{"id":"vidhyamitra:city-day:rishikesh:2129-09-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2129-09-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-09-06","date_display":"September 6, 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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498909.770833,"kali_year":5231,"ahargana":1910444.2708,"sun":{"sidereal_longitude":136.8945,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":50.0849,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.1904,"elapsed_within_tithi_degrees":9.1904},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.0849,"elapsed_within_degrees":10.0849},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.9794},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498909.770833,"ahargana":1910444.2708,"kali_year":5231,"ayanamsa_lahiri":25.6645,"grahas":{"sun":{"sidereal_longitude":137.906728,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":53.577128000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-4.0903},"mars":{"sidereal_longitude":294.92972800000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":119.37522799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":350.563928,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":113.21382800000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":172.84962799999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":115.4688,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":295.4688,"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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498909.770833,"kali_year":5231,"ahargana":1910444.2708,"sun":{"sidereal_longitude":136.8945,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":50.0849,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.1904,"elapsed_within_tithi_degrees":9.1904},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.0849,"elapsed_within_degrees":10.0849},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.9794},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.09,"elongation":86.81},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.09,"opposition_distance":93.19}},"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":"05:56","sunsetLocal":"18:34","solarNoonLocal":"12:15","dayLengthHours":12.630956126498578,"dayLengthDisplay":"12 Hours 37 Mins 51 Secs","nightLengthDisplay":"11 Hours 22 Mins 09 Secs","moonriseLocal":"23:37","moonsetLocal":"13:37","rahuKala":{"name":"Rāhu Kāla","start":"15:24","end":"16:59","startHours":15.403215569707303,"endHours":16.982085085519625,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:40","startHours":9.087737506458012,"endHours":10.666607022270336,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:49","startHours":12.245476538082658,"endHours":13.82434605389498,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.87722157101637,"endHours":9.298253441899655,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.456288313437476,"endHours":6.793113810144105,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:40","startHours":11.824444667199371,"endHours":12.666508408965944,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:05","startHours":4.245870991300225,"endHours":5.087934733066796,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:56","startHours":4.877418797625154,"endHours":5.9299984748333685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:12","startHours":14.350635892499087,"endHours":15.192699634265658,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.360954601331947,"endHours":18.760954601331946,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:05","startHours":18.560954601331947,"endHours":19.087244439936054,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.310954601331947,"endHours":20.060954601331947,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:40","startHours":23.82444466719937,"endHours":24.666508408965942,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:56","end":"07:31","startHours":5.9299984748333685,"endHours":7.50886799064569,"quality":"inauspicious"},{"name":"Udveg","start":"07:31","end":"09:05","startHours":7.50886799064569,"endHours":9.087737506458012,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:40","startHours":9.087737506458012,"endHours":10.666607022270336,"quality":"neutral"},{"name":"Labha","start":"10:40","end":"12:15","startHours":10.666607022270336,"endHours":12.245476538082658,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:49","startHours":12.245476538082658,"endHours":13.82434605389498,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:24","startHours":13.82434605389498,"endHours":15.403215569707303,"quality":"inauspicious"},{"name":"Śubha","start":"15:24","end":"16:59","startHours":15.403215569707303,"endHours":16.982085085519625,"quality":"auspicious"},{"name":"Roga","start":"16:59","end":"18:34","startHours":16.982085085519625,"endHours":18.560954601331947,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:34","end":"19:59","startHours":18.560954601331947,"endHours":19.982085085519625,"quality":"inauspicious"},{"name":"Śubha","start":"19:59","end":"21:24","startHours":19.982085085519625,"endHours":21.403215569707303,"quality":"auspicious"},{"name":"Roga","start":"21:24","end":"22:49","startHours":21.403215569707303,"endHours":22.824346053894978,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:15","startHours":22.824346053894978,"endHours":24.245476538082656,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:40","startHours":24.245476538082656,"endHours":25.666607022270334,"quality":"neutral"},{"name":"Labha","start":"01:40","end":"03:05","startHours":25.666607022270334,"endHours":27.087737506458012,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:31","startHours":27.087737506458012,"endHours":28.50886799064569,"quality":"auspicious"},{"name":"Kāla","start":"04:31","end":"05:56","startHours":28.50886799064569,"endHours":29.92999847483337,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.9299984748333685,"endHours":6.9299984748333685,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.9299984748333685,"endHours":7.9299984748333685,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.9299984748333685,"endHours":8.929998474833369,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.929998474833369,"endHours":9.929998474833369,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.929998474833369,"endHours":10.929998474833369,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.929998474833369,"endHours":11.929998474833369,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.929998474833369,"endHours":12.929998474833369,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.929998474833369,"endHours":13.929998474833369,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.929998474833369,"endHours":14.929998474833369,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.929998474833369,"endHours":15.929998474833369,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.929998474833369,"endHours":16.92999847483337,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.92999847483337,"endHours":17.92999847483337,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.92999847483337,"endHours":18.92999847483337,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.92999847483337,"endHours":19.92999847483337,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.92999847483337,"endHours":20.92999847483337,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.92999847483337,"endHours":21.92999847483337,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.92999847483337,"endHours":22.92999847483337,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.92999847483337,"endHours":23.92999847483337,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.92999847483337,"endHours":24.92999847483337,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.92999847483337,"endHours":25.92999847483337,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.92999847483337,"endHours":26.92999847483337,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.92999847483337,"endHours":27.92999847483337,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.92999847483337,"endHours":28.92999847483337,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.92999847483337,"endHours":29.92999847483337,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","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":6.458754952461774,"eotMinutes":2.2010077150405363,"ayanamsa":25.6645}},"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 Aṣṭamī · Vikram 2186 Śubhakṛt · Śaka 2051 Virodhi"},"festivals":[{"id":"krishna-janmashtami","name":"Krishna Janmāṣṭamī","name_sanskrit":"कृष्ण जन्माष्टमी","tradition":"Vaishnava","associated_deity":"Krishna (svayaṁ bhagavān)","deity_avatara_index":20,"significance":"Bhagavān Krishna manifested at Mathurā midnight on this exact tithi-nakshatra alignment in 3227 BCE.","vrata":true,"primary_observance":"Madhya-rātri (midnight) abhiṣekam in Mathurā tradition","detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","nakshatra_name":"Rohiṇī","lunar_month":"Bhādrapada"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavān Krishna's birth at Mathurā","date_julian":"-3226-07-09","location":"Mathurā"},"sources":["Bhāgavata Purāṇa 10.3"]},{"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":"krishna-janmashtami-walk","name":"Krishna Janmāṣṭamī Walk","name_sanskrit":"कृष्ण जन्माष्टमी यात्रा","type":"festival","description":"Bhāgavata 10.3 (birth at Mathurā) + BG 4.7-8 + 10.8 (Krishna as svayaṁ bhagavān).","step_count":11,"url":"/walk/krishna-janmashtami-walk"},"reason":"Today is Krishna Janmāṣṭamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī + Rohiṇī","url":"/day/-3226-07-09","relevance":1}]},"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 6, 2129 CE · Ṛṣikeśa · Vidhyamitra","description":"September 6, 2129 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 05:56, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2129-09-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2129-09-06","sa":"https://sa.vidhyamitra.com/city/rishikesh/2129-09-06","hi":"https://hi.vidhyamitra.com/city/rishikesh/2129-09-06","x-default":"https://vidhyamitra.com/city/rishikesh/2129-09-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T19:29:51.516Z","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":"2026-05-22T19:29:51.516Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T19:29:51.516Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}