{"id":"vidhyamitra:city-day:rishikesh:2023-08-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2023-08-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2023-08-15","date_display":"August 15, 2023 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":2023,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460171.770833,"kali_year":5125,"ahargana":1871706.2708,"sun":{"sidereal_longitude":117.1413,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":102.2652,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.124,"elapsed_within_tithi_degrees":9.124},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.2652,"elapsed_within_degrees":8.9319},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":219.4065},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2023,"month":8,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460171.770833,"ahargana":1871706.2708,"kali_year":5125,"ayanamsa_lahiri":24.1829,"grahas":{"sun":{"sidereal_longitude":117.80810399999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":102.91610400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":4.4875},"mars":{"sidereal_longitude":147.53580399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":144.231804,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":20.729403999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":114.874504,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":310.648004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":7.9945,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":187.9945,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2023,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460171.770833,"kali_year":5125,"ahargana":1871706.2708,"sun":{"sidereal_longitude":117.1413,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":102.2652,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.124,"elapsed_within_tithi_degrees":9.124},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.2652,"elapsed_within_degrees":8.9319},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":219.4065},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.487,"elongation":14.876},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.487,"opposition_distance":165.124}},"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":"05:43","sunsetLocal":"18:59","solarNoonLocal":"12:21","dayLengthHours":13.256122626598135,"dayLengthDisplay":"13 Hours 15 Mins 22 Secs","nightLengthDisplay":"10 Hours 44 Mins 38 Secs","moonriseLocal":"04:34","moonsetLocal":"18:09","rahuKala":{"name":"Rāhu Kāla","start":"15:40","end":"17:19","startHours":15.665802452093342,"endHours":17.32281778041811,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:02","end":"10:42","startHours":9.037741138794274,"endHours":10.694756467119042,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:21","end":"14:01","startHours":12.35177179544381,"endHours":14.008787123768577,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.816805761684307,"endHours":9.258676515904245,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:38","startHours":6.276048924919664,"endHours":6.629545528295614,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:48","startHours":11.909901041223872,"endHours":12.793642549663748,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:50","startHours":3.9562274652649903,"endHours":4.839968973704866,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:43","startHours":4.619033596594897,"endHours":5.7237104821447415,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:27","startHours":14.561125566543499,"endHours":15.444867074983375,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.779833108742878,"endHours":19.179833108742876,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:32","startHours":18.979833108742877,"endHours":19.5321715515178,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.729833108742877,"endHours":20.479833108742877,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:48","startHours":23.909901041223872,"endHours":24.793642549663748,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:43","end":"07:23","startHours":5.7237104821447415,"endHours":7.380725810469508,"quality":"inauspicious"},{"name":"Udveg","start":"07:23","end":"09:02","startHours":7.380725810469508,"endHours":9.037741138794274,"quality":"inauspicious"},{"name":"Chala","start":"09:02","end":"10:42","startHours":9.037741138794274,"endHours":10.694756467119042,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:21","startHours":10.694756467119042,"endHours":12.35177179544381,"quality":"auspicious"},{"name":"Amṛta","start":"12:21","end":"14:01","startHours":12.35177179544381,"endHours":14.008787123768577,"quality":"auspicious"},{"name":"Kāla","start":"14:01","end":"15:40","startHours":14.008787123768577,"endHours":15.665802452093342,"quality":"inauspicious"},{"name":"Śubha","start":"15:40","end":"17:19","startHours":15.665802452093342,"endHours":17.32281778041811,"quality":"auspicious"},{"name":"Roga","start":"17:19","end":"18:59","startHours":17.32281778041811,"endHours":18.979833108742877,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:59","end":"20:19","startHours":18.979833108742877,"endHours":20.32281778041811,"quality":"inauspicious"},{"name":"Śubha","start":"20:19","end":"21:40","startHours":20.32281778041811,"endHours":21.665802452093345,"quality":"auspicious"},{"name":"Roga","start":"21:40","end":"23:01","startHours":21.665802452093345,"endHours":23.008787123768577,"quality":"inauspicious"},{"name":"Udveg","start":"23:01","end":"00:21","startHours":23.008787123768577,"endHours":24.35177179544381,"quality":"inauspicious"},{"name":"Chala","start":"00:21","end":"01:42","startHours":24.35177179544381,"endHours":25.694756467119042,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:02","startHours":25.694756467119042,"endHours":27.037741138794274,"quality":"auspicious"},{"name":"Amṛta","start":"03:02","end":"04:23","startHours":27.037741138794274,"endHours":28.38072581046951,"quality":"auspicious"},{"name":"Kāla","start":"04:23","end":"05:43","startHours":28.38072581046951,"endHours":29.723710482144742,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:43","end":"06:43","startHours":5.7237104821447415,"endHours":6.7237104821447415,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:43","end":"07:43","startHours":6.7237104821447415,"endHours":7.7237104821447415,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:43","end":"08:43","startHours":7.7237104821447415,"endHours":8.723710482144742,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:43","end":"09:43","startHours":8.723710482144742,"endHours":9.723710482144742,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:43","end":"10:43","startHours":9.723710482144742,"endHours":10.723710482144742,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:43","end":"11:43","startHours":10.723710482144742,"endHours":11.723710482144742,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:43","end":"12:43","startHours":11.723710482144742,"endHours":12.723710482144742,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:43","end":"13:43","startHours":12.723710482144742,"endHours":13.723710482144742,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:43","end":"14:43","startHours":13.723710482144742,"endHours":14.723710482144742,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:43","end":"15:43","startHours":14.723710482144742,"endHours":15.723710482144742,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:43","end":"16:43","startHours":15.723710482144742,"endHours":16.723710482144742,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:43","end":"17:43","startHours":16.723710482144742,"endHours":17.723710482144742,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:43","end":"18:43","startHours":17.723710482144742,"endHours":18.723710482144742,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:43","end":"19:43","startHours":18.723710482144742,"endHours":19.723710482144742,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:43","end":"20:43","startHours":19.723710482144742,"endHours":20.723710482144742,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:43","end":"21:43","startHours":20.723710482144742,"endHours":21.723710482144742,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:43","end":"22:43","startHours":21.723710482144742,"endHours":22.723710482144742,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:43","end":"23:43","startHours":22.723710482144742,"endHours":23.723710482144742,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:43","end":"00:43","startHours":23.723710482144742,"endHours":24.723710482144742,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:43","end":"01:43","startHours":24.723710482144742,"endHours":25.723710482144742,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:43","end":"02:43","startHours":25.723710482144742,"endHours":26.723710482144742,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:43","end":"03:43","startHours":26.723710482144742,"endHours":27.723710482144742,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:43","end":"04:43","startHours":27.723710482144742,"endHours":28.723710482144742,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:43","end":"05:43","startHours":28.723710482144742,"endHours":29.723710482144742,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.176973679249262,"eotMinutes":-4.176707726628523,"ayanamsa":24.1829}},"calendars":{"vikram_samvat":2080,"vikram_samvatsara":"Nala","saka_samvat":1945,"saka_samvatsara":"Śobhana","bengali_samvat":1430,"malayalam_era":1199,"nanakshahi_year":554,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Caturdaśī · Vikram 2080 Nala · Śaka 1945 Śobhana"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 15, 2023 CE · Ṛṣikeśa · Vidhyamitra","description":"August 15, 2023 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 05:43, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2023-08-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2023-08-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/2023-08-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/2023-08-15","x-default":"https://vidhyamitra.com/city/rishikesh/2023-08-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:31:56.910Z","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":"2026-05-15T06:31:56.910Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:31:56.910Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}