{"id":"vidhyamitra:city-day:rishikesh:1937-12-14:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1937-12-14","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1937-12-14","date_display":"December 14, 1937 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":1937,"month":12,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428881.770833,"kali_year":5039,"ahargana":1840416.2708,"sun":{"sidereal_longitude":238.4064,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":8.9121,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.5057,"elapsed_within_tithi_degrees":10.5057},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.9121,"elapsed_within_degrees":8.9121},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.3185},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1937,"month":12,"day":14,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428881.770833,"ahargana":1840416.2708,"kali_year":5039,"ayanamsa_lahiri":22.9862,"grahas":{"sun":{"sidereal_longitude":238.649312,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":6.4124120000000175,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":2.705},"mars":{"sidereal_longitude":302.07041200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":260.164712,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":276.45121199999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":227.049212,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":335.965012,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":225.8893,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.8893,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"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":1937,"month":12,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428881.770833,"kali_year":5039,"ahargana":1840416.2708,"sun":{"sidereal_longitude":238.4064,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":8.9121,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.5057,"elapsed_within_tithi_degrees":10.5057},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.9121,"elapsed_within_degrees":8.9121},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.3185},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.705,"elongation":130.506},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.705,"opposition_distance":49.494}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":0.204,"elongation":1.927}]},"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":"07:05","sunsetLocal":"17:19","solarNoonLocal":"12:12","dayLengthHours":10.229290887789254,"dayLengthDisplay":"10 Hours 13 Mins 45 Secs","nightLengthDisplay":"13 Hours 46 Mins 15 Secs","moonriseLocal":"14:14","moonsetLocal":"03:13","rahuKala":{"name":"Rāhu Kāla","start":"14:46","end":"16:02","startHours":14.762216225713457,"endHours":16.040877586687113,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:39","end":"10:56","startHours":9.64757078181883,"endHours":10.926232142792486,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:12","end":"13:29","startHours":12.204893503766144,"endHours":13.483554864739801,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:49","startHours":9.477082600355676,"endHours":9.818058963281985,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:47","startHours":7.516468513529402,"endHours":7.789249603870449,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:33","startHours":11.863917140839835,"endHours":12.545869866692453,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:24","startHours":5.7263426081662825,"endHours":6.4082953340188995,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:05","startHours":6.237807152555745,"endHours":7.0902480598715165,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:36","startHours":13.909775318397685,"endHours":14.591728044250301,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.11953894766077,"endHours":17.51953894766077,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:45","startHours":17.31953894766077,"endHours":17.745759401318658,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.06953894766077,"endHours":18.81953894766077,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:33","startHours":23.863917140839835,"endHours":24.545869866692453,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:05","end":"08:22","startHours":7.0902480598715165,"endHours":8.368909420845174,"quality":"inauspicious"},{"name":"Udveg","start":"08:22","end":"09:39","startHours":8.368909420845174,"endHours":9.64757078181883,"quality":"inauspicious"},{"name":"Chala","start":"09:39","end":"10:56","startHours":9.64757078181883,"endHours":10.926232142792486,"quality":"neutral"},{"name":"Labha","start":"10:56","end":"12:12","startHours":10.926232142792486,"endHours":12.204893503766144,"quality":"auspicious"},{"name":"Amṛta","start":"12:12","end":"13:29","startHours":12.204893503766144,"endHours":13.483554864739801,"quality":"auspicious"},{"name":"Kāla","start":"13:29","end":"14:46","startHours":13.483554864739801,"endHours":14.762216225713457,"quality":"inauspicious"},{"name":"Śubha","start":"14:46","end":"16:02","startHours":14.762216225713457,"endHours":16.040877586687113,"quality":"auspicious"},{"name":"Roga","start":"16:02","end":"17:19","startHours":16.040877586687113,"endHours":17.31953894766077,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:19","end":"19:02","startHours":17.31953894766077,"endHours":19.040877586687113,"quality":"inauspicious"},{"name":"Śubha","start":"19