{"id":"vidhyamitra:city-day:rishikesh:1982-02-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1982-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-02-21","date_display":"February 21, 1982 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":1982,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445021.770833,"kali_year":5083,"ahargana":1856556.2708,"sun":{"sidereal_longitude":308.6475,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":274.3516,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.7041,"elapsed_within_tithi_degrees":1.7041},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.3516,"elapsed_within_degrees":7.6849},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":222.9991},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1982,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445021.770833,"ahargana":1856556.2708,"kali_year":5083,"ayanamsa_lahiri":23.6035,"grahas":{"sun":{"sidereal_longitude":308.479646,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":275.25614599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-0.2852},"mars":{"sidereal_longitude":175.72164599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":282.57364600000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":197.150846,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":271.83544600000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":178.000946,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":90.7144,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":270.7144,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"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":1982,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445021.770833,"kali_year":5083,"ahargana":1856556.2708,"sun":{"sidereal_longitude":308.6475,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":274.3516,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.7041,"elapsed_within_tithi_degrees":1.7041},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.3516,"elapsed_within_degrees":7.6849},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":222.9991},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.285,"elongation":34.296},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.285,"opposition_distance":145.704}},"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":"06:52","sunsetLocal":"18:10","solarNoonLocal":"12:31","dayLengthHours":11.29074896442792,"dayLengthDisplay":"11 Hours 17 Mins 27 Secs","nightLengthDisplay":"12 Hours 42 Mins 33 Secs","moonriseLocal":"05:05","moonsetLocal":"15:31","rahuKala":{"name":"Rāhu Kāla","start":"16:45","end":"18:10","startHours":16.75268823401441,"endHours":18.1640318545679,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"13:56","startHours":12.518657372353939,"endHours":13.93000099290743,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"16:45","startHours":15.341344613460919,"endHours":16.75268823401441,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:53","startHours":9.507790981839829,"endHours":9.884149280654093,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:39","startHours":7.34373076365781,"endHours":7.644817402709221,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.142299073539675,"endHours":12.895015671168203,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:07","startHours":5.367849694882924,"endHours":6.120566292511452,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:56","end":"06:52","startHours":5.93238714310432,"endHours":6.87328289013998,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:09","startHours":14.40044886642526,"endHours":15.153165464053787,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.9640318545679,"endHours":18.364031854567898,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:38","startHours":18.1640318545679,"endHours":18.63447972808573,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.9140318545679,"endHours":19.6640318545679,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.142299073539675,"endHours":24.895015671168203,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:52","end":"08:17","startHours":6.87328289013998,"endHours":8.284626510693471,"quality":"inauspicious"},{"name":"Chala","start":"08:17","end":"09:42","startHours":8.284626510693471,"endHours":9.695970131246959,"quality":"neutral"},{"name":"Labha","start":"09:42","end":"11:06","startHours":9.695970131246959,"endHours":11.10731375180045,"quality":"auspicious"},{"name":"Amṛta","start":"11:06","end":"12:31","startHours":11.10731375180045,"endHours":12.518657372353939,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"13:56","startHours":12.518657372353939,"endHours":13.93000099290743,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:20","startHours":13.93000099290743,"endHours":15.341344613460919,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"16:45","startHours":15.341344613460919,"endHours":16.75268823401441,"quality":"inauspicious"},{"name":"Udveg","start":"16:45","end":"18:10","startHours":16.75268823401441,"endHours":18.1640318545679,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:10","end":"19:45","startHours":18.1640318545679,"endHours":19.752688234014407,"quality":"auspicious"},{"name":"Roga","start":"19:45","end":"21:20","startHours":19.752688234014407,"endHours":21.34134461346092,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"22:56","startHours":21.34134461346092,"endHours":22.93000099290743,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:31","startHours":22.93000099290743,"endHours":24.51865737235394,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"02:06","startHours":24.51865737235394,"endHours":26.107313751800447,"quality":"auspicious"},{"name":"Amṛta","start":"02:06","end":"03:42","startHours":26.107313751800447,"endHours":27.69597013124696,"quality":"auspicious"},{"name":"Kāla","start":"03:42","end":"05:17","startHours":27.69597013124696,"endHours":29.28462651069347,"quality":"inauspicious"},{"name":"Śubha","start":"05:17","end":"06:52","startHours":29.28462651069347,"endHours":30.87328289013998,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.87328289013998,"endHours":7.87328289013998,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.87328289013998,"endHours":8.87328289013998,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.87328289013998,"endHours":9.87328289013998,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.87328289013998,"endHours":10.87328289013998,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.87328289013998,"endHours":11.87328289013998,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.87328289013998,"endHours":12.87328289013998,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.87328289013998,"endHours":13.87328289013998,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.87328289013998,"endHours":14.87328289013998,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.87328289013998,"endHours":15.87328289013998,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.87328289013998,"endHours":16.87328289013998,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.87328289013998,"endHours":17.87328289013998,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.87328289013998,"endHours":18.87328289013998,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.87328289013998,"endHours":19.87328289013998,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.87328289013998,"endHours":20.87328289013998,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.87328289013998,"endHours":21.87328289013998,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.87328289013998,"endHours":22.87328289013998,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.87328289013998,"endHours":23.87328289013998,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.87328289013998,"endHours":24.87328289013998,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.87328289013998,"endHours":25.87328289013998,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.87328289013998,"endHours":26.87328289013998,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.87328289013998,"endHours":27.87328289013998,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.87328289013998,"endHours":28.87328289013998,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.87328289013998,"endHours":29.87328289013998,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.87328289013998,"endHours":30.87328289013998,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-10.731934968925254,"eotMinutes":-14.189842341236304,"ayanamsa":23.6035}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Trayodaśī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5},{"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":"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 February 21, 1982 CE · Ṛṣikeśa · Vidhyamitra","description":"February 21, 1982 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:52, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1982-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1982-02-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1982-02-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1982-02-21","x-default":"https://vidhyamitra.com/city/rishikesh/1982-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T17:24:49.183Z","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":"2026-05-18T17:24:49.183Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T17:24:49.183Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}