{"id":"vidhyamitra:city-day:rishikesh:2078-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2078-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2078-05-18","date_display":"May 18, 2078 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":2078,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480171.770833,"kali_year":5180,"ahargana":1891706.2708,"sun":{"sidereal_longitude":32.3867,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":112.4726,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.0859,"elapsed_within_tithi_degrees":8.0859},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.4726,"elapsed_within_degrees":5.8059},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":144.8593},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2078,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2480171.770833,"ahargana":1891706.2708,"kali_year":5180,"ayanamsa_lahiri":24.9479,"grahas":{"sun":{"sidereal_longitude":32.60225700000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":115.18295699999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":4.4767},"mars":{"sidereal_longitude":184.06705699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":23.717957000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":226.36215700000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":355.378257,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":266.70225700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":28.2982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.2982,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":2078,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480171.770833,"kali_year":5180,"ahargana":1891706.2708,"sun":{"sidereal_longitude":32.3867,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":112.4726,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.0859,"elapsed_within_tithi_degrees":8.0859},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.4726,"elapsed_within_degrees":5.8059},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":144.8593},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.477,"elongation":80.086},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.477,"opposition_distance":99.914}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":-1.244,"opposition_distance":2.899}]},"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":13.7279691719588,"dayLengthDisplay":"13 Hours 43 Mins 41 Secs","nightLengthDisplay":"10 Hours 16 Mins 19 Secs","moonriseLocal":"11:06","moonsetLocal":"00:22","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:56","startHours":12.220673630158839,"endHours":13.936669776653691,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:04","end":"08:47","startHours":7.072685190674289,"endHours":8.78868133716914,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:30","end":"12:13","startHours":10.50467748366399,"endHours":12.220673630158839,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:01","startHours":8.559881850969827,"endHours":9.017480823368452,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:18","startHours":5.9286877596777225,"endHours":6.2947669375966235,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.763074657760214,"endHours":12.678272602557467,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:32","end":"04:26","startHours":3.5262931545849323,"endHours":4.441491099382185,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:21","startHours":4.212691613182873,"endHours":5.356689044179439,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:25","startHours":14.508668492151973,"endHours":15.423866436949226,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:53","end":"19:17","startHours":18.88465821613824,"endHours":19.28465821613824,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:05","end":"19:39","startHours":19.08465821613824,"endHours":19.656656931636523,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:50","end":"20:35","startHours":18.83465821613824,"endHours":20.58465821613824,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.763074657760214,"endHours":24.67827260255747,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:21","end":"07:04","startHours":5.356689044179439,"endHours":7.072685190674289,"quality":"auspicious"},{"name":"Amṛta","start":"07:04","end":"08:47","startHours":7.072685190674289,"endHours":8.78868133716914,"quality":"auspicious"},{"name":"Kāla","start":"08:47","end":"10:30","startHours":8.78868133716914,"endHours":10.50467748366399,"quality":"inauspicious"},{"name":"Śubha","start":"10:30","end":"12:13","startHours":10.50467748366399,"endHours":12.220673630158839,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:56","startHours":12.220673630158839,"endHours":13.936669776653691,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:39","startHours":13.936669776653691,"endHours":15.65266592314854,"quality":"inauspicious"},{"name":"Chala","start":"15:39","end":"17:22","startHours":15.65266592314854,"endHours":17.36866206964339,"quality":"neutral"},{"name":"Labha","start":"17:22","end":"19:05","startHours":17.36866206964339,"endHours":19.08465821613824,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:05","end":"20:22","startHours":19.08465821613824,"endHours":20.368662069643392,"quality":"inauspicious"},{"name":"Chala","start":"20:22","end":"21:39","startHours":20.368662069643392,"endHours":21.65266592314854,"quality":"neutral"},{"name":"Labha","start":"21:39","end":"22:56","startHours":21.65266592314854,"endHours":22.93666977665369,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:13","startHours":22.93666977665369,"endHours":24.220673630158842,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:30","startHours":24.220673630158842,"endHours":25.50467748366399,"quality":"inauspicious"},{"name":"Śubha","start":"01:30","end":"02:47","startHours":25.50467748366399,"endHours":26.78868133716914,"quality":"auspicious"},{"name":"Roga","start":"02:47","end":"04:04","startHours":26.78868133716914,"endHours":28.072685190674292,"quality":"inauspicious"},{"name":"Udveg","start":"04:04","end":"05:21","startHours":28.072685190674292,"endHours":29.35668904417944,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.356689044179439,"endHours":6.356689044179439,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.356689044179439,"endHours":7.356689044179439,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.356689044179439,"endHours":8.35668904417944,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.35668904417944,"endHours":9.35668904417944,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.35668904417944,"endHours":10.35668904417944,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.35668904417944,"endHours":11.35668904417944,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.35668904417944,"endHours":12.35668904417944,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.35668904417944,"endHours":13.35668904417944,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.35668904417944,"endHours":14.35668904417944,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.35668904417944,"endHours":15.35668904417944,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.35668904417944,"endHours":16.35668904417944,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.35668904417944,"endHours":17.35668904417944,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.35668904417944,"endHours":18.35668904417944,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.35668904417944,"endHours":19.35668904417944,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.35668904417944,"endHours":20.35668904417944,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.35668904417944,"endHours":21.35668904417944,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.35668904417944,"endHours":22.35668904417944,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.35668904417944,"endHours":23.35668904417944,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.35668904417944,"endHours":24.35668904417944,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.35668904417944,"endHours":25.35668904417944,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.35668904417944,"endHours":26.35668904417944,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.35668904417944,"endHours":27.35668904417944,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.35668904417944,"endHours":28.35668904417944,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.35668904417944,"endHours":29.35668904417944,"planetary_lord":"Sun"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.61091950641893,"eotMinutes":3.6891821904695723,"ayanamsa":24.9479}},"calendars":{"vikram_samvat":2135,"vikram_samvatsara":"Virodhakṛt","saka_samvat":2000,"saka_samvatsara":"Vilambī","bengali_samvat":1485,"malayalam_era":1254,"nanakshahi_year":609,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Saptamī · Vikram 2135 Virodhakṛt · Śaka 2000 Vilambī"},"festivals":[{"id":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 May 18, 2078 CE · Ṛṣikeśa · Vidhyamitra","description":"May 18, 2078 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:21, sūryāsta 19:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2078-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2078-05-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2078-05-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2078-05-18","x-default":"https://vidhyamitra.com/city/rishikesh/2078-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:21:33.342Z","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":"2026-06-01T15:21:33.342Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:21:33.342Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}