{"id":"vidhyamitra:city-day:rishikesh:2025-09-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2025-09-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-09-05","date_display":"September 5, 2025 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":2025,"month":9,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460923.770833,"kali_year":5127,"ahargana":1872458.2708,"sun":{"sidereal_longitude":137.774,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":282.9409,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":145.1668,"elapsed_within_tithi_degrees":1.1668},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.9409,"elapsed_within_degrees":2.9409},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.7149},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2025,"month":9,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460923.770833,"ahargana":1872458.2708,"kali_year":5127,"ayanamsa_lahiri":24.2117,"grahas":{"sun":{"sidereal_longitude":138.53637200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":283.66947200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":-3.1919},"mars":{"sidereal_longitude":173.96557200000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":130.24717199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":84.27207199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"venus":{"sidereal_longitude":107.87907200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":335.591672,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":328.1499,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.1499,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2025,"month":9,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460923.770833,"kali_year":5127,"ahargana":1872458.2708,"sun":{"sidereal_longitude":137.774,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":282.9409,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":145.1668,"elapsed_within_tithi_degrees":1.1668},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.9409,"elapsed_within_degrees":2.9409},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.7149},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.192,"elongation":145.167},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.192,"opposition_distance":34.833}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":-0.388,"opposition_distance":2.369}]},"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":"05:55","sunsetLocal":"18:35","solarNoonLocal":"12:15","dayLengthHours":12.655823574219305,"dayLengthDisplay":"12 Hours 39 Mins 21 Secs","nightLengthDisplay":"11 Hours 20 Mins 39 Secs","moonriseLocal":"16:37","moonsetLocal":"03:14","rahuKala":{"name":"Rāhu Kāla","start":"10:40","end":"12:15","startHours":10.669390981755207,"endHours":12.25136892853262,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:25","end":"17:00","startHours":15.415324822087445,"endHours":16.99730276886486,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:30","end":"09:05","startHours":7.505435088200381,"endHours":9.087413034977793,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.876482642074139,"endHours":9.298343427881449,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.450783123682105,"endHours":6.788271752327953,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:40","startHours":11.829508142725311,"endHours":12.67322971433993,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:05","startHours":4.236013998193727,"endHours":5.0797355698083475,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:55","startHours":4.868805176904692,"endHours":5.9234571414229675,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.36067285756917,"endHours":15.204394429183791,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.379280715642274,"endHours":18.779280715642273,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:06","startHours":18.579280715642273,"endHours":19.106606697901412,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.329280715642273,"endHours":20.079280715642273,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:40","startHours":23.82950814272531,"endHours":24.673229714339932,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:55","end":"07:30","startHours":5.9234571414229675,"endHours":7.505435088200381,"quality":"neutral"},{"name":"Labha","start":"07:30","end":"09:05","startHours":7.505435088200381,"endHours":9.087413034977793,"quality":"auspicious"},{"name":"Amṛta","start":"09:05","end":"10:40","startHours":9.087413034977793,"endHours":10.669390981755207,"quality":"auspicious"},{"name":"Kāla","start":"10:40","end":"12:15","startHours":10.669390981755207,"endHours":12.25136892853262,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:50","startHours":12.25136892853262,"endHours":13.833346875310033,"quality":"auspicious"},{"name":"Roga","start":"13:50","end":"15:25","startHours":13.833346875310033,"endHours":15.415324822087445,"quality":"inauspicious"},{"name":"Udveg","start":"15:25","end":"17:00","startHours":15.415324822087445,"endHours":16.99730276886486,"quality":"inauspicious"},{"name":"Chala","start":"17:00","end":"18:35","startHours":16.99730276886486,"endHours":18.579280715642273,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:35","end":"20:00","startHours":18.579280715642273,"endHours":19.99730276886486,"quality":"inauspicious"},{"name":"Udveg","start":"20:00","end":"21:25","startHours":19.99730276886486,"endHours":21.41532482208745,"quality":"inauspicious"},{"name":"Chala","start":"21:25","end":"22:50","startHours":21.41532482208745,"endHours":22.833346875310035,"quality":"neutral"},{"name":"Labha","start":"22:50","end":"00:15","startHours":22.833346875310035,"endHours":24.25136892853262,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:40","startHours":24.25136892853262,"endHours":25.669390981755207,"quality":"auspicious"},{"name":"Kāla","start":"01:40","end":"03:05","startHours":25.669390981755207,"endHours":27.087413034977793,"quality":"inauspicious"},{"name":"Śubha","start":"03:05","end":"04:30","startHours":27.087413034977793,"endHours":28.505435088200382,"quality":"auspicious"},{"name":"Roga","start":"04:30","end":"05:55","startHours":28.505435088200382,"endHours":29.92345714142297,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.9234571414229675,"endHours":6.9234571414229675,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.9234571414229675,"endHours":7.9234571414229675,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.9234571414229675,"endHours":8.923457141422968,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.923457141422968,"endHours":9.923457141422968,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.923457141422968,"endHours":10.923457141422968,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.923457141422968,"endHours":11.923457141422968,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.923457141422968,"endHours":12.923457141422968,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.923457141422968,"endHours":13.923457141422968,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.923457141422968,"endHours":14.923457141422968,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.923457141422968,"endHours":15.923457141422968,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.923457141422968,"endHours":16.92345714142297,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.92345714142297,"endHours":17.92345714142297,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.92345714142297,"endHours":18.92345714142297,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.92345714142297,"endHours":19.92345714142297,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.92345714142297,"endHours":20.92345714142297,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.92345714142297,"endHours":21.92345714142297,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.92345714142297,"endHours":22.92345714142297,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.92345714142297,"endHours":23.92345714142297,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.92345714142297,"endHours":24.92345714142297,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.92345714142297,"endHours":25.92345714142297,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.92345714142297,"endHours":26.92345714142297,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.92345714142297,"endHours":27.92345714142297,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.92345714142297,"endHours":28.92345714142297,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.92345714142297,"endHours":29.92345714142297,"planetary_lord":"Mars"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","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":6.774209410522067,"eotMinutes":1.8474642880427774,"ayanamsa":24.2117}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Trayodaśī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"onam","name":"Onam (Vāmana / King Bali)","name_sanskrit":"ओणम् (वामन-बलि स्मरण)","tradition":"Regional","associated_deity":"Vāmana + King Bali","significance":"Kerala festival; King Bali's annual return to Kerala. Aligned with Thiru-Onam (Śravaṇa nakshatra in Bhādrapada).","vrata":false,"detection":{"nakshatra_name":"Śravaṇa","lunar_month":"Bhādrapada"},"precedence":2},{"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},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 5, 2025 CE · Ṛṣikeśa · Vidhyamitra","description":"September 5, 2025 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 05:55, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2025-09-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2025-09-05","sa":"https://sa.vidhyamitra.com/city/rishikesh/2025-09-05","hi":"https://hi.vidhyamitra.com/city/rishikesh/2025-09-05","x-default":"https://vidhyamitra.com/city/rishikesh/2025-09-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:05:57.707Z","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":"2026-05-15T07:05:57.707Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:05:57.707Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}