:02","end":"20:46","startHours":19.040877586687113,"endHours":20.76221622571346,"quality":"auspicious"},{"name":"Roga","start":"20:46","end":"22:29","startHours":20.76221622571346,"endHours":22.4835548647398,"quality":"inauspicious"},{"name":"Udveg","start":"22:29","end":"00:12","startHours":22.4835548647398,"endHours":24.204893503766144,"quality":"inauspicious"},{"name":"Chala","start":"00:12","end":"01:56","startHours":24.204893503766144,"endHours":25.926232142792486,"quality":"neutral"},{"name":"Labha","start":"01:56","end":"03:39","startHours":25.926232142792486,"endHours":27.64757078181883,"quality":"auspicious"},{"name":"Amṛta","start":"03:39","end":"05:22","startHours":27.64757078181883,"endHours":29.368909420845174,"quality":"auspicious"},{"name":"Kāla","start":"05:22","end":"07:05","startHours":29.368909420845174,"endHours":31.090248059871517,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.0902480598715165,"endHours":8.090248059871517,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.090248059871517,"endHours":9.090248059871517,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.090248059871517,"endHours":10.090248059871517,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.090248059871517,"endHours":11.090248059871517,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.090248059871517,"endHours":12.090248059871517,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.090248059871517,"endHours":13.090248059871517,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.090248059871517,"endHours":14.090248059871517,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.090248059871517,"endHours":15.090248059871517,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.090248059871517,"endHours":16.090248059871517,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.090248059871517,"endHours":17.090248059871517,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.090248059871517,"endHours":18.090248059871517,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.090248059871517,"endHours":19.090248059871517,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.090248059871517,"endHours":20.090248059871517,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.090248059871517,"endHours":21.090248059871517,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.090248059871517,"endHours":22.090248059871517,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.090248059871517,"endHours":23.090248059871517,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.090248059871517,"endHours":24.090248059871517,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.090248059871517,"endHours":25.090248059871517,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.090248059871517,"endHours":26.090248059871517,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.090248059871517,"endHours":27.090248059871517,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.090248059871517,"endHours":28.090248059871517,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.090248059871517,"endHours":29.090248059871517,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.090248059871517,"endHours":30.090248059871517,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.090248059871517,"endHours":31.090248059871517,"planetary_lord":"Saturn"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Vajra","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":-23.172558890377367,"eotMinutes":4.63598977403141,"ayanamsa":22.9862}},"calendars":{"vikram_samvat":1994,"vikram_samvatsara":"Vikṛti","saka_samvat":1859,"saka_samvatsara":"Īśvara","bengali_samvat":1344,"malayalam_era":1113,"nanakshahi_year":468,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","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":"Mārgaśīrṣa Śukla Ekādaśī · Vikram 1994 Vikṛti · Śaka 1859 Īśvara"},"festivals":[{"id":"gita-jayanti","name":"Gītā Jayantī (= Mokṣadā Ekādaśī)","name_sanskrit":"गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad-Gītā speaker)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra (Mahābhārata Day 1).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavad Gītā delivered at Kurukṣetra (Mahābhārata Day 1)","date_julian":"-3137-10-04","location":"Kurukṣetra"},"sources":["Bhagavad Gītā (Mahābhārata, Bhīṣma Parva)"]},{"id":"vaikuntha-ekadashi","name":"Vaikuṇṭha Ekādaśī","name_sanskrit":"वैकुण्ठ एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Most sacred Ekādaśī of the year; 'Vaikuṇṭha-dvāram udghaṭitam'.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2},{"id":"mokshada-ekadashi","name":"Mokṣadā Ekādaśī (Gītā Jayantī)","name_sanskrit":"मोक्षदा एकादशी / गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad Gītā delivery)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 14, 1937 CE · Ṛṣikeśa · Vidhyamitra","description":"December 14, 1937 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 07:05, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1937-12-14","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1937-12-14","sa":"https://sa.vidhyamitra.com/city/rishikesh/1937-12-14","hi":"https://hi.vidhyamitra.com/city/rishikesh/1937-12-14","x-default":"https://vidhyamitra.com/city/rishikesh/1937-12-14"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:27:14.659Z","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":"2026-06-02T13:27:14.659Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:27:14.659Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}