{"id":"vidhyamitra:city-day:mysore:1980-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mysore/1980-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-02-18","date_display":"February 18, 1980 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":1980,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444287.770833,"kali_year":5081,"ahargana":1855822.2708,"sun":{"sidereal_longitude":305.1212,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":326.3968,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.2756,"elapsed_within_tithi_degrees":9.2756},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.3968,"elapsed_within_degrees":6.3968},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.518},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1980,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444287.770833,"ahargana":1855822.2708,"kali_year":5081,"ayanamsa_lahiri":23.5754,"grahas":{"sun":{"sidereal_longitude":304.96419000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":328.50798999999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-1.2988},"mars":{"sidereal_longitude":135.28669000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":323.22249,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":132.37329,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":346.23249,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":151.77788999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":129.6052,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.6052,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"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":1980,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444287.770833,"kali_year":5081,"ahargana":1855822.2708,"sun":{"sidereal_longitude":305.1212,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":326.3968,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.2756,"elapsed_within_tithi_degrees":9.2756},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.3968,"elapsed_within_degrees":6.3968},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.518},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.299,"elongation":21.276},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.299,"opposition_distance":158.724}},"eclipse_window_40days":[]},"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":"06:45","sunsetLocal":"18:31","solarNoonLocal":"12:38","dayLengthHours":11.762829123480165,"dayLengthDisplay":"11 Hours 45 Mins 46 Secs","nightLengthDisplay":"12 Hours 14 Mins 14 Secs","moonriseLocal":"08:12","moonsetLocal":"20:12","rahuKala":{"name":"Rāhu Kāla","start":"08:13","end":"09:41","startHours":8.220227015568277,"endHours":9.690580656003299,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:10","end":"12:38","startHours":11.160934296438318,"endHours":12.631287936873338,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:06","end":"15:34","startHours":14.10164157730836,"endHours":15.57199521774338,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:53","startHours":9.494533503945295,"endHours":9.8866278080613,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:33","startHours":7.239991255278264,"endHours":7.553666698571068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:01","startHours":12.239193632757333,"endHours":13.023382240989344,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:58","startHours":5.181496158669235,"endHours":5.965684766901246,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:45","startHours":5.769637614843243,"endHours":6.749873375133257,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:23","startHours":14.591759457453367,"endHours":15.375948065685378,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.312702498613422,"endHours":18.71270249861342,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:00","startHours":18.51270249861342,"endHours":19.00282037875843,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26270249861342,"endHours":20.01270249861342,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:01","startHours":24.23919363275733,"endHours":25.023382240989346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:45","end":"08:13","startHours":6.749873375133257,"endHours":8.220227015568277,"quality":"auspicious"},{"name":"Kāla","start":"08:13","end":"09:41","startHours":8.220227015568277,"endHours":9.690580656003299,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"11:10","startHours":9.690580656003299,"endHours":11.160934296438318,"quality":"auspicious"},{"name":"Roga","start":"11:10","end":"12:38","startHours":11.160934296438318,"endHours":12.631287936873338,"quality":"inauspicious"},{"name":"Udveg","start":"12:38","end":"14:06","startHours":12.631287936873338,"endHours":14.10164157730836,"quality":"inauspicious"},{"name":"Chala","start":"14:06","end":"15:34","startHours":14.10164157730836,"endHours":15.57199521774338,"quality":"neutral"},{"name":"Labha","start":"15:34","end":"17:03","startHours":15.57199521774338,"endHours":17.0423488581784,"quality":"auspicious"},{"name":"Amṛta","start":"17:03","end":"18:31","startHours":17.0423488581784,"endHours":18.51270249861342,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:31","end":"20:03","startHours":18.51270249861342,"endHours":20.0423488581784,"quality":"neutral"},{"name":"Labha","start":"20:03","end":"21:34","startHours":20.0423488581784,"endHours":21.571995217743382,"quality":"auspicious"},{"name":"Amṛta","start":"21:34","end":"23:06","startHours":21.571995217743382,"endHours":23.10164157730836,"quality":"auspicious"},{"name":"Kāla","start":"23:06","end":"00:38","startHours":23.10164157730836,"endHours":24.63128793687334,"quality":"inauspicious"},{"name":"Śubha","start":"00:38","end":"02:10","startHours":24.63128793687334,"endHours":26.16093429643832,"quality":"auspicious"},{"name":"Roga","start":"02:10","end":"03:41","startHours":26.16093429643832,"endHours":27.6905806560033,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:13","startHours":27.6905806560033,"endHours":29.220227015568277,"quality":"inauspicious"},{"name":"Chala","start":"05:13","end":"06:45","startHours":29.220227015568277,"endHours":30.749873375133255,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.749873375133257,"endHours":7.749873375133257,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.749873375133257,"endHours":8.749873375133257,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.749873375133257,"endHours":9.749873375133257,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.749873375133257,"endHours":10.749873375133257,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.749873375133257,"endHours":11.749873375133257,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.749873375133257,"endHours":12.749873375133257,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.749873375133257,"endHours":13.749873375133257,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.749873375133257,"endHours":14.749873375133257,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.749873375133257,"endHours":15.749873375133257,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.749873375133257,"endHours":16.749873375133255,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.749873375133255,"endHours":17.749873375133255,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.749873375133255,"endHours":18.749873375133255,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.749873375133255,"endHours":19.749873375133255,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.749873375133255,"endHours":20.749873375133255,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.749873375133255,"endHours":21.749873375133255,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.749873375133255,"endHours":22.749873375133255,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.749873375133255,"endHours":23.749873375133255,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.749873375133255,"endHours":24.749873375133255,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.749873375133255,"endHours":25.749873375133255,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.749873375133255,"endHours":26.749873375133255,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.749873375133255,"endHours":27.749873375133255,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.749873375133255,"endHours":28.749873375133255,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.749873375133255,"endHours":29.749873375133255,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.749873375133255,"endHours":30.749873375133255,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.98058716187004,"eotMinutes":-14.434876212400278,"ayanamsa":23.5754}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[],"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 18, 1980 CE · Mysore, Karnataka · Vidhyamitra","description":"February 18, 1980 CE for Mysore, Karnataka: Śukla Dvitīyā, sūryodaya 06:45, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mysore/1980-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mysore/1980-02-18","sa":"https://sa.vidhyamitra.com/city/mysore/1980-02-18","hi":"https://hi.vidhyamitra.com/city/mysore/1980-02-18","x-default":"https://vidhyamitra.com/city/mysore/1980-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:22:11.937Z","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":"2026-06-02T11:22:11.937Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:22:11.937Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}