{"id":"vidhyamitra:city-day:rishikesh:1939-12-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1939-12-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-12-04","date_display":"December 4, 1939 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":1939,"month":12,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429601.770833,"kali_year":5041,"ahargana":1841136.2708,"sun":{"sidereal_longitude":227.6338,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":139.6898,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.0561,"elapsed_within_tithi_degrees":8.0561},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.6898,"elapsed_within_degrees":6.3565},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.3236},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1939,"month":12,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429601.770833,"ahargana":1841136.2708,"kali_year":5041,"ayanamsa_lahiri":23.0138,"grahas":{"sun":{"sidereal_longitude":227.96800299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":140.38520300000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-3.3453},"mars":{"sidereal_longitude":317.07770299999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":217.16640299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":336.679303,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":251.381803,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":2.337202999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":187.7402,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":7.7402,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"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":1939,"month":12,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429601.770833,"kali_year":5041,"ahargana":1841136.2708,"sun":{"sidereal_longitude":227.6338,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":139.6898,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.0561,"elapsed_within_tithi_degrees":8.0561},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.6898,"elapsed_within_degrees":6.3565},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.3236},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.345,"elongation":87.944},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.345,"opposition_distance":92.056}},"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":"06:58","sunsetLocal":"17:18","solarNoonLocal":"12:08","dayLengthHours":10.329106166385586,"dayLengthDisplay":"10 Hours 19 Mins 45 Secs","nightLengthDisplay":"13 Hours 40 Mins 15 Secs","moonriseLocal":"00:00","moonsetLocal":"12:36","rahuKala":{"name":"Rāhu Kāla","start":"08:16","end":"09:33","startHours":8.259398112037019,"endHours":9.550536382835219,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:51","end":"12:08","startHours":10.841674653633415,"endHours":12.132812924431615,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:25","end":"14:43","startHours":13.423951195229812,"endHours":14.715089466028012,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:43","startHours":9.378384613395458,"endHours":9.722688152274978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:40","startHours":7.398639264838221,"endHours":7.674082095941836,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:29","startHours":11.788509385552096,"endHours":12.477116463311134,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:17","startHours":5.591045685720744,"endHours":6.279652763479782,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:58","startHours":6.107500994040023,"endHours":6.9682598412388215,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:33","startHours":13.854330618829213,"endHours":14.542937696588252,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.09736600762441,"endHours":17.497366007624407,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.297366007624408,"endHours":17.72774543122381,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.047366007624408,"endHours":18.797366007624408,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:29","startHours":23.788509385552096,"endHours":24.477116463311134,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:58","end":"08:16","startHours":6.9682598412388215,"endHours":8.259398112037019,"quality":"auspicious"},{"name":"Kāla","start":"08:16","end":"09:33","startHours":8.259398112037019,"endHours":9.550536382835219,"quality":"inauspicious"},{"name":"Śubha","start":"09:33","end":"10:51","startHours":9.550536382835219,"endHours":10.841674653633415,"quality":"auspicious"},{"name":"Roga","start":"10:51","end":"12:08","startHours":10.841674653633415,"endHours":12.132812924431615,"quality":"inauspicious"},{"name":"Udveg","start":"12:08","end":"13:25","startHours":12.132812924431615,"endHours":13.423951195229812,"quality":"inauspicious"},{"name":"Chala","start":"13:25","end":"14:43","startHours":13.423951195229812,"endHours":14.715089466028012,"quality":"neutral"},{"name":"Labha","start":"14:43","end":"16:00","startHours":14.715089466028012,"endHours":16.006227736826208,"quality":"auspicious"},{"name":"Amṛta","start":"16:00","end":"17:18","startHours":16.006227736826208,"endHours":17.297366007624408,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:18","end":"19:00","startHours":17.297366007624408,"endHours":19.00622773682621,"quality":"neutral"},{"name":"Labha","start":"19:00","end":"20:43","startHours":19.00622773682621,"endHours":20.71508946602801,"quality":"auspicious"},{"name":"Amṛta","start":"20:43","end":"22:25","startHours":20.71508946602801,"endHours":22.42395119522981,"quality":"auspicious"},{"name":"Kāla","start":"22:25","end":"00:08","startHours":22.42395119522981,"endHours":24.132812924431615,"quality":"inauspicious"},{"name":"Śubha","start":"00:08","end":"01:51","startHours":24.132812924431615,"endHours":25.84167465363342,"quality":"auspicious"},{"name":"Roga","start":"01:51","end":"03:33","startHours":25.84167465363342,"endHours":27.55053638283522,"quality":"inauspicious"},{"name":"Udveg","start":"03:33","end":"05:16","startHours":27.55053638283522,"endHours":29.25939811203702,"quality":"inauspicious"},{"name":"Chala","start":"05:16","end":"06:58","startHours":29.25939811203702,"endHours":30.968259841238822,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.9682598412388215,"endHours":7.9682598412388215,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.9682598412388215,"endHours":8.968259841238822,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.968259841238822,"endHours":9.968259841238822,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.968259841238822,"endHours":10.968259841238822,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.968259841238822,"endHours":11.968259841238822,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.968259841238822,"endHours":12.968259841238822,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.968259841238822,"endHours":13.968259841238822,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.968259841238822,"endHours":14.968259841238822,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.968259841238822,"endHours":15.968259841238822,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.968259841238822,"endHours":16.968259841238822,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.968259841238822,"endHours":17.968259841238822,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.968259841238822,"endHours":18.968259841238822,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.968259841238822,"endHours":19.968259841238822,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.968259841238822,"endHours":20.968259841238822,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.968259841238822,"endHours":21.968259841238822,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.968259841238822,"endHours":22.968259841238822,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.968259841238822,"endHours":23.968259841238822,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.968259841238822,"endHours":24.968259841238822,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.968259841238822,"endHours":25.968259841238822,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.968259841238822,"endHours":26.968259841238822,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.968259841238822,"endHours":27.968259841238822,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.968259841238822,"endHours":28.968259841238822,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.968259841238822,"endHours":29.968259841238822,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.968259841238822,"endHours":30.968259841238822,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.08751043694571,"eotMinutes":8.960824534103129,"ayanamsa":23.0138}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"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 Aṣṭamī · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[{"id":"kalabhairava-ashtami","name":"Kālabhairava Aṣṭamī","name_sanskrit":"कालभैरव अष्टमी","tradition":"Shaiva","associated_deity":"Kālabhairava (fierce Śiva)","significance":"Kālabhairava's manifestation; Kāśī-kṣetrapāla.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 4, 1939 CE · Ṛṣikeśa · Vidhyamitra","description":"December 4, 1939 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 06:58, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1939-12-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1939-12-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/1939-12-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/1939-12-04","x-default":"https://vidhyamitra.com/city/rishikesh/1939-12-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:17:11.526Z","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":"2026-05-31T18:17:11.526Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:17:11.526Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}