{"id":"vidhyamitra:city-day:vrindavan:1980-05-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1980-05-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-05-08","date_display":"May 8, 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":5,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444367.770833,"kali_year":5082,"ahargana":1855902.2708,"sun":{"sidereal_longitude":24.0952,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":299.0517,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.9565,"elapsed_within_tithi_degrees":10.9565},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":299.0517,"elapsed_within_degrees":5.7184},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.1469},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":5,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444367.770833,"ahargana":1855902.2708,"kali_year":5082,"ayanamsa_lahiri":23.5785,"grahas":{"sun":{"sidereal_longitude":24.028133000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":296.20683299999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":0.4945},"mars":{"sidereal_longitude":127.837133,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":17.83273300000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":126.73323299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":64.49893300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":146.598033,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":125.3665,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.3665,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"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":5,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444367.770833,"kali_year":5082,"ahargana":1855902.2708,"sun":{"sidereal_longitude":24.0952,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":299.0517,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.9565,"elapsed_within_tithi_degrees":10.9565},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":299.0517,"elapsed_within_degrees":5.7184},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.1469},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.494,"elongation":85.043},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.494,"opposition_distance":94.957}},"eclipse_window_40days":[]},"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":"05:35","sunsetLocal":"18:57","solarNoonLocal":"12:16","dayLengthHours":13.36374661801451,"dayLengthDisplay":"13 Hours 21 Mins 49 Secs","nightLengthDisplay":"10 Hours 38 Mins 11 Secs","moonriseLocal":"00:54","moonsetLocal":"11:55","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:36","startHours":13.933573808553302,"endHours":15.604042135805114,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:35","end":"07:15","startHours":5.581232172294232,"endHours":7.251700499546046,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:55","end":"10:36","startHours":8.92216882679786,"endHours":10.592637154049672,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:09","startHours":8.699439716497618,"endHours":9.1448979370981,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.138054948044837,"endHours":6.494421524525224,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:43","startHours":11.817647260701003,"endHours":12.708563701901971,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:41","startHours":3.7993992898922975,"endHours":4.690315731093265,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:35","startHours":4.467586620793023,"endHours":5.581232172294232,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.490396584303905,"endHours":15.381313025504873,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.744978790308743,"endHours":19.14497879030874,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:30","startHours":18.944978790308742,"endHours":19.501801566059346,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.694978790308742,"endHours":20.444978790308742,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:43","startHours":23.817647260701005,"endHours":24.70856370190197,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:35","end":"07:15","startHours":5.581232172294232,"endHours":7.251700499546046,"quality":"auspicious"},{"name":"Roga","start":"07:15","end":"08:55","startHours":7.251700499546046,"endHours":8.92216882679786,"quality":"inauspicious"},{"name":"Udveg","start":"08:55","end":"10:36","startHours":8.92216882679786,"endHours":10.592637154049672,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:16","startHours":10.592637154049672,"endHours":12.263105481301487,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:56","startHours":12.263105481301487,"endHours":13.933573808553302,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:36","startHours":13.933573808553302,"endHours":15.604042135805114,"quality":"auspicious"},{"name":"Kāla","start":"15:36","end":"17:16","startHours":15.604042135805114,"endHours":17.274510463056927,"quality":"inauspicious"},{"name":"Śubha","start":"17:16","end":"18:57","startHours":17.274510463056927,"endHours":18.944978790308742,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:57","end":"20:16","startHours":18.944978790308742,"endHours":20.274510463056927,"quality":"auspicious"},{"name":"Kāla","start":"20:16","end":"21:36","startHours":20.274510463056927,"endHours":21.604042135805116,"quality":"inauspicious"},{"name":"Śubha","start":"21:36","end":"22:56","startHours":21.604042135805116,"endHours":22.9335738085533,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:16","startHours":22.9335738085533,"endHours":24.263105481301487,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:36","startHours":24.263105481301487,"endHours":25.592637154049672,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"02:55","startHours":25.592637154049672,"endHours":26.922168826797858,"quality":"neutral"},{"name":"Labha","start":"02:55","end":"04:15","startHours":26.922168826797858,"endHours":28.251700499546047,"quality":"auspicious"},{"name":"Amṛta","start":"04:15","end":"05:35","startHours":28.251700499546047,"endHours":29.581232172294232,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.581232172294232,"endHours":6.581232172294232,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.581232172294232,"endHours":7.581232172294232,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.581232172294232,"endHours":8.581232172294232,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.581232172294232,"endHours":9.581232172294232,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.581232172294232,"endHours":10.581232172294232,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.581232172294232,"endHours":11.581232172294232,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.581232172294232,"endHours":12.581232172294232,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.581232172294232,"endHours":13.581232172294232,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.581232172294232,"endHours":14.581232172294232,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.581232172294232,"endHours":15.581232172294232,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.581232172294232,"endHours":16.581232172294232,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.581232172294232,"endHours":17.581232172294232,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.581232172294232,"endHours":18.581232172294232,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.581232172294232,"endHours":19.581232172294232,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.581232172294232,"endHours":20.581232172294232,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.581232172294232,"endHours":21.581232172294232,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.581232172294232,"endHours":22.581232172294232,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.581232172294232,"endHours":23.581232172294232,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.581232172294232,"endHours":24.581232172294232,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.581232172294232,"endHours":25.581232172294232,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.581232172294232,"endHours":26.581232172294232,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.581232172294232,"endHours":27.581232172294232,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.581232172294232,"endHours":28.581232172294232,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.581232172294232,"endHours":29.581232172294232,"planetary_lord":"Moon"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.081920075229913,"eotMinutes":3.576471121910833,"ayanamsa":23.5785}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Aṣṭamī · 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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 May 8, 1980 CE · Vṛndāvana · Vidhyamitra","description":"May 8, 1980 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 05:35, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1980-05-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1980-05-08","sa":"https://sa.vidhyamitra.com/city/vrindavan/1980-05-08","hi":"https://hi.vidhyamitra.com/city/vrindavan/1980-05-08","x-default":"https://vidhyamitra.com/city/vrindavan/1980-05-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:38:43.378Z","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":"2026-06-01T21:38:43.378Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:38:43.378Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}