{"id":"vidhyamitra:city-day:rishikesh:1971-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1971-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-08-22","date_display":"August 22, 1971 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":1971,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441185.770833,"kali_year":5073,"ahargana":1852720.2708,"sun":{"sidereal_longitude":124.2761,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.7215,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.4454,"elapsed_within_tithi_degrees":2.4454},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.7215,"elapsed_within_degrees":5.3881},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.9975},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1971,"month":8,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441185.770833,"ahargana":1852720.2708,"kali_year":5073,"ayanamsa_lahiri":23.4568,"grahas":{"sun":{"sidereal_longitude":124.85260900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":136.87960899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-1.8829},"mars":{"sidereal_longitude":290.956009,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":133.780709,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":215.07660899999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":123.68350899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":42.73900900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":293.9641,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":113.9641,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441185.770833,"kali_year":5073,"ahargana":1852720.2708,"sun":{"sidereal_longitude":124.2761,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.7215,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.4454,"elapsed_within_tithi_degrees":2.4454},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.7215,"elapsed_within_degrees":5.3881},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.9975},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.883,"elongation":14.445},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.883,"opposition_distance":165.555}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":-0.252,"opposition_distance":1.604},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-0.93,"elongation":2.643}]},"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":"05:47","sunsetLocal":"18:52","solarNoonLocal":"12:19","dayLengthHours":13.080520408445556,"dayLengthDisplay":"13 Hours 04 Mins 50 Secs","nightLengthDisplay":"10 Hours 55 Mins 10 Secs","moonriseLocal":"06:47","moonsetLocal":"19:28","rahuKala":{"name":"Rāhu Kāla","start":"17:14","end":"18:52","startHours":17.22964409089789,"endHours":18.864709141953583,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:58","startHours":12.324448937730804,"endHours":13.9595139887865,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:14","startHours":15.594579039842193,"endHours":17.22964409089789,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.836310162145322,"endHours":9.272327509093508,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.3292104171932575,"endHours":6.678024294751806,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:46","startHours":11.88843159078262,"endHours":12.76046628467899,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:55","startHours":4.0401193457152855,"endHours":4.912154039611655,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:47","startHours":4.694145366137564,"endHours":5.784188733508026,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:23","startHours":14.50453567247173,"endHours":15.376570366368101,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.664709141953583,"endHours":19.064709141953582,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:25","startHours":18.864709141953583,"endHours":19.409730825638814,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.614709141953583,"endHours":20.364709141953583,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:46","startHours":23.888431590782623,"endHours":24.76046628467899,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:47","end":"07:25","startHours":5.784188733508026,"endHours":7.419253784563721,"quality":"inauspicious"},{"name":"Chala","start":"07:25","end":"09:03","startHours":7.419253784563721,"endHours":9.054318835619416,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:41","startHours":9.054318835619416,"endHours":10.68938388667511,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:19","startHours":10.68938388667511,"endHours":12.324448937730804,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:58","startHours":12.324448937730804,"endHours":13.9595139887865,"quality":"inauspicious"},{"name":"Śubha","start":"13:58","end":"15:36","startHours":13.9595139887865,"endHours":15.594579039842193,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:14","startHours":15.594579039842193,"endHours":17.22964409089789,"quality":"inauspicious"},{"name":"Udveg","start":"17:14","end":"18:52","startHours":17.22964409089789,"endHours":18.864709141953583,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:52","end":"20:14","startHours":18.864709141953583,"endHours":20.22964409089789,"quality":"auspicious"},{"name":"Roga","start":"20:14","end":"21:36","startHours":20.22964409089789,"endHours":21.594579039842195,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"22:58","startHours":21.594579039842195,"endHours":22.959513988786497,"quality":"inauspicious"},{"name":"Chala","start":"22:58","end":"00:19","startHours":22.959513988786497,"endHours":24.324448937730804,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"01:41","startHours":24.324448937730804,"endHours":25.68938388667511,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:03","startHours":25.68938388667511,"endHours":27.054318835619416,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:25","startHours":27.054318835619416,"endHours":28.419253784563722,"quality":"inauspicious"},{"name":"Śubha","start":"04:25","end":"05:47","startHours":28.419253784563722,"endHours":29.784188733508024,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.784188733508026,"endHours":6.784188733508026,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.784188733508026,"endHours":7.784188733508026,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.784188733508026,"endHours":8.784188733508026,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.784188733508026,"endHours":9.784188733508026,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.784188733508026,"endHours":10.784188733508026,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.784188733508026,"endHours":11.784188733508026,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.784188733508026,"endHours":12.784188733508026,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.784188733508026,"endHours":13.784188733508026,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.784188733508026,"endHours":14.784188733508026,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.784188733508026,"endHours":15.784188733508026,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.784188733508026,"endHours":16.784188733508024,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.784188733508024,"endHours":17.784188733508024,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.784188733508024,"endHours":18.784188733508024,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.784188733508024,"endHours":19.784188733508024,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.784188733508024,"endHours":20.784188733508024,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.784188733508024,"endHours":21.784188733508024,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.784188733508024,"endHours":22.784188733508024,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.784188733508024,"endHours":23.784188733508024,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.784188733508024,"endHours":24.784188733508024,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.784188733508024,"endHours":25.784188733508024,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.784188733508024,"endHours":26.784188733508024,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.784188733508024,"endHours":27.784188733508024,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.784188733508024,"endHours":28.784188733508024,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.784188733508024,"endHours":29.784188733508024,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.060332154697585,"eotMinutes":-2.537336263848294,"ayanamsa":23.4568}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 August 22, 1971 CE · Ṛṣikeśa · Vidhyamitra","description":"August 22, 1971 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 05:47, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1971-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1971-08-22","sa":"https://sa.vidhyamitra.com/city/rishikesh/1971-08-22","hi":"https://hi.vidhyamitra.com/city/rishikesh/1971-08-22","x-default":"https://vidhyamitra.com/city/rishikesh/1971-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T17:37:25.547Z","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":"2026-05-19T17:37:25.547Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T17:37:25.547Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}