{"id":"vidhyamitra:city-day:badrinath:1981-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/1981-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-08","date_display":"February 8, 1981 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":1981,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444643.770833,"kali_year":5082,"ahargana":1856178.2708,"sun":{"sidereal_longitude":295.7134,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":334.8142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.1009,"elapsed_within_tithi_degrees":3.1009},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.8142,"elapsed_within_degrees":1.4809},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5276},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1981,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444643.770833,"ahargana":1856178.2708,"kali_year":5082,"ayanamsa_lahiri":23.5891,"grahas":{"sun":{"sidereal_longitude":295.606588,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":336.381988,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.1283},"mars":{"sidereal_longitude":307.57178799999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":311.62708799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.534988,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":281.43728799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":165.60628799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":110.7427,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":290.7427,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444643.770833,"kali_year":5082,"ahargana":1856178.2708,"sun":{"sidereal_longitude":295.7134,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":334.8142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.1009,"elapsed_within_tithi_degrees":3.1009},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.8142,"elapsed_within_degrees":1.4809},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5276},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.128,"elongation":39.101},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.128,"opposition_distance":140.899}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"tier2":{"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"sunriseLocal":"06:59","sunsetLocal":"17:54","solarNoonLocal":"12:26","dayLengthHours":10.907097117872297,"dayLengthDisplay":"10 Hours 54 Mins 26 Secs","nightLengthDisplay":"13 Hours 05 Mins 34 Secs","moonriseLocal":"09:07","moonsetLocal":"21:12","rahuKala":{"name":"Rāhu Kāla","start":"16:32","end":"17:54","startHours":16.531357653879812,"endHours":17.89474479361385,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:26","end":"13:48","startHours":12.441196234677701,"endHours":13.804583374411738,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:10","end":"16:32","startHours":15.167970514145775,"endHours":16.531357653879812,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:54","startHours":9.532637003245087,"endHours":9.896206907174165,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.442110055652897,"endHours":7.732965978796158,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:48","startHours":12.077626330748624,"endHours":12.804766138606778,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:16","startHours":5.5333680600252455,"endHours":6.2605078678833985,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:59","startHours":6.07872291591886,"endHours":6.9876476757415515,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:59","startHours":14.259045754323083,"endHours":14.986185562181236,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.69474479361385,"endHours":18.09474479361385,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:21","startHours":17.89474479361385,"endHours":18.349207173525194,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.64474479361385,"endHours":19.39474479361385,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:48","startHours":24.077626330748625,"endHours":24.804766138606777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:59","end":"08:21","startHours":6.9876476757415515,"endHours":8.35103481547559,"quality":"inauspicious"},{"name":"Chala","start":"08:21","end":"09:43","startHours":8.35103481547559,"endHours":9.714421955209627,"quality":"neutral"},{"name":"Labha","start":"09:43","end":"11:05","startHours":9.714421955209627,"endHours":11.077809094943664,"quality":"auspicious"},{"name":"Amṛta","start":"11:05","end":"12:26","startHours":11.077809094943664,"endHours":12.441196234677701,"quality":"auspicious"},{"name":"Kāla","start":"12:26","end":"13:48","startHours":12.441196234677701,"endHours":13.804583374411738,"quality":"inauspicious"},{"name":"Śubha","start":"13:48","end":"15:10","startHours":13.804583374411738,"endHours":15.167970514145775,"quality":"auspicious"},{"name":"Roga","start":"15:10","end":"16:32","startHours":15.167970514145775,"endHours":16.531357653879812,"quality":"inauspicious"},{"name":"Udveg","start":"16:32","end":"17:54","startHours":16.531357653879812,"endHours":17.89474479361385,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:54","end":"19:32","startHours":17.89474479361385,"endHours":19.531357653879812,"quality":"auspicious"},{"name":"Roga","start":"19:32","end":"21:10","startHours":19.531357653879812,"endHours":21.167970514145775,"quality":"inauspicious"},{"name":"Udveg","start":"21:10","end":"22:48","startHours":21.167970514145775,"endHours":22.804583374411738,"quality":"inauspicious"},{"name":"Chala","start":"22:48","end":"00:26","startHours":22.804583374411738,"endHours":24.4411962346777,"quality":"neutral"},{"name":"Labha","start":"00:26","end":"02:05","startHours":24.4411962346777,"endHours":26.077809094943664,"quality":"auspicious"},{"name":"Amṛta","start":"02:05","end":"03:43","startHours":26.077809094943664,"endHours":27.714421955209627,"quality":"auspicious"},{"name":"Kāla","start":"03:43","end":"05:21","startHours":27.714421955209627,"endHours":29.35103481547559,"quality":"inauspicious"},{"name":"Śubha","start":"05:21","end":"06:59","startHours":29.35103481547559,"endHours":30.987647675741552,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.9876476757415515,"endHours":7.9876476757415515,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.9876476757415515,"endHours":8.987647675741552,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.987647675741552,"endHours":9.987647675741552,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.987647675741552,"endHours":10.987647675741552,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.987647675741552,"endHours":11.987647675741552,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.987647675741552,"endHours":12.987647675741552,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.987647675741552,"endHours":13.987647675741552,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.987647675741552,"endHours":14.987647675741552,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.987647675741552,"endHours":15.987647675741552,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.987647675741552,"endHours":16.987647675741552,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.987647675741552,"endHours":17.987647675741552,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.987647675741552,"endHours":18.987647675741552,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.987647675741552,"endHours":19.987647675741552,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.987647675741552,"endHours":20.987647675741552,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.987647675741552,"endHours":21.987647675741552,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.987647675741552,"endHours":22.987647675741552,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.987647675741552,"endHours":23.987647675741552,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.987647675741552,"endHours":24.987647675741552,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.987647675741552,"endHours":25.987647675741552,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.987647675741552,"endHours":26.987647675741552,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.987647675741552,"endHours":27.987647675741552,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.987647675741552,"endHours":28.987647675741552,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.987647675741552,"endHours":29.987647675741552,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.987647675741552,"endHours":30.987647675741552,"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.064677029680697,"eotMinutes":-14.446974080661976,"ayanamsa":23.5891}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"badrinath"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 8, 1981 CE · Badarīnāth · Vidhyamitra","description":"February 8, 1981 CE for Badarīnāth: Śukla Caturthī, sūryodaya 06:59, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/1981-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/1981-02-08","sa":"https://sa.vidhyamitra.com/city/badrinath/1981-02-08","hi":"https://hi.vidhyamitra.com/city/badrinath/1981-02-08","x-default":"https://vidhyamitra.com/city/badrinath/1981-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:57:59.639Z","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":"2026-05-30T23:57:59.639Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:57:59.639Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}