{"id":"vidhyamitra:city-day:rishikesh:2091-05-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2091-05-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-05-25","date_display":"May 25, 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":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484926.770833,"kali_year":5193,"ahargana":1896461.2708,"sun":{"sidereal_longitude":38.7307,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":117.9474,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.2166,"elapsed_within_tithi_degrees":7.2166},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.9474,"elapsed_within_degrees":11.2807},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.6781},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2091,"month":5,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484926.770833,"ahargana":1896461.2708,"kali_year":5193,"ayanamsa_lahiri":25.1297,"grahas":{"sun":{"sidereal_longitude":39.01928099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":115.53238099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":-1.4197},"mars":{"sidereal_longitude":137.43868099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":35.02468099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":266.05238099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":21.21308099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":59.843481,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":136.3555,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":316.3555,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484926.770833,"kali_year":5193,"ahargana":1896461.2708,"sun":{"sidereal_longitude":38.7307,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":117.9474,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.2166,"elapsed_within_tithi_degrees":7.2166},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.9474,"elapsed_within_degrees":11.2807},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.6781},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.42,"elongation":79.217},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.42,"opposition_distance":100.783}},"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":"05:18","sunsetLocal":"19:09","solarNoonLocal":"12:14","dayLengthHours":13.852203131967253,"dayLengthDisplay":"13 Hours 51 Mins 08 Secs","nightLengthDisplay":"10 Hours 08 Mins 52 Secs","moonriseLocal":"10:42","moonsetLocal":"23:57","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:14","startHours":10.497003252589291,"endHours":12.228528644085198,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:41","end":"17:25","startHours":15.691579427077011,"endHours":17.423104818572916,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:02","end":"08:46","startHours":7.0339524695974776,"endHours":8.765477861093384,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.53460780889393,"endHours":8.996347913292839,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:15","startHours":5.879602208600207,"endHours":6.248994292119334,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.76678853968629,"endHours":12.690268748484106,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:27","end":"04:23","startHours":3.4554666605059374,"endHours":4.378946869303754,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:18","startHours":4.1480768171043,"endHours":5.302427078101571,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:28","startHours":14.537229166079738,"endHours":15.460709374877554,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.954630210068824,"endHours":19.354630210068823,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:44","startHours":19.154630210068824,"endHours":19.73180534056746,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.904630210068824,"endHours":20.654630210068824,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.76678853968629,"endHours":24.690268748484108,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:18","end":"07:02","startHours":5.302427078101571,"endHours":7.0339524695974776,"quality":"neutral"},{"name":"Labha","start":"07:02","end":"08:46","startHours":7.0339524695974776,"endHours":8.765477861093384,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:30","startHours":8.765477861093384,"endHours":10.497003252589291,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:14","startHours":10.497003252589291,"endHours":12.228528644085198,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:58","startHours":12.228528644085198,"endHours":13.960054035581104,"quality":"auspicious"},{"name":"Roga","start":"13:58","end":"15:41","startHours":13.960054035581104,"endHours":15.691579427077011,"quality":"inauspicious"},{"name":"Udveg","start":"15:41","end":"17:25","startHours":15.691579427077011,"endHours":17.423104818572916,"quality":"inauspicious"},{"name":"Chala","start":"17:25","end":"19:09","startHours":17.423104818572916,"endHours":19.154630210068824,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:09","end":"20:25","startHours":19.154630210068824,"endHours":20.423104818572916,"quality":"inauspicious"},{"name":"Udveg","start":"20:25","end":"21:41","startHours":20.423104818572916,"endHours":21.69157942707701,"quality":"inauspicious"},{"name":"Chala","start":"21:41","end":"22:58","startHours":21.69157942707701,"endHours":22.960054035581102,"quality":"neutral"},{"name":"Labha","start":"22:58","end":"00:14","startHours":22.960054035581102,"endHours":24.2285286440852,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:30","startHours":24.2285286440852,"endHours":25.49700325258929,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:46","startHours":25.49700325258929,"endHours":26.765477861093384,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:02","startHours":26.765477861093384,"endHours":28.03395246959748,"quality":"auspicious"},{"name":"Roga","start":"04:02","end":"05:18","startHours":28.03395246959748,"endHours":29.302427078101573,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:18","end":"06:18","startHours":5.302427078101571,"endHours":6.302427078101571,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:18","end":"07:18","startHours":6.302427078101571,"endHours":7.302427078101571,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:18","end":"08:18","startHours":7.302427078101571,"endHours":8.302427078101571,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:18","end":"09:18","startHours":8.302427078101571,"endHours":9.302427078101571,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:18","end":"10:18","startHours":9.302427078101571,"endHours":10.302427078101571,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:18","end":"11:18","startHours":10.302427078101571,"endHours":11.302427078101571,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:18","end":"12:18","startHours":11.302427078101571,"endHours":12.302427078101571,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:18","end":"13:18","startHours":12.302427078101571,"endHours":13.302427078101571,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:18","end":"14:18","startHours":13.302427078101571,"endHours":14.302427078101571,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:18","end":"15:18","startHours":14.302427078101571,"endHours":15.302427078101571,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:18","end":"16:18","startHours":15.302427078101571,"endHours":16.302427078101573,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:18","end":"17:18","startHours":16.302427078101573,"endHours":17.302427078101573,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:18","end":"18:18","startHours":17.302427078101573,"endHours":18.302427078101573,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:18","end":"19:18","startHours":18.302427078101573,"endHours":19.302427078101573,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:18","end":"20:18","startHours":19.302427078101573,"endHours":20.302427078101573,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:18","end":"21:18","startHours":20.302427078101573,"endHours":21.302427078101573,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:18","end":"22:18","startHours":21.302427078101573,"endHours":22.302427078101573,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:18","end":"23:18","startHours":22.302427078101573,"endHours":23.302427078101573,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:18","end":"00:18","startHours":23.302427078101573,"endHours":24.302427078101573,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:18","end":"01:18","startHours":24.302427078101573,"endHours":25.302427078101573,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:18","end":"02:18","startHours":25.302427078101573,"endHours":26.302427078101573,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:18","end":"03:18","startHours":26.302427078101573,"endHours":27.302427078101573,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:18","end":"04:18","startHours":27.302427078101573,"endHours":28.302427078101573,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:18","end":"05:18","startHours":28.302427078101573,"endHours":29.302427078101573,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.973229903762956,"eotMinutes":3.2178813548881493,"ayanamsa":25.1297}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Saptamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"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":[]},"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 25, 2091 CE · Ṛṣikeśa · Vidhyamitra","description":"May 25, 2091 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:18, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2091-05-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2091-05-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2091-05-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2091-05-25","x-default":"https://vidhyamitra.com/city/rishikesh/2091-05-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T22:54:33.811Z","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":"2026-05-19T22:54:33.811Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T22:54:33.811Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}