{"id":"vidhyamitra:city-day:rishikesh:2008-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2008-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2008-05-15","date_display":"May 15, 2008 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":2008,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454601.770833,"kali_year":5110,"ahargana":1866136.2708,"sun":{"sidereal_longitude":30.5792,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":152.348,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.7688,"elapsed_within_tithi_degrees":1.7688},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.348,"elapsed_within_degrees":5.6814},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.9273},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2008,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454601.770833,"ahargana":1866136.2708,"kali_year":5110,"ayanamsa_lahiri":23.9699,"grahas":{"sun":{"sidereal_longitude":30.617818999999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":154.52091900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-2.1956},"mars":{"sidereal_longitude":98.73631899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":52.304619,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":268.97281899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":23.749218999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":127.630019,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":303.1199,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":123.1199,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2008,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454601.770833,"kali_year":5110,"ahargana":1866136.2708,"sun":{"sidereal_longitude":30.5792,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":152.348,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.7688,"elapsed_within_tithi_degrees":1.7688},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.348,"elapsed_within_degrees":5.6814},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.9273},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.196,"elongation":121.769},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.196,"opposition_distance":58.231}},"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":"05:23","sunsetLocal":"19:03","solarNoonLocal":"12:13","dayLengthHours":13.665468549534491,"dayLengthDisplay":"13 Hours 39 Mins 56 Secs","nightLengthDisplay":"10 Hours 20 Mins 04 Secs","moonriseLocal":"14:25","moonsetLocal":"02:33","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:38","startHours":13.927740219759713,"endHours":15.635923788451521,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:23","end":"07:06","startHours":5.386822376300654,"endHours":7.095005944992465,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:48","end":"10:31","startHours":8.803189513684277,"endHours":10.511373082376089,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:02","startHours":8.575431704525368,"endHours":9.030947322843186,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:19","startHours":5.9562168991979245,"endHours":6.320629393852178,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.764041032750082,"endHours":12.675072269385716,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:29","startHours":3.5647599030293886,"endHours":4.475791139665022,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:23","startHours":4.248033330506113,"endHours":5.386822376300654,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:24","startHours":14.497134742656982,"endHours":15.408165979292615,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.852290925835145,"endHours":19.252290925835144,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:37","startHours":19.052290925835145,"endHours":19.621685448732414,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.802290925835145,"endHours":20.552290925835145,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.764041032750082,"endHours":24.675072269385712,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:23","end":"07:06","startHours":5.386822376300654,"endHours":7.095005944992465,"quality":"auspicious"},{"name":"Roga","start":"07:06","end":"08:48","startHours":7.095005944992465,"endHours":8.803189513684277,"quality":"inauspicious"},{"name":"Udveg","start":"08:48","end":"10:31","startHours":8.803189513684277,"endHours":10.511373082376089,"quality":"inauspicious"},{"name":"Chala","start":"10:31","end":"12:13","startHours":10.511373082376089,"endHours":12.2195566510679,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:56","startHours":12.2195566510679,"endHours":13.927740219759713,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:38","startHours":13.927740219759713,"endHours":15.635923788451521,"quality":"auspicious"},{"name":"Kāla","start":"15:38","end":"17:21","startHours":15.635923788451521,"endHours":17.344107357143333,"quality":"inauspicious"},{"name":"Śubha","start":"17:21","end":"19:03","startHours":17.344107357143333,"endHours":19.052290925835145,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:03","end":"20:21","startHours":19.052290925835145,"endHours":20.344107357143333,"quality":"auspicious"},{"name":"Kāla","start":"20:21","end":"21:38","startHours":20.344107357143333,"endHours":21.63592378845152,"quality":"inauspicious"},{"name":"Śubha","start":"21:38","end":"22:56","startHours":21.63592378845152,"endHours":22.92774021975971,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:13","startHours":22.92774021975971,"endHours":24.219556651067897,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:31","startHours":24.219556651067897,"endHours":25.51137308237609,"quality":"inauspicious"},{"name":"Chala","start":"01:31","end":"02:48","startHours":25.51137308237609,"endHours":26.803189513684277,"quality":"neutral"},{"name":"Labha","start":"02:48","end":"04:06","startHours":26.803189513684277,"endHours":28.095005944992465,"quality":"auspicious"},{"name":"Amṛta","start":"04:06","end":"05:23","startHours":28.095005944992465,"endHours":29.386822376300653,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.386822376300654,"endHours":6.386822376300654,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.386822376300654,"endHours":7.386822376300654,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.386822376300654,"endHours":8.386822376300653,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.386822376300653,"endHours":9.386822376300653,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.386822376300653,"endHours":10.386822376300653,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.386822376300653,"endHours":11.386822376300653,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.386822376300653,"endHours":12.386822376300653,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.386822376300653,"endHours":13.386822376300653,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.386822376300653,"endHours":14.386822376300653,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.386822376300653,"endHours":15.386822376300653,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.386822376300653,"endHours":16.386822376300653,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.386822376300653,"endHours":17.386822376300653,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.386822376300653,"endHours":18.386822376300653,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.386822376300653,"endHours":19.386822376300653,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.386822376300653,"endHours":20.386822376300653,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.386822376300653,"endHours":21.386822376300653,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.386822376300653,"endHours":22.386822376300653,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.386822376300653,"endHours":23.386822376300653,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.386822376300653,"endHours":24.386822376300653,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.386822376300653,"endHours":25.386822376300653,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.386822376300653,"endHours":26.386822376300653,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.386822376300653,"endHours":27.386822376300653,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.386822376300653,"endHours":28.386822376300653,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.386822376300653,"endHours":29.386822376300653,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.914291414793357,"eotMinutes":3.7562009359260493,"ayanamsa":23.9699}},"calendars":{"vikram_samvat":2065,"vikram_samvatsara":"Plava","saka_samvat":1930,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1415,"malayalam_era":1184,"nanakshahi_year":539,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Ekādaśī · Vikram 2065 Plava · Śaka 1930 Sarvadhāri"},"festivals":[{"id":"nirjala-ekadashi","name":"Nirjalā Ekādaśī","name_sanskrit":"निर्जला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Strictest Ekādaśī (no water for 24 hours); Bhīma's vrata. Confers fruit of all 24 Ekādaśīs.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":1,"sources":["Mahābhārata, Anuśāsana Parva"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 15, 2008 CE · Ṛṣikeśa · Vidhyamitra","description":"May 15, 2008 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 05:23, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2008-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2008-05-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/2008-05-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/2008-05-15","x-default":"https://vidhyamitra.com/city/rishikesh/2008-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T02:37:22.145Z","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":"2026-05-17T02:37:22.146Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T02:37:22.146Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}