{"id":"vidhyamitra:city-day:rishikesh:2006-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2006-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2006-05-18","date_display":"May 18, 2006 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":2006,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453873.770833,"kali_year":5108,"ahargana":1865408.2708,"sun":{"sidereal_longitude":32.9903,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":272.7066,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.7164,"elapsed_within_tithi_degrees":11.7164},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":272.7066,"elapsed_within_degrees":6.04},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.6969},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":2006,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453873.770833,"ahargana":1865408.2708,"kali_year":5108,"ayanamsa_lahiri":23.9421,"grahas":{"sun":{"sidereal_longitude":33.039034000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":272.35763399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-4.2002},"mars":{"sidereal_longitude":85.94823400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":31.864734,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":199.03513399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":352.658434,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":101.84013400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":341.6928,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":161.6928,"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":2006,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453873.770833,"kali_year":5108,"ahargana":1865408.2708,"sun":{"sidereal_longitude":32.9903,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":272.7066,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.7164,"elapsed_within_tithi_degrees":11.7164},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":272.7066,"elapsed_within_degrees":6.04},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.6969},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.2,"elongation":120.284},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.2,"opposition_distance":59.716}},"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":"05:22","sunsetLocal":"19:05","solarNoonLocal":"12:13","dayLengthHours":13.716267076504234,"dayLengthDisplay":"13 Hours 42 Mins 59 Secs","nightLengthDisplay":"10 Hours 17 Mins 01 Secs","moonriseLocal":"22:59","moonsetLocal":"09:22","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:39","startHours":13.93520701472187,"endHours":15.649740399284898,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:22","end":"07:05","startHours":5.362540091906723,"endHours":7.077073476469753,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:47","end":"10:30","startHours":8.791606861032783,"endHours":10.50614024559581,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:01","startHours":8.563002409757711,"endHours":9.020211312307852,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:18","startHours":5.9340512200944,"endHours":6.299818342134513,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.7634647276087,"endHours":12.677882532708981,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:32","end":"04:27","startHours":3.5337044817061587,"endHours":4.448122286806441,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:22","startHours":4.21951783553137,"endHours":5.362540091906723,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:25","startHours":14.506718142909545,"endHours":15.421135948009827,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:53","end":"19:17","startHours":18.878807168410958,"endHours":19.278807168410957,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:05","end":"19:39","startHours":19.078807168410957,"endHours":19.650318296598634,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:50","end":"20:35","startHours":18.828807168410957,"endHours":20.578807168410957,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.7634647276087,"endHours":24.677882532708985,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:22","end":"07:05","startHours":5.362540091906723,"endHours":7.077073476469753,"quality":"auspicious"},{"name":"Roga","start":"07:05","end":"08:47","startHours":7.077073476469753,"endHours":8.791606861032783,"quality":"inauspicious"},{"name":"Udveg","start":"08:47","end":"10:30","startHours":8.791606861032783,"endHours":10.50614024559581,"quality":"inauspicious"},{"name":"Chala","start":"10:30","end":"12:13","startHours":10.50614024559581,"endHours":12.22067363015884,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:56","startHours":12.22067363015884,"endHours":13.93520701472187,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:39","startHours":13.93520701472187,"endHours":15.649740399284898,"quality":"auspicious"},{"name":"Kāla","start":"15:39","end":"17:22","startHours":15.649740399284898,"endHours":17.364273783847928,"quality":"inauspicious"},{"name":"Śubha","start":"17:22","end":"19:05","startHours":17.364273783847928,"endHours":19.078807168410957,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:05","end":"20:22","startHours":19.078807168410957,"endHours":20.364273783847928,"quality":"auspicious"},{"name":"Kāla","start":"20:22","end":"21:39","startHours":20.364273783847928,"endHours":21.649740399284898,"quality":"inauspicious"},{"name":"Śubha","start":"21:39","end":"22:56","startHours":21.649740399284898,"endHours":22.93520701472187,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:13","startHours":22.93520701472187,"endHours":24.220673630158842,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:30","startHours":24.220673630158842,"endHours":25.50614024559581,"quality":"inauspicious"},{"name":"Chala","start":"01:30","end":"02:47","startHours":25.50614024559581,"endHours":26.791606861032783,"quality":"neutral"},{"name":"Labha","start":"02:47","end":"04:05","startHours":26.791606861032783,"endHours":28.077073476469753,"quality":"auspicious"},{"name":"Amṛta","start":"04:05","end":"05:22","startHours":28.077073476469753,"endHours":29.362540091906723,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.362540091906723,"endHours":6.362540091906723,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.362540091906723,"endHours":7.362540091906723,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.362540091906723,"endHours":8.362540091906723,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.362540091906723,"endHours":9.362540091906723,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.362540091906723,"endHours":10.362540091906723,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.362540091906723,"endHours":11.362540091906723,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.362540091906723,"endHours":12.362540091906723,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.362540091906723,"endHours":13.362540091906723,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.362540091906723,"endHours":14.362540091906723,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.362540091906723,"endHours":15.362540091906723,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.362540091906723,"endHours":16.362540091906723,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.362540091906723,"endHours":17.362540091906723,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.362540091906723,"endHours":18.362540091906723,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.362540091906723,"endHours":19.362540091906723,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.362540091906723,"endHours":20.362540091906723,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.362540091906723,"endHours":21.362540091906723,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.362540091906723,"endHours":22.362540091906723,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.362540091906723,"endHours":23.362540091906723,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.362540091906723,"endHours":24.362540091906723,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.362540091906723,"endHours":25.362540091906723,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.362540091906723,"endHours":26.362540091906723,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.362540091906723,"endHours":27.362540091906723,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.362540091906723,"endHours":28.362540091906723,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.362540091906723,"endHours":29.362540091906723,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","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":19.481055571846035,"eotMinutes":3.6891821904695723,"ayanamsa":23.9421}},"calendars":{"vikram_samvat":2063,"vikram_samvatsara":"Vikāri","saka_samvat":1928,"saka_samvatsara":"Vyaya","bengali_samvat":1413,"malayalam_era":1182,"nanakshahi_year":537,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Pañcamī · Vikram 2063 Vikāri · Śaka 1928 Vyaya"},"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":"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 18, 2006 CE · Ṛṣikeśa · Vidhyamitra","description":"May 18, 2006 CE for Ṛṣikeśa: Kṛṣṇa Pañcamī, sūryodaya 05:22, sūryāsta 19:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2006-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2006-05-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2006-05-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2006-05-18","x-default":"https://vidhyamitra.com/city/rishikesh/2006-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T12:27:28.277Z","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":"2026-05-17T12:27:28.277Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T12:27:28.277Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}