{"id":"vidhyamitra:city-day:vrindavan:1980-08-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1980-08-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-08-28","date_display":"August 28, 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":8,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444479.770833,"kali_year":5082,"ahargana":1856014.2708,"sun":{"sidereal_longitude":130.6827,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":334.7463,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.0636,"elapsed_within_tithi_degrees":0.0636},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.7463,"elapsed_within_degrees":1.4129},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.4289},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":8,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444479.770833,"ahargana":1856014.2708,"kali_year":5082,"ayanamsa_lahiri":23.5828,"grahas":{"sun":{"sidereal_longitude":131.30875400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":337.504054,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-2.5995},"mars":{"sidereal_longitude":185.93915400000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":133.094654,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":143.61195399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":85.73945400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":153.17645399999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":119.4322,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":299.4322,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1980,"month":8,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444479.770833,"kali_year":5082,"ahargana":1856014.2708,"sun":{"sidereal_longitude":130.6827,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":334.7463,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.0636,"elapsed_within_tithi_degrees":0.0636},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.7463,"elapsed_within_degrees":1.4129},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.4289},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.599,"elongation":155.936},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.599,"opposition_distance":24.064}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":-0.515,"opposition_distance":2.645}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:56","sunsetLocal":"18:45","solarNoonLocal":"12:20","dayLengthHours":12.811462782993432,"dayLengthDisplay":"12 Hours 48 Mins 41 Secs","nightLengthDisplay":"11 Hours 11 Mins 19 Secs","moonriseLocal":"20:01","moonsetLocal":"08:08","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:32","startHours":13.937654993223916,"endHours":15.539087841098095,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:56","end":"07:32","startHours":5.93049075385302,"endHours":7.531923601727199,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:08","end":"10:44","startHours":9.133356449601377,"endHours":10.734789297475558,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:21","startHours":8.919832069884821,"endHours":9.346880829317936,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:48","startHours":6.464301703144413,"endHours":6.805940710690904,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:46","startHours":11.909173385916622,"endHours":12.763270904782852,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:05","startHours":4.222295716120562,"endHours":5.076393234986791,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:56","startHours":4.862868855270234,"endHours":5.93049075385302,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.471465942515309,"endHours":15.325563461381538,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.541953536846453,"endHours":18.94195353684645,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.741953536846452,"endHours":19.275764486137845,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.491953536846452,"endHours":20.241953536846452,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:46","startHours":23.909173385916624,"endHours":24.76327090478285,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:56","end":"07:32","startHours":5.93049075385302,"endHours":7.531923601727199,"quality":"auspicious"},{"name":"Roga","start":"07:32","end":"09:08","startHours":7.531923601727199,"endHours":9.133356449601377,"quality":"inauspicious"},{"name":"Udveg","start":"09:08","end":"10:44","startHours":9.133356449601377,"endHours":10.734789297475558,"quality":"inauspicious"},{"name":"Chala","start":"10:44","end":"12:20","startHours":10.734789297475558,"endHours":12.336222145349737,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:56","startHours":12.336222145349737,"endHours":13.937654993223916,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:32","startHours":13.937654993223916,"endHours":15.539087841098095,"quality":"auspicious"},{"name":"Kāla","start":"15:32","end":"17:08","startHours":15.539087841098095,"endHours":17.140520688972273,"quality":"inauspicious"},{"name":"Śubha","start":"17:08","end":"18:45","startHours":17.140520688972273,"endHours":18.741953536846452,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:45","end":"20:08","startHours":18.741953536846452,"endHours":20.140520688972273,"quality":"auspicious"},{"name":"Kāla","start":"20:08","end":"21:32","startHours":20.140520688972273,"endHours":21.539087841098095,"quality":"inauspicious"},{"name":"Śubha","start":"21:32","end":"22:56","startHours":21.539087841098095,"endHours":22.937654993223916,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:20","startHours":22.937654993223916,"endHours":24.336222145349737,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"01:44","startHours":24.336222145349737,"endHours":25.734789297475558,"quality":"inauspicious"},{"name":"Chala","start":"01:44","end":"03:08","startHours":25.734789297475558,"endHours":27.13335644960138,"quality":"neutral"},{"name":"Labha","start":"03:08","end":"04:32","startHours":27.13335644960138,"endHours":28.5319236017272,"quality":"auspicious"},{"name":"Amṛta","start":"04:32","end":"05:56","startHours":28.5319236017272,"endHours":29.93049075385302,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.93049075385302,"endHours":6.93049075385302,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.93049075385302,"endHours":7.93049075385302,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.93049075385302,"endHours":8.93049075385302,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.93049075385302,"endHours":9.93049075385302,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.93049075385302,"endHours":10.93049075385302,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.93049075385302,"endHours":11.93049075385302,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.93049075385302,"endHours":12.93049075385302,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.93049075385302,"endHours":13.93049075385302,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.93049075385302,"endHours":14.93049075385302,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.93049075385302,"endHours":15.93049075385302,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.93049075385302,"endHours":16.93049075385302,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.93049075385302,"endHours":17.93049075385302,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.93049075385302,"endHours":18.93049075385302,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.93049075385302,"endHours":19.93049075385302,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.93049075385302,"endHours":20.93049075385302,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.93049075385302,"endHours":21.93049075385302,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.93049075385302,"endHours":22.93049075385302,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.93049075385302,"endHours":23.93049075385302,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.93049075385302,"endHours":24.93049075385302,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.93049075385302,"endHours":25.93049075385302,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.93049075385302,"endHours":26.93049075385302,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.93049075385302,"endHours":27.93049075385302,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.93049075385302,"endHours":28.93049075385302,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.93049075385302,"endHours":29.93049075385302,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.716368467340184,"eotMinutes":-0.8105287209842176,"ayanamsa":23.5828}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Tṛtīyā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 28, 1980 CE · Vṛndāvana · Vidhyamitra","description":"August 28, 1980 CE for Vṛndāvana: Kṛṣṇa Tṛtīyā, sūryodaya 05:56, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1980-08-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1980-08-28","sa":"https://sa.vidhyamitra.com/city/vrindavan/1980-08-28","hi":"https://hi.vidhyamitra.com/city/vrindavan/1980-08-28","x-default":"https://vidhyamitra.com/city/vrindavan/1980-08-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:16:32.773Z","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":"2026-06-01T02:16:32.773Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:16:32.773Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}