{"id":"vidhyamitra:city-day:rishikesh:2037-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2037-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2037-08-18","date_display":"August 18, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2037,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465288.770833,"kali_year":5139,"ahargana":1876823.2708,"sun":{"sidereal_longitude":120.3704,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":207.3971,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.0267,"elapsed_within_tithi_degrees":3.0267},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3971,"elapsed_within_degrees":7.3971},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.7675},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2037,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465288.770833,"ahargana":1876823.2708,"kali_year":5139,"ayanamsa_lahiri":24.3786,"grahas":{"sun":{"sidereal_longitude":121.08839699999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":211.046697,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.2138},"mars":{"sidereal_longitude":23.688097000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":128.025897,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":83.65879699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"venus":{"sidereal_longitude":158.38689699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":129.941197,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":96.8712,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":276.8712,"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2037,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465288.770833,"kali_year":5139,"ahargana":1876823.2708,"sun":{"sidereal_longitude":120.3704,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":207.3971,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.0267,"elapsed_within_tithi_degrees":3.0267},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3971,"elapsed_within_degrees":7.3971},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.7675},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.214,"elongation":87.027},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.214,"opposition_distance":92.973}},"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":"18:55","solarNoonLocal":"12:20","dayLengthHours":13.160520526837487,"dayLengthDisplay":"13 Hours 09 Mins 38 Secs","nightLengthDisplay":"10 Hours 50 Mins 22 Secs","moonriseLocal":"13:04","moonsetLocal":"23:37","rahuKala":{"name":"Rāhu Kāla","start":"15:38","end":"17:17","startHours":15.631091093724546,"endHours":17.276156159579234,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:03","end":"10:42","startHours":9.050830830305802,"endHours":10.69589589616049,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:59","startHours":12.340960962015174,"endHours":13.986026027869862,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.831488821525179,"endHours":9.270172839086428,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:40","startHours":6.309055720547994,"endHours":6.660002934596993,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:47","startHours":11.902276944453925,"endHours":12.779644979576423,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:53","startHours":4.005964628351433,"endHours":4.883332663473932,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:46","startHours":4.663990654693308,"endHours":5.760700698596431,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:25","startHours":14.534381049821423,"endHours":15.411749084943922,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.72122122543392,"endHours":19.121221225433917,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.921221225433918,"endHours":19.46957624738548,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.671221225433918,"endHours":20.421221225433918,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:47","startHours":23.902276944453924,"endHours":24.779644979576425,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:46","end":"07:24","startHours":5.760700698596431,"endHours":7.405765764451117,"quality":"inauspicious"},{"name":"Udveg","start":"07:24","end":"09:03","startHours":7.405765764451117,"endHours":9.050830830305802,"quality":"inauspicious"},{"name":"Chala","start":"09:03","end":"10:42","startHours":9.050830830305802,"endHours":10.69589589616049,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:20","startHours":10.69589589616049,"endHours":12.340960962015174,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:59","startHours":12.340960962015174,"endHours":13.986026027869862,"quality":"auspicious"},{"name":"Kāla","start":"13:59","end":"15:38","startHours":13.986026027869862,"endHours":15.631091093724546,"quality":"inauspicious"},{"name":"Śubha","start":"15:38","end":"17:17","startHours":15.631091093724546,"endHours":17.276156159579234,"quality":"auspicious"},{"name":"Roga","start":"17:17","end":"18:55","startHours":17.276156159579234,"endHours":18.921221225433918,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:55","end":"20:17","startHours":18.921221225433918,"endHours":20.27615615957923,"quality":"inauspicious"},{"name":"Śubha","start":"20:17","end":"21:38","startHours":20.27615615957923,"endHours":21.631091093724546,"quality":"auspicious"},{"name":"Roga","start":"21:38","end":"22:59","startHours":21.631091093724546,"endHours":22.986026027869862,"quality":"inauspicious"},{"name":"Udveg","start":"22:59","end":"00:20","startHours":22.986026027869862,"endHours":24.340960962015174,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"01:42","startHours":24.340960962015174,"endHours":25.695895896160486,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:03","startHours":25.695895896160486,"endHours":27.050830830305802,"quality":"auspicious"},{"name":"Amṛta","start":"03:03","end":"04:24","startHours":27.050830830305802,"endHours":28.405765764451118,"quality":"auspicious"},{"name":"Kāla","start":"04:24","end":"05:46","startHours":28.405765764451118,"endHours":29.76070069859643,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.760700698596431,"endHours":6.760700698596431,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.760700698596431,"endHours":7.760700698596431,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.760700698596431,"endHours":8.76070069859643,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.76070069859643,"endHours":9.76070069859643,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.76070069859643,"endHours":10.76070069859643,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.76070069859643,"endHours":11.76070069859643,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.76070069859643,"endHours":12.76070069859643,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.76070069859643,"endHours":13.76070069859643,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.76070069859643,"endHours":14.76070069859643,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.76070069859643,"endHours":15.76070069859643,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.76070069859643,"endHours":16.76070069859643,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.76070069859643,"endHours":17.76070069859643,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.76070069859643,"endHours":18.76070069859643,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.76070069859643,"endHours":19.76070069859643,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.76070069859643,"endHours":20.76070069859643,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.76070069859643,"endHours":21.76070069859643,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.76070069859643,"endHours":22.76070069859643,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.76070069859643,"endHours":23.76070069859643,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.76070069859643,"endHours":24.76070069859643,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.76070069859643,"endHours":25.76070069859643,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.76070069859643,"endHours":26.76070069859643,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.76070069859643,"endHours":27.76070069859643,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.76070069859643,"endHours":28.76070069859643,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.76070069859643,"endHours":29.76070069859643,"planetary_lord":"Saturn"}],"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","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.030335963138686,"eotMinutes":-3.5280577209103767,"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":"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 Aṣṭamī · Vikram 2094 Pramoda · Śaka 1959 Piṅgala"},"festivals":[],"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 18, 2037 CE · Ṛṣikeśa · Vidhyamitra","description":"August 18, 2037 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 05:46, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2037-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2037-08-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2037-08-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2037-08-18","x-default":"https://vidhyamitra.com/city/rishikesh/2037-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-09T08:52:16.172Z","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":"2026-08-09T08:52:16.172Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-09T08:52:16.172Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}