{"id":"vidhyamitra:city-day:rishikesh:1986-01-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1986-01-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-01-26","date_display":"January 26, 1986 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":1986,"month":1,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446456.770833,"kali_year":5087,"ahargana":1857991.2708,"sun":{"sidereal_longitude":282.1354,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.7015,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.5661,"elapsed_within_tithi_degrees":11.5661},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.7015,"elapsed_within_degrees":8.3682},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.837},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1986,"month":1,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446456.770833,"ahargana":1857991.2708,"kali_year":5087,"ayanamsa_lahiri":23.6584,"grahas":{"sun":{"sidereal_longitude":282.127618,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":102.35971799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":4.4939},"mars":{"sidereal_longitude":212.195018,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":278.29091800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":301.072318,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":283.87471800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":223.458618,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":14.6812,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.6812,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1986,"month":1,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446456.770833,"kali_year":5087,"ahargana":1857991.2708,"sun":{"sidereal_longitude":282.1354,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.7015,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.5661,"elapsed_within_tithi_degrees":11.5661},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.7015,"elapsed_within_degrees":8.3682},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.837},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.494,"elongation":179.566},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.494,"opposition_distance":0.434}},"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":"07:11","sunsetLocal":"17:48","solarNoonLocal":"12:29","dayLengthHours":10.619370793997305,"dayLengthDisplay":"10 Hours 37 Mins 10 Secs","nightLengthDisplay":"13 Hours 22 Mins 50 Secs","moonriseLocal":"17:42","moonsetLocal":"07:19","rahuKala":{"name":"Rāhu Kāla","start":"16:28","end":"17:48","startHours":16.473470471976167,"endHours":17.800891821225832,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:29","end":"13:49","startHours":12.49120642422718,"endHours":13.818627773476841,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:09","end":"16:28","startHours":15.146049122726506,"endHours":16.473470471976167,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.659374212494564,"endHours":10.013353238961141,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.623994810311747,"endHours":7.907178031485008,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.137227397760602,"endHours":12.845185450693757,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.765604921362218,"endHours":6.473562974295373,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.296573461062084,"endHours":7.181521027228526,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:58","startHours":14.261101556560064,"endHours":14.969059609493218,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.600891821225833,"endHours":18.00089182122583,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:15","startHours":17.800891821225832,"endHours":18.243365604309055,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.550891821225832,"endHours":19.300891821225832,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.137227397760604,"endHours":24.845185450693755,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:11","end":"08:31","startHours":7.181521027228526,"endHours":8.508942376478188,"quality":"inauspicious"},{"name":"Chala","start":"08:31","end":"09:50","startHours":8.508942376478188,"endHours":9.836363725727853,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:10","startHours":9.836363725727853,"endHours":11.163785074977515,"quality":"auspicious"},{"name":"Amṛta","start":"11:10","end":"12:29","startHours":11.163785074977515,"endHours":12.49120642422718,"quality":"auspicious"},{"name":"Kāla","start":"12:29","end":"13:49","startHours":12.49120642422718,"endHours":13.818627773476841,"quality":"inauspicious"},{"name":"Śubha","start":"13:49","end":"15:09","startHours":13.818627773476841,"endHours":15.146049122726506,"quality":"auspicious"},{"name":"Roga","start":"15:09","end":"16:28","startHours":15.146049122726506,"endHours":16.473470471976167,"quality":"inauspicious"},{"name":"Udveg","start":"16:28","end":"17:48","startHours":16.473470471976167,"endHours":17.800891821225832,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:48","end":"19:28","startHours":17.800891821225832,"endHours":19.47347047197617,"quality":"auspicious"},{"name":"Roga","start":"19:28","end":"21:09","startHours":19.47347047197617,"endHours":21.146049122726506,"quality":"inauspicious"},{"name":"Udveg","start":"21:09","end":"22:49","startHours":21.146049122726506,"endHours":22.81862777347684,"quality":"inauspicious"},{"name":"Chala","start":"22:49","end":"00:29","startHours":22.81862777347684,"endHours":24.49120642422718,"quality":"neutral"},{"name":"Labha","start":"00:29","end":"02:10","startHours":24.49120642422718,"endHours":26.16378507497752,"quality":"auspicious"},{"name":"Amṛta","start":"02:10","end":"03:50","startHours":26.16378507497752,"endHours":27.836363725727853,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:31","startHours":27.836363725727853,"endHours":29.50894237647819,"quality":"inauspicious"},{"name":"Śubha","start":"05:31","end":"07:11","startHours":29.50894237647819,"endHours":31.181521027228527,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.181521027228526,"endHours":8.181521027228527,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.181521027228527,"endHours":9.181521027228527,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.181521027228527,"endHours":10.181521027228527,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.181521027228527,"endHours":11.181521027228527,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.181521027228527,"endHours":12.181521027228527,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.181521027228527,"endHours":13.181521027228527,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.181521027228527,"endHours":14.181521027228527,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.181521027228527,"endHours":15.181521027228527,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.181521027228527,"endHours":16.181521027228527,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.181521027228527,"endHours":17.181521027228527,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.181521027228527,"endHours":18.181521027228527,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.181521027228527,"endHours":19.181521027228527,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.181521027228527,"endHours":20.181521027228527,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.181521027228527,"endHours":21.181521027228527,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.181521027228527,"endHours":22.181521027228527,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.181521027228527,"endHours":23.181521027228527,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.181521027228527,"endHours":24.181521027228527,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.181521027228527,"endHours":25.181521027228527,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.181521027228527,"endHours":26.181521027228527,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.181521027228527,"endHours":27.181521027228527,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.181521027228527,"endHours":28.181521027228527,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.181521027228527,"endHours":29.181521027228527,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.181521027228527,"endHours":30.181521027228527,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.181521027228527,"endHours":31.181521027228527,"planetary_lord":"Jupiter"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"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":-18.822848444240186,"eotMinutes":-12.542785453630707,"ayanamsa":23.6584}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pūrṇimā · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"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":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2},{"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":"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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, 1986 CE · Ṛṣikeśa · Vidhyamitra","description":"January 26, 1986 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 07:11, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1986-01-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1986-01-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/1986-01-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/1986-01-26","x-default":"https://vidhyamitra.com/city/rishikesh/1986-01-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T15:14:58.613Z","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":"2026-05-18T15:14:58.613Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T15:14:58.613Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}