{"id":"vidhyamitra:city-day:rishikesh:1939-04-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1939-04-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-04-23","date_display":"April 23, 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":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429376.770833,"kali_year":5041,"ahargana":1840911.2708,"sun":{"sidereal_longitude":9.2293,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":50.7258,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.4965,"elapsed_within_tithi_degrees":5.4965},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.7258,"elapsed_within_degrees":10.7258},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.955},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1939,"month":4,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429376.770833,"ahargana":1840911.2708,"kali_year":5041,"ayanamsa_lahiri":23.0051,"grahas":{"sun":{"sidereal_longitude":8.989899999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":50.377700000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":-2.3202},"mars":{"sidereal_longitude":264.9438,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":344.9817,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":333.83680000000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":334.81269999999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":359.8495,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":199.6618,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":19.6618,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1939,"month":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429376.770833,"kali_year":5041,"ahargana":1840911.2708,"sun":{"sidereal_longitude":9.2293,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":50.7258,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.4965,"elapsed_within_tithi_degrees":5.4965},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.7258,"elapsed_within_degrees":10.7258},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.955},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.32,"elongation":41.497},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.32,"opposition_distance":138.503}},"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":"05:43","sunsetLocal":"18:48","solarNoonLocal":"12:15","dayLengthHours":13.089159593936522,"dayLengthDisplay":"13 Hours 05 Mins 21 Secs","nightLengthDisplay":"10 Hours 54 Mins 39 Secs","moonriseLocal":"08:03","moonsetLocal":"21:59","rahuKala":{"name":"Rāhu Kāla","start":"17:10","end":"18:48","startHours":17.163885035315953,"endHours":18.80002998455802,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:53","startHours":12.255450187589759,"endHours":13.891595136831825,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:32","end":"17:10","startHours":15.527740086073887,"endHours":17.163885035315953,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:12","startHours":8.765007629206686,"endHours":9.201312949004569,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:36","startHours":6.256252040368852,"endHours":6.605296296207159,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:42","startHours":11.819144867791875,"endHours":12.691755507387642,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:50","startHours":3.9656491114299603,"endHours":4.838259751025729,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:43","startHours":4.620107091126787,"endHours":5.710870390621497,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:19","startHours":14.436976786579176,"endHours":15.309587426174945,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.60002998455802,"endHours":19.00002998455802,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:21","startHours":18.80002998455802,"endHours":19.345411634305375,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.55002998455802,"endHours":20.30002998455802,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:42","startHours":23.819144867791874,"endHours":24.691755507387644,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:43","end":"07:21","startHours":5.710870390621497,"endHours":7.347015339863562,"quality":"inauspicious"},{"name":"Chala","start":"07:21","end":"08:59","startHours":7.347015339863562,"endHours":8.983160289105626,"quality":"neutral"},{"name":"Labha","start":"08:59","end":"10:37","startHours":8.983160289105626,"endHours":10.619305238347692,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:15","startHours":10.619305238347692,"endHours":12.255450187589759,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:53","startHours":12.255450187589759,"endHours":13.891595136831825,"quality":"inauspicious"},{"name":"Śubha","start":"13:53","end":"15:32","startHours":13.891595136831825,"endHours":15.527740086073887,"quality":"auspicious"},{"name":"Roga","start":"15:32","end":"17:10","startHours":15.527740086073887,"endHours":17.163885035315953,"quality":"inauspicious"},{"name":"Udveg","start":"17:10","end":"18:48","startHours":17.163885035315953,"endHours":18.80002998455802,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:48","end":"20:10","startHours":18.80002998455802,"endHours":20.163885035315953,"quality":"auspicious"},{"name":"Roga","start":"20:10","end":"21:32","startHours":20.163885035315953,"endHours":21.52774008607389,"quality":"inauspicious"},{"name":"Udveg","start":"21:32","end":"22:53","startHours":21.52774008607389,"endHours":22.891595136831825,"quality":"inauspicious"},{"name":"Chala","start":"22:53","end":"00:15","startHours":22.891595136831825,"endHours":24.25545018758976,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:37","startHours":24.25545018758976,"endHours":25.619305238347692,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"02:59","startHours":25.619305238347692,"endHours":26.983160289105626,"quality":"auspicious"},{"name":"Kāla","start":"02:59","end":"04:21","startHours":26.983160289105626,"endHours":28.347015339863564,"quality":"inauspicious"},{"name":"Śubha","start":"04:21","end":"05:43","startHours":28.347015339863564,"endHours":29.710870390621498,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:43","end":"06:43","startHours":5.710870390621497,"endHours":6.710870390621497,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:43","end":"07:43","startHours":6.710870390621497,"endHours":7.710870390621497,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:43","end":"08:43","startHours":7.710870390621497,"endHours":8.710870390621498,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:43","end":"09:43","startHours":8.710870390621498,"endHours":9.710870390621498,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:43","end":"10:43","startHours":9.710870390621498,"endHours":10.710870390621498,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:43","end":"11:43","startHours":10.710870390621498,"endHours":11.710870390621498,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:43","end":"12:43","startHours":11.710870390621498,"endHours":12.710870390621498,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:43","end":"13:43","startHours":12.710870390621498,"endHours":13.710870390621498,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:43","end":"14:43","startHours":13.710870390621498,"endHours":14.710870390621498,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:43","end":"15:43","startHours":14.710870390621498,"endHours":15.710870390621498,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:43","end":"16:43","startHours":15.710870390621498,"endHours":16.710870390621498,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:43","end":"17:43","startHours":16.710870390621498,"endHours":17.710870390621498,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:43","end":"18:43","startHours":17.710870390621498,"endHours":18.710870390621498,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:43","end":"19:43","startHours":18.710870390621498,"endHours":19.710870390621498,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:43","end":"20:43","startHours":19.710870390621498,"endHours":20.710870390621498,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:43","end":"21:43","startHours":20.710870390621498,"endHours":21.710870390621498,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:43","end":"22:43","startHours":21.710870390621498,"endHours":22.710870390621498,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:43","end":"23:43","startHours":22.710870390621498,"endHours":23.710870390621498,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:43","end":"00:43","startHours":23.710870390621498,"endHours":24.710870390621498,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:43","end":"01:43","startHours":24.710870390621498,"endHours":25.710870390621498,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:43","end":"02:43","startHours":25.710870390621498,"endHours":26.710870390621498,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:43","end":"03:43","startHours":26.710870390621498,"endHours":27.710870390621498,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:43","end":"04:43","startHours":27.710870390621498,"endHours":28.710870390621498,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:43","end":"05:43","startHours":28.710870390621498,"endHours":29.710870390621498,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.165525752891005,"eotMinutes":1.6025887446145586,"ayanamsa":23.0051}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturthī · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[{"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 April 23, 1939 CE · Ṛṣikeśa · Vidhyamitra","description":"April 23, 1939 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 05:43, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1939-04-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1939-04-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/1939-04-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/1939-04-23","x-default":"https://vidhyamitra.com/city/rishikesh/1939-04-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:28:31.572Z","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":"2026-06-01T03:28:31.572Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:28:31.572Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}