{"id":"vidhyamitra:city-day:salem:1981-06-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/salem/1981-06-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-12","date_display":"June 12, 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":6,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444767.770833,"kali_year":5083,"ahargana":1856302.2708,"sun":{"sidereal_longitude":57.2468,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":173.6904,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.4435,"elapsed_within_tithi_degrees":8.4435},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.6904,"elapsed_within_degrees":0.357},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.9372},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":6,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444767.770833,"ahargana":1856302.2708,"kali_year":5083,"ayanamsa_lahiri":23.5938,"grahas":{"sun":{"sidereal_longitude":57.40584999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":176.05984999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":4.215},"mars":{"sidereal_longitude":41.496050000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":71.74225000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":157.40824999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":74.97045000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":159.18724999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":104.1725,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.1725,"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":6,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444767.770833,"kali_year":5083,"ahargana":1856302.2708,"sun":{"sidereal_longitude":57.2468,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":173.6904,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.4435,"elapsed_within_tithi_degrees":8.4435},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.6904,"elapsed_within_degrees":0.357},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.9372},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.215,"elongation":116.444},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.215,"opposition_distance":63.556}},"eclipse_window_40days":[]},"city":{"slug":"salem","name":"Salem, Tamil Nadu","lat":11.6643,"lon":78.146,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"salem","name":"Salem, Tamil Nadu","lat":11.6643,"lon":78.146,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:53","sunsetLocal":"18:41","solarNoonLocal":"12:17","dayLengthHours":12.798466345395518,"dayLengthDisplay":"12 Hours 47 Mins 54 Secs","nightLengthDisplay":"11 Hours 12 Mins 06 Secs","moonriseLocal":"14:16","moonsetLocal":"02:08","rahuKala":{"name":"Rāhu Kāla","start":"10:41","end":"12:17","startHours":10.683535204148576,"endHours":12.283343497323017,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:29","end":"17:05","startHours":15.482960083671895,"endHours":17.082768376846335,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:29","end":"09:05","startHours":7.483918617799697,"endHours":9.083726910974136,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.870419138550877,"endHours":9.297034683397396,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.417379755683403,"endHours":6.758672191560617,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:43","startHours":11.856727952476499,"endHours":12.709959042169535,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:02","startHours":4.177648145239188,"endHours":5.030879234932223,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:53","startHours":4.817571462508964,"endHours":5.884110324625257,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:16","startHours":14.416421221555602,"endHours":15.269652311248636,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.482576670020777,"endHours":18.882576670020775,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:13","startHours":18.682576670020776,"endHours":19.215846101078924,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.432576670020776,"endHours":20.182576670020776,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:43","startHours":23.8567279524765,"endHours":24.709959042169533,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:53","end":"07:29","startHours":5.884110324625257,"endHours":7.483918617799697,"quality":"neutral"},{"name":"Labha","start":"07:29","end":"09:05","startHours":7.483918617799697,"endHours":9.083726910974136,"quality":"auspicious"},{"name":"Amṛta","start":"09:05","end":"10:41","startHours":9.083726910974136,"endHours":10.683535204148576,"quality":"auspicious"},{"name":"Kāla","start":"10:41","end":"12:17","startHours":10.683535204148576,"endHours":12.283343497323017,"quality":"inauspicious"},{"name":"Śubha","start":"12:17","end":"13:53","startHours":12.283343497323017,"endHours":13.883151790497456,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:29","startHours":13.883151790497456,"endHours":15.482960083671895,"quality":"inauspicious"},{"name":"Udveg","start":"15:29","end":"17:05","startHours":15.482960083671895,"endHours":17.082768376846335,"quality":"inauspicious"},{"name":"Chala","start":"17:05","end":"18:41","startHours":17.082768376846335,"endHours":18.682576670020776,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:41","end":"20:05","startHours":18.682576670020776,"endHours":20.082768376846335,"quality":"inauspicious"},{"name":"Udveg","start":"20:05","end":"21:29","startHours":20.082768376846335,"endHours":21.482960083671898,"quality":"inauspicious"},{"name":"Chala","start":"21:29","end":"22:53","startHours":21.482960083671898,"endHours":22.883151790497458,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:17","startHours":22.883151790497458,"endHours":24.283343497323017,"quality":"auspicious"},{"name":"Amṛta","start":"00:17","end":"01:41","startHours":24.283343497323017,"endHours":25.683535204148576,"quality":"auspicious"},{"name":"Kāla","start":"01:41","end":"03:05","startHours":25.683535204148576,"endHours":27.083726910974136,"quality":"inauspicious"},{"name":"Śubha","start":"03:05","end":"04:29","startHours":27.083726910974136,"endHours":28.4839186177997,"quality":"auspicious"},{"name":"Roga","start":"04:29","end":"05:53","startHours":28.4839186177997,"endHours":29.884110324625258,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.884110324625257,"endHours":6.884110324625257,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.884110324625257,"endHours":7.884110324625257,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.884110324625257,"endHours":8.884110324625258,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.884110324625258,"endHours":9.884110324625258,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.884110324625258,"endHours":10.884110324625258,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.884110324625258,"endHours":11.884110324625258,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.884110324625258,"endHours":12.884110324625258,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.884110324625258,"endHours":13.884110324625258,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.884110324625258,"endHours":14.884110324625258,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.884110324625258,"endHours":15.884110324625258,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.884110324625258,"endHours":16.884110324625258,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.884110324625258,"endHours":17.884110324625258,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.884110324625258,"endHours":18.884110324625258,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.884110324625258,"endHours":19.884110324625258,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.884110324625258,"endHours":20.884110324625258,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.884110324625258,"endHours":21.884110324625258,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.884110324625258,"endHours":22.884110324625258,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.884110324625258,"endHours":23.884110324625258,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.884110324625258,"endHours":24.884110324625258,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.884110324625258,"endHours":25.884110324625258,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.884110324625258,"endHours":26.884110324625258,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.884110324625258,"endHours":27.884110324625258,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.884110324625258,"endHours":28.884110324625258,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.884110324625258,"endHours":29.884110324625258,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.131037632645626,"eotMinutes":0.4153901606190271,"ayanamsa":23.5938}},"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","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"ganga-dussehra","name":"Gaṅgā Daśaharā","name_sanskrit":"गङ्गा दशहरा","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Devī Gaṅgā's descent to earth (Bhagīratha's success). Dasha-pāpa-haraṇī.","vrata":true,"detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 42-44"]}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"salem"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 12, 1981 CE · Salem, Tamil Nadu · Vidhyamitra","description":"June 12, 1981 CE for Salem, Tamil Nadu: Śukla Daśamī, sūryodaya 05:53, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/salem/1981-06-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/salem/1981-06-12","sa":"https://sa.vidhyamitra.com/city/salem/1981-06-12","hi":"https://hi.vidhyamitra.com/city/salem/1981-06-12","x-default":"https://vidhyamitra.com/city/salem/1981-06-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:32:28.914Z","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":"2026-06-03T05:32:28.914Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:32:28.914Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}