{"id":"vidhyamitra:city-day:rishikesh:2091-04-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2091-04-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-04-26","date_display":"April 26, 2091 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":2091,"month":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484897.770833,"kali_year":5193,"ahargana":1896432.2708,"sun":{"sidereal_longitude":10.848,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":95.6036,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.7556,"elapsed_within_tithi_degrees":0.7556},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.6036,"elapsed_within_degrees":2.2703},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.4516},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2091,"month":4,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484897.770833,"ahargana":1896432.2708,"kali_year":5193,"ayanamsa_lahiri":25.1286,"grahas":{"sun":{"sidereal_longitude":10.971989000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":92.174489,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-3.0262},"mars":{"sidereal_longitude":130.55838900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":343.543889,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":266.151889,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":345.793389,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":56.49428899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":137.892,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.892,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"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":2091,"month":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484897.770833,"kali_year":5193,"ahargana":1896432.2708,"sun":{"sidereal_longitude":10.848,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":95.6036,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.7556,"elapsed_within_tithi_degrees":0.7556},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.6036,"elapsed_within_degrees":2.2703},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.4516},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.026,"elongation":84.756},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.026,"opposition_distance":95.244}},"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":"05:39","sunsetLocal":"18:51","solarNoonLocal":"12:15","dayLengthHours":13.203958585704875,"dayLengthDisplay":"13 Hours 12 Mins 14 Secs","nightLengthDisplay":"10 Hours 47 Mins 46 Secs","moonriseLocal":"10:46","moonsetLocal":"00:33","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:33","startHours":13.89660848020159,"endHours":15.5471033034147,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:39","end":"07:18","startHours":5.644134364136043,"endHours":7.294629187349153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:57","end":"10:36","startHours":8.945124010562262,"endHours":10.595618833775372,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:10","startHours":8.725058034133848,"endHours":9.165189986990676,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:33","startHours":6.19429930520708,"endHours":6.5464048674925435,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:41","startHours":11.805981704131652,"endHours":12.68624560984531,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:46","startHours":3.8836065527087267,"endHours":4.763870458422385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:39","startHours":4.543804481993971,"endHours":5.644134364136043,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:20","startHours":14.446773421272626,"endHours":15.327037326986284,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.64809294984092,"endHours":19.048092949840917,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:24","startHours":18.848092949840918,"endHours":19.398257890911953,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.598092949840918,"endHours":20.348092949840918,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:41","startHours":23.80598170413165,"endHours":24.68624560984531,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:39","end":"07:18","startHours":5.644134364136043,"endHours":7.294629187349153,"quality":"auspicious"},{"name":"Roga","start":"07:18","end":"08:57","startHours":7.294629187349153,"endHours":8.945124010562262,"quality":"inauspicious"},{"name":"Udveg","start":"08:57","end":"10:36","startHours":8.945124010562262,"endHours":10.595618833775372,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:15","startHours":10.595618833775372,"endHours":12.24611365698848,"quality":"neutral"},{"name":"Labha","start":"12:15","end":"13:54","startHours":12.24611365698848,"endHours":13.89660848020159,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:33","startHours":13.89660848020159,"endHours":15.5471033034147,"quality":"auspicious"},{"name":"Kāla","start":"15:33","end":"17:12","startHours":15.5471033034147,"endHours":17.19759812662781,"quality":"inauspicious"},{"name":"Śubha","start":"17:12","end":"18:51","startHours":17.19759812662781,"endHours":18.848092949840918,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:51","end":"20:12","startHours":18.848092949840918,"endHours":20.19759812662781,"quality":"auspicious"},{"name":"Kāla","start":"20:12","end":"21:33","startHours":20.19759812662781,"endHours":21.5471033034147,"quality":"inauspicious"},{"name":"Śubha","start":"21:33","end":"22:54","startHours":21.5471033034147,"endHours":22.89660848020159,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:15","startHours":22.89660848020159,"endHours":24.24611365698848,"quality":"inauspicious"},{"name":"Udveg","start":"00:15","end":"01:36","startHours":24.24611365698848,"endHours":25.595618833775372,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"02:57","startHours":25.595618833775372,"endHours":26.94512401056226,"quality":"neutral"},{"name":"Labha","start":"02:57","end":"04:18","startHours":26.94512401056226,"endHours":28.294629187349152,"quality":"auspicious"},{"name":"Amṛta","start":"04:18","end":"05:39","startHours":28.294629187349152,"endHours":29.644134364136043,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:39","end":"06:39","startHours":5.644134364136043,"endHours":6.644134364136043,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:39","end":"07:39","startHours":6.644134364136043,"endHours":7.644134364136043,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:39","end":"08:39","startHours":7.644134364136043,"endHours":8.644134364136043,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:39","end":"09:39","startHours":8.644134364136043,"endHours":9.644134364136043,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:39","end":"10:39","startHours":9.644134364136043,"endHours":10.644134364136043,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:39","end":"11:39","startHours":10.644134364136043,"endHours":11.644134364136043,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:39","end":"12:39","startHours":11.644134364136043,"endHours":12.644134364136043,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:39","end":"13:39","startHours":12.644134364136043,"endHours":13.644134364136043,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:39","end":"14:39","startHours":13.644134364136043,"endHours":14.644134364136043,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:39","end":"15:39","startHours":14.644134364136043,"endHours":15.644134364136043,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:39","end":"16:39","startHours":15.644134364136043,"endHours":16.644134364136043,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:39","end":"17:39","startHours":16.644134364136043,"endHours":17.644134364136043,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:39","end":"18:39","startHours":17.644134364136043,"endHours":18.644134364136043,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:39","end":"19:39","startHours":18.644134364136043,"endHours":19.644134364136043,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:39","end":"20:39","startHours":19.644134364136043,"endHours":20.644134364136043,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:39","end":"21:39","startHours":20.644134364136043,"endHours":21.644134364136043,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:39","end":"22:39","startHours":21.644134364136043,"endHours":22.644134364136043,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:39","end":"23:39","startHours":22.644134364136043,"endHours":23.644134364136043,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:39","end":"00:39","startHours":23.644134364136043,"endHours":24.644134364136043,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:39","end":"01:39","startHours":24.644134364136043,"endHours":25.644134364136043,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:39","end":"02:39","startHours":25.644134364136043,"endHours":26.644134364136043,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:39","end":"03:39","startHours":26.644134364136043,"endHours":27.644134364136043,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:39","end":"04:39","startHours":27.644134364136043,"endHours":28.644134364136043,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:39","end":"05:39","startHours":28.644134364136043,"endHours":29.644134364136043,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","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":13.553064304376317,"eotMinutes":2.162780580691212,"ayanamsa":25.1286}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Aṣṭamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"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":"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 April 26, 2091 CE · Ṛṣikeśa · Vidhyamitra","description":"April 26, 2091 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 05:39, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2091-04-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2091-04-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2091-04-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2091-04-26","x-default":"https://vidhyamitra.com/city/rishikesh/2091-04-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T19:04:24.791Z","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":"2026-05-19T19:04:24.791Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T19:04:24.791Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}