{"id":"vidhyamitra:city-day:rishikesh:1958-06-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1958-06-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-06-13","date_display":"June 13, 1958 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":1958,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436367.770833,"kali_year":5060,"ahargana":1847902.2708,"sun":{"sidereal_longitude":58.1493,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":7.8976,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":309.7483,"elapsed_within_tithi_degrees":9.7483},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.8976,"elapsed_within_degrees":7.8976},"yoga":{"number":5,"name":"Śobhana","sum_longitude":66.0469},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1958,"month":6,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436367.770833,"ahargana":1847902.2708,"kali_year":5060,"ayanamsa_lahiri":23.2725,"grahas":{"sun":{"sidereal_longitude":58.25989199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":9.138092000000029,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":0.1057},"mars":{"sidereal_longitude":341.419092,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":51.81219199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":178.92679199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":21.02829200000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":239.726092,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":189.245,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":9.245,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1958,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436367.770833,"kali_year":5060,"ahargana":1847902.2708,"sun":{"sidereal_longitude":58.1493,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":7.8976,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":309.7483,"elapsed_within_tithi_degrees":9.7483},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.8976,"elapsed_within_degrees":7.8976},"yoga":{"number":5,"name":"Śobhana","sum_longitude":66.0469},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.106,"elongation":50.252},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.106,"opposition_distance":129.748}},"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":"05:15","sunsetLocal":"19:18","solarNoonLocal":"12:17","dayLengthHours":14.05834922522764,"dayLengthDisplay":"14 Hours 03 Mins 30 Secs","nightLengthDisplay":"9 Hours 56 Mins 30 Secs","moonriseLocal":"02:28","moonsetLocal":"15:32","rahuKala":{"name":"Rāhu Kāla","start":"10:31","end":"12:17","startHours":10.521280020203196,"endHours":12.278573673356654,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:48","end":"17:33","startHours":15.793160979663561,"endHours":17.55045463281702,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:00","end":"08:46","startHours":7.006692713896287,"endHours":8.763986367049743,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.529680546629283,"endHours":8.998292187470204,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:13","startHours":5.835163611793984,"endHours":6.210052924466721,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:45","startHours":11.809962032515731,"endHours":12.747185314197573,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:19","startHours":3.374952497379147,"endHours":4.31217577906099,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:15","startHours":4.0778699586405285,"endHours":5.2493990607428325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:34","startHours":14.62163187756126,"endHours":15.558855159243103,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:06","end":"19:30","startHours":19.107748285970473,"endHours":19.50774828597047,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:18","end":"19:54","startHours":19.307748285970472,"endHours":19.893512837021625,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:03","end":"20:48","startHours":19.057748285970472,"endHours":20.807748285970472,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:45","startHours":23.80996203251573,"endHours":24.747185314197576,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:15","end":"07:00","startHours":5.2493990607428325,"endHours":7.006692713896287,"quality":"neutral"},{"name":"Labha","start":"07:00","end":"08:46","startHours":7.006692713896287,"endHours":8.763986367049743,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:31","startHours":8.763986367049743,"endHours":10.521280020203196,"quality":"auspicious"},{"name":"Kāla","start":"10:31","end":"12:17","startHours":10.521280020203196,"endHours":12.278573673356654,"quality":"inauspicious"},{"name":"Śubha","start":"12:17","end":"14:02","startHours":12.278573673356654,"endHours":14.035867326510107,"quality":"auspicious"},{"name":"Roga","start":"14:02","end":"15:48","startHours":14.035867326510107,"endHours":15.793160979663561,"quality":"inauspicious"},{"name":"Udveg","start":"15:48","end":"17:33","startHours":15.793160979663561,"endHours":17.55045463281702,"quality":"inauspicious"},{"name":"Chala","start":"17:33","end":"19:18","startHours":17.55045463281702,"endHours":19.307748285970472,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:18","end":"20:33","startHours":19.307748285970472,"endHours":20.55045463281702,"quality":"inauspicious"},{"name":"Udveg","start":"20:33","end":"21:48","startHours":20.55045463281702,"endHours":21.79316097966356,"quality":"inauspicious"},{"name":"Chala","start":"21:48","end":"23:02","startHours":21.79316097966356,"endHours":23.035867326510107,"quality":"neutral"},{"name":"Labha","start":"23:02","end":"00:17","startHours":23.035867326510107,"endHours":24.278573673356654,"quality":"auspicious"},{"name":"Amṛta","start":"00:17","end":"01:31","startHours":24.278573673356654,"endHours":25.521280020203196,"quality":"auspicious"},{"name":"Kāla","start":"01:31","end":"02:46","startHours":25.521280020203196,"endHours":26.763986367049743,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:00","startHours":26.763986367049743,"endHours":28.006692713896285,"quality":"auspicious"},{"name":"Roga","start":"04:00","end":"05:15","startHours":28.006692713896285,"endHours":29.24939906074283,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.2493990607428325,"endHours":6.2493990607428325,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.2493990607428325,"endHours":7.2493990607428325,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.2493990607428325,"endHours":8.249399060742832,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.249399060742832,"endHours":9.249399060742832,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.249399060742832,"endHours":10.249399060742832,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.249399060742832,"endHours":11.249399060742832,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.249399060742832,"endHours":12.249399060742832,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.249399060742832,"endHours":13.249399060742832,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.249399060742832,"endHours":14.249399060742832,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.249399060742832,"endHours":15.249399060742832,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.249399060742832,"endHours":16.24939906074283,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.24939906074283,"endHours":17.24939906074283,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.24939906074283,"endHours":18.24939906074283,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.24939906074283,"endHours":19.24939906074283,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.24939906074283,"endHours":20.24939906074283,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.24939906074283,"endHours":21.24939906074283,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.24939906074283,"endHours":22.24939906074283,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.24939906074283,"endHours":23.24939906074283,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.24939906074283,"endHours":24.24939906074283,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.24939906074283,"endHours":25.24939906074283,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.24939906074283,"endHours":26.24939906074283,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.24939906074283,"endHours":27.24939906074283,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.24939906074283,"endHours":28.24939906074283,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.24939906074283,"endHours":29.24939906074283,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.166029427443846,"eotMinutes":0.2151795986009022,"ayanamsa":23.2725}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ekādaśī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"id":"apara-ekadashi","name":"Aparā Ekādaśī","name_sanskrit":"अपरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Boundless (aparā) merit; removes brahma-hatyā even.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"yogini-ekadashi","name":"Yoginī Ekādaśī","name_sanskrit":"योगिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes the curse of Kubera; equivalent to feeding 88,000 brāhmaṇas.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"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":"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 June 13, 1958 CE · Ṛṣikeśa · Vidhyamitra","description":"June 13, 1958 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 05:15, sūryāsta 19:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1958-06-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1958-06-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1958-06-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1958-06-13","x-default":"https://vidhyamitra.com/city/rishikesh/1958-06-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T03:39:42.289Z","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":"2026-05-20T03:39:42.289Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T03:39:42.289Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}