"},{"name":"Roga","start":"15:07","end":"16:37","startHours":15.119034992050253,"endHours":16.61947886803136,"quality":"inauspicious"},{"name":"Udveg","start":"16:37","end":"18:07","startHours":16.61947886803136,"endHours":18.119922744012474,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:07","end":"19:37","startHours":18.119922744012474,"endHours":19.619478868031365,"quality":"auspicious"},{"name":"Roga","start":"19:37","end":"21:07","startHours":19.619478868031365,"endHours":21.119034992050253,"quality":"inauspicious"},{"name":"Udveg","start":"21:07","end":"22:37","startHours":21.119034992050253,"endHours":22.61859111606914,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:07","startHours":22.61859111606914,"endHours":24.11814724008803,"quality":"neutral"},{"name":"Labha","start":"00:07","end":"01:37","startHours":24.11814724008803,"endHours":25.617703364106923,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:07","startHours":25.617703364106923,"endHours":27.11725948812581,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:37","startHours":27.11725948812581,"endHours":28.6168156121447,"quality":"inauspicious"},{"name":"Śubha","start":"04:37","end":"06:07","startHours":28.6168156121447,"endHours":30.11637173616359,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.116371736163589,"endHours":7.116371736163589,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.116371736163589,"endHours":8.11637173616359,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.11637173616359,"endHours":9.11637173616359,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.11637173616359,"endHours":10.11637173616359,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.11637173616359,"endHours":11.11637173616359,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.11637173616359,"endHours":12.11637173616359,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.11637173616359,"endHours":13.11637173616359,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.11637173616359,"endHours":14.11637173616359,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.11637173616359,"endHours":15.11637173616359,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.11637173616359,"endHours":16.11637173616359,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.11637173616359,"endHours":17.11637173616359,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.11637173616359,"endHours":18.11637173616359,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.11637173616359,"endHours":19.11637173616359,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.11637173616359,"endHours":20.11637173616359,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.11637173616359,"endHours":21.11637173616359,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.11637173616359,"endHours":22.11637173616359,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.11637173616359,"endHours":23.11637173616359,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.11637173616359,"endHours":24.11637173616359,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.11637173616359,"endHours":25.11637173616359,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.11637173616359,"endHours":26.11637173616359,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.11637173616359,"endHours":27.11637173616359,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.11637173616359,"endHours":28.11637173616359,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.11637173616359,"endHours":29.11637173616359,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.11637173616359,"endHours":30.11637173616359,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.6158429477557097,"eotMinutes":9.840765594718077,"ayanamsa":24.8551}},"calendars":{"vikram_samvat":2128,"vikram_samvatsara":"Krodhi","saka_samvat":1993,"saka_samvatsara":"Khara","bengali_samvat":1478,"malayalam_era":1247,"nanakshahi_year":602,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturthī · Vikram 2128 Krodhi · Śaka 1993 Khara"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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, 2071 CE · Ṛṣikeśa · Vidhyamitra","description":"September 27, 2071 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:07, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2071-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2071-09-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2071-09-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2071-09-27","x-default":"https://vidhyamitra.com/city/rishikesh/2071-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:09:19.845Z","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":"2026-06-01T23:09:19.845Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:09:19.845Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}