{"id":"vidhyamitra:city-day:rishikesh:1938-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1938-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1938-12-10","date_display":"December 10, 1938 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":1938,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429242.770833,"kali_year":5040,"ahargana":1840777.2708,"sun":{"sidereal_longitude":234.0401,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":87.6734,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":213.6333,"elapsed_within_tithi_degrees":9.6333},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.6734,"elapsed_within_degrees":7.6734},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.7136},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":1938,"month":12,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429242.770833,"ahargana":1840777.2708,"kali_year":5040,"ayanamsa_lahiri":23,"grahas":{"sun":{"sidereal_longitude":234.32101899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":90.70031900000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-3.9315},"mars":{"sidereal_longitude":186.63691900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":245.12611900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":304.29441900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":207.38951900000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":348.690519,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":206.7618,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":26.7618,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1938,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429242.770833,"kali_year":5040,"ahargana":1840777.2708,"sun":{"sidereal_longitude":234.0401,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":87.6734,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":213.6333,"elapsed_within_tithi_degrees":9.6333},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.6734,"elapsed_within_degrees":7.6734},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.7136},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.931,"elongation":146.367},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.931,"opposition_distance":33.633}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":0.791,"elongation":2.191}]},"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":10.260797146816348,"dayLengthDisplay":"10 Hours 15 Mins 39 Secs","nightLengthDisplay":"13 Hours 44 Mins 21 Secs","moonriseLocal":"19:41","moonsetLocal":"09:31","rahuKala":{"name":"Rāhu Kāla","start":"09:37","end":"10:54","startHours":9.609793847658327,"endHours":10.89239349101037,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:44","startHours":13.457592777714456,"endHours":14.740192421066501,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:03","end":"08:20","startHours":7.04459456095424,"endHours":8.327194204306284,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:47","startHours":9.438780561878055,"endHours":9.7808071334386,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:45","startHours":7.472127775404921,"endHours":7.745749032653357,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.83296656280187,"endHours":12.51701970592296,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:22","startHours":5.67648827471206,"endHours":6.360541417833151,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:03","startHours":6.189528132052878,"endHours":7.04459456095424,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:34","startHours":13.88512599216514,"endHours":14.56917913528623,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.10539170777059,"endHours":17.50539170777059,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.30539170777059,"endHours":17.73292492222127,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.05539170777059,"endHours":18.80539170777059,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.83296656280187,"endHours":24.517019705922962,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:03","end":"08:20","startHours":7.04459456095424,"endHours":8.327194204306284,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:37","startHours":8.327194204306284,"endHours":9.609793847658327,"quality":"auspicious"},{"name":"Roga","start":"09:37","end":"10:54","startHours":9.609793847658327,"endHours":10.89239349101037,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:10","startHours":10.89239349101037,"endHours":12.174993134362413,"quality":"inauspicious"},{"name":"Chala","start":"12:10","end":"13:27","startHours":12.174993134362413,"endHours":13.457592777714456,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:44","startHours":13.457592777714456,"endHours":14.740192421066501,"quality":"auspicious"},{"name":"Amṛta","start":"14:44","end":"16:01","startHours":14.740192421066501,"endHours":16.022792064418546,"quality":"auspicious"},{"name":"Kāla","start":"16:01","end":"17:18","startHours":16.022792064418546,"endHours":17.30539170777059,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:18","end":"19:01","startHours":17.30539170777059,"endHours":19.022792064418546,"quality":"auspicious"},{"name":"Amṛta","start":"19:01","end":"20:44","startHours":19.022792064418546,"endHours":20.740192421066503,"quality":"auspicious"},{"name":"Kāla","start":"20:44","end":"22:27","startHours":20.740192421066503,"endHours":22.45759277771446,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"00:10","startHours":22.45759277771446,"endHours":24.174993134362417,"quality":"auspicious"},{"name":"Roga","start":"00:10","end":"01:54","startHours":24.174993134362417,"endHours":25.892393491010374,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:37","startHours":25.892393491010374,"endHours":27.609793847658327,"quality":"inauspicious"},{"name":"Chala","start":"03:37","end":"05:20","startHours":27.609793847658327,"endHours":29.327194204306284,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"07:03","startHours":29.327194204306284,"endHours":31.04459456095424,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.04459456095424,"endHours":8.044594560954241,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.044594560954241,"endHours":9.044594560954241,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.044594560954241,"endHours":10.044594560954241,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.044594560954241,"endHours":11.044594560954241,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.044594560954241,"endHours":12.044594560954241,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.044594560954241,"endHours":13.044594560954241,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.044594560954241,"endHours":14.044594560954241,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.044594560954241,"endHours":15.044594560954241,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.044594560954241,"endHours":16.04459456095424,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.04459456095424,"endHours":17.04459456095424,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.04459456095424,"endHours":18.04459456095424,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.04459456095424,"endHours":19.04459456095424,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.04459456095424,"endHours":20.04459456095424,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.04459456095424,"endHours":21.04459456095424,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.04459456095424,"endHours":22.04459456095424,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.04459456095424,"endHours":23.04459456095424,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.04459456095424,"endHours":24.04459456095424,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.04459456095424,"endHours":25.04459456095424,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.04459456095424,"endHours":26.04459456095424,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.04459456095424,"endHours":27.04459456095424,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.04459456095424,"endHours":28.04459456095424,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.04459456095424,"endHours":29.04459456095424,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.04459456095424,"endHours":30.04459456095424,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.04459456095424,"endHours":31.04459456095424,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","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":-22.83221229519083,"eotMinutes":6.4300119382551255,"ayanamsa":23}},"calendars":{"vikram_samvat":1995,"vikram_samvatsara":"Khara","saka_samvat":1860,"saka_samvatsara":"Bahudhānya","bengali_samvat":1345,"malayalam_era":1114,"nanakshahi_year":469,"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 Tṛtīyā · Vikram 1995 Khara · Śaka 1860 Bahudhānya"},"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 10, 1938 CE · Ṛṣikeśa · Vidhyamitra","description":"December 10, 1938 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 07:03, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1938-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1938-12-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1938-12-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1938-12-10","x-default":"https://vidhyamitra.com/city/rishikesh/1938-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:43:43.100Z","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":"2026-05-31T18:43:43.100Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:43:43.100Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}