{"id":"vidhyamitra:city-day:rishikesh:1954-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1954-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1954-05-09","date_display":"May 9, 1954 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":1954,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434871.770833,"kali_year":5056,"ahargana":1846406.2708,"sun":{"sidereal_longitude":24.7948,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":103.7817,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9869,"elapsed_within_tithi_degrees":6.9869},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.7817,"elapsed_within_degrees":10.4483},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.5764},"karana":{"half_tithi_index":13,"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":1954,"month":5,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2434871.770833,"ahargana":1846406.2708,"kali_year":5056,"ayanamsa_lahiri":23.2153,"grahas":{"sun":{"sidereal_longitude":24.67104999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":106.17975000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-1.1841},"mars":{"sidereal_longitude":254.67665,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":25.281450000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":63.75074999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":49.78154999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":192.28835000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":268.5102,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.5102,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1954,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434871.770833,"kali_year":5056,"ahargana":1846406.2708,"sun":{"sidereal_longitude":24.7948,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":103.7817,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9869,"elapsed_within_tithi_degrees":6.9869},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.7817,"elapsed_within_degrees":10.4483},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.5764},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.184,"elongation":78.987},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.184,"opposition_distance":101.013}},"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":"18:59","solarNoonLocal":"12:13","dayLengthHours":13.510903832105964,"dayLengthDisplay":"13 Hours 30 Mins 39 Secs","nightLengthDisplay":"10 Hours 29 Mins 21 Secs","moonriseLocal":"10:53","moonsetLocal":"00:25","rahuKala":{"name":"Rāhu Kāla","start":"17:17","end":"18:59","startHours":17.288224629300633,"endHours":18.97708760831388,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:55","startHours":12.221635692260897,"endHours":13.910498671274144,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:17","startHours":15.599361650287388,"endHours":17.288224629300633,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.618728003699307,"endHours":9.069091464769507,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:23","startHours":6.029138102545664,"endHours":6.389428871401823,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.7712722311907,"endHours":12.671999153331097,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:34","startHours":3.6647299319271207,"endHours":4.565456854067518,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:28","startHours":4.340275123532418,"endHours":5.466183776207916,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:22","startHours":14.473452997611894,"endHours":15.374179919752292,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.77708760831388,"endHours":19.17708760831388,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:32","startHours":18.97708760831388,"endHours":19.54004193465163,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.72708760831388,"endHours":20.47708760831388,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.771272231190697,"endHours":24.671999153331097,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:28","end":"07:09","startHours":5.466183776207916,"endHours":7.155046755221161,"quality":"inauspicious"},{"name":"Chala","start":"07:09","end":"08:51","startHours":7.155046755221161,"endHours":8.843909734234407,"quality":"neutral"},{"name":"Labha","start":"08:51","end":"10:32","startHours":8.843909734234407,"endHours":10.532772713247653,"quality":"auspicious"},{"name":"Amṛta","start":"10:32","end":"12:13","startHours":10.532772713247653,"endHours":12.221635692260897,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:55","startHours":12.221635692260897,"endHours":13.910498671274144,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:36","startHours":13.910498671274144,"endHours":15.599361650287388,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:17","startHours":15.599361650287388,"endHours":17.288224629300633,"quality":"inauspicious"},{"name":"Udveg","start":"17:17","end":"18:59","startHours":17.288224629300633,"endHours":18.97708760831388,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:59","end":"20:17","startHours":18.97708760831388,"endHours":20.288224629300636,"quality":"auspicious"},{"name":"Roga","start":"20:17","end":"21:36","startHours":20.288224629300636,"endHours":21.59936165028739,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"22:55","startHours":21.59936165028739,"endHours":22.910498671274144,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:13","startHours":22.910498671274144,"endHours":24.221635692260897,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:32","startHours":24.221635692260897,"endHours":25.532772713247653,"quality":"auspicious"},{"name":"Amṛta","start":"01:32","end":"02:51","startHours":25.532772713247653,"endHours":26.84390973423441,"quality":"auspicious"},{"name":"Kāla","start":"02:51","end":"04:09","startHours":26.84390973423441,"endHours":28.155046755221164,"quality":"inauspicious"},{"name":"Śubha","start":"04:09","end":"05:28","startHours":28.155046755221164,"endHours":29.466183776207917,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.466183776207916,"endHours":6.466183776207916,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.466183776207916,"endHours":7.466183776207916,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.466183776207916,"endHours":8.466183776207917,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.466183776207917,"endHours":9.466183776207917,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.466183776207917,"endHours":10.466183776207917,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.466183776207917,"endHours":11.466183776207917,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.466183776207917,"endHours":12.466183776207917,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.466183776207917,"endHours":13.466183776207917,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.466183776207917,"endHours":14.466183776207917,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.466183776207917,"endHours":15.466183776207917,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.466183776207917,"endHours":16.466183776207917,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.466183776207917,"endHours":17.466183776207917,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.466183776207917,"endHours":18.466183776207917,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.466183776207917,"endHours":19.466183776207917,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.466183776207917,"endHours":20.466183776207917,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.466183776207917,"endHours":21.466183776207917,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.466183776207917,"endHours":22.466183776207917,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.466183776207917,"endHours":23.466183776207917,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.466183776207917,"endHours":24.466183776207917,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.466183776207917,"endHours":25.466183776207917,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.466183776207917,"endHours":26.466183776207917,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.466183776207917,"endHours":27.466183776207917,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.466183776207917,"endHours":28.466183776207917,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.466183776207917,"endHours":29.466183776207917,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","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":17.160196382300175,"eotMinutes":3.631458464346112,"ayanamsa":23.2153}},"calendars":{"vikram_samvat":2011,"vikram_samvatsara":"Plavaṅga","saka_samvat":1876,"saka_samvatsara":"Jaya","bengali_samvat":1361,"malayalam_era":1130,"nanakshahi_year":485,"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 Saptamī · Vikram 2011 Plavaṅga · Śaka 1876 Jaya"},"festivals":[{"id":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"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 9, 1954 CE · Ṛṣikeśa · Vidhyamitra","description":"May 9, 1954 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:28, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1954-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1954-05-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1954-05-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1954-05-09","x-default":"https://vidhyamitra.com/city/rishikesh/1954-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:12:15.301Z","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":"2026-06-02T18:12:15.301Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:12:15.301Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}