{"id":"vidhyamitra:city-day:rishikesh:1955-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1955-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1955-05-09","date_display":"May 9, 1955 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":1955,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435236.770833,"kali_year":5057,"ahargana":1846771.2708,"sun":{"sidereal_longitude":24.546,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":230.2849,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.7389,"elapsed_within_tithi_degrees":1.7389},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":230.2849,"elapsed_within_degrees":3.6183},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.831},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1955,"month":5,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2435236.770833,"ahargana":1846771.2708,"kali_year":5057,"ayanamsa_lahiri":23.2293,"grahas":{"sun":{"sidereal_longitude":24.42310500000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":227.52000500000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":-1.4552},"mars":{"sidereal_longitude":56.26750500000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":41.99500499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":90.711705,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"venus":{"sidereal_longitude":354.729405,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":205.06720500000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":249.1708,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":69.1708,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"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":1955,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435236.770833,"kali_year":5057,"ahargana":1846771.2708,"sun":{"sidereal_longitude":24.546,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":230.2849,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.7389,"elapsed_within_tithi_degrees":1.7389},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":230.2849,"elapsed_within_degrees":3.6183},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.831},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.455,"elongation":154.261},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.455,"opposition_distance":25.739}},"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":"05:28","sunsetLocal":"18:58","solarNoonLocal":"12:13","dayLengthHours":13.505210603298957,"dayLengthDisplay":"13 Hours 30 Mins 19 Secs","nightLengthDisplay":"10 Hours 29 Mins 41 Secs","moonriseLocal":"20:37","moonsetLocal":"06:54","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:51","startHours":7.15718171602379,"endHours":8.84533304143616,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:32","end":"12:13","startHours":10.53348436684853,"endHours":12.2216356922609,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:36","startHours":13.909787017673269,"endHours":15.597938343085639,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.620246198047845,"endHours":9.070419884824476,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:24","startHours":6.03174749908221,"endHours":6.391886448503516,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.771462005484267,"endHours":12.67180937903753,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:34","startHours":3.668335643504893,"endHours":4.568683017058157,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:21","end":"05:28","startHours":4.343596173669841,"endHours":5.469030390611421,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:22","startHours":14.472504126144058,"endHours":15.37285149969732,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.77424099391038,"endHours":19.174240993910377,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:32","startHours":18.974240993910378,"endHours":19.536958102381167,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.724240993910378,"endHours":20.474240993910378,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.771462005484263,"endHours":24.67180937903753,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:28","end":"07:09","startHours":5.469030390611421,"endHours":7.15718171602379,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:51","startHours":7.15718171602379,"endHours":8.84533304143616,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:32","startHours":8.84533304143616,"endHours":10.53348436684853,"quality":"auspicious"},{"name":"Roga","start":"10:32","end":"12:13","startHours":10.53348436684853,"endHours":12.2216356922609,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:55","startHours":12.2216356922609,"endHours":13.909787017673269,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:36","startHours":13.909787017673269,"endHours":15.597938343085639,"quality":"neutral"},{"name":"Labha","start":"15:36","end":"17:17","startHours":15.597938343085639,"endHours":17.286089668498008,"quality":"auspicious"},{"name":"Amṛta","start":"17:17","end":"18:58","startHours":17.286089668498008,"endHours":18.974240993910378,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:58","end":"20:17","startHours":18.974240993910378,"endHours":20.286089668498008,"quality":"neutral"},{"name":"Labha","start":"20:17","end":"21:36","startHours":20.286089668498008,"endHours":21.597938343085637,"quality":"auspicious"},{"name":"Amṛta","start":"21:36","end":"22:55","startHours":21.597938343085637,"endHours":22.909787017673267,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:13","startHours":22.909787017673267,"endHours":24.2216356922609,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:32","startHours":24.2216356922609,"endHours":25.53348436684853,"quality":"auspicious"},{"name":"Roga","start":"01:32","end":"02:51","startHours":25.53348436684853,"endHours":26.84533304143616,"quality":"inauspicious"},{"name":"Udveg","start":"02:51","end":"04:09","startHours":26.84533304143616,"endHours":28.157181716023793,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:28","startHours":28.157181716023793,"endHours":29.469030390611422,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.469030390611421,"endHours":6.469030390611421,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.469030390611421,"endHours":7.469030390611421,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.469030390611421,"endHours":8.46903039061142,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.46903039061142,"endHours":9.46903039061142,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.46903039061142,"endHours":10.46903039061142,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.46903039061142,"endHours":11.46903039061142,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.46903039061142,"endHours":12.46903039061142,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.46903039061142,"endHours":13.46903039061142,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.46903039061142,"endHours":14.46903039061142,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.46903039061142,"endHours":15.46903039061142,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.46903039061142,"endHours":16.469030390611422,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.469030390611422,"endHours":17.469030390611422,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.469030390611422,"endHours":18.469030390611422,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.469030390611422,"endHours":19.469030390611422,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.469030390611422,"endHours":20.469030390611422,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.469030390611422,"endHours":21.469030390611422,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.469030390611422,"endHours":22.469030390611422,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.469030390611422,"endHours":23.469030390611422,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.469030390611422,"endHours":24.469030390611422,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.469030390611422,"endHours":25.469030390611422,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.469030390611422,"endHours":26.469030390611422,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.469030390611422,"endHours":27.469030390611422,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.469030390611422,"endHours":28.469030390611422,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.469030390611422,"endHours":29.469030390611422,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.09475547536288,"eotMinutes":3.631458464346112,"ayanamsa":23.2293}},"calendars":{"vikram_samvat":2012,"vikram_samvatsara":"Kīlaka","saka_samvat":1877,"saka_samvatsara":"Manmatha","bengali_samvat":1362,"malayalam_era":1131,"nanakshahi_year":486,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","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":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Tṛtīyā · Vikram 2012 Kīlaka · Śaka 1877 Manmatha"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 May 9, 1955 CE · Ṛṣikeśa · Vidhyamitra","description":"May 9, 1955 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 05:28, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1955-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1955-05-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1955-05-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1955-05-09","x-default":"https://vidhyamitra.com/city/rishikesh/1955-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:54:45.927Z","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":"2026-06-01T21:54:45.927Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:54:45.927Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}