{"id":"vidhyamitra:city-day:rishikesh:2002-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2002-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-09-12","date_display":"September 12, 2002 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":2002,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452529.770833,"kali_year":5104,"ahargana":1864064.2708,"sun":{"sidereal_longitude":144.504,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":209.4121,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.9081,"elapsed_within_tithi_degrees":4.9081},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.4121,"elapsed_within_degrees":9.4121},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.9161},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2002,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452529.770833,"ahargana":1864064.2708,"kali_year":5104,"ayanamsa_lahiri":23.8907,"grahas":{"sun":{"sidereal_longitude":145.23038499999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":213.35008500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":1.7923},"mars":{"sidereal_longitude":134.649185,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":169.13608499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":104.710285,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":189.19788500000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":64.33718499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":52.9044,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":232.9044,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2002,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452529.770833,"kali_year":5104,"ahargana":1864064.2708,"sun":{"sidereal_longitude":144.504,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":209.4121,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.9081,"elapsed_within_tithi_degrees":4.9081},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.4121,"elapsed_within_degrees":9.4121},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.9161},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.792,"elongation":64.908},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.792,"opposition_distance":115.092}},"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":"05:59","sunsetLocal":"18:26","solarNoonLocal":"12:13","dayLengthHours":12.462189563055057,"dayLengthDisplay":"12 Hours 27 Mins 44 Secs","nightLengthDisplay":"11 Hours 32 Mins 16 Secs","moonriseLocal":"11:30","moonsetLocal":"22:00","rahuKala":{"name":"Rāhu Kāla","start":"13:46","end":"15:19","startHours":13.766875102915458,"endHours":15.324648798297341,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:59","end":"07:32","startHours":5.978006626006048,"endHours":7.5357803213879295,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:39","startHours":9.093554016769811,"endHours":10.651327712151694,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.885850857385561,"endHours":9.301257176154063,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.497264524466675,"endHours":6.8295895794814765,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.793695088765075,"endHours":12.62450772630208,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:09","startHours":4.31638135093204,"endHours":5.147193988469044,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:59","startHours":4.939490829084793,"endHours":5.978006626006048,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:07","startHours":14.286133001376086,"endHours":15.11694563891309,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.240196189061106,"endHours":18.640196189061104,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:58","startHours":18.440196189061105,"endHours":18.95945408752173,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.190196189061105,"endHours":19.940196189061105,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.793695088765077,"endHours":24.624507726302078,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:59","end":"07:32","startHours":5.978006626006048,"endHours":7.5357803213879295,"quality":"auspicious"},{"name":"Roga","start":"07:32","end":"09:06","startHours":7.5357803213879295,"endHours":9.093554016769811,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:39","startHours":9.093554016769811,"endHours":10.651327712151694,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:13","startHours":10.651327712151694,"endHours":12.209101407533577,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:46","startHours":12.209101407533577,"endHours":13.766875102915458,"quality":"auspicious"},{"name":"Amṛta","start":"13:46","end":"15:19","startHours":13.766875102915458,"endHours":15.324648798297341,"quality":"auspicious"},{"name":"Kāla","start":"15:19","end":"16:53","startHours":15.324648798297341,"endHours":16.882422493679222,"quality":"inauspicious"},{"name":"Śubha","start":"16:53","end":"18:26","startHours":16.882422493679222,"endHours":18.440196189061105,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:26","end":"19:53","startHours":18.440196189061105,"endHours":19.882422493679222,"quality":"auspicious"},{"name":"Kāla","start":"19:53","end":"21:19","startHours":19.882422493679222,"endHours":21.32464879829734,"quality":"inauspicious"},{"name":"Śubha","start":"21:19","end":"22:46","startHours":21.32464879829734,"endHours":22.766875102915456,"quality":"auspicious"},{"name":"Roga","start":"22:46","end":"00:13","startHours":22.766875102915456,"endHours":24.209101407533577,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:39","startHours":24.209101407533577,"endHours":25.651327712151694,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"03:06","startHours":25.651327712151694,"endHours":27.09355401676981,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:32","startHours":27.09355401676981,"endHours":28.535780321387932,"quality":"auspicious"},{"name":"Amṛta","start":"04:32","end":"05:59","startHours":28.535780321387932,"endHours":29.97800662600605,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.978006626006048,"endHours":6.978006626006048,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.978006626006048,"endHours":7.978006626006048,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.978006626006048,"endHours":8.978006626006048,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.978006626006048,"endHours":9.978006626006048,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.978006626006048,"endHours":10.978006626006048,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.978006626006048,"endHours":11.978006626006048,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.978006626006048,"endHours":12.978006626006048,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.978006626006048,"endHours":13.978006626006048,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.978006626006048,"endHours":14.978006626006048,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.978006626006048,"endHours":15.978006626006048,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.978006626006048,"endHours":16.97800662600605,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.97800662600605,"endHours":17.97800662600605,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.97800662600605,"endHours":18.97800662600605,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.97800662600605,"endHours":19.97800662600605,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.97800662600605,"endHours":20.97800662600605,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.97800662600605,"endHours":21.97800662600605,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.97800662600605,"endHours":22.97800662600605,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.97800662600605,"endHours":23.97800662600605,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.97800662600605,"endHours":24.97800662600605,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.97800662600605,"endHours":25.97800662600605,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.97800662600605,"endHours":26.97800662600605,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.97800662600605,"endHours":27.97800662600605,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.97800662600605,"endHours":28.97800662600605,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.97800662600605,"endHours":29.97800662600605,"planetary_lord":"Moon"}],"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","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.30499526085865,"eotMinutes":4.383515547985428,"ayanamsa":23.8907}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"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 12, 2002 CE · Ṛṣikeśa · Vidhyamitra","description":"September 12, 2002 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 05:59, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2002-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2002-09-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2002-09-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2002-09-12","x-default":"https://vidhyamitra.com/city/rishikesh/2002-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T08:21:33.727Z","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":"2026-05-17T08:21:33.727Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T08:21:33.727Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}