{"id":"vidhyamitra:city-day:agra:1981-08-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/agra/1981-08-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-12","date_display":"August 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":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444828.770833,"kali_year":5083,"ahargana":1856363.2708,"sun":{"sidereal_longitude":115.1051,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":251.2134,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.1084,"elapsed_within_tithi_degrees":4.1084},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.2134,"elapsed_within_degrees":11.2134},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.3185},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":8,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444828.770833,"ahargana":1856363.2708,"kali_year":5083,"ayanamsa_lahiri":23.5961,"grahas":{"sun":{"sidereal_longitude":115.65931999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":252.31111999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":2.2297},"mars":{"sidereal_longitude":83.07162,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":117.84042,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":164.64782000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":148.86442,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":162.66832,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":100.9405,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.9405,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444828.770833,"kali_year":5083,"ahargana":1856363.2708,"sun":{"sidereal_longitude":115.1051,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":251.2134,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.1084,"elapsed_within_tithi_degrees":4.1084},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.2134,"elapsed_within_degrees":11.2134},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.3185},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.23,"elongation":136.108},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.23,"opposition_distance":43.892}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"agra","name":"Agra, Uttar Pradesh","lat":27.1767,"lon":78.0081,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"agra","name":"Agra, Uttar Pradesh","lat":27.1767,"lon":78.0081,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:47","sunsetLocal":"18:58","solarNoonLocal":"12:23","dayLengthHours":13.188397064597346,"dayLengthDisplay":"13 Hours 11 Mins 18 Secs","nightLengthDisplay":"10 Hours 48 Mins 42 Secs","moonriseLocal":"16:18","moonsetLocal":"02:41","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"14:02","startHours":12.378446680597385,"endHours":14.026996313672054,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:26","end":"09:05","startHours":7.43279778137338,"endHours":9.081347414448048,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:44","end":"12:23","startHours":10.729897047522716,"endHours":12.378446680597385,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.861540796704759,"endHours":9.301154032191338,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.333764692656935,"endHours":6.685455281046197,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:49","startHours":11.938833445110808,"endHours":12.818059916083962,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:54","startHours":4.025795206352399,"endHours":4.905021677325555,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:47","startHours":4.685215059582267,"endHours":5.784248148298712,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:27","startHours":14.576512858030275,"endHours":15.455739329003432,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.77264521289606,"endHours":19.172645212896057,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:31","startHours":18.972645212896058,"endHours":19.52216175725428,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.722645212896058,"endHours":20.472645212896058,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:49","startHours":23.938833445110806,"endHours":24.818059916083964,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:47","end":"07:26","startHours":5.784248148298712,"endHours":7.43279778137338,"quality":"auspicious"},{"name":"Amṛta","start":"07:26","end":"09:05","startHours":7.43279778137338,"endHours":9.081347414448048,"quality":"auspicious"},{"name":"Kāla","start":"09:05","end":"10:44","startHours":9.081347414448048,"endHours":10.729897047522716,"quality":"inauspicious"},{"name":"Śubha","start":"10:44","end":"12:23","startHours":10.729897047522716,"endHours":12.378446680597385,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"14:02","startHours":12.378446680597385,"endHours":14.026996313672054,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:41","startHours":14.026996313672054,"endHours":15.675545946746722,"quality":"inauspicious"},{"name":"Chala","start":"15:41","end":"17:19","startHours":15.675545946746722,"endHours":17.32409557982139,"quality":"neutral"},{"name":"Labha","start":"17:19","end":"18:58","startHours":17.32409557982139,"endHours":18.972645212896058,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:58","end":"20:19","startHours":18.972645212896058,"endHours":20.32409557982139,"quality":"inauspicious"},{"name":"Chala","start":"20:19","end":"21:41","startHours":20.32409557982139,"endHours":21.675545946746723,"quality":"neutral"},{"name":"Labha","start":"21:41","end":"23:02","startHours":21.675545946746723,"endHours":23.026996313672054,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:23","startHours":23.026996313672054,"endHours":24.378446680597385,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"01:44","startHours":24.378446680597385,"endHours":25.729897047522716,"quality":"inauspicious"},{"name":"Śubha","start":"01:44","end":"03:05","startHours":25.729897047522716,"endHours":27.081347414448047,"quality":"auspicious"},{"name":"Roga","start":"03:05","end":"04:26","startHours":27.081347414448047,"endHours":28.43279778137338,"quality":"inauspicious"},{"name":"Udveg","start":"04:26","end":"05:47","startHours":28.43279778137338,"endHours":29.784248148298712,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.784248148298712,"endHours":6.784248148298712,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.784248148298712,"endHours":7.784248148298712,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.784248148298712,"endHours":8.784248148298712,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.784248148298712,"endHours":9.784248148298712,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.784248148298712,"endHours":10.784248148298712,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.784248148298712,"endHours":11.784248148298712,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.784248148298712,"endHours":12.784248148298712,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.784248148298712,"endHours":13.784248148298712,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.784248148298712,"endHours":14.784248148298712,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.784248148298712,"endHours":15.784248148298712,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.784248148298712,"endHours":16.784248148298712,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.784248148298712,"endHours":17.784248148298712,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.784248148298712,"endHours":18.784248148298712,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.784248148298712,"endHours":19.784248148298712,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.784248148298712,"endHours":20.784248148298712,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.784248148298712,"endHours":21.784248148298712,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.784248148298712,"endHours":22.784248148298712,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.784248148298712,"endHours":23.784248148298712,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.784248148298712,"endHours":24.784248148298712,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.784248148298712,"endHours":25.784248148298712,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.784248148298712,"endHours":26.784248148298712,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.784248148298712,"endHours":27.784248148298712,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.784248148298712,"endHours":28.784248148298712,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.784248148298712,"endHours":29.784248148298712,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"South-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.046046417837566,"eotMinutes":-4.739200835843176,"ayanamsa":23.5961}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"agra"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 12, 1981 CE · Agra, Uttar Pradesh · Vidhyamitra","description":"August 12, 1981 CE for Agra, Uttar Pradesh: Śukla Dvādaśī, sūryodaya 05:47, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/agra/1981-08-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/agra/1981-08-12","sa":"https://sa.vidhyamitra.com/city/agra/1981-08-12","hi":"https://hi.vidhyamitra.com/city/agra/1981-08-12","x-default":"https://vidhyamitra.com/city/agra/1981-08-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:41:10.612Z","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":"2026-06-02T15:41:10.612Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:41:10.612Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}