{"id":"vidhyamitra:city-day:rishikesh:2027-09-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2027-09-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-09-30","date_display":"September 30, 2027 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":2027,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461678.770833,"kali_year":5129,"ahargana":1873213.2708,"sun":{"sidereal_longitude":161.6128,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":162.3124,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.6995,"elapsed_within_tithi_degrees":0.6995},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.3124,"elapsed_within_degrees":2.3124},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.9252},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2027,"month":9,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461678.770833,"ahargana":1873213.2708,"kali_year":5129,"ayanamsa_lahiri":24.2406,"grahas":{"sun":{"sidereal_longitude":162.42482599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":161.495226,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":-3.6469},"mars":{"sidereal_longitude":204.23262599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":187.61852599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":139.61812599999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":175.28542600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":1.5645260000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":288.1464,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.1464,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461678.770833,"kali_year":5129,"ahargana":1873213.2708,"sun":{"sidereal_longitude":161.6128,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":162.3124,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.6995,"elapsed_within_tithi_degrees":0.6995},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.3124,"elapsed_within_degrees":2.3124},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.9252},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.647,"elongation":0.7},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.647,"opposition_distance":179.3}},"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":"06:08","sunsetLocal":"18:04","solarNoonLocal":"12:06","dayLengthHours":11.923942186953958,"dayLengthDisplay":"11 Hours 55 Mins 26 Secs","nightLengthDisplay":"12 Hours 04 Mins 34 Secs","moonriseLocal":"06:05","moonsetLocal":"18:00","rahuKala":{"name":"Rāhu Kāla","start":"13:36","end":"15:05","startHours":13.591908168119485,"endHours":15.08240094148873,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:08","end":"07:38","startHours":6.139444301273262,"endHours":7.629937074642506,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:07","end":"10:37","startHours":9.120429848011751,"endHours":10.610922621380997,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.921697478229184,"endHours":9.319162217794318,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.636275225729676,"endHours":6.954247017381782,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:30","startHours":11.703950655185109,"endHours":12.498880134315373,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:21","startHours":4.549585343012733,"endHours":5.3445148221429974,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:08","startHours":5.145782452360431,"endHours":6.139444301273262,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:53","startHours":14.088739092575901,"endHours":14.883668571706165,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.86338648822722,"endHours":18.26338648822722,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:34","startHours":18.06338648822722,"endHours":18.560217412683635,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.81338648822722,"endHours":19.56338648822722,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:30","startHours":23.70395065518511,"endHours":24.49888013431537,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:08","end":"07:38","startHours":6.139444301273262,"endHours":7.629937074642506,"quality":"auspicious"},{"name":"Roga","start":"07:38","end":"09:07","startHours":7.629937074642506,"endHours":9.120429848011751,"quality":"inauspicious"},{"name":"Udveg","start":"09:07","end":"10:37","startHours":9.120429848011751,"endHours":10.610922621380997,"quality":"inauspicious"},{"name":"Chala","start":"10:37","end":"12:06","startHours":10.610922621380997,"endHours":12.10141539475024,"quality":"neutral"},{"name":"Labha","start":"12:06","end":"13:36","startHours":12.10141539475024,"endHours":13.591908168119485,"quality":"auspicious"},{"name":"Amṛta","start":"13:36","end":"15:05","startHours":13.591908168119485,"endHours":15.08240094148873,"quality":"auspicious"},{"name":"Kāla","start":"15:05","end":"16:34","startHours":15.08240094148873,"endHours":16.572893714857976,"quality":"inauspicious"},{"name":"Śubha","start":"16:34","end":"18:04","startHours":16.572893714857976,"endHours":18.06338648822722,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:04","end":"19:34","startHours":18.06338648822722,"endHours":19.572893714857976,"quality":"auspicious"},{"name":"Kāla","start":"19:34","end":"21:05","startHours":19.572893714857976,"endHours":21.08240094148873,"quality":"inauspicious"},{"name":"Śubha","start":"21:05","end":"22:36","startHours":21.08240094148873,"endHours":22.591908168119485,"quality":"auspicious"},{"name":"Roga","start":"22:36","end":"00:06","startHours":22.591908168119485,"endHours":24.10141539475024,"quality":"inauspicious"},{"name":"Udveg","start":"00:06","end":"01:37","startHours":24.10141539475024,"endHours":25.610922621380997,"quality":"inauspicious"},{"name":"Chala","start":"01:37","end":"03:07","startHours":25.610922621380997,"endHours":27.120429848011753,"quality":"neutral"},{"name":"Labha","start":"03:07","end":"04:38","startHours":27.120429848011753,"endHours":28.629937074642505,"quality":"auspicious"},{"name":"Amṛta","start":"04:38","end":"06:08","startHours":28.629937074642505,"endHours":30.13944430127326,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.139444301273262,"endHours":7.139444301273262,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.139444301273262,"endHours":8.139444301273262,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.139444301273262,"endHours":9.139444301273262,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.139444301273262,"endHours":10.139444301273262,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.139444301273262,"endHours":11.139444301273262,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.139444301273262,"endHours":12.139444301273262,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.139444301273262,"endHours":13.139444301273262,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.139444301273262,"endHours":14.139444301273262,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.139444301273262,"endHours":15.139444301273262,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.139444301273262,"endHours":16.13944430127326,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.13944430127326,"endHours":17.13944430127326,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.13944430127326,"endHours":18.13944430127326,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.13944430127326,"endHours":19.13944430127326,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.13944430127326,"endHours":20.13944430127326,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.13944430127326,"endHours":21.13944430127326,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.13944430127326,"endHours":22.13944430127326,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.13944430127326,"endHours":23.13944430127326,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.13944430127326,"endHours":24.13944430127326,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.13944430127326,"endHours":25.13944430127326,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.13944430127326,"endHours":26.13944430127326,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.13944430127326,"endHours":27.13944430127326,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.13944430127326,"endHours":28.13944430127326,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.13944430127326,"endHours":29.13944430127326,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.13944430127326,"endHours":30.13944430127326,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","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":-2.6460211013734023,"eotMinutes":10.844676314985584,"ayanamsa":24.2406}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 30, 2027 CE · Ṛṣikeśa · Vidhyamitra","description":"September 30, 2027 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 06:08, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2027-09-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2027-09-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/2027-09-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/2027-09-30","x-default":"https://vidhyamitra.com/city/rishikesh/2027-09-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:57:53.675Z","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":"2026-05-14T20:57:53.675Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:57:53.675Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}