{"id":"vidhyamitra:city-day:rishikesh:1985-05-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1985-05-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-05-11","date_display":"May 11, 1985 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":1985,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446196.770833,"kali_year":5087,"ahargana":1857731.2708,"sun":{"sidereal_longitude":26.6956,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":285.956,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.2604,"elapsed_within_tithi_degrees":7.2604},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.956,"elapsed_within_degrees":5.956},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.6516},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1985,"month":5,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446196.770833,"ahargana":1857731.2708,"kali_year":5087,"ayanamsa_lahiri":23.6485,"grahas":{"sun":{"sidereal_longitude":26.65545199999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":288.58395199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":-4.3931},"mars":{"sidereal_longitude":46.70975199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":2.0100519999999733,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":293.24475200000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":347.010652,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":211.198852,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":28.4572,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.4572,"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":1985,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446196.770833,"kali_year":5087,"ahargana":1857731.2708,"sun":{"sidereal_longitude":26.6956,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":285.956,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.2604,"elapsed_within_tithi_degrees":7.2604},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.956,"elapsed_within_degrees":5.956},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.6516},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.393,"elongation":100.74},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.393,"opposition_distance":79.26}},"eclipse_window_40days":[{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":0.744,"elongation":2.194}]},"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":"05:26","sunsetLocal":"19:00","solarNoonLocal":"12:13","dayLengthHours":13.568618390931995,"dayLengthDisplay":"13 Hours 34 Mins 07 Secs","nightLengthDisplay":"10 Hours 25 Mins 53 Secs","moonriseLocal":"00:19","moonsetLocal":"11:03","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:31","startHours":8.828138907868523,"endHours":10.524216206735023,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:37","startHours":13.91637080446802,"endHours":15.61244810333452,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:26","end":"07:08","startHours":5.435984310135524,"endHours":7.132061609002023,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:03","startHours":8.601995268019657,"endHours":9.054282547717388,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:00","end":"06:22","startHours":6.00134340975769,"endHours":6.363173233515877,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.768006225903788,"endHours":12.672580785299255,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:32","startHours":3.626835191344591,"endHours":4.531409750740058,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:26","startHours":4.305266110891191,"endHours":5.435984310135524,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.481729904090187,"endHours":15.386304463485654,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.80460270106752,"endHours":19.204602701067518,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":19.00460270106752,"endHours":19.569961800689686,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.75460270106752,"endHours":20.50460270106752,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.76800622590379,"endHours":24.672580785299253,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:26","end":"07:08","startHours":5.435984310135524,"endHours":7.132061609002023,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:50","startHours":7.132061609002023,"endHours":8.828138907868523,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:31","startHours":8.828138907868523,"endHours":10.524216206735023,"quality":"inauspicious"},{"name":"Udveg","start":"10:31","end":"12:13","startHours":10.524216206735023,"endHours":12.220293505601521,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:55","startHours":12.220293505601521,"endHours":13.91637080446802,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:37","startHours":13.91637080446802,"endHours":15.61244810333452,"quality":"auspicious"},{"name":"Amṛta","start":"15:37","end":"17:19","startHours":15.61244810333452,"endHours":17.30852540220102,"quality":"auspicious"},{"name":"Kāla","start":"17:19","end":"19:00","startHours":17.30852540220102,"endHours":19.00460270106752,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:00","end":"20:19","startHours":19.00460270106752,"endHours":20.30852540220102,"quality":"auspicious"},{"name":"Amṛta","start":"20:19","end":"21:37","startHours":20.30852540220102,"endHours":21.612448103334522,"quality":"auspicious"},{"name":"Kāla","start":"21:37","end":"22:55","startHours":21.612448103334522,"endHours":22.91637080446802,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:13","startHours":22.91637080446802,"endHours":24.22029350560152,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:31","startHours":24.22029350560152,"endHours":25.524216206735023,"quality":"inauspicious"},{"name":"Udveg","start":"01:31","end":"02:50","startHours":25.524216206735023,"endHours":26.82813890786852,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:08","startHours":26.82813890786852,"endHours":28.132061609002022,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:26","startHours":28.132061609002022,"endHours":29.435984310135524,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.435984310135524,"endHours":6.435984310135524,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.435984310135524,"endHours":7.435984310135524,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.435984310135524,"endHours":8.435984310135524,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.435984310135524,"endHours":9.435984310135524,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.435984310135524,"endHours":10.435984310135524,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.435984310135524,"endHours":11.435984310135524,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.435984310135524,"endHours":12.435984310135524,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.435984310135524,"endHours":13.435984310135524,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.435984310135524,"endHours":14.435984310135524,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.435984310135524,"endHours":15.435984310135524,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.435984310135524,"endHours":16.435984310135524,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.435984310135524,"endHours":17.435984310135524,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.435984310135524,"endHours":18.435984310135524,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.435984310135524,"endHours":19.435984310135524,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.435984310135524,"endHours":20.435984310135524,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.435984310135524,"endHours":21.435984310135524,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.435984310135524,"endHours":22.435984310135524,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.435984310135524,"endHours":23.435984310135524,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.435984310135524,"endHours":24.435984310135524,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.435984310135524,"endHours":25.435984310135524,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.435984310135524,"endHours":26.435984310135524,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.435984310135524,"endHours":27.435984310135524,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.435984310135524,"endHours":28.435984310135524,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.435984310135524,"endHours":29.435984310135524,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.820304499391867,"eotMinutes":3.71198966390865,"ayanamsa":23.6485}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Saptamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"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":[]},"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 11, 1985 CE · Ṛṣikeśa · Vidhyamitra","description":"May 11, 1985 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 05:26, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1985-05-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1985-05-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/1985-05-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/1985-05-11","x-default":"https://vidhyamitra.com/city/rishikesh/1985-05-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T08:05:07.437Z","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":"2026-05-18T08:05:07.437Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T08:05:07.437Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}