{"id":"vidhyamitra:city-day:rishikesh:1925-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1925-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1925-05-15","date_display":"May 15, 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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424285.770833,"kali_year":5027,"ahargana":1835820.2708,"sun":{"sidereal_longitude":31.0361,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":296.3305,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.2945,"elapsed_within_tithi_degrees":1.2945},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.3305,"elapsed_within_degrees":2.9972},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.3666},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424285.770833,"ahargana":1835820.2708,"kali_year":5027,"ayanamsa_lahiri":22.8104,"grahas":{"sun":{"sidereal_longitude":30.88141300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":298.27001300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":-0.5419},"mars":{"sidereal_longitude":71.49291299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":6.190612999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":271.301113,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":37.49451299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":197.52991300000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":109.4075,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.4075,"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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424285.770833,"kali_year":5027,"ahargana":1835820.2708,"sun":{"sidereal_longitude":31.0361,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":296.3305,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.2945,"elapsed_within_tithi_degrees":1.2945},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.3305,"elapsed_within_degrees":2.9972},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.3666},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.542,"elongation":94.706},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.542,"opposition_distance":85.294}},"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":"05:24","sunsetLocal":"19:03","solarNoonLocal":"12:13","dayLengthHours":13.64582184532548,"dayLengthDisplay":"13 Hours 38 Mins 45 Secs","nightLengthDisplay":"10 Hours 21 Mins 15 Secs","moonriseLocal":"00:34","moonsetLocal":"11:31","rahuKala":{"name":"Rāhu Kāla","start":"10:31","end":"12:13","startHours":10.513828920402215,"endHours":12.2195566510679,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:38","end":"17:20","startHours":15.63101211239927,"endHours":17.336739843064954,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:06","end":"08:48","startHours":7.1023734590708445,"endHours":8.80810118973653,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:02","startHours":8.580670825647772,"endHours":9.035531553825287,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.965221638627055,"endHours":6.329110221169068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.764695922890382,"endHours":12.674417379245416,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:29","startHours":3.5772028156950957,"endHours":4.4869242720501274,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:24","startHours":4.259493907961369,"endHours":5.39664572840516,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:24","startHours":14.49386029195548,"endHours":15.403581748310511,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.84246757373064,"endHours":19.24246757373064,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:37","startHours":19.04246757373064,"endHours":19.611043483952535,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.79246757373064,"endHours":20.54246757373064,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.764695922890382,"endHours":24.674417379245412,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:24","end":"07:06","startHours":5.39664572840516,"endHours":7.1023734590708445,"quality":"neutral"},{"name":"Labha","start":"07:06","end":"08:48","startHours":7.1023734590708445,"endHours":8.80810118973653,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:31","startHours":8.80810118973653,"endHours":10.513828920402215,"quality":"auspicious"},{"name":"Kāla","start":"10:31","end":"12:13","startHours":10.513828920402215,"endHours":12.2195566510679,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:56","startHours":12.2195566510679,"endHours":13.925284381733585,"quality":"auspicious"},{"name":"Roga","start":"13:56","end":"15:38","startHours":13.925284381733585,"endHours":15.63101211239927,"quality":"inauspicious"},{"name":"Udveg","start":"15:38","end":"17:20","startHours":15.63101211239927,"endHours":17.336739843064954,"quality":"inauspicious"},{"name":"Chala","start":"17:20","end":"19:03","startHours":17.336739843064954,"endHours":19.04246757373064,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:03","end":"20:20","startHours":19.04246757373064,"endHours":20.336739843064954,"quality":"inauspicious"},{"name":"Udveg","start":"20:20","end":"21:38","startHours":20.336739843064954,"endHours":21.63101211239927,"quality":"inauspicious"},{"name":"Chala","start":"21:38","end":"22:56","startHours":21.63101211239927,"endHours":22.925284381733583,"quality":"neutral"},{"name":"Labha","start":"22:56","end":"00:13","startHours":22.925284381733583,"endHours":24.2195566510679,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:31","startHours":24.2195566510679,"endHours":25.513828920402215,"quality":"auspicious"},{"name":"Kāla","start":"01:31","end":"02:48","startHours":25.513828920402215,"endHours":26.80810118973653,"quality":"inauspicious"},{"name":"Śubha","start":"02:48","end":"04:06","startHours":26.80810118973653,"endHours":28.102373459070847,"quality":"auspicious"},{"name":"Roga","start":"04:06","end":"05:24","startHours":28.102373459070847,"endHours":29.39664572840516,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.39664572840516,"endHours":6.39664572840516,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.39664572840516,"endHours":7.39664572840516,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.39664572840516,"endHours":8.39664572840516,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.39664572840516,"endHours":9.39664572840516,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.39664572840516,"endHours":10.39664572840516,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.39664572840516,"endHours":11.39664572840516,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.39664572840516,"endHours":12.39664572840516,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.39664572840516,"endHours":13.39664572840516,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.39664572840516,"endHours":14.39664572840516,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.39664572840516,"endHours":15.39664572840516,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.39664572840516,"endHours":16.39664572840516,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.39664572840516,"endHours":17.39664572840516,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.39664572840516,"endHours":18.39664572840516,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.39664572840516,"endHours":19.39664572840516,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.39664572840516,"endHours":20.39664572840516,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.39664572840516,"endHours":21.39664572840516,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.39664572840516,"endHours":22.39664572840516,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.39664572840516,"endHours":23.39664572840516,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.39664572840516,"endHours":24.39664572840516,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.39664572840516,"endHours":25.39664572840516,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.39664572840516,"endHours":26.39664572840516,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.39664572840516,"endHours":27.39664572840516,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.39664572840516,"endHours":28.39664572840516,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.39664572840516,"endHours":29.39664572840516,"planetary_lord":"Mars"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.6937818506217,"eotMinutes":3.7562009359260493,"ayanamsa":22.8104}},"calendars":{"vikram_samvat":1982,"vikram_samvatsara":"Bahudhānya","saka_samvat":1847,"saka_samvatsara":"Krodhana","bengali_samvat":1332,"malayalam_era":1101,"nanakshahi_year":456,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Aṣṭamī · Vikram 1982 Bahudhānya · Śaka 1847 Krodhana"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 Kṛṣṇa Aṣṭamī","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 May 15, 1925 CE · Ṛṣikeśa · Vidhyamitra","description":"May 15, 1925 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 05:24, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1925-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1925-05-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1925-05-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1925-05-15","x-default":"https://vidhyamitra.com/city/rishikesh/1925-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T14:18:02.080Z","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":"2026-05-22T14:18:02.081Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T14:18:02.081Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}