{"id":"vidhyamitra:city-day:rishikesh:1911-04-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1911-04-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1911-04-25","date_display":"April 25, 1911 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":1911,"month":4,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419151.770833,"kali_year":5013,"ahargana":1830686.2708,"sun":{"sidereal_longitude":11.4065,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":321.1396,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":309.7332,"elapsed_within_tithi_degrees":9.7332},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.1396,"elapsed_within_degrees":1.1396},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.5461},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1911,"month":4,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419151.770833,"ahargana":1830686.2708,"kali_year":5013,"ayanamsa_lahiri":22.6141,"grahas":{"sun":{"sidereal_longitude":11.111370000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":319.68957,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-3.9075},"mars":{"sidereal_longitude":309.90737,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":27.18267000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":199.21807,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":47.28136999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":17.29926999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":21.4315,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":201.4315,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1911,"month":4,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419151.770833,"kali_year":5013,"ahargana":1830686.2708,"sun":{"sidereal_longitude":11.4065,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":321.1396,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":309.7332,"elapsed_within_tithi_degrees":9.7332},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.1396,"elapsed_within_degrees":1.1396},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.5461},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.908,"elongation":50.267},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.908,"opposition_distance":129.733}},"eclipse_window_40days":[{"offset_days":4,"type":"solar","occurs":true,"moon_latitude":-0.445,"elongation":0.256},{"offset_days":18,"type":"lunar","occurs":true,"moon_latitude":-0.561,"opposition_distance":1.108}]},"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":"05:41","sunsetLocal":"18:49","solarNoonLocal":"12:15","dayLengthHours":13.137948677571103,"dayLengthDisplay":"13 Hours 08 Mins 17 Secs","nightLengthDisplay":"10 Hours 51 Mins 43 Secs","moonriseLocal":"03:03","moonsetLocal":"14:36","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"17:11","startHours":15.53356952475832,"endHours":17.175813109454708,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:58","end":"10:36","startHours":8.964595185972769,"endHours":10.606838770669157,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:53","startHours":12.249082355365545,"endHours":13.891325940061932,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:11","startHours":8.745629374679918,"endHours":9.183560997265621,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:35","startHours":6.227522544812123,"endHours":6.577867842880686,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:41","startHours":11.811150732779842,"endHours":12.687013977951247,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:56","end":"04:48","startHours":3.92838152623718,"endHours":4.804244771408587,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:35","end":"05:41","startHours":4.585278960115735,"endHours":5.680108016579994,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:19","startHours":14.438740468294064,"endHours":15.314603713465472,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.618056694151097,"endHours":19.018056694151095,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:22","startHours":18.818056694151096,"endHours":19.365471222383224,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.568056694151096,"endHours":20.318056694151096,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:41","startHours":23.81115073277984,"endHours":24.68701397795125,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:41","end":"07:19","startHours":5.680108016579994,"endHours":7.322351601276382,"quality":"inauspicious"},{"name":"Udveg","start":"07:19","end":"08:58","startHours":7.322351601276382,"endHours":8.964595185972769,"quality":"inauspicious"},{"name":"Chala","start":"08:58","end":"10:36","startHours":8.964595185972769,"endHours":10.606838770669157,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:15","startHours":10.606838770669157,"endHours":12.249082355365545,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:53","startHours":12.249082355365545,"endHours":13.891325940061932,"quality":"auspicious"},{"name":"Kāla","start":"13:53","end":"15:32","startHours":13.891325940061932,"endHours":15.53356952475832,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"17:11","startHours":15.53356952475832,"endHours":17.175813109454708,"quality":"auspicious"},{"name":"Roga","start":"17:11","end":"18:49","startHours":17.175813109454708,"endHours":18.818056694151096,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:49","end":"20:11","startHours":18.818056694151096,"endHours":20.175813109454708,"quality":"inauspicious"},{"name":"Śubha","start":"20:11","end":"21:32","startHours":20.175813109454708,"endHours":21.53356952475832,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"22:53","startHours":21.53356952475832,"endHours":22.891325940061932,"quality":"inauspicious"},{"name":"Udveg","start":"22:53","end":"00:15","startHours":22.891325940061932,"endHours":24.249082355365545,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:36","startHours":24.249082355365545,"endHours":25.606838770669157,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"02:58","startHours":25.606838770669157,"endHours":26.96459518597277,"quality":"auspicious"},{"name":"Amṛta","start":"02:58","end":"04:19","startHours":26.96459518597277,"endHours":28.32235160127638,"quality":"auspicious"},{"name":"Kāla","start":"04:19","end":"05:41","startHours":28.32235160127638,"endHours":29.680108016579993,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.680108016579994,"endHours":6.680108016579994,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.680108016579994,"endHours":7.680108016579994,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.680108016579994,"endHours":8.680108016579993,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.680108016579993,"endHours":9.680108016579993,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.680108016579993,"endHours":10.680108016579993,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.680108016579993,"endHours":11.680108016579993,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.680108016579993,"endHours":12.680108016579993,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.680108016579993,"endHours":13.680108016579993,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.680108016579993,"endHours":14.680108016579993,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.680108016579993,"endHours":15.680108016579993,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.680108016579993,"endHours":16.680108016579993,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.680108016579993,"endHours":17.680108016579993,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.680108016579993,"endHours":18.680108016579993,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.680108016579993,"endHours":19.680108016579993,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.680108016579993,"endHours":20.680108016579993,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.680108016579993,"endHours":21.680108016579993,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.680108016579993,"endHours":22.680108016579993,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.680108016579993,"endHours":23.680108016579993,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.680108016579993,"endHours":24.680108016579993,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.680108016579993,"endHours":25.680108016579993,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.680108016579993,"endHours":26.680108016579993,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.680108016579993,"endHours":27.680108016579993,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.680108016579993,"endHours":28.680108016579993,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.680108016579993,"endHours":29.680108016579993,"planetary_lord":"Saturn"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Saumya","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":12.757594424966546,"eotMinutes":1.9846586780673228,"ayanamsa":22.6141}},"calendars":{"vikram_samvat":1968,"vikram_samvatsara":"Raktākṣī","saka_samvat":1833,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1318,"malayalam_era":1087,"nanakshahi_year":442,"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 1968 Raktākṣī · Śaka 1833 Virodhakṛt"},"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 April 25, 1911 CE · Ṛṣikeśa · Vidhyamitra","description":"April 25, 1911 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 05:41, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1911-04-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1911-04-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1911-04-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1911-04-25","x-default":"https://vidhyamitra.com/city/rishikesh/1911-04-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:19:06.410Z","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":"2026-06-02T02:19:06.410Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:19:06.410Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}