{"id":"vidhyamitra:city-day:rishikesh:2007-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2007-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2007-08-20","date_display":"August 20, 2007 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":2007,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454332.770833,"kali_year":5109,"ahargana":1865867.2708,"sun":{"sidereal_longitude":122.0577,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":204.1762,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.1185,"elapsed_within_tithi_degrees":10.1185},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.1762,"elapsed_within_degrees":4.1762},"yoga":{"number":25,"name":"Brahma","sum_longitude":326.2339},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2007,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454332.770833,"ahargana":1865867.2708,"kali_year":5109,"ayanamsa_lahiri":23.9596,"grahas":{"sun":{"sidereal_longitude":122.71119699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":202.10499700000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":-4.1356},"mars":{"sidereal_longitude":44.05109700000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":126.90369699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":226.94969700000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":119.497297,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":124.132297,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":317.3728,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":137.3728,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"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":2007,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454332.770833,"kali_year":5109,"ahargana":1865867.2708,"sun":{"sidereal_longitude":122.0577,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":204.1762,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.1185,"elapsed_within_tithi_degrees":10.1185},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.1762,"elapsed_within_degrees":4.1762},"yoga":{"number":25,"name":"Brahma","sum_longitude":326.2339},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.136,"elongation":82.119},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.136,"opposition_distance":97.881}},"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":"05:46","sunsetLocal":"18:54","solarNoonLocal":"12:20","dayLengthHours":13.126825864960063,"dayLengthDisplay":"13 Hours 07 Mins 37 Secs","nightLengthDisplay":"10 Hours 52 Mins 23 Secs","moonriseLocal":"12:15","moonsetLocal":"23:01","rahuKala":{"name":"Rāhu Kāla","start":"07:25","end":"09:03","startHours":7.410433815815481,"endHours":9.051287048935489,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:20","startHours":10.692140282055497,"endHours":12.332993515175506,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:58","end":"15:37","startHours":13.973846748295513,"endHours":15.614699981415521,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.832506617852822,"endHours":9.270067480018156,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:40","startHours":6.316531660402143,"endHours":6.666580350134412,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:46","startHours":11.895432653010168,"endHours":12.77055437734084,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:01","end":"04:54","startHours":4.0193371340341315,"endHours":4.8944588583648025,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:46","startHours":4.675678427282135,"endHours":5.769580582695474,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:24","startHours":14.520797826002182,"endHours":15.395919550332852,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.696406447655537,"endHours":19.096406447655536,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.896406447655536,"endHours":19.443357525362206,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.646406447655536,"endHours":20.396406447655536,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:46","startHours":23.895432653010168,"endHours":24.770554377340837,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:46","end":"07:25","startHours":5.769580582695474,"endHours":7.410433815815481,"quality":"auspicious"},{"name":"Kāla","start":"07:25","end":"09:03","startHours":7.410433815815481,"endHours":9.051287048935489,"quality":"inauspicious"},{"name":"Śubha","start":"09:03","end":"10:42","startHours":9.051287048935489,"endHours":10.692140282055497,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:20","startHours":10.692140282055497,"endHours":12.332993515175506,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:58","startHours":12.332993515175506,"endHours":13.973846748295513,"quality":"inauspicious"},{"name":"Chala","start":"13:58","end":"15:37","startHours":13.973846748295513,"endHours":15.614699981415521,"quality":"neutral"},{"name":"Labha","start":"15:37","end":"17:15","startHours":15.614699981415521,"endHours":17.255553214535528,"quality":"auspicious"},{"name":"Amṛta","start":"17:15","end":"18:54","startHours":17.255553214535528,"endHours":18.896406447655536,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:54","end":"20:15","startHours":18.896406447655536,"endHours":20.255553214535528,"quality":"neutral"},{"name":"Labha","start":"20:15","end":"21:37","startHours":20.255553214535528,"endHours":21.61469998141552,"quality":"auspicious"},{"name":"Amṛta","start":"21:37","end":"22:58","startHours":21.61469998141552,"endHours":22.973846748295514,"quality":"auspicious"},{"name":"Kāla","start":"22:58","end":"00:20","startHours":22.973846748295514,"endHours":24.332993515175506,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:42","startHours":24.332993515175506,"endHours":25.692140282055497,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:03","startHours":25.692140282055497,"endHours":27.05128704893549,"quality":"inauspicious"},{"name":"Udveg","start":"03:03","end":"04:25","startHours":27.05128704893549,"endHours":28.41043381581548,"quality":"inauspicious"},{"name":"Chala","start":"04:25","end":"05:46","startHours":28.41043381581548,"endHours":29.769580582695475,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.769580582695474,"endHours":6.769580582695474,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.769580582695474,"endHours":7.769580582695474,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.769580582695474,"endHours":8.769580582695474,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.769580582695474,"endHours":9.769580582695474,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.769580582695474,"endHours":10.769580582695474,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.769580582695474,"endHours":11.769580582695474,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.769580582695474,"endHours":12.769580582695474,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.769580582695474,"endHours":13.769580582695474,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.769580582695474,"endHours":14.769580582695474,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.769580582695474,"endHours":15.769580582695474,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.769580582695474,"endHours":16.769580582695475,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.769580582695475,"endHours":17.769580582695475,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.769580582695475,"endHours":18.769580582695475,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.769580582695475,"endHours":19.769580582695475,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.769580582695475,"endHours":20.769580582695475,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.769580582695475,"endHours":21.769580582695475,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.769580582695475,"endHours":22.769580582695475,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.769580582695475,"endHours":23.769580582695475,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.769580582695475,"endHours":24.769580582695475,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.769580582695475,"endHours":25.769580582695475,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.769580582695475,"endHours":26.769580582695475,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.769580582695475,"endHours":27.769580582695475,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.769580582695475,"endHours":28.769580582695475,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.769580582695475,"endHours":29.769580582695475,"planetary_lord":"Venus"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":12.622919028981348,"eotMinutes":-3.0500109105302213,"ayanamsa":23.9596}},"calendars":{"vikram_samvat":2064,"vikram_samvatsara":"Śārvarī","saka_samvat":1929,"saka_samvatsara":"Sarvajit","bengali_samvat":1414,"malayalam_era":1183,"nanakshahi_year":538,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Saptamī · Vikram 2064 Śārvarī · Śaka 1929 Sarvajit"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 20, 2007 CE · Ṛṣikeśa · Vidhyamitra","description":"August 20, 2007 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:46, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2007-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2007-08-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/2007-08-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/2007-08-20","x-default":"https://vidhyamitra.com/city/rishikesh/2007-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T15:00:35.955Z","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":"2026-05-16T15:00:35.955Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T15:00:35.955Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}