{"id":"vidhyamitra:city-day:rishikesh:1990-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1990-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-08-22","date_display":"August 22, 1990 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":1990,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448125.770833,"kali_year":5092,"ahargana":1859660.2708,"sun":{"sidereal_longitude":124.3562,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":145.1095,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.7532,"elapsed_within_tithi_degrees":8.7532},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.1095,"elapsed_within_degrees":11.7761},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.4657},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1990,"month":8,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448125.770833,"ahargana":1859660.2708,"kali_year":5092,"ayanamsa_lahiri":23.7222,"grahas":{"sun":{"sidereal_longitude":124.97935000000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":143.66375000000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":-2.8216},"mars":{"sidereal_longitude":31.406949999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":149.53945,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":97.06785000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":106.37284999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":265.6104499999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":286.2495,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":106.2495,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448125.770833,"kali_year":5092,"ahargana":1859660.2708,"sun":{"sidereal_longitude":124.3562,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":145.1095,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.7532,"elapsed_within_tithi_degrees":8.7532},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.1095,"elapsed_within_degrees":11.7761},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.4657},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.822,"elongation":20.753},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.822,"opposition_distance":159.247}},"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":"05:47","sunsetLocal":"18:52","solarNoonLocal":"12:19","dayLengthHours":13.069367335224381,"dayLengthDisplay":"13 Hours 04 Mins 10 Secs","nightLengthDisplay":"10 Hours 55 Mins 50 Secs","moonriseLocal":"07:20","moonsetLocal":"19:48","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:57","startHours":12.324448937730807,"endHours":13.958119854633853,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:25","end":"09:03","startHours":7.423436187021663,"endHours":9.05710710392471,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:19","startHours":10.690778020827757,"endHours":12.324448937730807,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.839284315004305,"endHours":9.274929892845117,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.334322242419631,"endHours":6.682838704692282,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:46","startHours":11.888803359889993,"endHours":12.760094515571618,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:55","startHours":4.047182958755364,"endHours":4.91847411443699,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:47","startHours":4.700651325516584,"endHours":5.7897652701186155,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:22","startHours":14.50267682693487,"endHours":15.373967982616495,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.659132605342997,"endHours":19.059132605342995,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:24","startHours":18.859132605342996,"endHours":19.403689577644013,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.609132605342996,"endHours":20.359132605342996,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:46","startHours":23.888803359889994,"endHours":24.76009451557162,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:47","end":"07:25","startHours":5.7897652701186155,"endHours":7.423436187021663,"quality":"auspicious"},{"name":"Amṛta","start":"07:25","end":"09:03","startHours":7.423436187021663,"endHours":9.05710710392471,"quality":"auspicious"},{"name":"Kāla","start":"09:03","end":"10:41","startHours":9.05710710392471,"endHours":10.690778020827757,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:19","startHours":10.690778020827757,"endHours":12.324448937730807,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:57","startHours":12.324448937730807,"endHours":13.958119854633853,"quality":"inauspicious"},{"name":"Udveg","start":"13:57","end":"15:36","startHours":13.958119854633853,"endHours":15.5917907715369,"quality":"inauspicious"},{"name":"Chala","start":"15:36","end":"17:14","startHours":15.5917907715369,"endHours":17.22546168843995,"quality":"neutral"},{"name":"Labha","start":"17:14","end":"18:52","startHours":17.22546168843995,"endHours":18.859132605342996,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:52","end":"20:14","startHours":18.859132605342996,"endHours":20.22546168843995,"quality":"inauspicious"},{"name":"Chala","start":"20:14","end":"21:36","startHours":20.22546168843995,"endHours":21.5917907715369,"quality":"neutral"},{"name":"Labha","start":"21:36","end":"22:57","startHours":21.5917907715369,"endHours":22.958119854633853,"quality":"auspicious"},{"name":"Amṛta","start":"22:57","end":"00:19","startHours":22.958119854633853,"endHours":24.324448937730807,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:41","startHours":24.324448937730807,"endHours":25.690778020827757,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"03:03","startHours":25.690778020827757,"endHours":27.05710710392471,"quality":"auspicious"},{"name":"Roga","start":"03:03","end":"04:25","startHours":27.05710710392471,"endHours":28.423436187021665,"quality":"inauspicious"},{"name":"Udveg","start":"04:25","end":"05:47","startHours":28.423436187021665,"endHours":29.789765270118615,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.7897652701186155,"endHours":6.7897652701186155,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.7897652701186155,"endHours":7.7897652701186155,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.7897652701186155,"endHours":8.789765270118615,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.789765270118615,"endHours":9.789765270118615,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.789765270118615,"endHours":10.789765270118615,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.789765270118615,"endHours":11.789765270118615,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.789765270118615,"endHours":12.789765270118615,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.789765270118615,"endHours":13.789765270118615,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.789765270118615,"endHours":14.789765270118615,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.789765270118615,"endHours":15.789765270118615,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.789765270118615,"endHours":16.789765270118615,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.789765270118615,"endHours":17.789765270118615,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.789765270118615,"endHours":18.789765270118615,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.789765270118615,"endHours":19.789765270118615,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.789765270118615,"endHours":20.789765270118615,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.789765270118615,"endHours":21.789765270118615,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.789765270118615,"endHours":22.789765270118615,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.789765270118615,"endHours":23.789765270118615,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.789765270118615,"endHours":24.789765270118615,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.789765270118615,"endHours":25.789765270118615,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.789765270118615,"endHours":26.789765270118615,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.789765270118615,"endHours":27.789765270118615,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.789765270118615,"endHours":28.789765270118615,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.789765270118615,"endHours":29.789765270118615,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.924373434136921,"eotMinutes":-2.537336263848294,"ayanamsa":23.7222}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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, 1990 CE · Ṛṣikeśa · Vidhyamitra","description":"August 22, 1990 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 05:47, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1990-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1990-08-22","sa":"https://sa.vidhyamitra.com/city/rishikesh/1990-08-22","hi":"https://hi.vidhyamitra.com/city/rishikesh/1990-08-22","x-default":"https://vidhyamitra.com/city/rishikesh/1990-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T21:52:30.926Z","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":"2026-05-17T21:52:30.926Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T21:52:30.926Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}