{"id":"vidhyamitra:city-day:rishikesh:1902-08-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1902-08-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1902-08-19","date_display":"August 19, 1902 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":1902,"month":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415980.770833,"kali_year":5004,"ahargana":1827515.2708,"sun":{"sidereal_longitude":122.22,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":299.1789,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.959,"elapsed_within_tithi_degrees":8.959},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":299.1789,"elapsed_within_degrees":5.8456},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.3989},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1902,"month":8,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415980.770833,"ahargana":1827515.2708,"kali_year":5004,"ayanamsa_lahiri":22.4928,"grahas":{"sun":{"sidereal_longitude":122.61972500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":299.999225,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":4.2353},"mars":{"sidereal_longitude":88.25892499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":131.41702499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":289.471725,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"venus":{"sidereal_longitude":98.00242500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":271.169525,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":189.4463,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":9.4463,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1902,"month":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415980.770833,"kali_year":5004,"ahargana":1827515.2708,"sun":{"sidereal_longitude":122.22,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":299.1789,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.959,"elapsed_within_tithi_degrees":8.959},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":299.1789,"elapsed_within_degrees":5.8456},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.3989},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.235,"elongation":176.959},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.235,"opposition_distance":3.041}},"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":"05:45","sunsetLocal":"18:55","solarNoonLocal":"12:20","dayLengthHours":13.170387474263563,"dayLengthDisplay":"13 Hours 10 Mins 13 Secs","nightLengthDisplay":"10 Hours 49 Mins 47 Secs","moonriseLocal":"18:40","moonsetLocal":"05:39","rahuKala":{"name":"Rāhu Kāla","start":"15:38","end":"17:17","startHours":15.629648012004683,"endHours":17.275946446287627,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:03","end":"10:41","startHours":9.044454274872901,"endHours":10.690752709155845,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:59","startHours":12.337051143438792,"endHours":13.983349577721736,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.824947816968507,"endHours":9.263960732777292,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:39","startHours":6.300623551067991,"endHours":6.651833883715019,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:47","startHours":11.898038227630007,"endHours":12.776064059247577,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:52","startHours":3.995805743071868,"endHours":4.873831574689438,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:45","startHours":4.654325116785046,"endHours":5.75185740630701,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:25","startHours":14.532115722482718,"endHours":15.410141554100289,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.722244880570575,"endHours":19.122244880570573,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.922244880570574,"endHours":19.471011025331556,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.672244880570574,"endHours":20.422244880570574,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:47","startHours":23.898038227630007,"endHours":24.776064059247577,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:45","end":"07:24","startHours":5.75185740630701,"endHours":7.398155840589955,"quality":"inauspicious"},{"name":"Udveg","start":"07:24","end":"09:03","startHours":7.398155840589955,"endHours":9.044454274872901,"quality":"inauspicious"},{"name":"Chala","start":"09:03","end":"10:41","startHours":9.044454274872901,"endHours":10.690752709155845,"quality":"neutral"},{"name":"Labha","start":"10:41","end":"12:20","startHours":10.690752709155845,"endHours":12.337051143438792,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:59","startHours":12.337051143438792,"endHours":13.983349577721736,"quality":"auspicious"},{"name":"Kāla","start":"13:59","end":"15:38","startHours":13.983349577721736,"endHours":15.629648012004683,"quality":"inauspicious"},{"name":"Śubha","start":"15:38","end":"17:17","startHours":15.629648012004683,"endHours":17.275946446287627,"quality":"auspicious"},{"name":"Roga","start":"17:17","end":"18:55","startHours":17.275946446287627,"endHours":18.922244880570574,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:55","end":"20:17","startHours":18.922244880570574,"endHours":20.275946446287627,"quality":"inauspicious"},{"name":"Śubha","start":"20:17","end":"21:38","startHours":20.275946446287627,"endHours":21.629648012004683,"quality":"auspicious"},{"name":"Roga","start":"21:38","end":"22:59","startHours":21.629648012004683,"endHours":22.98334957772174,"quality":"inauspicious"},{"name":"Udveg","start":"22:59","end":"00:20","startHours":22.98334957772174,"endHours":24.337051143438792,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"01:41","startHours":24.337051143438792,"endHours":25.690752709155845,"quality":"neutral"},{"name":"Labha","start":"01:41","end":"03:03","startHours":25.690752709155845,"endHours":27.0444542748729,"quality":"auspicious"},{"name":"Amṛta","start":"03:03","end":"04:24","startHours":27.0444542748729,"endHours":28.398155840589958,"quality":"auspicious"},{"name":"Kāla","start":"04:24","end":"05:45","startHours":28.398155840589958,"endHours":29.75185740630701,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.75185740630701,"endHours":6.75185740630701,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.75185740630701,"endHours":7.75185740630701,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.75185740630701,"endHours":8.75185740630701,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.75185740630701,"endHours":9.75185740630701,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.75185740630701,"endHours":10.75185740630701,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.75185740630701,"endHours":11.75185740630701,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.75185740630701,"endHours":12.75185740630701,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.75185740630701,"endHours":13.75185740630701,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.75185740630701,"endHours":14.75185740630701,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.75185740630701,"endHours":15.75185740630701,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.75185740630701,"endHours":16.75185740630701,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.75185740630701,"endHours":17.75185740630701,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.75185740630701,"endHours":18.75185740630701,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.75185740630701,"endHours":19.75185740630701,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.75185740630701,"endHours":20.75185740630701,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.75185740630701,"endHours":21.75185740630701,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.75185740630701,"endHours":22.75185740630701,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.75185740630701,"endHours":23.75185740630701,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.75185740630701,"endHours":24.75185740630701,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.75185740630701,"endHours":25.75185740630701,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.75185740630701,"endHours":26.75185740630701,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.75185740630701,"endHours":27.75185740630701,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.75185740630701,"endHours":28.75185740630701,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.75185740630701,"endHours":29.75185740630701,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.149323191594236,"eotMinutes":-3.2934686063275223,"ayanamsa":22.4928}},"calendars":{"vikram_samvat":1959,"vikram_samvatsara":"Rākṣasa","saka_samvat":1824,"saka_samvatsara":"Śubhakṛt","bengali_samvat":1309,"malayalam_era":1078,"nanakshahi_year":433,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pūrṇimā · Vikram 1959 Rākṣasa · Śaka 1824 Śubhakṛt"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 19, 1902 CE · Ṛṣikeśa · Vidhyamitra","description":"August 19, 1902 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 05:45, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1902-08-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1902-08-19","sa":"https://sa.vidhyamitra.com/city/rishikesh/1902-08-19","hi":"https://hi.vidhyamitra.com/city/rishikesh/1902-08-19","x-default":"https://vidhyamitra.com/city/rishikesh/1902-08-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T21:46:36.707Z","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":"2026-05-29T21:46:36.707Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T21:46:36.707Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}