{"id":"vidhyamitra:city-day:rishikesh:2103-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2103-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-09-01","date_display":"September 1, 2103 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":2103,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489407.770833,"kali_year":5205,"ahargana":1900942.2708,"sun":{"sidereal_longitude":131.8114,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":125.8754,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.064,"elapsed_within_tithi_degrees":6.064},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.8754,"elapsed_within_degrees":5.8754},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.6869},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2103,"month":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489407.770833,"ahargana":1900942.2708,"kali_year":5205,"ayanamsa_lahiri":25.3011,"grahas":{"sun":{"sidereal_longitude":132.741374,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":125.90157399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-3.2866},"mars":{"sidereal_longitude":61.50287400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":114.60767399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":261.650074,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":89.81027399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":209.798274,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":258.9305,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":78.9305,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"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":2103,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489407.770833,"kali_year":5205,"ahargana":1900942.2708,"sun":{"sidereal_longitude":131.8114,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":125.8754,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.064,"elapsed_within_tithi_degrees":6.064},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.8754,"elapsed_within_degrees":5.8754},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.6869},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.287,"elongation":5.936},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.287,"opposition_distance":174.064}},"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":"05:53","sunsetLocal":"18:40","solarNoonLocal":"12:16","dayLengthHours":12.796894785914363,"dayLengthDisplay":"12 Hours 47 Mins 49 Secs","nightLengthDisplay":"11 Hours 12 Mins 11 Secs","moonriseLocal":"05:20","moonsetLocal":"18:18","rahuKala":{"name":"Rāhu Kāla","start":"09:05","end":"10:40","startHours":9.075002673336853,"endHours":10.67461452157615,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:52","end":"15:28","startHours":13.87383821805474,"endHours":15.473450066294035,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:53","end":"07:29","startHours":5.875778976858262,"endHours":7.475390825097557,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:17","startHours":8.861721093571614,"endHours":9.288284253102091,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.408982926271361,"endHours":6.750233453895744,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:42","startHours":11.847663210284965,"endHours":12.700789529345924,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:01","startHours":4.169526338736347,"endHours":5.0226526577973045,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:53","startHours":4.809371078032065,"endHours":5.875778976858262,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:16","startHours":14.407042167467838,"endHours":15.260168486528794,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.472673762772626,"endHours":18.872673762772624,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:12","startHours":18.672673762772625,"endHours":19.205877712185725,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.422673762772625,"endHours":20.172673762772625,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:42","startHours":23.847663210284967,"endHours":24.700789529345922,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:53","end":"07:29","startHours":5.875778976858262,"endHours":7.475390825097557,"quality":"inauspicious"},{"name":"Śubha","start":"07:29","end":"09:05","startHours":7.475390825097557,"endHours":9.075002673336853,"quality":"auspicious"},{"name":"Roga","start":"09:05","end":"10:40","startHours":9.075002673336853,"endHours":10.67461452157615,"quality":"inauspicious"},{"name":"Udveg","start":"10:40","end":"12:16","startHours":10.67461452157615,"endHours":12.274226369815445,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:52","startHours":12.274226369815445,"endHours":13.87383821805474,"quality":"neutral"},{"name":"Labha","start":"13:52","end":"15:28","startHours":13.87383821805474,"endHours":15.473450066294035,"quality":"auspicious"},{"name":"Amṛta","start":"15:28","end":"17:04","startHours":15.473450066294035,"endHours":17.07306191453333,"quality":"auspicious"},{"name":"Kāla","start":"17:04","end":"18:40","startHours":17.07306191453333,"endHours":18.672673762772625,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:40","end":"20:04","startHours":18.672673762772625,"endHours":20.07306191453333,"quality":"auspicious"},{"name":"Amṛta","start":"20:04","end":"21:28","startHours":20.07306191453333,"endHours":21.473450066294035,"quality":"auspicious"},{"name":"Kāla","start":"21:28","end":"22:52","startHours":21.473450066294035,"endHours":22.87383821805474,"quality":"inauspicious"},{"name":"Śubha","start":"22:52","end":"00:16","startHours":22.87383821805474,"endHours":24.274226369815445,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:40","startHours":24.274226369815445,"endHours":25.67461452157615,"quality":"inauspicious"},{"name":"Udveg","start":"01:40","end":"03:05","startHours":25.67461452157615,"endHours":27.075002673336854,"quality":"inauspicious"},{"name":"Chala","start":"03:05","end":"04:29","startHours":27.075002673336854,"endHours":28.475390825097556,"quality":"neutral"},{"name":"Labha","start":"04:29","end":"05:53","startHours":28.475390825097556,"endHours":29.875778976858264,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.875778976858262,"endHours":6.875778976858262,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.875778976858262,"endHours":7.875778976858262,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.875778976858262,"endHours":8.875778976858262,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.875778976858262,"endHours":9.875778976858262,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.875778976858262,"endHours":10.875778976858262,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.875778976858262,"endHours":11.875778976858262,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.875778976858262,"endHours":12.875778976858262,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.875778976858262,"endHours":13.875778976858262,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.875778976858262,"endHours":14.875778976858262,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.875778976858262,"endHours":15.875778976858262,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.875778976858262,"endHours":16.875778976858264,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.875778976858264,"endHours":17.875778976858264,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.875778976858264,"endHours":18.875778976858264,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.875778976858264,"endHours":19.875778976858264,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.875778976858264,"endHours":20.875778976858264,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.875778976858264,"endHours":21.875778976858264,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.875778976858264,"endHours":22.875778976858264,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.875778976858264,"endHours":23.875778976858264,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.875778976858264,"endHours":24.875778976858264,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.875778976858264,"endHours":25.875778976858264,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.875778976858264,"endHours":26.875778976858264,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.875778976858264,"endHours":27.875778976858264,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.875778976858264,"endHours":28.875778976858264,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.875778976858264,"endHours":29.875778976858264,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","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":8.552743652378442,"eotMinutes":0.47601781107335894,"ayanamsa":25.3011}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Amāvasyā · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"festivals":[{"id":"mahalaya-amavasya","name":"Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā)","name_sanskrit":"महालय अमावस्या","tradition":"Pan-Hindu","associated_deity":"Pitṛ-deva","significance":"Final day of Pitṛ-Pakṣa; tarpaṇa for all ancestors.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":1},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 1, 2103 CE · Ṛṣikeśa · Vidhyamitra","description":"September 1, 2103 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 05:53, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2103-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2103-09-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2103-09-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2103-09-01","x-default":"https://vidhyamitra.com/city/rishikesh/2103-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T07:19:30.008Z","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":"2026-05-21T07:19:30.008Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T07:19:30.008Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}