{"id":"vidhyamitra:city-day:badrinath:1981-02-03:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/1981-02-03","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-03","date_display":"February 3, 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":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444638.770833,"kali_year":5082,"ahargana":1856173.2708,"sun":{"sidereal_longitude":290.6152,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":266.2179,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.6028,"elapsed_within_tithi_degrees":11.6028},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.2179,"elapsed_within_degrees":12.8846},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.8331},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":3,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444638.770833,"ahargana":1856173.2708,"kali_year":5082,"ayanamsa_lahiri":23.5889,"grahas":{"sun":{"sidereal_longitude":290.538679,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":267.055879,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":1.8852},"mars":{"sidereal_longitude":303.620579,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":309.07697899999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":166.71907899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":275.176279,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":165.76047900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":111.0076,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.0076,"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":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444638.770833,"kali_year":5082,"ahargana":1856173.2708,"sun":{"sidereal_longitude":290.6152,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":266.2179,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.6028,"elapsed_within_tithi_degrees":11.6028},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.2179,"elapsed_within_degrees":12.8846},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.8331},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.885,"elongation":24.397},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.885,"opposition_distance":155.603}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":2,"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":"07:03","sunsetLocal":"17:49","solarNoonLocal":"12:26","dayLengthHours":10.776076061603893,"dayLengthDisplay":"10 Hours 46 Mins 34 Secs","nightLengthDisplay":"13 Hours 13 Mins 26 Secs","moonriseLocal":"05:44","moonsetLocal":"16:00","rahuKala":{"name":"Rāhu Kāla","start":"15:08","end":"16:28","startHours":15.127273721215142,"endHours":16.47428322891563,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:44","end":"11:05","startHours":9.739235690413196,"endHours":11.086245198113682,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:26","end":"13:47","startHours":12.433254705814168,"endHours":13.780264213514656,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.559634422719796,"endHours":9.918836958106594,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.494219844245718,"endHours":7.781581872555155,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:48","startHours":12.074052170427372,"endHours":12.792457241200964,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:20","startHours":5.608406533465036,"endHours":6.326811604238629,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:03","startHours":6.147210336545231,"endHours":7.045216675012222,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"14:57","startHours":14.229267382748152,"endHours":14.947672453521744,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.621292736616116,"endHours":18.021292736616115,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:16","startHours":17.821292736616115,"endHours":18.27029590584961,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.571292736616115,"endHours":19.321292736616115,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:48","startHours":24.074052170427372,"endHours":24.792457241200964,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:03","end":"08:24","startHours":7.045216675012222,"endHours":8.392226182712708,"quality":"inauspicious"},{"name":"Udveg","start":"08:24","end":"09:44","startHours":8.392226182712708,"endHours":9.739235690413196,"quality":"inauspicious"},{"name":"Chala","start":"09:44","end":"11:05","startHours":9.739235690413196,"endHours":11.086245198113682,"quality":"neutral"},{"name":"Labha","start":"11:05","end":"12:26","startHours":11.086245198113682,"endHours":12.433254705814168,"quality":"auspicious"},{"name":"Amṛta","start":"12:26","end":"13:47","startHours":12.433254705814168,"endHours":13.780264213514656,"quality":"auspicious"},{"name":"Kāla","start":"13:47","end":"15:08","startHours":13.780264213514656,"endHours":15.127273721215142,"quality":"inauspicious"},{"name":"Śubha","start":"15:08","end":"16:28","startHours":15.127273721215142,"endHours":16.47428322891563,"quality":"auspicious"},{"name":"Roga","start":"16:28","end":"17:49","startHours":16.47428322891563,"endHours":17.821292736616115,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:28","startHours":17.821292736616115,"endHours":19.474283228915628,"quality":"inauspicious"},{"name":"Śubha","start":"19:28","end":"21:08","startHours":19.474283228915628,"endHours":21.127273721215143,"quality":"auspicious"},{"name":"Roga","start":"21:08","end":"22:47","startHours":21.127273721215143,"endHours":22.780264213514656,"quality":"inauspicious"},{"name":"Udveg","start":"22:47","end":"00:26","startHours":22.780264213514656,"endHours":24.433254705814168,"quality":"inauspicious"},{"name":"Chala","start":"00:26","end":"02:05","startHours":24.433254705814168,"endHours":26.08624519811368,"quality":"neutral"},{"name":"Labha","start":"02:05","end":"03:44","startHours":26.08624519811368,"endHours":27.739235690413196,"quality":"auspicious"},{"name":"Amṛta","start":"03:44","end":"05:24","startHours":27.739235690413196,"endHours":29.392226182712708,"quality":"auspicious"},{"name":"Kāla","start":"05:24","end":"07:03","startHours":29.392226182712708,"endHours":31.04521667501222,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.045216675012222,"endHours":8.045216675012222,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.045216675012222,"endHours":9.045216675012222,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.045216675012222,"endHours":10.045216675012222,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.045216675012222,"endHours":11.045216675012222,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.045216675012222,"endHours":12.045216675012222,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.045216675012222,"endHours":13.045216675012222,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.045216675012222,"endHours":14.045216675012222,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.045216675012222,"endHours":15.045216675012222,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.045216675012222,"endHours":16.04521667501222,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.04521667501222,"endHours":17.04521667501222,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.04521667501222,"endHours":18.04521667501222,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.04521667501222,"endHours":19.04521667501222,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.04521667501222,"endHours":20.04521667501222,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.04521667501222,"endHours":21.04521667501222,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.04521667501222,"endHours":22.04521667501222,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.04521667501222,"endHours":23.04521667501222,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.04521667501222,"endHours":24.04521667501222,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.04521667501222,"endHours":25.04521667501222,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.04521667501222,"endHours":26.04521667501222,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.04521667501222,"endHours":27.04521667501222,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.04521667501222,"endHours":28.04521667501222,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.04521667501222,"endHours":29.04521667501222,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.04521667501222,"endHours":30.04521667501222,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.04521667501222,"endHours":31.04521667501222,"planetary_lord":"Saturn"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","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":-16.588073313673473,"eotMinutes":-13.970482348849993,"ayanamsa":23.5889}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Trayodaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 3, 1981 CE · Badarīnāth · Vidhyamitra","description":"February 3, 1981 CE for Badarīnāth: Kṛṣṇa Trayodaśī, sūryodaya 07:03, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/1981-02-03","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/1981-02-03","sa":"https://sa.vidhyamitra.com/city/badrinath/1981-02-03","hi":"https://hi.vidhyamitra.com/city/badrinath/1981-02-03","x-default":"https://vidhyamitra.com/city/badrinath/1981-02-03"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:23:22.302Z","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":"2026-06-01T00:23:22.302Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:23:22.302Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}