{"id":"vidhyamitra:city-day:rishikesh:2004-09-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2004-09-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-09-26","date_display":"September 26, 2004 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":2004,"month":9,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453274.770833,"kali_year":5106,"ahargana":1864809.2708,"sun":{"sidereal_longitude":158.6229,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":307.9255,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.3026,"elapsed_within_tithi_degrees":5.3026},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.9255,"elapsed_within_degrees":1.2588},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.5484},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2004,"month":9,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453274.770833,"ahargana":1864809.2708,"kali_year":5106,"ayanamsa_lahiri":23.9192,"grahas":{"sun":{"sidereal_longitude":159.37771999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":307.34952,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":-4.0943},"mars":{"sidereal_longitude":155.81842000000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":151.34771999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":156.53242,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":117.18582000000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":91.64402000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":13.4307,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":193.4307,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2004,"month":9,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453274.770833,"kali_year":5106,"ahargana":1864809.2708,"sun":{"sidereal_longitude":158.6229,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":307.9255,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.3026,"elapsed_within_tithi_degrees":5.3026},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.9255,"elapsed_within_degrees":1.2588},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.5484},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.094,"elongation":149.303},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.094,"opposition_distance":30.697}},"eclipse_window_40days":[{"offset_days":18,"type":"solar","occurs":true,"moon_latitude":1.411,"elongation":2.18}]},"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":"18:08","solarNoonLocal":"12:07","dayLengthHours":12.02712261892881,"dayLengthDisplay":"12 Hours 01 Mins 38 Secs","nightLengthDisplay":"11 Hours 58 Mins 22 Secs","moonriseLocal":"16:22","moonsetLocal":"03:36","rahuKala":{"name":"Rāhu Kāla","start":"16:38","end":"18:08","startHours":16.634066337345644,"endHours":18.137456664711745,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:07","end":"13:38","startHours":12.12389535524734,"endHours":13.627285682613442,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:08","end":"16:38","startHours":15.130676009979542,"endHours":16.634066337345644,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.916662656866324,"endHours":9.317566744163951,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.611464154904969,"endHours":6.93218742474307,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.722991267949713,"endHours":12.524799442544968,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.5067176965924265,"endHours":5.308525871187681,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:07","startHours":5.108073827538867,"endHours":6.110334045782935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:56","startHours":14.128415791735474,"endHours":14.930223966330727,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.937456664711746,"endHours":18.337456664711745,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.137456664711745,"endHours":18.63858677383378,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.887456664711745,"endHours":19.637456664711745,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.722991267949716,"endHours":24.524799442544968,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:07","end":"07:37","startHours":6.110334045782935,"endHours":7.6137243731490365,"quality":"inauspicious"},{"name":"Chala","start":"07:37","end":"09:07","startHours":7.6137243731490365,"endHours":9.117114700515138,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:37","startHours":9.117114700515138,"endHours":10.620505027881238,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:07","startHours":10.620505027881238,"endHours":12.12389535524734,"quality":"auspicious"},{"name":"Kāla","start":"12:07","end":"13:38","startHours":12.12389535524734,"endHours":13.627285682613442,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:08","startHours":13.627285682613442,"endHours":15.130676009979542,"quality":"auspicious"},{"name":"Roga","start":"15:08","end":"16:38","startHours":15.130676009979542,"endHours":16.634066337345644,"quality":"inauspicious"},{"name":"Udveg","start":"16:38","end":"18:08","startHours":16.634066337345644,"endHours":18.137456664711745,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:08","end":"19:38","startHours":18.137456664711745,"endHours":19.634066337345644,"quality":"auspicious"},{"name":"Roga","start":"19:38","end":"21:08","startHours":19.634066337345644,"endHours":21.130676009979542,"quality":"inauspicious"},{"name":"Udveg","start":"21:08","end":"22:38","startHours":21.130676009979542,"endHours":22.62728568261344,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:07","startHours":22.62728568261344,"endHours":24.123895355247342,"quality":"neutral"},{"name":"Labha","start":"00:07","end":"01:37","startHours":24.123895355247342,"endHours":25.620505027881237,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:07","startHours":25.620505027881237,"endHours":27.11711470051514,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:37","startHours":27.11711470051514,"endHours":28.613724373149036,"quality":"inauspicious"},{"name":"Śubha","start":"04:37","end":"06:07","startHours":28.613724373149036,"endHours":30.110334045782935,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.110334045782935,"endHours":7.110334045782935,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.110334045782935,"endHours":8.110334045782935,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.110334045782935,"endHours":9.110334045782935,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.110334045782935,"endHours":10.110334045782935,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.110334045782935,"endHours":11.110334045782935,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.110334045782935,"endHours":12.110334045782935,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.110334045782935,"endHours":13.110334045782935,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.110334045782935,"endHours":14.110334045782935,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.110334045782935,"endHours":15.110334045782935,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.110334045782935,"endHours":16.110334045782935,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.110334045782935,"endHours":17.110334045782935,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.110334045782935,"endHours":18.110334045782935,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.110334045782935,"endHours":19.110334045782935,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.110334045782935,"endHours":20.110334045782935,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.110334045782935,"endHours":21.110334045782935,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.110334045782935,"endHours":22.110334045782935,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.110334045782935,"endHours":23.110334045782935,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.110334045782935,"endHours":24.110334045782935,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.110334045782935,"endHours":25.110334045782935,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.110334045782935,"endHours":26.110334045782935,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.110334045782935,"endHours":27.110334045782935,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.110334045782935,"endHours":28.110334045782935,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.110334045782935,"endHours":29.110334045782935,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.110334045782935,"endHours":30.110334045782935,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","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":-1.3106829005619776,"eotMinutes":9.49587868515961,"ayanamsa":23.9192}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 26, 2004 CE · Ṛṣikeśa · Vidhyamitra","description":"September 26, 2004 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 06:07, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2004-09-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2004-09-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2004-09-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2004-09-26","x-default":"https://vidhyamitra.com/city/rishikesh/2004-09-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T16:47:53.694Z","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":"2026-05-16T16:47:53.694Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T16:47:53.694Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}