{"id":"vidhyamitra:city-day:rishikesh:1983-01-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1983-01-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-01-26","date_display":"January 26, 1983 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":1983,"month":1,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445360.770833,"kali_year":5084,"ahargana":1856895.2708,"sun":{"sidereal_longitude":281.9063,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":63.3727,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.4664,"elapsed_within_tithi_degrees":9.4664},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.3727,"elapsed_within_degrees":10.0393},"yoga":{"number":26,"name":"Indra","sum_longitude":345.279},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1983,"month":1,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445360.770833,"ahargana":1856895.2708,"kali_year":5084,"ayanamsa_lahiri":23.6165,"grahas":{"sun":{"sidereal_longitude":281.89339300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":61.12589300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-0.7327},"mars":{"sidereal_longitude":313.28799300000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":263.156293,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":222.785893,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":302.03199300000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":190.23249299999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":72.7525,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.7525,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1983,"month":1,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445360.770833,"kali_year":5084,"ahargana":1856895.2708,"sun":{"sidereal_longitude":281.9063,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":63.3727,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.4664,"elapsed_within_tithi_degrees":9.4664},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.3727,"elapsed_within_degrees":10.0393},"yoga":{"number":26,"name":"Indra","sum_longitude":345.279},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.733,"elongation":141.466},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.733,"opposition_distance":38.534}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"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":"07:11","sunsetLocal":"17:48","solarNoonLocal":"12:29","dayLengthHours":10.613495082012697,"dayLengthDisplay":"10 Hours 36 Mins 49 Secs","nightLengthDisplay":"13 Hours 23 Mins 11 Secs","moonriseLocal":"14:45","moonsetLocal":"04:47","rahuKala":{"name":"Rāhu Kāla","start":"12:29","end":"13:49","startHours":12.49120642422718,"endHours":13.817893309478768,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:31","end":"09:50","startHours":8.511145768472419,"endHours":9.837832653724007,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:10","end":"12:29","startHours":11.164519538975593,"endHours":12.49120642422718,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.660941069023794,"endHours":10.014724238424218,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.626687844971361,"endHours":7.9097143804917,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.137423254826757,"endHours":12.844989593627602,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:29","startHours":5.769326205619139,"endHours":6.476892544419985,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.300000959719774,"endHours":7.184458883220832,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:58","startHours":14.260122271229296,"endHours":14.967688610030143,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.59795396523353,"endHours":17.997953965233528,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:14","startHours":17.79795396523353,"endHours":18.24018292698406,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.54795396523353,"endHours":19.29795396523353,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.137423254826757,"endHours":24.844989593627602,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:11","end":"08:31","startHours":7.184458883220832,"endHours":8.511145768472419,"quality":"auspicious"},{"name":"Amṛta","start":"08:31","end":"09:50","startHours":8.511145768472419,"endHours":9.837832653724007,"quality":"auspicious"},{"name":"Kāla","start":"09:50","end":"11:10","startHours":9.837832653724007,"endHours":11.164519538975593,"quality":"inauspicious"},{"name":"Śubha","start":"11:10","end":"12:29","startHours":11.164519538975593,"endHours":12.49120642422718,"quality":"auspicious"},{"name":"Roga","start":"12:29","end":"13:49","startHours":12.49120642422718,"endHours":13.817893309478768,"quality":"inauspicious"},{"name":"Udveg","start":"13:49","end":"15:09","startHours":13.817893309478768,"endHours":15.144580194730356,"quality":"inauspicious"},{"name":"Chala","start":"15:09","end":"16:28","startHours":15.144580194730356,"endHours":16.471267079981942,"quality":"neutral"},{"name":"Labha","start":"16:28","end":"17:48","startHours":16.471267079981942,"endHours":17.79795396523353,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:48","end":"19:28","startHours":17.79795396523353,"endHours":19.471267079981942,"quality":"inauspicious"},{"name":"Chala","start":"19:28","end":"21:09","startHours":19.471267079981942,"endHours":21.144580194730352,"quality":"neutral"},{"name":"Labha","start":"21:09","end":"22:49","startHours":21.144580194730352,"endHours":22.817893309478766,"quality":"auspicious"},{"name":"Amṛta","start":"22:49","end":"00:29","startHours":22.817893309478766,"endHours":24.49120642422718,"quality":"auspicious"},{"name":"Kāla","start":"00:29","end":"02:10","startHours":24.49120642422718,"endHours":26.164519538975593,"quality":"inauspicious"},{"name":"Śubha","start":"02:10","end":"03:50","startHours":26.164519538975593,"endHours":27.837832653724007,"quality":"auspicious"},{"name":"Roga","start":"03:50","end":"05:31","startHours":27.837832653724007,"endHours":29.511145768472417,"quality":"inauspicious"},{"name":"Udveg","start":"05:31","end":"07:11","startHours":29.511145768472417,"endHours":31.18445888322083,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.184458883220832,"endHours":8.184458883220831,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.184458883220831,"endHours":9.184458883220831,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.184458883220831,"endHours":10.184458883220831,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.184458883220831,"endHours":11.184458883220831,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.184458883220831,"endHours":12.184458883220831,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.184458883220831,"endHours":13.184458883220831,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.184458883220831,"endHours":14.184458883220831,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.184458883220831,"endHours":15.184458883220831,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.184458883220831,"endHours":16.18445888322083,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.18445888322083,"endHours":17.18445888322083,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.18445888322083,"endHours":18.18445888322083,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.18445888322083,"endHours":19.18445888322083,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.18445888322083,"endHours":20.18445888322083,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.18445888322083,"endHours":21.18445888322083,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.18445888322083,"endHours":22.18445888322083,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.18445888322083,"endHours":23.18445888322083,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.18445888322083,"endHours":24.18445888322083,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.18445888322083,"endHours":25.18445888322083,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.18445888322083,"endHours":26.18445888322083,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.18445888322083,"endHours":27.18445888322083,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.18445888322083,"endHours":28.18445888322083,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.18445888322083,"endHours":29.18445888322083,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.18445888322083,"endHours":30.18445888322083,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.18445888322083,"endHours":31.18445888322083,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-18.89048410616391,"eotMinutes":-12.542785453630707,"ayanamsa":23.6165}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvādaśī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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 January 26, 1983 CE · Ṛṣikeśa · Vidhyamitra","description":"January 26, 1983 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 07:11, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1983-01-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1983-01-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/1983-01-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/1983-01-26","x-default":"https://vidhyamitra.com/city/rishikesh/1983-01-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T10:46:08.479Z","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":"2026-05-18T10:46:08.479Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T10:46:08.479Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}