{"id":"vidhyamitra:city-day:rishikesh:1952-05-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1952-05-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1952-05-04","date_display":"May 4, 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":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434136.770833,"kali_year":5054,"ahargana":1845671.2708,"sun":{"sidereal_longitude":20.4808,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":131.4279,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.9471,"elapsed_within_tithi_degrees":2.9471},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.4279,"elapsed_within_degrees":11.4279},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.9087},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":5,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2434136.770833,"ahargana":1845671.2708,"kali_year":5054,"ayanamsa_lahiri":23.1872,"grahas":{"sun":{"sidereal_longitude":20.327932999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":130.864033,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-0.3115},"mars":{"sidereal_longitude":196.925433,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":354.305533,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":8.627633000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":7.111933000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":166.47983299999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":307.4541,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":127.4541,"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":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434136.770833,"kali_year":5054,"ahargana":1845671.2708,"sun":{"sidereal_longitude":20.4808,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":131.4279,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.9471,"elapsed_within_tithi_degrees":2.9471},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.4279,"elapsed_within_degrees":11.4279},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.9087},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.312,"elongation":110.947},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.312,"opposition_distance":69.053}},"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":"05:32","sunsetLocal":"18:56","solarNoonLocal":"12:14","dayLengthHours":13.401607022881997,"dayLengthDisplay":"13 Hours 24 Mins 06 Secs","nightLengthDisplay":"10 Hours 35 Mins 54 Secs","moonriseLocal":"13:10","moonsetLocal":"02:02","rahuKala":{"name":"Rāhu Kāla","start":"17:15","end":"18:56","startHours":17.253455006612754,"endHours":18.928655884473002,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:54","startHours":12.227852373032004,"endHours":13.903053250892253,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:35","end":"17:15","startHours":15.578254128752505,"endHours":17.253455006612754,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:06","startHours":8.654090500263472,"endHours":9.10081073435954,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:27","startHours":6.08544915421109,"endHours":6.442825341487943,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:40","startHours":11.781132138935938,"endHours":12.67457260712807,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:38","startHours":3.74016792520674,"endHours":4.633608393398873,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:32","startHours":4.41024827635084,"endHours":5.527048861591006,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:21","startHours":14.461453543512338,"endHours":15.354894011704472,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.728655884473003,"endHours":19.128655884473,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:29","startHours":18.928655884473002,"endHours":19.487056177093084,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.678655884473002,"endHours":20.428655884473002,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:40","startHours":23.781132138935938,"endHours":24.67457260712807,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:32","end":"07:12","startHours":5.527048861591006,"endHours":7.202249739451256,"quality":"inauspicious"},{"name":"Chala","start":"07:12","end":"08:53","startHours":7.202249739451256,"endHours":8.877450617311506,"quality":"neutral"},{"name":"Labha","start":"08:53","end":"10:33","startHours":8.877450617311506,"endHours":10.552651495171755,"quality":"auspicious"},{"name":"Amṛta","start":"10:33","end":"12:14","startHours":10.552651495171755,"endHours":12.227852373032004,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:54","startHours":12.227852373032004,"endHours":13.903053250892253,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:35","startHours":13.903053250892253,"endHours":15.578254128752505,"quality":"auspicious"},{"name":"Roga","start":"15:35","end":"17:15","startHours":15.578254128752505,"endHours":17.253455006612754,"quality":"inauspicious"},{"name":"Udveg","start":"17:15","end":"18:56","startHours":17.253455006612754,"endHours":18.928655884473002,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:56","end":"20:15","startHours":18.928655884473002,"endHours":20.253455006612754,"quality":"auspicious"},{"name":"Roga","start":"20:15","end":"21:35","startHours":20.253455006612754,"endHours":21.578254128752505,"quality":"inauspicious"},{"name":"Udveg","start":"21:35","end":"22:54","startHours":21.578254128752505,"endHours":22.903053250892253,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:14","startHours":22.903053250892253,"endHours":24.227852373032004,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:33","startHours":24.227852373032004,"endHours":25.552651495171755,"quality":"auspicious"},{"name":"Amṛta","start":"01:33","end":"02:53","startHours":25.552651495171755,"endHours":26.877450617311503,"quality":"auspicious"},{"name":"Kāla","start":"02:53","end":"04:12","startHours":26.877450617311503,"endHours":28.202249739451254,"quality":"inauspicious"},{"name":"Śubha","start":"04:12","end":"05:32","startHours":28.202249739451254,"endHours":29.527048861591005,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.527048861591006,"endHours":6.527048861591006,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.527048861591006,"endHours":7.527048861591006,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.527048861591006,"endHours":8.527048861591005,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.527048861591005,"endHours":9.527048861591005,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.527048861591005,"endHours":10.527048861591005,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.527048861591005,"endHours":11.527048861591005,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.527048861591005,"endHours":12.527048861591005,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.527048861591005,"endHours":13.527048861591005,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.527048861591005,"endHours":14.527048861591005,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.527048861591005,"endHours":15.527048861591005,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.527048861591005,"endHours":16.527048861591005,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.527048861591005,"endHours":17.527048861591005,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.527048861591005,"endHours":18.527048861591005,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.527048861591005,"endHours":19.527048861591005,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.527048861591005,"endHours":20.527048861591005,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.527048861591005,"endHours":21.527048861591005,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.527048861591005,"endHours":22.527048861591005,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.527048861591005,"endHours":23.527048861591005,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.527048861591005,"endHours":24.527048861591005,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.527048861591005,"endHours":25.527048861591005,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.527048861591005,"endHours":26.527048861591005,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.527048861591005,"endHours":27.527048861591005,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.527048861591005,"endHours":28.527048861591005,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.527048861591005,"endHours":29.527048861591005,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":15.893919351972816,"eotMinutes":3.258457618079846,"ayanamsa":23.1872}},"calendars":{"vikram_samvat":2009,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1874,"saka_samvatsara":"Nandana","bengali_samvat":1359,"malayalam_era":1128,"nanakshahi_year":483,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Daśamī · Vikram 2009 Viśvāvasu · Śaka 1874 Nandana"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 May 4, 1952 CE · Ṛṣikeśa · Vidhyamitra","description":"May 4, 1952 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 05:32, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1952-05-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1952-05-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/1952-05-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/1952-05-04","x-default":"https://vidhyamitra.com/city/rishikesh/1952-05-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T11:43:16.399Z","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":"2026-05-24T11:43:16.399Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T11:43:16.399Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}