{"id":"vidhyamitra:city-day:rishikesh:1929-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1929-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1929-05-20","date_display":"May 20, 1929 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":1929,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425751.770833,"kali_year":5031,"ahargana":1837286.2708,"sun":{"sidereal_longitude":35.7873,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":175.3516,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.5643,"elapsed_within_tithi_degrees":7.5643},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.3516,"elapsed_within_degrees":2.0182},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.1388},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1929,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2425751.770833,"ahargana":1837286.2708,"kali_year":5031,"ayanamsa_lahiri":22.8665,"grahas":{"sun":{"sidereal_longitude":35.67270100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":176.362801,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":2.6674},"mars":{"sidereal_longitude":101.90190100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":58.024901,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":32.849801000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":1.0678010000000313,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":246.74100099999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":31.7317,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.7317,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"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":1929,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425751.770833,"kali_year":5031,"ahargana":1837286.2708,"sun":{"sidereal_longitude":35.7873,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":175.3516,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.5643,"elapsed_within_tithi_degrees":7.5643},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.3516,"elapsed_within_degrees":2.0182},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.1388},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.667,"elongation":139.564},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.667,"opposition_distance":40.436}},"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":"05:21","sunsetLocal":"19:06","solarNoonLocal":"12:13","dayLengthHours":13.747953467615169,"dayLengthDisplay":"13 Hours 44 Mins 53 Secs","nightLengthDisplay":"10 Hours 15 Mins 07 Secs","moonriseLocal":"15:51","moonsetLocal":"03:21","rahuKala":{"name":"Rāhu Kāla","start":"07:04","end":"08:47","startHours":7.066705566041226,"endHours":8.785199749493122,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:30","end":"12:13","startHours":10.50369393294502,"endHours":12.222188116396914,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:40","startHours":13.94068229984881,"endHours":15.659176483300707,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"09:01","startHours":8.556067191699537,"endHours":9.014332307286708,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:17","startHours":5.921042777073295,"endHours":6.287654869543033,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.763923000809742,"endHours":12.680453231984087,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:31","end":"04:26","startHours":3.515150920240641,"endHours":4.431681151414986,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:21","startHours":4.202548593621399,"endHours":5.34821138258933,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:26","startHours":14.513513694332776,"endHours":15.430043925507121,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.8961648502045,"endHours":19.296164850204498,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:40","startHours":19.0961648502045,"endHours":19.668996244688465,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.8461648502045,"endHours":20.5961648502045,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.763923000809744,"endHours":24.680453231984085,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:21","end":"07:04","startHours":5.34821138258933,"endHours":7.066705566041226,"quality":"auspicious"},{"name":"Kāla","start":"07:04","end":"08:47","startHours":7.066705566041226,"endHours":8.785199749493122,"quality":"inauspicious"},{"name":"Śubha","start":"08:47","end":"10:30","startHours":8.785199749493122,"endHours":10.50369393294502,"quality":"auspicious"},{"name":"Roga","start":"10:30","end":"12:13","startHours":10.50369393294502,"endHours":12.222188116396914,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:56","startHours":12.222188116396914,"endHours":13.94068229984881,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:40","startHours":13.94068229984881,"endHours":15.659176483300707,"quality":"neutral"},{"name":"Labha","start":"15:40","end":"17:23","startHours":15.659176483300707,"endHours":17.377670666752604,"quality":"auspicious"},{"name":"Amṛta","start":"17:23","end":"19:06","startHours":17.377670666752604,"endHours":19.0961648502045,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:06","end":"20:23","startHours":19.0961648502045,"endHours":20.377670666752604,"quality":"neutral"},{"name":"Labha","start":"20:23","end":"21:40","startHours":20.377670666752604,"endHours":21.659176483300705,"quality":"auspicious"},{"name":"Amṛta","start":"21:40","end":"22:56","startHours":21.659176483300705,"endHours":22.94068229984881,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:13","startHours":22.94068229984881,"endHours":24.222188116396914,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:30","startHours":24.222188116396914,"endHours":25.50369393294502,"quality":"auspicious"},{"name":"Roga","start":"01:30","end":"02:47","startHours":25.50369393294502,"endHours":26.785199749493124,"quality":"inauspicious"},{"name":"Udveg","start":"02:47","end":"04:04","startHours":26.785199749493124,"endHours":28.066705566041225,"quality":"inauspicious"},{"name":"Chala","start":"04:04","end":"05:21","startHours":28.066705566041225,"endHours":29.34821138258933,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.34821138258933,"endHours":6.34821138258933,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.34821138258933,"endHours":7.34821138258933,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.34821138258933,"endHours":8.34821138258933,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.34821138258933,"endHours":9.34821138258933,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.34821138258933,"endHours":10.34821138258933,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.34821138258933,"endHours":11.34821138258933,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.34821138258933,"endHours":12.34821138258933,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.34821138258933,"endHours":13.34821138258933,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.34821138258933,"endHours":14.34821138258933,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.34821138258933,"endHours":15.34821138258933,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.34821138258933,"endHours":16.34821138258933,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.34821138258933,"endHours":17.34821138258933,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.34821138258933,"endHours":18.34821138258933,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.34821138258933,"endHours":19.34821138258933,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.34821138258933,"endHours":20.34821138258933,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.34821138258933,"endHours":21.34821138258933,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.34821138258933,"endHours":22.34821138258933,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.34821138258933,"endHours":23.34821138258933,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.34821138258933,"endHours":24.34821138258933,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.34821138258933,"endHours":25.34821138258933,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.34821138258933,"endHours":26.34821138258933,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.34821138258933,"endHours":27.34821138258933,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.34821138258933,"endHours":28.34821138258933,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.34821138258933,"endHours":29.34821138258933,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.83208656930981,"eotMinutes":3.5983130161851964,"ayanamsa":22.8665}},"calendars":{"vikram_samvat":1986,"vikram_samvatsara":"Citrabhānu","saka_samvat":1851,"saka_samvatsara":"Śukla","bengali_samvat":1336,"malayalam_era":1105,"nanakshahi_year":460,"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":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvādaśī · Vikram 1986 Citrabhānu · Śaka 1851 Śukla"},"festivals":[],"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":[]},"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 20, 1929 CE · Ṛṣikeśa · Vidhyamitra","description":"May 20, 1929 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 05:21, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1929-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1929-05-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/1929-05-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/1929-05-20","x-default":"https://vidhyamitra.com/city/rishikesh/1929-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:34:06.749Z","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":"2026-05-31T01:34:06.749Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:34:06.749Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}