{"id":"vidhyamitra:city-day:rishikesh:1925-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1925-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1925-05-09","date_display":"May 9, 1925 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":1925,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424279.770833,"kali_year":5027,"ahargana":1835814.2708,"sun":{"sidereal_longitude":25.2791,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":210.0572,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":184.7781,"elapsed_within_tithi_degrees":4.7781},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.0572,"elapsed_within_degrees":10.0572},"yoga":{"number":18,"name":"Varīyān","sum_longitude":235.3363},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1925,"month":5,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424279.770833,"ahargana":1835814.2708,"kali_year":5027,"ayanamsa_lahiri":22.8102,"grahas":{"sun":{"sidereal_longitude":25.089842999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":211.47684300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.4269},"mars":{"sidereal_longitude":67.68654300000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":2.0098429999999894,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":271.332943,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":30.104843000000017,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":197.97184300000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":109.7254,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.7254,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1925,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424279.770833,"kali_year":5027,"ahargana":1835814.2708,"sun":{"sidereal_longitude":25.2791,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":210.0572,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":184.7781,"elapsed_within_tithi_degrees":4.7781},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.0572,"elapsed_within_degrees":10.0572},"yoga":{"number":18,"name":"Varīyān","sum_longitude":235.3363},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.427,"elongation":175.222},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.427,"opposition_distance":4.778}},"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":13.511236485484712,"dayLengthDisplay":"13 Hours 30 Mins 40 Secs","nightLengthDisplay":"10 Hours 29 Mins 20 Secs","moonriseLocal":"19:22","moonsetLocal":"05:56","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:32","startHours":8.843826570889721,"endHours":10.532731131575309,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:36","startHours":13.910540252946488,"endHours":15.599444813632076,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:28","end":"07:09","startHours":5.466017449518542,"endHours":7.154922010204132,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.618639296131642,"endHours":9.069013845647799,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:23","startHours":6.028985636413738,"endHours":6.389285276026664,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.771261142744741,"endHours":12.672010241777055,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:34","startHours":3.664519251453914,"endHours":4.565268350486228,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:28","startHours":4.34008107572815,"endHours":5.466017449518542,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:22","startHours":14.473508439841684,"endHours":15.374257538873998,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.777253935003255,"endHours":19.177253935003254,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:32","startHours":18.977253935003255,"endHours":19.540222121898452,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.727253935003255,"endHours":20.477253935003255,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.77126114274474,"endHours":24.672010241777052,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:28","end":"07:09","startHours":5.466017449518542,"endHours":7.154922010204132,"quality":"inauspicious"},{"name":"Śubha","start":"07:09","end":"08:51","startHours":7.154922010204132,"endHours":8.843826570889721,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:32","startHours":8.843826570889721,"endHours":10.532731131575309,"quality":"inauspicious"},{"name":"Udveg","start":"10:32","end":"12:13","startHours":10.532731131575309,"endHours":12.221635692260898,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:55","startHours":12.221635692260898,"endHours":13.910540252946488,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:36","startHours":13.910540252946488,"endHours":15.599444813632076,"quality":"auspicious"},{"name":"Amṛta","start":"15:36","end":"17:17","startHours":15.599444813632076,"endHours":17.288349374317665,"quality":"auspicious"},{"name":"Kāla","start":"17:17","end":"18:59","startHours":17.288349374317665,"endHours":18.977253935003255,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:59","end":"20:17","startHours":18.977253935003255,"endHours":20.288349374317665,"quality":"auspicious"},{"name":"Amṛta","start":"20:17","end":"21:36","startHours":20.288349374317665,"endHours":21.599444813632076,"quality":"auspicious"},{"name":"Kāla","start":"21:36","end":"22:55","startHours":21.599444813632076,"endHours":22.910540252946486,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:13","startHours":22.910540252946486,"endHours":24.221635692260897,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:32","startHours":24.221635692260897,"endHours":25.53273113157531,"quality":"inauspicious"},{"name":"Udveg","start":"01:32","end":"02:51","startHours":25.53273113157531,"endHours":26.84382657088972,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:09","startHours":26.84382657088972,"endHours":28.15492201020413,"quality":"neutral"},{"name":"Labha","start":"04:09","end":"05:28","startHours":28.15492201020413,"endHours":29.466017449518542,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.466017449518542,"endHours":6.466017449518542,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.466017449518542,"endHours":7.466017449518542,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.466017449518542,"endHours":8.466017449518542,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.466017449518542,"endHours":9.466017449518542,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.466017449518542,"endHours":10.466017449518542,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.466017449518542,"endHours":11.466017449518542,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.466017449518542,"endHours":12.466017449518542,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.466017449518542,"endHours":13.466017449518542,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.466017449518542,"endHours":14.466017449518542,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.466017449518542,"endHours":15.466017449518542,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.466017449518542,"endHours":16.466017449518542,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.466017449518542,"endHours":17.466017449518542,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.466017449518542,"endHours":18.466017449518542,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.466017449518542,"endHours":19.466017449518542,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.466017449518542,"endHours":20.466017449518542,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.466017449518542,"endHours":21.466017449518542,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.466017449518542,"endHours":22.466017449518542,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.466017449518542,"endHours":23.466017449518542,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.466017449518542,"endHours":24.466017449518542,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.466017449518542,"endHours":25.466017449518542,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.466017449518542,"endHours":26.466017449518542,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.466017449518542,"endHours":27.466017449518542,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.466017449518542,"endHours":28.466017449518542,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.466017449518542,"endHours":29.466017449518542,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"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":17.16401828137253,"eotMinutes":3.631458464346112,"ayanamsa":22.8102}},"calendars":{"vikram_samvat":1982,"vikram_samvatsara":"Bahudhānya","saka_samvat":1847,"saka_samvatsara":"Krodhana","bengali_samvat":1332,"malayalam_era":1101,"nanakshahi_year":456,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pratipada · Vikram 1982 Bahudhānya · Śaka 1847 Krodhana"},"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":"narada-jayanti","name":"Bhagavān Nārada Jayantī","name_sanskrit":"भगवान् नारद जयन्ती","tradition":"Vaishnava","associated_deity":"Devarṣi Nārada (ādi-bhakta · Vyāsa's guru)","significance":"Manifestation of Devarṣi Nārada — ādi-bhakta and tri-loka-saṅcāri who instructed Vyāsa to compose Śrīmad Bhāgavata. Without Nārada, no Bhāgavata; without Bhāgavata, no Krishna-tattva-pratiṣṭhā in Kali Yuga. Falls on Vaiśākha Kṛṣṇa Pratipadā (day after Buddha Pūrṇimā).","vrata":true,"primary_observance":"Recitation of Nārada-Bhakti-Sūtra; meditation on Krishna as taught by Nārada to Vyāsa (Bhāgavata 1.5)","detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Vaiśākha"},"precedence":1,"sources":["Bhāgavata Purāṇa 1.5-6 (Nārada-Vyāsa-saṁvāda)","Nārada-Bhakti-Sūtra"]},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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, 1925 CE · Ṛṣikeśa · Vidhyamitra","description":"May 9, 1925 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 05:28, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1925-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1925-05-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1925-05-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1925-05-09","x-default":"https://vidhyamitra.com/city/rishikesh/1925-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T05:19:57.749Z","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":"2026-05-23T05:19:57.749Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T05:19:57.749Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}