{"id":"vidhyamitra:city-day:rishikesh:1912-12-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1912-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1912-12-08","date_display":"December 8, 1912 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":1912,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419744.770833,"kali_year":5014,"ahargana":1831279.2708,"sun":{"sidereal_longitude":232.7367,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":226.3726,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":353.6359,"elapsed_within_tithi_degrees":5.6359},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.3726,"elapsed_within_degrees":13.0393},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.1093},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":1912,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419744.770833,"ahargana":1831279.2708,"kali_year":5014,"ayanamsa_lahiri":22.6368,"grahas":{"sun":{"sidereal_longitude":232.96691299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":225.014813,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":-3.7453},"mars":{"sidereal_longitude":224.081913,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":236.40591300000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":242.86831300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":272.6801129999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":37.733513000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":350.0115,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":170.0115,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1912,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419744.770833,"kali_year":5014,"ahargana":1831279.2708,"sun":{"sidereal_longitude":232.7367,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":226.3726,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":353.6359,"elapsed_within_tithi_degrees":5.6359},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.3726,"elapsed_within_degrees":13.0393},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.1093},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.745,"elongation":6.364},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.745,"opposition_distance":173.636}},"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":"07:01","sunsetLocal":"17:18","solarNoonLocal":"12:10","dayLengthHours":10.276775234256089,"dayLengthDisplay":"10 Hours 16 Mins 36 Secs","nightLengthDisplay":"13 Hours 43 Mins 24 Secs","moonriseLocal":"06:28","moonsetLocal":"16:48","rahuKala":{"name":"Rāhu Kāla","start":"16:01","end":"17:18","startHours":16.014313627740467,"endHours":17.29891053202248,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:10","end":"13:27","startHours":12.160522914894434,"endHours":13.445119819176446,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:44","end":"16:01","startHours":14.729716723458456,"endHours":16.014313627740467,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.42004951909281,"endHours":9.762608693568014,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:43","startHours":7.450334265860393,"endHours":7.724381605440556,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:30","startHours":11.81796374041923,"endHours":12.503082089369638,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:20","startHours":5.651898599865578,"endHours":6.337016948815984,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:01","startHours":6.165737361578382,"endHours":7.02213529776639,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:52","end":"14:34","startHours":13.873318787270449,"endHours":14.558437136220855,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.09891053202248,"endHours":17.498910532022478,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.29891053202248,"endHours":17.727109500116484,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.04891053202248,"endHours":18.79891053202248,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:30","startHours":23.817963740419234,"endHours":24.503082089369638,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:01","end":"08:18","startHours":7.02213529776639,"endHours":8.306732202048401,"quality":"inauspicious"},{"name":"Chala","start":"08:18","end":"09:35","startHours":8.306732202048401,"endHours":9.591329106330413,"quality":"neutral"},{"name":"Labha","start":"09:35","end":"10:53","startHours":9.591329106330413,"endHours":10.875926010612423,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:10","startHours":10.875926010612423,"endHours":12.160522914894434,"quality":"auspicious"},{"name":"Kāla","start":"12:10","end":"13:27","startHours":12.160522914894434,"endHours":13.445119819176446,"quality":"inauspicious"},{"name":"Śubha","start":"13:27","end":"14:44","startHours":13.445119819176446,"endHours":14.729716723458456,"quality":"auspicious"},{"name":"Roga","start":"14:44","end":"16:01","startHours":14.729716723458456,"endHours":16.014313627740467,"quality":"inauspicious"},{"name":"Udveg","start":"16:01","end":"17:18","startHours":16.014313627740467,"endHours":17.29891053202248,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:18","end":"19:01","startHours":17.29891053202248,"endHours":19.014313627740467,"quality":"auspicious"},{"name":"Roga","start":"19:01","end":"20:44","startHours":19.014313627740467,"endHours":20.729716723458456,"quality":"inauspicious"},{"name":"Udveg","start":"20:44","end":"22:27","startHours":20.729716723458456,"endHours":22.445119819176448,"quality":"inauspicious"},{"name":"Chala","start":"22:27","end":"00:10","startHours":22.445119819176448,"endHours":24.160522914894436,"quality":"neutral"},{"name":"Labha","start":"00:10","end":"01:53","startHours":24.160522914894436,"endHours":25.875926010612424,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:35","startHours":25.875926010612424,"endHours":27.591329106330413,"quality":"auspicious"},{"name":"Kāla","start":"03:35","end":"05:18","startHours":27.591329106330413,"endHours":29.3067322020484,"quality":"inauspicious"},{"name":"Śubha","start":"05:18","end":"07:01","startHours":29.3067322020484,"endHours":31.02213529776639,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.02213529776639,"endHours":8.02213529776639,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.02213529776639,"endHours":9.02213529776639,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.02213529776639,"endHours":10.02213529776639,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.02213529776639,"endHours":11.02213529776639,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.02213529776639,"endHours":12.02213529776639,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.02213529776639,"endHours":13.02213529776639,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.02213529776639,"endHours":14.02213529776639,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.02213529776639,"endHours":15.02213529776639,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.02213529776639,"endHours":16.02213529776639,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.02213529776639,"endHours":17.02213529776639,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.02213529776639,"endHours":18.02213529776639,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.02213529776639,"endHours":19.02213529776639,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.02213529776639,"endHours":20.02213529776639,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.02213529776639,"endHours":21.02213529776639,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.02213529776639,"endHours":22.02213529776639,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.02213529776639,"endHours":23.02213529776639,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.02213529776639,"endHours":24.02213529776639,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.02213529776639,"endHours":25.02213529776639,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.02213529776639,"endHours":26.02213529776639,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.02213529776639,"endHours":27.02213529776639,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.02213529776639,"endHours":28.02213529776639,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.02213529776639,"endHours":29.02213529776639,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.02213529776639,"endHours":30.02213529776639,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.02213529776639,"endHours":31.02213529776639,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.658850023168515,"eotMinutes":7.298225106333945,"ayanamsa":22.6368}},"calendars":{"vikram_samvat":1969,"vikram_samvatsara":"Krodhana","saka_samvat":1834,"saka_samvatsara":"Paridhāvi","bengali_samvat":1319,"malayalam_era":1088,"nanakshahi_year":443,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Amāvasyā · Vikram 1969 Krodhana · Śaka 1834 Paridhāvi"},"festivals":[],"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":[{"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 December 8, 1912 CE · Ṛṣikeśa · Vidhyamitra","description":"December 8, 1912 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 07:01, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1912-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1912-12-08","sa":"https://sa.vidhyamitra.com/city/rishikesh/1912-12-08","hi":"https://hi.vidhyamitra.com/city/rishikesh/1912-12-08","x-default":"https://vidhyamitra.com/city/rishikesh/1912-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:32:08.532Z","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":"2026-05-31T14:32:08.532Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:32:08.532Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}