{"id":"vidhyamitra:city-day:rishikesh:2025-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2025-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-08-20","date_display":"August 20, 2025 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":2025,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460907.770833,"kali_year":5127,"ahargana":1872442.2708,"sun":{"sidereal_longitude":122.3856,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":83.0349,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.6492,"elapsed_within_tithi_degrees":8.6492},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":83.0349,"elapsed_within_degrees":3.0349},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.4205},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2025,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460907.770833,"ahargana":1872442.2708,"kali_year":5127,"ayanamsa_lahiri":24.2111,"grahas":{"sun":{"sidereal_longitude":123.08388400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":83.10208399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":4.1091},"mars":{"sidereal_longitude":163.63948400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":104.17718400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":81.31788399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":88.72708399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":336.641084,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":328.9977,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.9977,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2025,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460907.770833,"kali_year":5127,"ahargana":1872442.2708,"sun":{"sidereal_longitude":122.3856,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":83.0349,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.6492,"elapsed_within_tithi_degrees":8.6492},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":83.0349,"elapsed_within_degrees":3.0349},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.4205},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.109,"elongation":39.351},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.109,"opposition_distance":140.649}},"eclipse_window_40days":[{"offset_days":19,"type":"lunar","occurs":true,"moon_latitude":-0.388,"opposition_distance":2.369}]},"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":"05:47","sunsetLocal":"18:53","solarNoonLocal":"12:20","dayLengthHours":13.109245174564219,"dayLengthDisplay":"13 Hours 06 Mins 33 Secs","nightLengthDisplay":"10 Hours 53 Mins 27 Secs","moonriseLocal":"02:42","moonsetLocal":"16:38","rahuKala":{"name":"Rāhu Kāla","start":"12:20","end":"13:58","startHours":12.332993515175504,"endHours":13.971649161996032,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:25","end":"09:03","startHours":7.417026574713923,"endHours":9.05568222153445,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:42","end":"12:20","startHours":10.694337868354976,"endHours":12.332993515175504,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.837194801958379,"endHours":9.27416964111052,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:40","startHours":6.32458947683357,"endHours":6.674169348155283,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:46","startHours":11.896018676023363,"endHours":12.769968354327645,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:54","startHours":4.030471571284832,"endHours":4.904421249589113,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:47","startHours":4.6859338300130435,"endHours":5.778370927893395,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:24","startHours":14.517867710936208,"endHours":15.39181738924049,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.687616102457614,"endHours":19.087616102457613,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:26","startHours":18.887616102457613,"endHours":19.433834651397788,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.637616102457613,"endHours":20.387616102457613,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:46","startHours":23.896018676023363,"endHours":24.76996835432764,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:47","end":"07:25","startHours":5.778370927893395,"endHours":7.417026574713923,"quality":"auspicious"},{"name":"Amṛta","start":"07:25","end":"09:03","startHours":7.417026574713923,"endHours":9.05568222153445,"quality":"auspicious"},{"name":"Kāla","start":"09:03","end":"10:42","startHours":9.05568222153445,"endHours":10.694337868354976,"quality":"inauspicious"},{"name":"Śubha","start":"10:42","end":"12:20","startHours":10.694337868354976,"endHours":12.332993515175504,"quality":"auspicious"},{"name":"Roga","start":"12:20","end":"13:58","startHours":12.332993515175504,"endHours":13.971649161996032,"quality":"inauspicious"},{"name":"Udveg","start":"13:58","end":"15:37","startHours":13.971649161996032,"endHours":15.610304808816558,"quality":"inauspicious"},{"name":"Chala","start":"15:37","end":"17:15","startHours":15.610304808816558,"endHours":17.248960455637086,"quality":"neutral"},{"name":"Labha","start":"17:15","end":"18:53","startHours":17.248960455637086,"endHours":18.887616102457613,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:53","end":"20:15","startHours":18.887616102457613,"endHours":20.248960455637086,"quality":"inauspicious"},{"name":"Chala","start":"20:15","end":"21:37","startHours":20.248960455637086,"endHours":21.610304808816558,"quality":"neutral"},{"name":"Labha","start":"21:37","end":"22:58","startHours":21.610304808816558,"endHours":22.971649161996034,"quality":"auspicious"},{"name":"Amṛta","start":"22:58","end":"00:20","startHours":22.971649161996034,"endHours":24.332993515175502,"quality":"auspicious"},{"name":"Kāla","start":"00:20","end":"01:42","startHours":24.332993515175502,"endHours":25.694337868354978,"quality":"inauspicious"},{"name":"Śubha","start":"01:42","end":"03:03","startHours":25.694337868354978,"endHours":27.05568222153445,"quality":"auspicious"},{"name":"Roga","start":"03:03","end":"04:25","startHours":27.05568222153445,"endHours":28.417026574713923,"quality":"inauspicious"},{"name":"Udveg","start":"04:25","end":"05:47","startHours":28.417026574713923,"endHours":29.778370927893395,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.778370927893395,"endHours":6.778370927893395,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.778370927893395,"endHours":7.778370927893395,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.778370927893395,"endHours":8.778370927893395,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.778370927893395,"endHours":9.778370927893395,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.778370927893395,"endHours":10.778370927893395,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.778370927893395,"endHours":11.778370927893395,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.778370927893395,"endHours":12.778370927893395,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.778370927893395,"endHours":13.778370927893395,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.778370927893395,"endHours":14.778370927893395,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.778370927893395,"endHours":15.778370927893395,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.778370927893395,"endHours":16.778370927893395,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.778370927893395,"endHours":17.778370927893395,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.778370927893395,"endHours":18.778370927893395,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.778370927893395,"endHours":19.778370927893395,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.778370927893395,"endHours":20.778370927893395,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.778370927893395,"endHours":21.778370927893395,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.778370927893395,"endHours":22.778370927893395,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.778370927893395,"endHours":23.778370927893395,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.778370927893395,"endHours":24.778370927893395,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.778370927893395,"endHours":25.778370927893395,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.778370927893395,"endHours":26.778370927893395,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.778370927893395,"endHours":27.778370927893395,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.778370927893395,"endHours":28.778370927893395,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.778370927893395,"endHours":29.778370927893395,"planetary_lord":"Sun"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.409684803110695,"eotMinutes":-3.0500109105302213,"ayanamsa":24.2111}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvādaśī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 August 20, 2025 CE · Ṛṣikeśa · Vidhyamitra","description":"August 20, 2025 CE for Ṛṣikeśa: Kṛṣṇa Dvādaśī, sūryodaya 05:47, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2025-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2025-08-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/2025-08-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/2025-08-20","x-default":"https://vidhyamitra.com/city/rishikesh/2025-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:54:16.285Z","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":"2026-05-15T06:54:16.285Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:54:16.285Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}