{"id":"vidhyamitra:city-day:vrindavan:1986-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1986-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-05-31","date_display":"May 31, 1986 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":1986,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446581.770833,"kali_year":5088,"ahargana":1858116.2708,"sun":{"sidereal_longitude":45.5651,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":318.3966,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.8315,"elapsed_within_tithi_degrees":8.8315},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.3966,"elapsed_within_degrees":11.7299},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":3.9616},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1986,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446581.770833,"ahargana":1858116.2708,"kali_year":5088,"ayanamsa_lahiri":23.6632,"grahas":{"sun":{"sidereal_longitude":45.651441999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":321.638142,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.4286},"mars":{"sidereal_longitude":269.141942,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":55.43874199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":327.2247420000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":77.89064200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":222.18874200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":8.0581,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":188.0581,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1986,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446581.770833,"kali_year":5088,"ahargana":1858116.2708,"sun":{"sidereal_longitude":45.5651,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":318.3966,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.8315,"elapsed_within_tithi_degrees":8.8315},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.3966,"elapsed_within_degrees":11.7299},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":3.9616},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.429,"elongation":87.169},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.429,"opposition_distance":92.831}},"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":"05:24","sunsetLocal":"19:09","solarNoonLocal":"12:17","dayLengthHours":13.748853330687503,"dayLengthDisplay":"13 Hours 44 Mins 56 Secs","nightLengthDisplay":"10 Hours 15 Mins 04 Secs","moonriseLocal":"00:50","moonsetLocal":"12:31","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:34","startHours":8.843840554692463,"endHours":10.5624472210284,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:00","end":"15:43","startHours":13.999660553700274,"endHours":15.718267220036214,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:24","end":"07:08","startHours":5.406627222020586,"endHours":7.125233888356524,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.614692999181003,"endHours":9.07298811020392,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:21","startHours":5.979496110799232,"endHours":6.346132199617566,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:44","startHours":11.82275877634142,"endHours":12.739348998387253,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:29","startHours":3.573446777928919,"endHours":4.490036999974753,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:24","startHours":4.260889444463294,"endHours":5.406627222020586,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:29","startHours":14.57252944247892,"endHours":15.489119664524754,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.95548055270809,"endHours":19.355480552708087,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:44","startHours":19.155480552708088,"endHours":19.728349441486735,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.905480552708088,"endHours":20.655480552708088,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:44","startHours":23.82275877634142,"endHours":24.739348998387253,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:24","end":"07:08","startHours":5.406627222020586,"endHours":7.125233888356524,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:51","startHours":7.125233888356524,"endHours":8.843840554692463,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:34","startHours":8.843840554692463,"endHours":10.5624472210284,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:17","startHours":10.5624472210284,"endHours":12.281053887364337,"quality":"inauspicious"},{"name":"Chala","start":"12:17","end":"14:00","startHours":12.281053887364337,"endHours":13.999660553700274,"quality":"neutral"},{"name":"Labha","start":"14:00","end":"15:43","startHours":13.999660553700274,"endHours":15.718267220036214,"quality":"auspicious"},{"name":"Amṛta","start":"15:43","end":"17:26","startHours":15.718267220036214,"endHours":17.43687388637215,"quality":"auspicious"},{"name":"Kāla","start":"17:26","end":"19:09","startHours":17.43687388637215,"endHours":19.155480552708088,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:09","end":"20:26","startHours":19.155480552708088,"endHours":20.43687388637215,"quality":"auspicious"},{"name":"Amṛta","start":"20:26","end":"21:43","startHours":20.43687388637215,"endHours":21.71826722003621,"quality":"auspicious"},{"name":"Kāla","start":"21:43","end":"23:00","startHours":21.71826722003621,"endHours":22.999660553700274,"quality":"inauspicious"},{"name":"Śubha","start":"23:00","end":"00:17","startHours":22.999660553700274,"endHours":24.281053887364337,"quality":"auspicious"},{"name":"Roga","start":"00:17","end":"01:34","startHours":24.281053887364337,"endHours":25.5624472210284,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"02:51","startHours":25.5624472210284,"endHours":26.843840554692463,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:08","startHours":26.843840554692463,"endHours":28.125233888356522,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:24","startHours":28.125233888356522,"endHours":29.406627222020585,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.406627222020586,"endHours":6.406627222020586,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.406627222020586,"endHours":7.406627222020586,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.406627222020586,"endHours":8.406627222020585,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.406627222020585,"endHours":9.406627222020585,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.406627222020585,"endHours":10.406627222020585,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.406627222020585,"endHours":11.406627222020585,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.406627222020585,"endHours":12.406627222020585,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.406627222020585,"endHours":13.406627222020585,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.406627222020585,"endHours":14.406627222020585,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.406627222020585,"endHours":15.406627222020585,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.406627222020585,"endHours":16.406627222020585,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.406627222020585,"endHours":17.406627222020585,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.406627222020585,"endHours":18.406627222020585,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.406627222020585,"endHours":19.406627222020585,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.406627222020585,"endHours":20.406627222020585,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.406627222020585,"endHours":21.406627222020585,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.406627222020585,"endHours":22.406627222020585,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.406627222020585,"endHours":23.406627222020585,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.406627222020585,"endHours":24.406627222020585,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.406627222020585,"endHours":25.406627222020585,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.406627222020585,"endHours":26.406627222020585,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.406627222020585,"endHours":27.406627222020585,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.406627222020585,"endHours":28.406627222020585,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.406627222020585,"endHours":29.406627222020585,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.84471728760581,"eotMinutes":2.4995667581397525,"ayanamsa":23.6632}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"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":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Aṣṭamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 31, 1986 CE · Vṛndāvana · Vidhyamitra","description":"May 31, 1986 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 05:24, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1986-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1986-05-31","sa":"https://sa.vidhyamitra.com/city/vrindavan/1986-05-31","hi":"https://hi.vidhyamitra.com/city/vrindavan/1986-05-31","x-default":"https://vidhyamitra.com/city/vrindavan/1986-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:55:22.581Z","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":"2026-06-02T02:55:22.581Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:55:22.581Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}