{"id":"vidhyamitra:city-day:rishikesh:2136-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2136-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2136-08-18","date_display":"August 18, 2136 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":2136,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501447.770833,"kali_year":5238,"ahargana":1912982.2708,"sun":{"sidereal_longitude":118.8239,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":11.4223,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.5984,"elapsed_within_tithi_degrees":0.5984},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.4223,"elapsed_within_degrees":11.4223},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":130.2462},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2136,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501447.770833,"ahargana":1912982.2708,"kali_year":5238,"ayanamsa_lahiri":25.7616,"grahas":{"sun":{"sidereal_longitude":119.77405799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":11.095057999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":2.2774},"mars":{"sidereal_longitude":163.480858,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":115.56325800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":182.93805799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":146.004958,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":249.88785800000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":340.9934,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":160.9934,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2136,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501447.770833,"kali_year":5238,"ahargana":1912982.2708,"sun":{"sidereal_longitude":118.8239,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":11.4223,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.5984,"elapsed_within_tithi_degrees":0.5984},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.4223,"elapsed_within_degrees":11.4223},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":130.2462},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.277,"elongation":107.402},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.277,"opposition_distance":72.598}},"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":13.158606373142648,"dayLengthDisplay":"13 Hours 09 Mins 31 Secs","nightLengthDisplay":"10 Hours 50 Mins 29 Secs","moonriseLocal":"22:30","moonsetLocal":"11:41","rahuKala":{"name":"Rāhu Kāla","start":"09:03","end":"10:42","startHours":9.05130936872951,"endHours":10.696135165372343,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:59","end":"15:38","startHours":13.985786758658005,"endHours":15.630612555300836,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:46","end":"07:24","startHours":5.761657775443849,"endHours":7.40648357208668,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.831999262510468,"endHours":9.270619474948555,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:40","startHours":6.30993304099146,"endHours":6.66082921094193,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:47","startHours":11.902340749577085,"endHours":12.779581174453263,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:53","startHours":4.007176925691496,"endHours":4.884417350567673,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:46","startHours":4.665107244348628,"endHours":5.761657775443849,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:25","startHours":14.534062024205616,"endHours":15.411302449081793,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.720264148586498,"endHours":19.120264148586497,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.920264148586497,"endHours":19.468539414134106,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.670264148586497,"endHours":20.420264148586497,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:47","startHours":23.902340749577085,"endHours":24.779581174453263,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:46","end":"07:24","startHours":5.761657775443849,"endHours":7.40648357208668,"quality":"inauspicious"},{"name":"Śubha","start":"07:24","end":"09:03","startHours":7.40648357208668,"endHours":9.05130936872951,"quality":"auspicious"},{"name":"Roga","start":"09:03","end":"10:42","startHours":9.05130936872951,"endHours":10.696135165372343,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:20","startHours":10.696135165372343,"endHours":12.340960962015174,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:59","startHours":12.340960962015174,"endHours":13.985786758658005,"quality":"neutral"},{"name":"Labha","start":"13:59","end":"15:38","startHours":13.985786758658005,"endHours":15.630612555300836,"quality":"auspicious"},{"name":"Amṛta","start":"15:38","end":"17:17","startHours":15.630612555300836,"endHours":17.275438351943667,"quality":"auspicious"},{"name":"Kāla","start":"17:17","end":"18:55","startHours":17.275438351943667,"endHours":18.920264148586497,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:55","end":"20:17","startHours":18.920264148586497,"endHours":20.275438351943667,"quality":"auspicious"},{"name":"Amṛta","start":"20:17","end":"21:38","startHours":20.275438351943667,"endHours":21.630612555300836,"quality":"auspicious"},{"name":"Kāla","start":"21:38","end":"22:59","startHours":21.630612555300836,"endHours":22.985786758658005,"quality":"inauspicious"},{"name":"Śubha","start":"22:59","end":"00:20","startHours":22.985786758658005,"endHours":24.340960962015174,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:42","startHours":24.340960962015174,"endHours":25.696135165372343,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"03:03","startHours":25.696135165372343,"endHours":27.051309368729513,"quality":"inauspicious"},{"name":"Chala","start":"03:03","end":"04:24","startHours":27.051309368729513,"endHours":28.406483572086678,"quality":"neutral"},{"name":"Labha","start":"04:24","end":"05:46","startHours":28.406483572086678,"endHours":29.76165777544385,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.761657775443849,"endHours":6.761657775443849,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.761657775443849,"endHours":7.761657775443849,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.761657775443849,"endHours":8.76165777544385,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.76165777544385,"endHours":9.76165777544385,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.76165777544385,"endHours":10.76165777544385,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.76165777544385,"endHours":11.76165777544385,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.76165777544385,"endHours":12.76165777544385,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.76165777544385,"endHours":13.76165777544385,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.76165777544385,"endHours":14.76165777544385,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.76165777544385,"endHours":15.76165777544385,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.76165777544385,"endHours":16.76165777544385,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.76165777544385,"endHours":17.76165777544385,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.76165777544385,"endHours":18.76165777544385,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.76165777544385,"endHours":19.76165777544385,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.76165777544385,"endHours":20.76165777544385,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.76165777544385,"endHours":21.76165777544385,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.76165777544385,"endHours":22.76165777544385,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.76165777544385,"endHours":23.76165777544385,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.76165777544385,"endHours":24.76165777544385,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.76165777544385,"endHours":25.76165777544385,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.76165777544385,"endHours":26.76165777544385,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.76165777544385,"endHours":27.76165777544385,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.76165777544385,"endHours":28.76165777544385,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.76165777544385,"endHours":29.76165777544385,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","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":13.007236029310656,"eotMinutes":-3.5280577209103767,"ayanamsa":25.7616}},"calendars":{"vikram_samvat":2193,"vikram_samvatsara":"Saumya","saka_samvat":2058,"saka_samvatsara":"Durmukhi","bengali_samvat":1543,"malayalam_era":1312,"nanakshahi_year":667,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Saptamī · Vikram 2193 Saumya · Śaka 2058 Durmukhi"},"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}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 18, 2136 CE · Ṛṣikeśa · Vidhyamitra","description":"August 18, 2136 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 05:46, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2136-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2136-08-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2136-08-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2136-08-18","x-default":"https://vidhyamitra.com/city/rishikesh/2136-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T08:47:33.999Z","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":"2026-05-25T08:47:33.999Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T08:47:33.999Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}