{"id":"vidhyamitra:city-day:rishikesh:2037-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2037-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2037-08-17","date_display":"August 17, 2037 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":2037,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465287.770833,"kali_year":5139,"ahargana":1876822.2708,"sun":{"sidereal_longitude":119.4138,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":193.4859,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.0721,"elapsed_within_tithi_degrees":2.0721},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":193.4859,"elapsed_within_degrees":6.8193},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.8997},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2037,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465287.770833,"ahargana":1876822.2708,"kali_year":5139,"ayanamsa_lahiri":24.3786,"grahas":{"sun":{"sidereal_longitude":120.12683500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":197.27963499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":4.4705},"mars":{"sidereal_longitude":23.150935000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":128.79663499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":83.45633499999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"venus":{"sidereal_longitude":157.21093500000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":129.815835,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":96.9242,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":276.9242,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2037,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465287.770833,"kali_year":5139,"ahargana":1876822.2708,"sun":{"sidereal_longitude":119.4138,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":193.4859,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.0721,"elapsed_within_tithi_degrees":2.0721},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":193.4859,"elapsed_within_degrees":6.8193},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.8997},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.47,"elongation":74.072},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.47,"opposition_distance":105.928}},"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":"18:56","solarNoonLocal":"12:21","dayLengthHours":13.18722637041271,"dayLengthDisplay":"13 Hours 11 Mins 14 Secs","nightLengthDisplay":"10 Hours 48 Mins 46 Secs","moonriseLocal":"12:03","moonsetLocal":"22:56","rahuKala":{"name":"Rāhu Kāla","start":"07:24","end":"09:03","startHours":7.3995098036638645,"endHours":9.047913099965452,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:21","startHours":10.696316396267042,"endHours":12.344719692568631,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:38","startHours":13.993122988870219,"endHours":15.641526285171807,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.828125993791907,"endHours":9.267700206138999,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:39","startHours":6.300574272796139,"endHours":6.652233642673811,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:47","startHours":11.905145480221542,"endHours":12.784293904915721,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:52","startHours":3.9928096579739147,"endHours":4.871958082668095,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:45","startHours":4.65217097649455,"endHours":5.751106507362276,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:25","startHours":14.542590754304083,"endHours":15.421739178998264,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.738332877774987,"endHours":19.138332877774985,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:29","startHours":18.938332877774986,"endHours":19.48780064320885,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.688332877774986,"endHours":20.438332877774986,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:47","startHours":23.90514548022154,"endHours":24.78429390491572,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:45","end":"07:24","startHours":5.751106507362276,"endHours":7.3995098036638645,"quality":"auspicious"},{"name":"Kāla","start":"07:24","end":"09:03","startHours":7.3995098036638645,"endHours":9.047913099965452,"quality":"inauspicious"},{"name":"Śubha","start":"09:03","end":"10:42","startHours":9.047913099965452,"endHours":10.696316396267042,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:21","startHours":10.696316396267042,"endHours":12.344719692568631,"quality":"inauspicious"},{"name":"Udveg","start":"12:21","end":"14:00","startHours":12.344719692568631,"endHours":13.993122988870219,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:38","startHours":13.993122988870219,"endHours":15.641526285171807,"quality":"neutral"},{"name":"Labha","start":"15:38","end":"17:17","startHours":15.641526285171807,"endHours":17.289929581473398,"quality":"auspicious"},{"name":"Amṛta","start":"17:17","end":"18:56","startHours":17.289929581473398,"endHours":18.938332877774986,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:56","end":"20:17","startHours":18.938332877774986,"endHours":20.289929581473398,"quality":"neutral"},{"name":"Labha","start":"20:17","end":"21:38","startHours":20.289929581473398,"endHours":21.641526285171807,"quality":"auspicious"},{"name":"Amṛta","start":"21:38","end":"23:00","startHours":21.641526285171807,"endHours":22.99312298887022,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:21","startHours":22.99312298887022,"endHours":24.34471969256863,"quality":"inauspicious"},{"name":"Śubha","start":"00:21","end":"01:42","startHours":24.34471969256863,"endHours":25.696316396267044,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:03","startHours":25.696316396267044,"endHours":27.047913099965456,"quality":"inauspicious"},{"name":"Udveg","start":"03:03","end":"04:24","startHours":27.047913099965456,"endHours":28.399509803663864,"quality":"inauspicious"},{"name":"Chala","start":"04:24","end":"05:45","startHours":28.399509803663864,"endHours":29.751106507362277,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.751106507362276,"endHours":6.751106507362276,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.751106507362276,"endHours":7.751106507362276,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.751106507362276,"endHours":8.751106507362277,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.751106507362277,"endHours":9.751106507362277,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.751106507362277,"endHours":10.751106507362277,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.751106507362277,"endHours":11.751106507362277,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.751106507362277,"endHours":12.751106507362277,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.751106507362277,"endHours":13.751106507362277,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.751106507362277,"endHours":14.751106507362277,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.751106507362277,"endHours":15.751106507362277,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.751106507362277,"endHours":16.751106507362277,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.751106507362277,"endHours":17.751106507362277,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.751106507362277,"endHours":18.751106507362277,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.751106507362277,"endHours":19.751106507362277,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.751106507362277,"endHours":20.751106507362277,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.751106507362277,"endHours":21.751106507362277,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.751106507362277,"endHours":22.751106507362277,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.751106507362277,"endHours":23.751106507362277,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.751106507362277,"endHours":24.751106507362277,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.751106507362277,"endHours":25.751106507362277,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.751106507362277,"endHours":26.751106507362277,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.751106507362277,"endHours":27.751106507362277,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.751106507362277,"endHours":28.751106507362277,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.751106507362277,"endHours":29.751106507362277,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"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":13.352048761626383,"eotMinutes":-3.7535815541179196,"ayanamsa":24.3786}},"calendars":{"vikram_samvat":2094,"vikram_samvatsara":"Pramoda","saka_samvat":1959,"saka_samvatsara":"Piṅgala","bengali_samvat":1444,"malayalam_era":1213,"nanakshahi_year":568,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Saptamī · Vikram 2094 Pramoda · Śaka 1959 Piṅgala"},"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":[]},"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 17, 2037 CE · Ṛṣikeśa · Vidhyamitra","description":"August 17, 2037 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:45, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2037-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2037-08-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2037-08-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2037-08-17","x-default":"https://vidhyamitra.com/city/rishikesh/2037-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:43:51.864Z","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":"2026-05-15T20:43:51.864Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:43:51.864Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}