{"id":"vidhyamitra:city-day:mysore:1981-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mysore/1981-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-05-18","date_display":"May 18, 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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444742.770833,"kali_year":5083,"ahargana":1856277.2708,"sun":{"sidereal_longitude":33.439,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":203.0301,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.5911,"elapsed_within_tithi_degrees":1.5911},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":203.0301,"elapsed_within_degrees":3.0301},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.4692},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444742.770833,"ahargana":1856277.2708,"kali_year":5083,"ayanamsa_lahiri":23.5928,"grahas":{"sun":{"sidereal_longitude":33.431906000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":202.992206,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.4611},"mars":{"sidereal_longitude":23.501105999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":53.91680600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":157.16290600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":44.329206,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":159.44000600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":105.4972,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":285.4972,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444742.770833,"kali_year":5083,"ahargana":1856277.2708,"sun":{"sidereal_longitude":33.439,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":203.0301,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.5911,"elapsed_within_tithi_degrees":1.5911},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":203.0301,"elapsed_within_degrees":3.0301},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.4692},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.461,"elongation":169.591},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.461,"opposition_distance":10.409}},"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":"05:58","sunsetLocal":"18:41","solarNoonLocal":"12:20","dayLengthHours":12.710949658436368,"dayLengthDisplay":"12 Hours 42 Mins 39 Secs","nightLengthDisplay":"11 Hours 17 Mins 21 Secs","moonriseLocal":"17:51","moonsetLocal":"05:25","rahuKala":{"name":"Rāhu Kāla","start":"07:34","end":"09:09","startHours":7.562614174911871,"endHours":9.151482882216417,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:44","end":"12:20","startHours":10.740351589520962,"endHours":12.329220296825508,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:30","startHours":13.918089004130055,"endHours":15.5069577114346,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:22","startHours":8.939633721242476,"endHours":9.363332043190356,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:51","startHours":6.503368370042173,"endHours":6.842327027600476,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.90552197487763,"endHours":12.752918618773386,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:08","startHours":4.278952179815809,"endHours":5.126348823711567,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:58","startHours":4.914499662737628,"endHours":5.9737454676073245,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:18","startHours":14.447711906564903,"endHours":15.295108550460661,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.484695126043693,"endHours":18.88469512604369,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:13","startHours":18.684695126043692,"endHours":19.21431802847854,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.434695126043692,"endHours":20.184695126043692,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.90552197487763,"endHours":24.752918618773386,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:58","end":"07:34","startHours":5.9737454676073245,"endHours":7.562614174911871,"quality":"auspicious"},{"name":"Kāla","start":"07:34","end":"09:09","startHours":7.562614174911871,"endHours":9.151482882216417,"quality":"inauspicious"},{"name":"Śubha","start":"09:09","end":"10:44","startHours":9.151482882216417,"endHours":10.740351589520962,"quality":"auspicious"},{"name":"Roga","start":"10:44","end":"12:20","startHours":10.740351589520962,"endHours":12.329220296825508,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:55","startHours":12.329220296825508,"endHours":13.918089004130055,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:30","startHours":13.918089004130055,"endHours":15.5069577114346,"quality":"neutral"},{"name":"Labha","start":"15:30","end":"17:06","startHours":15.5069577114346,"endHours":17.095826418739147,"quality":"auspicious"},{"name":"Amṛta","start":"17:06","end":"18:41","startHours":17.095826418739147,"endHours":18.684695126043692,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:41","end":"20:06","startHours":18.684695126043692,"endHours":20.095826418739147,"quality":"neutral"},{"name":"Labha","start":"20:06","end":"21:30","startHours":20.095826418739147,"endHours":21.506957711434602,"quality":"auspicious"},{"name":"Amṛta","start":"21:30","end":"22:55","startHours":21.506957711434602,"endHours":22.918089004130053,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:20","startHours":22.918089004130053,"endHours":24.329220296825508,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:44","startHours":24.329220296825508,"endHours":25.740351589520962,"quality":"auspicious"},{"name":"Roga","start":"01:44","end":"03:09","startHours":25.740351589520962,"endHours":27.151482882216417,"quality":"inauspicious"},{"name":"Udveg","start":"03:09","end":"04:34","startHours":27.151482882216417,"endHours":28.56261417491187,"quality":"inauspicious"},{"name":"Chala","start":"04:34","end":"05:58","startHours":28.56261417491187,"endHours":29.973745467607323,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.9737454676073245,"endHours":6.9737454676073245,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.9737454676073245,"endHours":7.9737454676073245,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.9737454676073245,"endHours":8.973745467607324,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.973745467607324,"endHours":9.973745467607324,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.973745467607324,"endHours":10.973745467607324,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.973745467607324,"endHours":11.973745467607324,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.973745467607324,"endHours":12.973745467607324,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.973745467607324,"endHours":13.973745467607324,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.973745467607324,"endHours":14.973745467607324,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.973745467607324,"endHours":15.973745467607324,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.973745467607324,"endHours":16.973745467607323,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.973745467607323,"endHours":17.973745467607323,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.973745467607323,"endHours":18.973745467607323,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.973745467607323,"endHours":19.973745467607323,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.973745467607323,"endHours":20.973745467607323,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.973745467607323,"endHours":21.973745467607323,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.973745467607323,"endHours":22.973745467607323,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.973745467607323,"endHours":23.973745467607323,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.973745467607323,"endHours":24.973745467607323,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.973745467607323,"endHours":25.973745467607323,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.973745467607323,"endHours":26.973745467607323,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.973745467607323,"endHours":27.973745467607323,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.973745467607323,"endHours":28.973745467607323,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.973745467607323,"endHours":29.973745467607323,"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.49106684363513,"eotMinutes":3.6891821904695723,"ayanamsa":23.5928}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Pūrṇimā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"jyeshtha-purnima","name":"Jyeṣṭha Pūrṇimā (Vaṭa Sāvitrī)","name_sanskrit":"ज्येष्ठ पूर्णिमा","tradition":"Pan-Hindu","significance":"Vaṭa Sāvitrī Pūrṇimā in some traditions (others observe Amāvasyā).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":3},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā + Viśākhā","url":"/day/-0562-04-11","relevance":1},{"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}]},"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 May 18, 1981 CE · Mysore, Karnataka · Vidhyamitra","description":"May 18, 1981 CE for Mysore, Karnataka: Śukla Pūrṇimā, sūryodaya 05:58, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mysore/1981-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mysore/1981-05-18","sa":"https://sa.vidhyamitra.com/city/mysore/1981-05-18","hi":"https://hi.vidhyamitra.com/city/mysore/1981-05-18","x-default":"https://vidhyamitra.com/city/mysore/1981-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T09:27:35.303Z","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":"2026-05-18T09:27:35.303Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T09:27:35.303Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}