{"id":"vidhyamitra:city-day:rishikesh:1927-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1927-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1927-12-10","date_display":"December 10, 1927 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":1927,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425224.770833,"kali_year":5029,"ahargana":1836759.2708,"sun":{"sidereal_longitude":233.8827,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":72.2235,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.3408,"elapsed_within_tithi_degrees":6.3408},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.2235,"elapsed_within_degrees":5.5568},"yoga":{"number":23,"name":"Śubha","sum_longitude":306.1061},"karana":{"half_tithi_index":33,"name":"Gara"},"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":1927,"month":12,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2425224.770833,"ahargana":1836759.2708,"kali_year":5029,"ayanamsa_lahiri":22.8463,"grahas":{"sun":{"sidereal_longitude":234.13893699999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":71.86113699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":0.9783},"mars":{"sidereal_longitude":219.304937,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":219.017337,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":332.890437,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":189.43393700000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":228.35583700000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":59.6547,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":239.6547,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1927,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425224.770833,"kali_year":5029,"ahargana":1836759.2708,"sun":{"sidereal_longitude":233.8827,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":72.2235,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.3408,"elapsed_within_tithi_degrees":6.3408},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.2235,"elapsed_within_degrees":5.5568},"yoga":{"number":23,"name":"Śubha","sum_longitude":306.1061},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.978,"elongation":161.659},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.978,"opposition_distance":18.341}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-0.581,"elongation":1.913}]},"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":"07:03","sunsetLocal":"17:18","solarNoonLocal":"12:10","dayLengthHours":10.263769854792198,"dayLengthDisplay":"10 Hours 15 Mins 50 Secs","nightLengthDisplay":"13 Hours 44 Mins 10 Secs","moonriseLocal":"18:20","moonsetLocal":"08:22","rahuKala":{"name":"Rāhu Kāla","start":"09:37","end":"10:54","startHours":9.609050670664367,"endHours":10.89202190251339,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:44","startHours":13.45796436621144,"endHours":14.740935598060464,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:03","end":"08:20","startHours":7.043108206966316,"endHours":8.326079438815341,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:47","startHours":9.437987839751163,"endHours":9.780113501577569,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:45","startHours":7.470765284249325,"endHours":7.74446581371045,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.832867472536009,"endHours":12.517118796188822,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:22","startHours":5.67460555966069,"endHours":6.3588568833135035,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:03","startHours":6.1877940524002994,"endHours":7.043108206966316,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:34","startHours":13.885621443494447,"endHours":14.56987276714726,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.106878061758515,"endHours":17.506878061758513,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.306878061758514,"endHours":17.734535139041522,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.056878061758514,"endHours":18.806878061758514,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.83286747253601,"endHours":24.517118796188825,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:03","end":"08:20","startHours":7.043108206966316,"endHours":8.326079438815341,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:37","startHours":8.326079438815341,"endHours":9.609050670664367,"quality":"auspicious"},{"name":"Roga","start":"09:37","end":"10:54","startHours":9.609050670664367,"endHours":10.89202190251339,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:10","startHours":10.89202190251339,"endHours":12.174993134362415,"quality":"inauspicious"},{"name":"Chala","start":"12:10","end":"13:27","startHours":12.174993134362415,"endHours":13.45796436621144,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:44","startHours":13.45796436621144,"endHours":14.740935598060464,"quality":"auspicious"},{"name":"Amṛta","start":"14:44","end":"16:01","startHours":14.740935598060464,"endHours":16.02390682990949,"quality":"auspicious"},{"name":"Kāla","start":"16:01","end":"17:18","startHours":16.02390682990949,"endHours":17.306878061758514,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:18","end":"19:01","startHours":17.306878061758514,"endHours":19.02390682990949,"quality":"auspicious"},{"name":"Amṛta","start":"19:01","end":"20:44","startHours":19.02390682990949,"endHours":20.740935598060464,"quality":"auspicious"},{"name":"Kāla","start":"20:44","end":"22:27","startHours":20.740935598060464,"endHours":22.457964366211442,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"00:10","startHours":22.457964366211442,"endHours":24.174993134362417,"quality":"auspicious"},{"name":"Roga","start":"00:10","end":"01:54","startHours":24.174993134362417,"endHours":25.89202190251339,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:37","startHours":25.89202190251339,"endHours":27.609050670664367,"quality":"inauspicious"},{"name":"Chala","start":"03:37","end":"05:20","startHours":27.609050670664367,"endHours":29.32607943881534,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"07:03","startHours":29.32607943881534,"endHours":31.043108206966316,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.043108206966316,"endHours":8.043108206966316,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.043108206966316,"endHours":9.043108206966316,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.043108206966316,"endHours":10.043108206966316,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.043108206966316,"endHours":11.043108206966316,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.043108206966316,"endHours":12.043108206966316,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.043108206966316,"endHours":13.043108206966316,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.043108206966316,"endHours":14.043108206966316,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.043108206966316,"endHours":15.043108206966316,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.043108206966316,"endHours":16.043108206966316,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.043108206966316,"endHours":17.043108206966316,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.043108206966316,"endHours":18.043108206966316,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.043108206966316,"endHours":19.043108206966316,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.043108206966316,"endHours":20.043108206966316,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.043108206966316,"endHours":21.043108206966316,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.043108206966316,"endHours":22.043108206966316,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.043108206966316,"endHours":23.043108206966316,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.043108206966316,"endHours":24.043108206966316,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.043108206966316,"endHours":25.043108206966316,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.043108206966316,"endHours":26.043108206966316,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.043108206966316,"endHours":27.043108206966316,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.043108206966316,"endHours":28.043108206966316,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.043108206966316,"endHours":29.043108206966316,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.043108206966316,"endHours":30.043108206966316,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.043108206966316,"endHours":31.043108206966316,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","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":-22.799996982286455,"eotMinutes":6.4300119382551255,"ayanamsa":22.8463}},"calendars":{"vikram_samvat":1984,"vikram_samvatsara":"Vikrama","saka_samvat":1849,"saka_samvatsara":"Prabhava","bengali_samvat":1334,"malayalam_era":1103,"nanakshahi_year":458,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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":"Pauṣa Kṛṣṇa Dvitīyā · Vikram 1984 Vikrama · Śaka 1849 Prabhava"},"festivals":[],"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":[]},"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 10, 1927 CE · Ṛṣikeśa · Vidhyamitra","description":"December 10, 1927 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 07:03, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1927-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1927-12-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1927-12-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1927-12-10","x-default":"https://vidhyamitra.com/city/rishikesh/1927-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:59:42.675Z","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":"2026-05-31T23:59:42.675Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:59:42.675Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}