{"id":"vidhyamitra:city-day:rishikesh:1985-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1985-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-07-13","date_display":"July 13, 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":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446259.770833,"kali_year":5087,"ahargana":1857794.2708,"sun":{"sidereal_longitude":86.571,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":28.6012,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.0303,"elapsed_within_tithi_degrees":2.0303},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":28.6012,"elapsed_within_degrees":1.9346},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.1722},"karana":{"half_tithi_index":50,"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":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446259.770833,"ahargana":1857794.2708,"kali_year":5087,"ayanamsa_lahiri":23.6509,"grahas":{"sun":{"sidereal_longitude":86.953145,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":29.702045,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":0.273},"mars":{"sidereal_longitude":88.72234500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":113.74764500000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":291.99294499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":43.771645000000035,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":207.60844499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":25.1192,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.1192,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446259.770833,"kali_year":5087,"ahargana":1857794.2708,"sun":{"sidereal_longitude":86.571,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":28.6012,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.0303,"elapsed_within_tithi_degrees":2.0303},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":28.6012,"elapsed_within_degrees":1.9346},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.1722},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.273,"elongation":57.97},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.273,"opposition_distance":122.03}},"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":"05:24","sunsetLocal":"19:20","solarNoonLocal":"12:22","dayLengthHours":13.934321756085701,"dayLengthDisplay":"13 Hours 56 Mins 04 Secs","nightLengthDisplay":"10 Hours 03 Mins 56 Secs","moonriseLocal":"01:45","moonsetLocal":"15:21","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:38","startHours":8.887936708414587,"endHours":10.6297269279253,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:51","startHours":14.113307366946724,"endHours":15.855097586457438,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:24","end":"07:09","startHours":5.404356269393162,"endHours":7.146146488903875,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.655698012479824,"endHours":9.120175404349348,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:21","startHours":5.9849530092300665,"endHours":6.356534922725685,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:50","startHours":11.907039755566489,"endHours":12.835994539305537,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:29","startHours":3.5464467019150687,"endHours":4.475401485654115,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:24","startHours":4.243162789719354,"endHours":5.404356269393162,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.693904106783629,"endHours":15.622858890522675,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.138678025478864,"endHours":19.538678025478863,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:55","startHours":19.338678025478863,"endHours":19.919274765315766,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.088678025478863,"endHours":20.838678025478863,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:50","startHours":23.90703975556649,"endHours":24.835994539305535,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:24","end":"07:09","startHours":5.404356269393162,"endHours":7.146146488903875,"quality":"inauspicious"},{"name":"Śubha","start":"07:09","end":"08:53","startHours":7.146146488903875,"endHours":8.887936708414587,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:38","startHours":8.887936708414587,"endHours":10.6297269279253,"quality":"inauspicious"},{"name":"Udveg","start":"10:38","end":"12:22","startHours":10.6297269279253,"endHours":12.371517147436013,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:07","startHours":12.371517147436013,"endHours":14.113307366946724,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:51","startHours":14.113307366946724,"endHours":15.855097586457438,"quality":"auspicious"},{"name":"Amṛta","start":"15:51","end":"17:36","startHours":15.855097586457438,"endHours":17.59688780596815,"quality":"auspicious"},{"name":"Kāla","start":"17:36","end":"19:20","startHours":17.59688780596815,"endHours":19.338678025478863,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:20","end":"20:36","startHours":19.338678025478863,"endHours":20.59688780596815,"quality":"auspicious"},{"name":"Amṛta","start":"20:36","end":"21:51","startHours":20.59688780596815,"endHours":21.85509758645744,"quality":"auspicious"},{"name":"Kāla","start":"21:51","end":"23:07","startHours":21.85509758645744,"endHours":23.113307366946724,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:22","startHours":23.113307366946724,"endHours":24.371517147436013,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:38","startHours":24.371517147436013,"endHours":25.6297269279253,"quality":"inauspicious"},{"name":"Udveg","start":"01:38","end":"02:53","startHours":25.6297269279253,"endHours":26.887936708414585,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:09","startHours":26.887936708414585,"endHours":28.146146488903874,"quality":"neutral"},{"name":"Labha","start":"04:09","end":"05:24","startHours":28.146146488903874,"endHours":29.404356269393162,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.404356269393162,"endHours":6.404356269393162,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.404356269393162,"endHours":7.404356269393162,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.404356269393162,"endHours":8.404356269393162,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.404356269393162,"endHours":9.404356269393162,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.404356269393162,"endHours":10.404356269393162,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.404356269393162,"endHours":11.404356269393162,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.404356269393162,"endHours":12.404356269393162,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.404356269393162,"endHours":13.404356269393162,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.404356269393162,"endHours":14.404356269393162,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.404356269393162,"endHours":15.404356269393162,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.404356269393162,"endHours":16.404356269393162,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.404356269393162,"endHours":17.404356269393162,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.404356269393162,"endHours":18.404356269393162,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.404356269393162,"endHours":19.404356269393162,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.404356269393162,"endHours":20.404356269393162,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.404356269393162,"endHours":21.404356269393162,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.404356269393162,"endHours":22.404356269393162,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.404356269393162,"endHours":23.404356269393162,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.404356269393162,"endHours":24.404356269393162,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.404356269393162,"endHours":25.404356269393162,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.404356269393162,"endHours":26.404356269393162,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.404356269393162,"endHours":27.404356269393162,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.404356269393162,"endHours":28.404356269393162,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.404356269393162,"endHours":29.404356269393162,"planetary_lord":"Mercury"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.85700236018558,"eotMinutes":-5.361428846160681,"ayanamsa":23.6509}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Ekādaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"kamika-ekadashi","name":"Kāmikā Ekādaśī","name_sanskrit":"कामिका एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"First Ekādaśī of Cāturmāsya; equivalent to gift of cow + svarṇa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āṣāḍha"},"precedence":4},{"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":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 July 13, 1985 CE · Ṛṣikeśa · Vidhyamitra","description":"July 13, 1985 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 05:24, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1985-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1985-07-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1985-07-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1985-07-13","x-default":"https://vidhyamitra.com/city/rishikesh/1985-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T03:42:55.292Z","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":"2026-05-18T03:42:55.292Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T03:42:55.292Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}