{"id":"vidhyamitra:city-day:rishikesh:2136-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2136-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2136-05-18","date_display":"May 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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501355.770833,"kali_year":5238,"ahargana":1912890.2708,"sun":{"sidereal_longitude":31.4215,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":238.0493,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.6277,"elapsed_within_tithi_degrees":2.6277},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.0493,"elapsed_within_degrees":11.3826},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.4708},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501355.770833,"ahargana":1912890.2708,"kali_year":5238,"ayanamsa_lahiri":25.7581,"grahas":{"sun":{"sidereal_longitude":31.76727299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":240.04817300000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-4.2837},"mars":{"sidereal_longitude":111.456973,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":5.775172999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":180.40657299999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":33.474373000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":255.53077299999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":345.868,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":165.868,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2136,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501355.770833,"kali_year":5238,"ahargana":1912890.2708,"sun":{"sidereal_longitude":31.4215,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":238.0493,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.6277,"elapsed_within_tithi_degrees":2.6277},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.0493,"elapsed_within_degrees":11.3826},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.4708},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.284,"elongation":153.372},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.284,"opposition_distance":26.628}},"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":"05:21","sunsetLocal":"19:05","solarNoonLocal":"12:13","dayLengthHours":13.727462567090347,"dayLengthDisplay":"13 Hours 43 Mins 39 Secs","nightLengthDisplay":"10 Hours 16 Mins 21 Secs","moonriseLocal":"21:01","moonsetLocal":"07:11","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:13","startHours":10.504740809272546,"endHours":12.220673630158839,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:39","end":"17:22","startHours":15.652539271931426,"endHours":17.36847209281772,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:04","end":"08:47","startHours":7.0728751674999595,"endHours":8.788807988386253,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:01","startHours":8.560016945601413,"endHours":9.017599031171091,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:18","startHours":5.928919953575764,"endHours":6.294985622031506,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.763091544589162,"endHours":12.678255715728518,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:32","end":"04:27","startHours":3.526614004334953,"endHours":4.441778175474309,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:21","startHours":4.21298713268947,"endHours":5.356942346613666,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:25","startHours":14.50858405800723,"endHours":15.423748229146586,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:53","end":"19:17","startHours":18.884404913704014,"endHours":19.284404913704012,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:05","end":"19:39","startHours":19.084404913704013,"endHours":19.65638252066611,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:50","end":"20:35","startHours":18.834404913704013,"endHours":20.584404913704013,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.763091544589162,"endHours":24.678255715728522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:21","end":"07:04","startHours":5.356942346613666,"endHours":7.0728751674999595,"quality":"neutral"},{"name":"Labha","start":"07:04","end":"08:47","startHours":7.0728751674999595,"endHours":8.788807988386253,"quality":"auspicious"},{"name":"Amṛta","start":"08:47","end":"10:30","startHours":8.788807988386253,"endHours":10.504740809272546,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:13","startHours":10.504740809272546,"endHours":12.220673630158839,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:56","startHours":12.220673630158839,"endHours":13.936606451045133,"quality":"auspicious"},{"name":"Roga","start":"13:56","end":"15:39","startHours":13.936606451045133,"endHours":15.652539271931426,"quality":"inauspicious"},{"name":"Udveg","start":"15:39","end":"17:22","startHours":15.652539271931426,"endHours":17.36847209281772,"quality":"inauspicious"},{"name":"Chala","start":"17:22","end":"19:05","startHours":17.36847209281772,"endHours":19.084404913704013,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:05","end":"20:22","startHours":19.084404913704013,"endHours":20.36847209281772,"quality":"inauspicious"},{"name":"Udveg","start":"20:22","end":"21:39","startHours":20.36847209281772,"endHours":21.652539271931428,"quality":"inauspicious"},{"name":"Chala","start":"21:39","end":"22:56","startHours":21.652539271931428,"endHours":22.936606451045133,"quality":"neutral"},{"name":"Labha","start":"22:56","end":"00:13","startHours":22.936606451045133,"endHours":24.22067363015884,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:30","startHours":24.22067363015884,"endHours":25.504740809272548,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:47","startHours":25.504740809272548,"endHours":26.788807988386253,"quality":"inauspicious"},{"name":"Śubha","start":"02:47","end":"04:04","startHours":26.788807988386253,"endHours":28.07287516749996,"quality":"auspicious"},{"name":"Roga","start":"04:04","end":"05:21","startHours":28.07287516749996,"endHours":29.356942346613664,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.356942346613666,"endHours":6.356942346613666,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.356942346613666,"endHours":7.356942346613666,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.356942346613666,"endHours":8.356942346613666,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.356942346613666,"endHours":9.356942346613666,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.356942346613666,"endHours":10.356942346613666,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.356942346613666,"endHours":11.356942346613666,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.356942346613666,"endHours":12.356942346613666,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.356942346613666,"endHours":13.356942346613666,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.356942346613666,"endHours":14.356942346613666,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.356942346613666,"endHours":15.356942346613666,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.356942346613666,"endHours":16.356942346613664,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.356942346613664,"endHours":17.356942346613664,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.356942346613664,"endHours":18.356942346613664,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.356942346613664,"endHours":19.356942346613664,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.356942346613664,"endHours":20.356942346613664,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.356942346613664,"endHours":21.356942346613664,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.356942346613664,"endHours":22.356942346613664,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.356942346613664,"endHours":23.356942346613664,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.356942346613664,"endHours":24.356942346613664,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.356942346613664,"endHours":25.356942346613664,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.356942346613664,"endHours":26.356942346613664,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.356942346613664,"endHours":27.356942346613664,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.356942346613664,"endHours":28.356942346613664,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.356942346613664,"endHours":29.356942346613664,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.605302902335495,"eotMinutes":3.6891821904695723,"ayanamsa":25.7581}},"calendars":{"vikram_samvat":2193,"vikram_samvatsara":"Saumya","saka_samvat":2058,"saka_samvatsara":"Durmukhi","bengali_samvat":1543,"malayalam_era":1312,"nanakshahi_year":667,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Tṛtīyā · Vikram 2193 Saumya · Śaka 2058 Durmukhi"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 May 18, 2136 CE · Ṛṣikeśa · Vidhyamitra","description":"May 18, 2136 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 05:21, sūryāsta 19:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2136-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2136-05-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2136-05-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2136-05-18","x-default":"https://vidhyamitra.com/city/rishikesh/2136-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T07:24:05.542Z","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":"2026-05-25T07:24:05.542Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T07:24:05.542Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}