{"id":"vidhyamitra:city-day:rishikesh:2129-09-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2129-09-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-09-08","date_display":"September 8, 2129 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":2129,"month":9,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498911.770833,"kali_year":5231,"ahargana":1910446.2708,"sun":{"sidereal_longitude":138.8268,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":74.6095,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.7827,"elapsed_within_tithi_degrees":7.7827},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.6095,"elapsed_within_degrees":7.9428},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":213.4362},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"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":2129,"month":9,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498911.770833,"ahargana":1910446.2708,"kali_year":5231,"ayanamsa_lahiri":25.6646,"grahas":{"sun":{"sidereal_longitude":139.84545100000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":77.92965099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-2.9359},"mars":{"sidereal_longitude":294.64295100000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":120.438651,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":350.379451,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":115.66405099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":173.06375100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":115.3629,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":295.3629,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2129,"month":9,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498911.770833,"kali_year":5231,"ahargana":1910446.2708,"sun":{"sidereal_longitude":138.8268,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":74.6095,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.7827,"elapsed_within_tithi_degrees":7.7827},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.6095,"elapsed_within_degrees":7.9428},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":213.4362},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.936,"elongation":64.217},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.936,"opposition_distance":115.783}},"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":"05:57","sunsetLocal":"18:31","solarNoonLocal":"12:14","dayLengthHours":12.572199691234864,"dayLengthDisplay":"12 Hours 34 Mins 20 Secs","nightLengthDisplay":"11 Hours 25 Mins 40 Secs","moonriseLocal":"01:07","moonsetLocal":"15:06","rahuKala":{"name":"Rāhu Kāla","start":"13:48","end":"15:23","startHours":13.805045551076542,"endHours":15.3765705124809,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:57","end":"07:31","startHours":5.947420744054752,"endHours":7.51894570545911,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:40","startHours":9.090470666863467,"endHours":10.661995628267826,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.880934005342887,"endHours":9.30000732838405,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:48","startHours":6.471262397856205,"endHours":6.806521056289135,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:39","startHours":11.814447266631023,"endHours":12.652593912713348,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:07","startHours":4.271127451890104,"endHours":5.109274097972428,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:57","startHours":4.899737436451847,"endHours":5.947420744054752,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:10","startHours":14.328887204877994,"endHours":15.167033850960317,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.319620435289618,"endHours":18.719620435289617,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:03","startHours":18.519620435289617,"endHours":19.04346208909107,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.269620435289617,"endHours":20.019620435289617,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:39","startHours":23.814447266631024,"endHours":24.652593912713346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:57","end":"07:31","startHours":5.947420744054752,"endHours":7.51894570545911,"quality":"auspicious"},{"name":"Roga","start":"07:31","end":"09:05","startHours":7.51894570545911,"endHours":9.090470666863467,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:40","startHours":9.090470666863467,"endHours":10.661995628267826,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"12:14","startHours":10.661995628267826,"endHours":12.233520589672185,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:48","startHours":12.233520589672185,"endHours":13.805045551076542,"quality":"auspicious"},{"name":"Amṛta","start":"13:48","end":"15:23","startHours":13.805045551076542,"endHours":15.3765705124809,"quality":"auspicious"},{"name":"Kāla","start":"15:23","end":"16:57","startHours":15.3765705124809,"endHours":16.94809547388526,"quality":"inauspicious"},{"name":"Śubha","start":"16:57","end":"18:31","startHours":16.94809547388526,"endHours":18.519620435289617,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"19:57","startHours":18.519620435289617,"endHours":19.94809547388526,"quality":"auspicious"},{"name":"Kāla","start":"19:57","end":"21:23","startHours":19.94809547388526,"endHours":21.376570512480903,"quality":"inauspicious"},{"name":"Śubha","start":"21:23","end":"22:48","startHours":21.376570512480903,"endHours":22.805045551076542,"quality":"auspicious"},{"name":"Roga","start":"22:48","end":"00:14","startHours":22.805045551076542,"endHours":24.233520589672185,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:40","startHours":24.233520589672185,"endHours":25.661995628267828,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"03:05","startHours":25.661995628267828,"endHours":27.090470666863467,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:31","startHours":27.090470666863467,"endHours":28.51894570545911,"quality":"auspicious"},{"name":"Amṛta","start":"04:31","end":"05:57","startHours":28.51894570545911,"endHours":29.947420744054753,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.947420744054752,"endHours":6.947420744054752,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.947420744054752,"endHours":7.947420744054752,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.947420744054752,"endHours":8.947420744054753,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.947420744054753,"endHours":9.947420744054753,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.947420744054753,"endHours":10.947420744054753,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.947420744054753,"endHours":11.947420744054753,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.947420744054753,"endHours":12.947420744054753,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.947420744054753,"endHours":13.947420744054753,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.947420744054753,"endHours":14.947420744054753,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.947420744054753,"endHours":15.947420744054753,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.947420744054753,"endHours":16.947420744054753,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.947420744054753,"endHours":17.947420744054753,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.947420744054753,"endHours":18.947420744054753,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.947420744054753,"endHours":19.947420744054753,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.947420744054753,"endHours":20.947420744054753,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.947420744054753,"endHours":21.947420744054753,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.947420744054753,"endHours":22.947420744054753,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.947420744054753,"endHours":23.947420744054753,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.947420744054753,"endHours":24.947420744054753,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.947420744054753,"endHours":25.947420744054753,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.947420744054753,"endHours":26.947420744054753,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.947420744054753,"endHours":27.947420744054753,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.947420744054753,"endHours":28.947420744054753,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.947420744054753,"endHours":29.947420744054753,"planetary_lord":"Moon"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"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":5.711340870798748,"eotMinutes":2.918364619668906,"ayanamsa":25.6646}},"calendars":{"vikram_samvat":2186,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2051,"saka_samvatsara":"Virodhi","bengali_samvat":1536,"malayalam_era":1305,"nanakshahi_year":660,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Daśamī · Vikram 2186 Śubhakṛt · Śaka 2051 Virodhi"},"festivals":[{"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":[]},"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 8, 2129 CE · Ṛṣikeśa · Vidhyamitra","description":"September 8, 2129 CE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 05:57, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2129-09-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2129-09-08","sa":"https://sa.vidhyamitra.com/city/rishikesh/2129-09-08","hi":"https://hi.vidhyamitra.com/city/rishikesh/2129-09-08","x-default":"https://vidhyamitra.com/city/rishikesh/2129-09-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T22:21:57.389Z","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":"2026-05-22T22:21:57.389Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T22:21:57.389Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}