{"id":"vidhyamitra:city-day:rishikesh:2021-08-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2021-08-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-08-27","date_display":"August 27, 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":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459453.770833,"kali_year":5123,"ahargana":1870988.2708,"sun":{"sidereal_longitude":129.1354,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":5.091,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.9556,"elapsed_within_tithi_degrees":7.9556},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.091,"elapsed_within_degrees":5.091},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.2264},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":2021,"month":8,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459453.770833,"ahargana":1870988.2708,"kali_year":5123,"ayanamsa_lahiri":24.1555,"grahas":{"sun":{"sidereal_longitude":129.85503700000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":4.095236999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-2.9474},"mars":{"sidereal_longitude":143.33813699999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":150.852237,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":302.122337,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":168.321237,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":284.307537,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":46.0376,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":226.0376,"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":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459453.770833,"kali_year":5123,"ahargana":1870988.2708,"sun":{"sidereal_longitude":129.1354,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":5.091,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.9556,"elapsed_within_tithi_degrees":7.9556},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.091,"elapsed_within_degrees":5.091},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.2264},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.947,"elongation":124.044},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.947,"opposition_distance":55.956}},"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":"05:51","sunsetLocal":"18:46","solarNoonLocal":"12:18","dayLengthHours":12.915953265119525,"dayLengthDisplay":"12 Hours 54 Mins 57 Secs","nightLengthDisplay":"11 Hours 05 Mins 03 Secs","moonriseLocal":"21:27","moonsetLocal":"10:23","rahuKala":{"name":"Rāhu Kāla","start":"10:41","end":"12:18","startHours":10.686273617131206,"endHours":12.300767775271147,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:32","end":"17:09","startHours":15.529756091551029,"endHours":17.14425024969097,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:27","end":"09:04","startHours":7.457285300851327,"endHours":9.071779458991267,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.856513571239276,"endHours":9.287045346743259,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.380955862091366,"endHours":6.725381282494553,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.870235999767162,"endHours":12.731299550775132,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:59","startHours":4.120664040695449,"endHours":4.981727591703418,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:51","startHours":4.766461703951426,"endHours":5.842791142711386,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:19","startHours":14.453426652791068,"endHours":15.314490203799036,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.55874440783091,"endHours":18.95874440783091,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.75874440783091,"endHours":19.296909127210892,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.50874440783091,"endHours":20.25874440783091,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.870235999767164,"endHours":24.73129955077513,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:51","end":"07:27","startHours":5.842791142711386,"endHours":7.457285300851327,"quality":"neutral"},{"name":"Labha","start":"07:27","end":"09:04","startHours":7.457285300851327,"endHours":9.071779458991267,"quality":"auspicious"},{"name":"Amṛta","start":"09:04","end":"10:41","startHours":9.071779458991267,"endHours":10.686273617131206,"quality":"auspicious"},{"name":"Kāla","start":"10:41","end":"12:18","startHours":10.686273617131206,"endHours":12.300767775271147,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:55","startHours":12.300767775271147,"endHours":13.915261933411088,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:32","startHours":13.915261933411088,"endHours":15.529756091551029,"quality":"inauspicious"},{"name":"Udveg","start":"15:32","end":"17:09","startHours":15.529756091551029,"endHours":17.14425024969097,"quality":"inauspicious"},{"name":"Chala","start":"17:09","end":"18:46","startHours":17.14425024969097,"endHours":18.75874440783091,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:46","end":"20:09","startHours":18.75874440783091,"endHours":20.14425024969097,"quality":"inauspicious"},{"name":"Udveg","start":"20:09","end":"21:32","startHours":20.14425024969097,"endHours":21.52975609155103,"quality":"inauspicious"},{"name":"Chala","start":"21:32","end":"22:55","startHours":21.52975609155103,"endHours":22.915261933411088,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:18","startHours":22.915261933411088,"endHours":24.300767775271147,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:41","startHours":24.300767775271147,"endHours":25.686273617131206,"quality":"auspicious"},{"name":"Kāla","start":"01:41","end":"03:04","startHours":25.686273617131206,"endHours":27.071779458991266,"quality":"inauspicious"},{"name":"Śubha","start":"03:04","end":"04:27","startHours":27.071779458991266,"endHours":28.457285300851325,"quality":"auspicious"},{"name":"Roga","start":"04:27","end":"05:51","startHours":28.457285300851325,"endHours":29.842791142711384,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.842791142711386,"endHours":6.842791142711386,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.842791142711386,"endHours":7.842791142711386,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.842791142711386,"endHours":8.842791142711386,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.842791142711386,"endHours":9.842791142711386,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.842791142711386,"endHours":10.842791142711386,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.842791142711386,"endHours":11.842791142711386,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.842791142711386,"endHours":12.842791142711386,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.842791142711386,"endHours":13.842791142711386,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.842791142711386,"endHours":14.842791142711386,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.842791142711386,"endHours":15.842791142711386,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.842791142711386,"endHours":16.842791142711384,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.842791142711384,"endHours":17.842791142711384,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.842791142711384,"endHours":18.842791142711384,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.842791142711384,"endHours":19.842791142711384,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.842791142711384,"endHours":20.842791142711384,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.842791142711384,"endHours":21.842791142711384,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.842791142711384,"endHours":22.842791142711384,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.842791142711384,"endHours":23.842791142711384,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.842791142711384,"endHours":24.842791142711384,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.842791142711384,"endHours":25.842791142711384,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.842791142711384,"endHours":26.842791142711384,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.842791142711384,"endHours":27.842791142711384,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.842791142711384,"endHours":28.842791142711384,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.842791142711384,"endHours":29.842791142711384,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"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":10.037266915354452,"eotMinutes":-1.116466516268853,"ayanamsa":24.1555}},"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 Pañcamī · 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":"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 27, 2021 CE · Ṛṣikeśa · Vidhyamitra","description":"August 27, 2021 CE for Ṛṣikeśa: Kṛṣṇa Pañcamī, sūryodaya 05:51, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2021-08-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2021-08-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2021-08-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2021-08-27","x-default":"https://vidhyamitra.com/city/rishikesh/2021-08-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:37:10.530Z","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":"2026-05-15T17:37:10.530Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:37:10.530Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}