{"id":"vidhyamitra:city-day:rishikesh:1975-06-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1975-06-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-06-21","date_display":"June 21, 1975 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":1975,"month":6,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442584.770833,"kali_year":5077,"ahargana":1854119.2708,"sun":{"sidereal_longitude":65.3537,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":213.5563,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2026,"elapsed_within_tithi_degrees":4.2026},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":213.5563,"elapsed_within_degrees":0.2229},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.91},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1975,"month":6,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442584.770833,"ahargana":1854119.2708,"kali_year":5077,"ayanamsa_lahiri":23.5103,"grahas":{"sun":{"sidereal_longitude":65.558157,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":212.90325699999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-0.4919},"mars":{"sidereal_longitude":359.536057,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":51.731156999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":356.731357,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":111.23765700000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":85.922957,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":219.8384,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.8384,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"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":1975,"month":6,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442584.770833,"kali_year":5077,"ahargana":1854119.2708,"sun":{"sidereal_longitude":65.3537,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":213.5563,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2026,"elapsed_within_tithi_degrees":4.2026},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":213.5563,"elapsed_within_degrees":0.2229},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.91},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.492,"elongation":148.203},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.492,"opposition_distance":31.797}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":-1.304,"elongation":2.361}]},"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":14.084036639509783,"dayLengthDisplay":"14 Hours 05 Mins 03 Secs","nightLengthDisplay":"9 Hours 54 Mins 57 Secs","moonriseLocal":"16:52","moonsetLocal":"03:24","rahuKala":{"name":"Rāhu Kāla","start":"08:47","end":"10:33","startHours":8.785274851683948,"endHours":10.545779431622671,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:04","end":"15:50","startHours":14.066788591500117,"endHours":15.82729317143884,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:16","end":"07:01","startHours":5.264265691806503,"endHours":7.024770271745226,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"09:01","startHours":8.550540907692119,"endHours":9.020008795675778,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:14","startHours":5.851100551786077,"endHours":6.226674862173004,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:47","startHours":11.836816123577735,"endHours":12.775751899545055,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.386394139871865,"endHours":4.325329915839184,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:16","startHours":4.090595971847354,"endHours":5.264265691806503,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:36","startHours":14.653623451479692,"endHours":15.592559227447012,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.148302331316287,"endHours":19.548302331316286,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.348302331316287,"endHours":19.935137191295862,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.098302331316287,"endHours":20.848302331316287,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:47","startHours":23.836816123577737,"endHours":24.775751899545053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:16","end":"07:01","startHours":5.264265691806503,"endHours":7.024770271745226,"quality":"inauspicious"},{"name":"Śubha","start":"07:01","end":"08:47","startHours":7.024770271745226,"endHours":8.785274851683948,"quality":"auspicious"},{"name":"Roga","start":"08:47","end":"10:33","startHours":8.785274851683948,"endHours":10.545779431622671,"quality":"inauspicious"},{"name":"Udveg","start":"10:33","end":"12:18","startHours":10.545779431622671,"endHours":12.306284011561395,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"14:04","startHours":12.306284011561395,"endHours":14.066788591500117,"quality":"neutral"},{"name":"Labha","start":"14:04","end":"15:50","startHours":14.066788591500117,"endHours":15.82729317143884,"quality":"auspicious"},{"name":"Amṛta","start":"15:50","end":"17:35","startHours":15.82729317143884,"endHours":17.587797751377565,"quality":"auspicious"},{"name":"Kāla","start":"17:35","end":"19:21","startHours":17.587797751377565,"endHours":19.348302331316287,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:21","end":"20:35","startHours":19.348302331316287,"endHours":20.587797751377565,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"21:50","startHours":20.587797751377565,"endHours":21.82729317143884,"quality":"auspicious"},{"name":"Kāla","start":"21:50","end":"23:04","startHours":21.82729317143884,"endHours":23.066788591500117,"quality":"inauspicious"},{"name":"Śubha","start":"23:04","end":"00:18","startHours":23.066788591500117,"endHours":24.306284011561395,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:33","startHours":24.306284011561395,"endHours":25.545779431622673,"quality":"inauspicious"},{"name":"Udveg","start":"01:33","end":"02:47","startHours":25.545779431622673,"endHours":26.78527485168395,"quality":"inauspicious"},{"name":"Chala","start":"02:47","end":"04:01","startHours":26.78527485168395,"endHours":28.024770271745226,"quality":"neutral"},{"name":"Labha","start":"04:01","end":"05:16","startHours":28.024770271745226,"endHours":29.264265691806504,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.264265691806503,"endHours":6.264265691806503,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.264265691806503,"endHours":7.264265691806503,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.264265691806503,"endHours":8.264265691806504,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.264265691806504,"endHours":9.264265691806504,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.264265691806504,"endHours":10.264265691806504,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.264265691806504,"endHours":11.264265691806504,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.264265691806504,"endHours":12.264265691806504,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.264265691806504,"endHours":13.264265691806504,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.264265691806504,"endHours":14.264265691806504,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.264265691806504,"endHours":15.264265691806504,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.264265691806504,"endHours":16.264265691806504,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.264265691806504,"endHours":17.264265691806504,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.264265691806504,"endHours":18.264265691806504,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.264265691806504,"endHours":19.264265691806504,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.264265691806504,"endHours":20.264265691806504,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.264265691806504,"endHours":21.264265691806504,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.264265691806504,"endHours":22.264265691806504,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.264265691806504,"endHours":23.264265691806504,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.264265691806504,"endHours":24.264265691806504,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.264265691806504,"endHours":25.264265691806504,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.264265691806504,"endHours":26.264265691806504,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.264265691806504,"endHours":27.264265691806504,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.264265691806504,"endHours":28.264265691806504,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.264265691806504,"endHours":29.264265691806504,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.433217365650396,"eotMinutes":-1.4474406936836473,"ayanamsa":23.5103}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","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":"Jyeṣṭha Śukla Trayodaśī · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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, 1975 CE · Ṛṣikeśa · Vidhyamitra","description":"June 21, 1975 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 05:16, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1975-06-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1975-06-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1975-06-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1975-06-21","x-default":"https://vidhyamitra.com/city/rishikesh/1975-06-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:19:31.898Z","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":"2026-06-01T00:19:31.898Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:19:31.898Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}