{"id":"vidhyamitra:city-day:rishikesh:1958-06-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1958-06-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-06-21","date_display":"June 21, 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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436375.770833,"kali_year":5060,"ahargana":1847910.2708,"sun":{"sidereal_longitude":65.7315,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":112.0274,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.2959,"elapsed_within_tithi_degrees":10.2959},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.0274,"elapsed_within_degrees":5.3607},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.7589},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1958,"month":6,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436375.770833,"ahargana":1847910.2708,"kali_year":5060,"ayanamsa_lahiri":23.2728,"grahas":{"sun":{"sidereal_longitude":65.89828599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":112.10718600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":-4.3808},"mars":{"sidereal_longitude":347.04348600000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":69.34778599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":178.88788599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":30.36158599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":239.13848600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":188.8211,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":8.8211,"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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436375.770833,"kali_year":5060,"ahargana":1847910.2708,"sun":{"sidereal_longitude":65.7315,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":112.0274,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.2959,"elapsed_within_tithi_degrees":10.2959},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.0274,"elapsed_within_degrees":5.3607},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.7589},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.381,"elongation":46.296},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.381,"opposition_distance":133.704}},"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":"05:16","sunsetLocal":"19:21","solarNoonLocal":"12:18","dayLengthHours":14.08410251298399,"dayLengthDisplay":"14 Hours 05 Mins 03 Secs","nightLengthDisplay":"9 Hours 54 Mins 57 Secs","moonriseLocal":"08:42","moonsetLocal":"22:05","rahuKala":{"name":"Rāhu Kāla","start":"08:47","end":"10:33","startHours":8.785258383315398,"endHours":10.545771197438395,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:04","end":"15:50","startHours":14.066796825684392,"endHours":15.827309639807392,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:16","end":"07:01","startHours":5.2642327550694,"endHours":7.024745569192398,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"09:01","startHours":8.550523341432331,"endHours":9.019993425198464,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:14","startHours":5.851070359777066,"endHours":6.226646426789972,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:47","startHours":11.836813927795262,"endHours":12.775754095327528,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.386352420004868,"endHours":4.325292587537134,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:16","startHours":4.090557545654067,"endHours":5.2642327550694,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:36","startHours":14.65363443039206,"endHours":15.592574597924326,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.14833526805339,"endHours":19.54833526805339,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.34833526805339,"endHours":19.935172872761058,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.09833526805339,"endHours":20.84833526805339,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:47","startHours":23.836813927795262,"endHours":24.775754095327528,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:16","end":"07:01","startHours":5.2642327550694,"endHours":7.024745569192398,"quality":"inauspicious"},{"name":"Śubha","start":"07:01","end":"08:47","startHours":7.024745569192398,"endHours":8.785258383315398,"quality":"auspicious"},{"name":"Roga","start":"08:47","end":"10:33","startHours":8.785258383315398,"endHours":10.545771197438395,"quality":"inauspicious"},{"name":"Udveg","start":"10:33","end":"12:18","startHours":10.545771197438395,"endHours":12.306284011561395,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"14:04","startHours":12.306284011561395,"endHours":14.066796825684392,"quality":"neutral"},{"name":"Labha","start":"14:04","end":"15:50","startHours":14.066796825684392,"endHours":15.827309639807392,"quality":"auspicious"},{"name":"Amṛta","start":"15:50","end":"17:35","startHours":15.827309639807392,"endHours":17.58782245393039,"quality":"auspicious"},{"name":"Kāla","start":"17:35","end":"19:21","startHours":17.58782245393039,"endHours":19.34833526805339,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:21","end":"20:35","startHours":19.34833526805339,"endHours":20.587822453930393,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"21:50","startHours":20.587822453930393,"endHours":21.827309639807392,"quality":"auspicious"},{"name":"Kāla","start":"21:50","end":"23:04","startHours":21.827309639807392,"endHours":23.066796825684392,"quality":"inauspicious"},{"name":"Śubha","start":"23:04","end":"00:18","startHours":23.066796825684392,"endHours":24.306284011561395,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:33","startHours":24.306284011561395,"endHours":25.5457711974384,"quality":"inauspicious"},{"name":"Udveg","start":"01:33","end":"02:47","startHours":25.5457711974384,"endHours":26.785258383315398,"quality":"inauspicious"},{"name":"Chala","start":"02:47","end":"04:01","startHours":26.785258383315398,"endHours":28.024745569192397,"quality":"neutral"},{"name":"Labha","start":"04:01","end":"05:16","startHours":28.024745569192397,"endHours":29.2642327550694,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.2642327550694,"endHours":6.2642327550694,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.2642327550694,"endHours":7.2642327550694,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.2642327550694,"endHours":8.2642327550694,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.2642327550694,"endHours":9.2642327550694,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.2642327550694,"endHours":10.2642327550694,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.2642327550694,"endHours":11.2642327550694,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.2642327550694,"endHours":12.2642327550694,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.2642327550694,"endHours":13.2642327550694,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.2642327550694,"endHours":14.2642327550694,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.2642327550694,"endHours":15.2642327550694,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.2642327550694,"endHours":16.2642327550694,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.2642327550694,"endHours":17.2642327550694,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.2642327550694,"endHours":18.2642327550694,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.2642327550694,"endHours":19.2642327550694,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.2642327550694,"endHours":20.2642327550694,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.2642327550694,"endHours":21.2642327550694,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.2642327550694,"endHours":22.2642327550694,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.2642327550694,"endHours":23.2642327550694,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.2642327550694,"endHours":24.2642327550694,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.2642327550694,"endHours":25.2642327550694,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.2642327550694,"endHours":26.2642327550694,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.2642327550694,"endHours":27.2642327550694,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.2642327550694,"endHours":28.2642327550694,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.2642327550694,"endHours":29.2642327550694,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.433900805614083,"eotMinutes":-1.4474406936836473,"ayanamsa":23.2728}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Caturthī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 June 21, 1958 CE · Ṛṣikeśa · Vidhyamitra","description":"June 21, 1958 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 05:16, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1958-06-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1958-06-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1958-06-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1958-06-21","x-default":"https://vidhyamitra.com/city/rishikesh/1958-06-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:00:05.130Z","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":"2026-05-31T21:00:05.130Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:00:05.130Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}