{"id":"vidhyamitra:city-day:rishikesh:1952-03-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1952-03-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1952-03-31","date_display":"March 31, 1952 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":1952,"month":3,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434102.770833,"kali_year":5053,"ahargana":1845637.2708,"sun":{"sidereal_longitude":347.3635,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":51.4928,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.1293,"elapsed_within_tithi_degrees":4.1293},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.4928,"elapsed_within_degrees":11.4928},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.8563},"karana":{"half_tithi_index":10,"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":1952,"month":3,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2434102.770833,"ahargana":1845637.2708,"kali_year":5053,"ayanamsa_lahiri":23.1859,"grahas":{"sun":{"sidereal_longitude":347.085432,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":51.26483200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":4.3975},"mars":{"sidereal_longitude":205.68003199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":356.933332,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":0.49363199999999097,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":325.296732,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":168.90333199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":309.2556,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":129.2556,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1952,"month":3,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434102.770833,"kali_year":5053,"ahargana":1845637.2708,"sun":{"sidereal_longitude":347.3635,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":51.4928,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.1293,"elapsed_within_tithi_degrees":4.1293},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.4928,"elapsed_within_degrees":11.4928},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.8563},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.398,"elongation":64.129},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.398,"opposition_distance":115.871}},"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":"06:08","sunsetLocal":"18:35","solarNoonLocal":"12:22","dayLengthHours":12.443619389531658,"dayLengthDisplay":"12 Hours 26 Mins 37 Secs","nightLengthDisplay":"11 Hours 33 Mins 23 Secs","moonriseLocal":"09:40","moonsetLocal":"23:37","rahuKala":{"name":"Rāhu Kāla","start":"07:42","end":"09:15","startHours":7.693497752527071,"endHours":9.248950176218528,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:22","startHours":10.804402599909984,"endHours":12.359855023601444,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:28","startHours":13.9153074472929,"endHours":15.470759870984356,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.041556519726335,"endHours":9.456343832710722,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.6565294700661,"endHours":6.98835932045361,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:46","startHours":11.945067710617053,"endHours":12.774642336585831,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:19","startHours":4.478896076898059,"endHours":5.3084707028668365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:08","startHours":5.101077046374643,"endHours":6.138045328835614,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:16","startHours":14.433791588523384,"endHours":15.26336621449216,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.381664718367272,"endHours":18.78166471836727,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:06","startHours":18.58166471836727,"endHours":19.100148859597756,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.33166471836727,"endHours":20.08166471836727,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:46","startHours":23.945067710617053,"endHours":24.774642336585828,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:08","end":"07:42","startHours":6.138045328835614,"endHours":7.693497752527071,"quality":"auspicious"},{"name":"Kāla","start":"07:42","end":"09:15","startHours":7.693497752527071,"endHours":9.248950176218528,"quality":"inauspicious"},{"name":"Śubha","start":"09:15","end":"10:48","startHours":9.248950176218528,"endHours":10.804402599909984,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:22","startHours":10.804402599909984,"endHours":12.359855023601444,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"13:55","startHours":12.359855023601444,"endHours":13.9153074472929,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:28","startHours":13.9153074472929,"endHours":15.470759870984356,"quality":"neutral"},{"name":"Labha","start":"15:28","end":"17:02","startHours":15.470759870984356,"endHours":17.026212294675815,"quality":"auspicious"},{"name":"Amṛta","start":"17:02","end":"18:35","startHours":17.026212294675815,"endHours":18.58166471836727,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:35","end":"20:02","startHours":18.58166471836727,"endHours":20.026212294675815,"quality":"neutral"},{"name":"Labha","start":"20:02","end":"21:28","startHours":20.026212294675815,"endHours":21.470759870984356,"quality":"auspicious"},{"name":"Amṛta","start":"21:28","end":"22:55","startHours":21.470759870984356,"endHours":22.9153074472929,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:22","startHours":22.9153074472929,"endHours":24.35985502360144,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"01:48","startHours":24.35985502360144,"endHours":25.804402599909984,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:15","startHours":25.804402599909984,"endHours":27.24895017621853,"quality":"inauspicious"},{"name":"Udveg","start":"03:15","end":"04:42","startHours":27.24895017621853,"endHours":28.693497752527072,"quality":"inauspicious"},{"name":"Chala","start":"04:42","end":"06:08","startHours":28.693497752527072,"endHours":30.138045328835613,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.138045328835614,"endHours":7.138045328835614,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.138045328835614,"endHours":8.138045328835613,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.138045328835613,"endHours":9.138045328835613,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.138045328835613,"endHours":10.138045328835613,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.138045328835613,"endHours":11.138045328835613,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.138045328835613,"endHours":12.138045328835613,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.138045328835613,"endHours":13.138045328835613,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.138045328835613,"endHours":14.138045328835613,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.138045328835613,"endHours":15.138045328835613,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.138045328835613,"endHours":16.138045328835613,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.138045328835613,"endHours":17.138045328835613,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.138045328835613,"endHours":18.138045328835613,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.138045328835613,"endHours":19.138045328835613,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.138045328835613,"endHours":20.138045328835613,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.138045328835613,"endHours":21.138045328835613,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.138045328835613,"endHours":22.138045328835613,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.138045328835613,"endHours":23.138045328835613,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.138045328835613,"endHours":24.138045328835613,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.138045328835613,"endHours":25.138045328835613,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.138045328835613,"endHours":26.138045328835613,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.138045328835613,"endHours":27.138045328835613,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.138045328835613,"endHours":28.138045328835613,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.138045328835613,"endHours":29.138045328835613,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.138045328835613,"endHours":30.138045328835613,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.06680984186071,"eotMinutes":-4.661701416086492,"ayanamsa":23.1859}},"calendars":{"vikram_samvat":2009,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1874,"saka_samvatsara":"Nandana","bengali_samvat":1359,"malayalam_era":1128,"nanakshahi_year":483,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Ṣaṣṭhī · Vikram 2009 Viśvāvasu · Śaka 1874 Nandana"},"festivals":[{"id":"yamuna-jayanti","name":"Yamunā Jayantī","name_sanskrit":"यमुना जयन्ती","tradition":"Vaishnava","associated_deity":"Yamunā Devī (Krishna's playmate)","significance":"Manifestation of Yamunā Devī; Vraja-bhakti-pravāhinī.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4}],"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 Rohiṇī","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 March 31, 1952 CE · Ṛṣikeśa · Vidhyamitra","description":"March 31, 1952 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 06:08, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1952-03-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1952-03-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/1952-03-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/1952-03-31","x-default":"https://vidhyamitra.com/city/rishikesh/1952-03-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:10:06.526Z","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":"2026-05-31T13:10:06.526Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:10:06.526Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}