{"id":"vidhyamitra:city-day:mysore:1981-02-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mysore/1981-02-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-09","date_display":"February 9, 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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444644.770833,"kali_year":5082,"ahargana":1856179.2708,"sun":{"sidereal_longitude":296.7316,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":349.1755,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.4439,"elapsed_within_tithi_degrees":4.4439},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":349.1755,"elapsed_within_degrees":2.5089},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.9071},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444644.770833,"ahargana":1856179.2708,"kali_year":5082,"ayanamsa_lahiri":23.5891,"grahas":{"sun":{"sidereal_longitude":296.61915,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":350.75265,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-3.8352},"mars":{"sidereal_longitude":308.36175000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":311.6260500000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.48894999999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":282.68935,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":165.57065,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":110.6897,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":290.6897,"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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444644.770833,"kali_year":5082,"ahargana":1856179.2708,"sun":{"sidereal_longitude":296.7316,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":349.1755,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.4439,"elapsed_within_tithi_degrees":4.4439},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":349.1755,"elapsed_within_degrees":2.5089},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.9071},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.835,"elongation":52.444},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.835,"opposition_distance":127.556}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"mysore","name":"Mysore, Karnataka","lat":12.2958,"lon":76.6394,"tz_offset_hours":5.5,"state":"Karnataka","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"mysore","name":"Mysore, Karnataka","lat":12.2958,"lon":76.6394,"tz_offset_hours":5.5,"state":"Karnataka","country":"IN","tier":"tier-1"},"sunriseLocal":"06:48","sunsetLocal":"18:28","solarNoonLocal":"12:38","dayLengthHours":11.679167321948169,"dayLengthDisplay":"11 Hours 40 Mins 45 Secs","nightLengthDisplay":"12 Hours 19 Mins 15 Secs","moonriseLocal":"10:07","moonsetLocal":"22:22","rahuKala":{"name":"Rāhu Kāla","start":"08:15","end":"09:43","startHours":8.252740749645968,"endHours":9.712636664889489,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:10","end":"12:38","startHours":11.172532580133009,"endHours":12.63242849537653,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:06","end":"15:33","startHours":14.092324410620051,"endHours":15.552220325863573,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:54","startHours":9.517983876190353,"endHours":9.907289453588625,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:35","startHours":7.279476806150287,"endHours":7.590921268068905,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:15","end":"13:01","startHours":12.243122917978258,"endHours":13.021734072774802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"06:01","startHours":5.235622524809357,"endHours":6.014233679605901,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:48","startHours":5.8195808909067654,"endHours":6.792844834402446,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:21","startHours":14.578956382367892,"endHours":15.357567537164437,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.272012156350616,"endHours":18.672012156350615,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:58","startHours":18.472012156350615,"endHours":18.958644128098456,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.222012156350615,"endHours":19.972012156350615,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:15","end":"01:01","startHours":24.24312291797826,"endHours":25.0217340727748,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:48","end":"08:15","startHours":6.792844834402446,"endHours":8.252740749645968,"quality":"auspicious"},{"name":"Kāla","start":"08:15","end":"09:43","startHours":8.252740749645968,"endHours":9.712636664889489,"quality":"inauspicious"},{"name":"Śubha","start":"09:43","end":"11:10","startHours":9.712636664889489,"endHours":11.172532580133009,"quality":"auspicious"},{"name":"Roga","start":"11:10","end":"12:38","startHours":11.172532580133009,"endHours":12.63242849537653,"quality":"inauspicious"},{"name":"Udveg","start":"12:38","end":"14:06","startHours":12.63242849537653,"endHours":14.092324410620051,"quality":"inauspicious"},{"name":"Chala","start":"14:06","end":"15:33","startHours":14.092324410620051,"endHours":15.552220325863573,"quality":"neutral"},{"name":"Labha","start":"15:33","end":"17:01","startHours":15.552220325863573,"endHours":17.012116241107094,"quality":"auspicious"},{"name":"Amṛta","start":"17:01","end":"18:28","startHours":17.012116241107094,"endHours":18.472012156350615,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:28","end":"20:01","startHours":18.472012156350615,"endHours":20.012116241107094,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:33","startHours":20.012116241107094,"endHours":21.552220325863573,"quality":"auspicious"},{"name":"Amṛta","start":"21:33","end":"23:06","startHours":21.552220325863573,"endHours":23.09232441062005,"quality":"auspicious"},{"name":"Kāla","start":"23:06","end":"00:38","startHours":23.09232441062005,"endHours":24.63242849537653,"quality":"inauspicious"},{"name":"Śubha","start":"00:38","end":"02:10","startHours":24.63242849537653,"endHours":26.17253258013301,"quality":"auspicious"},{"name":"Roga","start":"02:10","end":"03:43","startHours":26.17253258013301,"endHours":27.712636664889487,"quality":"inauspicious"},{"name":"Udveg","start":"03:43","end":"05:15","startHours":27.712636664889487,"endHours":29.252740749645966,"quality":"inauspicious"},{"name":"Chala","start":"05:15","end":"06:48","startHours":29.252740749645966,"endHours":30.792844834402445,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.792844834402446,"endHours":7.792844834402446,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.792844834402446,"endHours":8.792844834402446,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.792844834402446,"endHours":9.792844834402446,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.792844834402446,"endHours":10.792844834402446,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.792844834402446,"endHours":11.792844834402446,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.792844834402446,"endHours":12.792844834402446,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.792844834402446,"endHours":13.792844834402446,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.792844834402446,"endHours":14.792844834402446,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.792844834402446,"endHours":15.792844834402446,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.792844834402446,"endHours":16.792844834402445,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.792844834402445,"endHours":17.792844834402445,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.792844834402445,"endHours":18.792844834402445,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.792844834402445,"endHours":19.792844834402445,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.792844834402445,"endHours":20.792844834402445,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.792844834402445,"endHours":21.792844834402445,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.792844834402445,"endHours":22.792844834402445,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.792844834402445,"endHours":23.792844834402445,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.792844834402445,"endHours":24.792844834402445,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.792844834402445,"endHours":25.792844834402445,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.792844834402445,"endHours":26.792844834402445,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.792844834402445,"endHours":27.792844834402445,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.792844834402445,"endHours":28.792844834402445,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.792844834402445,"endHours":29.792844834402445,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.792844834402445,"endHours":30.792844834402445,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","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":-14.746827649045654,"eotMinutes":-14.503309722591807,"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","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]},{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mysore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 9, 1981 CE · Mysore, Karnataka · Vidhyamitra","description":"February 9, 1981 CE for Mysore, Karnataka: Śukla Pañcamī, sūryodaya 06:48, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mysore/1981-02-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mysore/1981-02-09","sa":"https://sa.vidhyamitra.com/city/mysore/1981-02-09","hi":"https://hi.vidhyamitra.com/city/mysore/1981-02-09","x-default":"https://vidhyamitra.com/city/mysore/1981-02-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T03:35:32.323Z","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":"2026-05-19T03:35:32.323Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T03:35:32.323Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}