{"id":"vidhyamitra:city-day:rishikesh:1875-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1875-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-05-01","date_display":"May 1, 1875 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":1875,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406009.770833,"kali_year":4977,"ahargana":1817544.2708,"sun":{"sidereal_longitude":18.4794,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":318.5635,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.0842,"elapsed_within_tithi_degrees":0.0842},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.5635,"elapsed_within_degrees":11.8969},"yoga":{"number":26,"name":"Indra","sum_longitude":337.0429},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1875,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406009.770833,"ahargana":1817544.2708,"kali_year":4977,"ayanamsa_lahiri":22.1114,"grahas":{"sun":{"sidereal_longitude":18.13519100000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":315.57469100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-2.842},"mars":{"sidereal_longitude":252.26389100000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":10.335591000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":184.25889099999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":342.800991,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":304.020991,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":357.7579,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":177.7579,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":1875,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406009.770833,"kali_year":4977,"ahargana":1817544.2708,"sun":{"sidereal_longitude":18.4794,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":318.5635,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.0842,"elapsed_within_tithi_degrees":0.0842},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.5635,"elapsed_within_degrees":11.8969},"yoga":{"number":26,"name":"Indra","sum_longitude":337.0429},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.842,"elongation":59.916},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.842,"opposition_distance":120.084}},"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":"05:35","sunsetLocal":"18:53","solarNoonLocal":"12:14","dayLengthHours":13.316195182882721,"dayLengthDisplay":"13 Hours 18 Mins 58 Secs","nightLengthDisplay":"10 Hours 41 Mins 02 Secs","moonriseLocal":"02:21","moonsetLocal":"13:46","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:34","startHours":8.90447774879654,"endHours":10.569002146656878,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:34","startHours":13.898050942377559,"endHours":15.562575340237899,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:35","end":"07:14","startHours":5.575428953075859,"endHours":7.239953350936199,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.68254116241516,"endHours":9.126414335177918,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.130270419029305,"endHours":6.485368957239511,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.789653371754463,"endHours":12.677399717279977,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:41","startHours":3.799936262024829,"endHours":4.687682607550344,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:35","startHours":4.4657460211689655,"endHours":5.575428953075859,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:20","startHours":14.452892408331005,"endHours":15.340638753856519,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.69162413595858,"endHours":19.09162413595858,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:27","startHours":18.89162413595858,"endHours":19.446465601912028,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.64162413595858,"endHours":20.39162413595858,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.78965337175446,"endHours":24.677399717279975,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:35","end":"07:14","startHours":5.575428953075859,"endHours":7.239953350936199,"quality":"inauspicious"},{"name":"Śubha","start":"07:14","end":"08:54","startHours":7.239953350936199,"endHours":8.90447774879654,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:34","startHours":8.90447774879654,"endHours":10.569002146656878,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:14","startHours":10.569002146656878,"endHours":12.233526544517218,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:54","startHours":12.233526544517218,"endHours":13.898050942377559,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:34","startHours":13.898050942377559,"endHours":15.562575340237899,"quality":"auspicious"},{"name":"Amṛta","start":"15:34","end":"17:14","startHours":15.562575340237899,"endHours":17.22709973809824,"quality":"auspicious"},{"name":"Kāla","start":"17:14","end":"18:53","startHours":17.22709973809824,"endHours":18.89162413595858,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:53","end":"20:14","startHours":18.89162413595858,"endHours":20.22709973809824,"quality":"auspicious"},{"name":"Amṛta","start":"20:14","end":"21:34","startHours":20.22709973809824,"endHours":21.5625753402379,"quality":"auspicious"},{"name":"Kāla","start":"21:34","end":"22:54","startHours":21.5625753402379,"endHours":22.89805094237756,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:14","startHours":22.89805094237756,"endHours":24.23352654451722,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:34","startHours":24.23352654451722,"endHours":25.569002146656878,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"02:54","startHours":25.569002146656878,"endHours":26.904477748796538,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:14","startHours":26.904477748796538,"endHours":28.239953350936197,"quality":"neutral"},{"name":"Labha","start":"04:14","end":"05:35","startHours":28.239953350936197,"endHours":29.575428953075857,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.575428953075859,"endHours":6.575428953075859,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.575428953075859,"endHours":7.575428953075859,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.575428953075859,"endHours":8.575428953075859,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.575428953075859,"endHours":9.575428953075859,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.575428953075859,"endHours":10.575428953075859,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.575428953075859,"endHours":11.575428953075859,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.575428953075859,"endHours":12.575428953075859,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.575428953075859,"endHours":13.575428953075859,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.575428953075859,"endHours":14.575428953075859,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.575428953075859,"endHours":15.575428953075859,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.575428953075859,"endHours":16.575428953075857,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.575428953075857,"endHours":17.575428953075857,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.575428953075857,"endHours":18.575428953075857,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.575428953075857,"endHours":19.575428953075857,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.575428953075857,"endHours":20.575428953075857,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.575428953075857,"endHours":21.575428953075857,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.575428953075857,"endHours":22.575428953075857,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.575428953075857,"endHours":23.575428953075857,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.575428953075857,"endHours":24.575428953075857,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.575428953075857,"endHours":25.575428953075857,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.575428953075857,"endHours":26.575428953075857,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.575428953075857,"endHours":27.575428953075857,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.575428953075857,"endHours":28.575428953075857,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.575428953075857,"endHours":29.575428953075857,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","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":14.890136000900917,"eotMinutes":2.918007328966811,"ayanamsa":22.1114}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","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 Kṛṣṇa Ekādaśī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[{"id":"varuthini-ekadashi","name":"Varūthinī Ekādaśī","name_sanskrit":"वरूथिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Vāmana","significance":"Granted to King Mandhātā by Vāmana-deva; brings sound sleep + wealth.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Vaiśākha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[]},"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 1, 1875 CE · Ṛṣikeśa · Vidhyamitra","description":"May 1, 1875 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 05:35, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1875-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1875-05-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1875-05-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1875-05-01","x-default":"https://vidhyamitra.com/city/rishikesh/1875-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T16:41:03.581Z","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":"2026-05-28T16:41:03.581Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-28T16:41:03.581Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}