{"id":"vidhyamitra:city-day:rishikesh:2021-08-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2021-08-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-08-25","date_display":"August 25, 2021 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":2021,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459451.770833,"kali_year":5123,"ahargana":1870986.2708,"sun":{"sidereal_longitude":127.214,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":340.2411,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":213.027,"elapsed_within_tithi_degrees":9.027},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2411,"elapsed_within_degrees":6.9077},"yoga":{"number":9,"name":"Śūla","sum_longitude":107.4551},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2021,"month":8,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459451.770833,"ahargana":1870986.2708,"kali_year":5123,"ayanamsa_lahiri":24.1554,"grahas":{"sun":{"sidereal_longitude":127.92541399999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":339.054614,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-4.1071},"mars":{"sidereal_longitude":142.063914,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":147.80661399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":302.381214,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":165.974514,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":284.4352140000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":46.1436,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":226.1436,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2021,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459451.770833,"kali_year":5123,"ahargana":1870986.2708,"sun":{"sidereal_longitude":127.214,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":340.2411,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":213.027,"elapsed_within_tithi_degrees":9.027},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2411,"elapsed_within_degrees":6.9077},"yoga":{"number":9,"name":"Śūla","sum_longitude":107.4551},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.107,"elongation":146.973},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.107,"opposition_distance":33.027}},"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":"05:49","sunsetLocal":"18:48","solarNoonLocal":"12:19","dayLengthHours":12.972205399883421,"dayLengthDisplay":"12 Hours 58 Mins 20 Secs","nightLengthDisplay":"11 Hours 01 Mins 40 Secs","moonriseLocal":"20:17","moonsetLocal":"08:29","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:56","startHours":12.310616734256705,"endHours":13.932142409242132,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:27","end":"09:04","startHours":7.446039709300421,"endHours":9.06756538428585,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:19","startHours":10.689091059271277,"endHours":12.310616734256705,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.851361960954458,"endHours":9.283768807617239,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.365022592643469,"endHours":6.710948069973694,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.878209887593924,"endHours":12.743023580919486,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.09488664766387,"endHours":4.959700340989432,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:49","startHours":4.7434969176580415,"endHours":5.824514034314993,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.472650967570608,"endHours":15.33746466089617,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.596719434198416,"endHours":18.996719434198415,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.796719434198415,"endHours":19.33722799252689,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.546719434198415,"endHours":20.296719434198415,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.878209887593925,"endHours":24.743023580919484,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:49","end":"07:27","startHours":5.824514034314993,"endHours":7.446039709300421,"quality":"auspicious"},{"name":"Amṛta","start":"07:27","end":"09:04","startHours":7.446039709300421,"endHours":9.06756538428585,"quality":"auspicious"},{"name":"Kāla","start":"09:04","end":"10:41","startHours":9.06756538428585,"endHours":10.689091059271277,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:19","startHours":10.689091059271277,"endHours":12.310616734256705,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:56","startHours":12.310616734256705,"endHours":13.932142409242132,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:33","startHours":13.932142409242132,"endHours":15.55366808422756,"quality":"inauspicious"},{"name":"Chala","start":"15:33","end":"17:11","startHours":15.55366808422756,"endHours":17.175193759212988,"quality":"neutral"},{"name":"Labha","start":"17:11","end":"18:48","startHours":17.175193759212988,"endHours":18.796719434198415,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:48","end":"20:11","startHours":18.796719434198415,"endHours":20.175193759212988,"quality":"inauspicious"},{"name":"Chala","start":"20:11","end":"21:33","startHours":20.175193759212988,"endHours":21.55366808422756,"quality":"neutral"},{"name":"Labha","start":"21:33","end":"22:56","startHours":21.55366808422756,"endHours":22.932142409242132,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:19","startHours":22.932142409242132,"endHours":24.310616734256705,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:41","startHours":24.310616734256705,"endHours":25.689091059271277,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"03:04","startHours":25.689091059271277,"endHours":27.06756538428585,"quality":"auspicious"},{"name":"Roga","start":"03:04","end":"04:27","startHours":27.06756538428585,"endHours":28.446039709300422,"quality":"inauspicious"},{"name":"Udveg","start":"04:27","end":"05:49","startHours":28.446039709300422,"endHours":29.824514034314994,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.824514034314993,"endHours":6.824514034314993,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.824514034314993,"endHours":7.824514034314993,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.824514034314993,"endHours":8.824514034314994,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.824514034314994,"endHours":9.824514034314994,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.824514034314994,"endHours":10.824514034314994,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.824514034314994,"endHours":11.824514034314994,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.824514034314994,"endHours":12.824514034314994,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.824514034314994,"endHours":13.824514034314994,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.824514034314994,"endHours":14.824514034314994,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.824514034314994,"endHours":15.824514034314994,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.824514034314994,"endHours":16.824514034314994,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.824514034314994,"endHours":17.824514034314994,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.824514034314994,"endHours":18.824514034314994,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.824514034314994,"endHours":19.824514034314994,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.824514034314994,"endHours":20.824514034314994,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.824514034314994,"endHours":21.824514034314994,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.824514034314994,"endHours":22.824514034314994,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.824514034314994,"endHours":23.824514034314994,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.824514034314994,"endHours":24.824514034314994,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.824514034314994,"endHours":25.824514034314994,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.824514034314994,"endHours":26.824514034314994,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.824514034314994,"endHours":27.824514034314994,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.824514034314994,"endHours":28.824514034314994,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.824514034314994,"endHours":29.824514034314994,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.73276912695608,"eotMinutes":-1.7074040554023546,"ayanamsa":24.1554}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Tṛtīyā · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 August 25, 2021 CE · Ṛṣikeśa · Vidhyamitra","description":"August 25, 2021 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 05:49, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2021-08-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2021-08-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2021-08-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2021-08-25","x-default":"https://vidhyamitra.com/city/rishikesh/2021-08-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:44:25.178Z","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":"2026-05-15T12:44:25.178Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:44:25.178Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}