{"id":"vidhyamitra:city-day:vrindavan:2000-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2000-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-09-13","date_display":"September 13, 2000 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":2000,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451800.770833,"kali_year":5102,"ahargana":1863335.2708,"sun":{"sidereal_longitude":145.9771,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":316.5894,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.6124,"elapsed_within_tithi_degrees":2.6124},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":316.5894,"elapsed_within_degrees":9.9228},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":102.5665},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":2000,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451800.770833,"ahargana":1863335.2708,"kali_year":5102,"ayanamsa_lahiri":23.8628,"grahas":{"sun":{"sidereal_longitude":146.70193800000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":317.59943799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-3.1836},"mars":{"sidereal_longitude":123.57873799999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":164.22673800000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":46.88543800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":171.96263799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":37.050937999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":91.5304,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.5304,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2000,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451800.770833,"kali_year":5102,"ahargana":1863335.2708,"sun":{"sidereal_longitude":145.9771,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":316.5894,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.6124,"elapsed_within_tithi_degrees":2.6124},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":316.5894,"elapsed_within_degrees":9.9228},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":102.5665},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.184,"elongation":170.612},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.184,"opposition_distance":9.388}},"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":"06:03","sunsetLocal":"18:26","solarNoonLocal":"12:15","dayLengthHours":12.386285012542817,"dayLengthDisplay":"12 Hours 23 Mins 11 Secs","nightLengthDisplay":"11 Hours 36 Mins 49 Secs","moonriseLocal":"17:51","moonsetLocal":"05:26","rahuKala":{"name":"Rāhu Kāla","start":"12:15","end":"13:48","startHours":12.243482151168902,"endHours":13.791767777736752,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:36","end":"09:09","startHours":7.598625271465345,"endHours":9.146910898033196,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:42","end":"12:15","startHours":10.695196524601048,"endHours":12.243482151168902,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.940472814490816,"endHours":9.353348981575577,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.566434853753442,"endHours":6.8967357874212505,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.830605984084139,"endHours":12.65635831825366,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:13","startHours":4.398834976558449,"endHours":5.224587310727971,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:03","startHours":5.0181492271855905,"endHours":6.050339644897492,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.307862986592703,"endHours":15.133615320762225,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23662465744031,"endHours":18.636624657440308,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:57","startHours":18.43662465744031,"endHours":18.95271986629626,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.18662465744031,"endHours":19.93662465744031,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.830605984084137,"endHours":24.65635831825366,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:03","end":"07:36","startHours":6.050339644897492,"endHours":7.598625271465345,"quality":"auspicious"},{"name":"Amṛta","start":"07:36","end":"09:09","startHours":7.598625271465345,"endHours":9.146910898033196,"quality":"auspicious"},{"name":"Kāla","start":"09:09","end":"10:42","startHours":9.146910898033196,"endHours":10.695196524601048,"quality":"inauspicious"},{"name":"Śubha","start":"10:42","end":"12:15","startHours":10.695196524601048,"endHours":12.243482151168902,"quality":"auspicious"},{"name":"Roga","start":"12:15","end":"13:48","startHours":12.243482151168902,"endHours":13.791767777736752,"quality":"inauspicious"},{"name":"Udveg","start":"13:48","end":"15:20","startHours":13.791767777736752,"endHours":15.340053404304605,"quality":"inauspicious"},{"name":"Chala","start":"15:20","end":"16:53","startHours":15.340053404304605,"endHours":16.88833903087246,"quality":"neutral"},{"name":"Labha","start":"16:53","end":"18:26","startHours":16.88833903087246,"endHours":18.43662465744031,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:26","end":"19:53","startHours":18.43662465744031,"endHours":19.888339030872455,"quality":"inauspicious"},{"name":"Chala","start":"19:53","end":"21:20","startHours":19.888339030872455,"endHours":21.340053404304605,"quality":"neutral"},{"name":"Labha","start":"21:20","end":"22:48","startHours":21.340053404304605,"endHours":22.79176777773675,"quality":"auspicious"},{"name":"Amṛta","start":"22:48","end":"00:15","startHours":22.79176777773675,"endHours":24.243482151168898,"quality":"auspicious"},{"name":"Kāla","start":"00:15","end":"01:42","startHours":24.243482151168898,"endHours":25.695196524601048,"quality":"inauspicious"},{"name":"Śubha","start":"01:42","end":"03:09","startHours":25.695196524601048,"endHours":27.146910898033195,"quality":"auspicious"},{"name":"Roga","start":"03:09","end":"04:36","startHours":27.146910898033195,"endHours":28.598625271465345,"quality":"inauspicious"},{"name":"Udveg","start":"04:36","end":"06:03","startHours":28.598625271465345,"endHours":30.05033964489749,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.050339644897492,"endHours":7.050339644897492,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.050339644897492,"endHours":8.050339644897491,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.050339644897491,"endHours":9.050339644897491,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.050339644897491,"endHours":10.050339644897491,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.050339644897491,"endHours":11.050339644897491,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.050339644897491,"endHours":12.050339644897491,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.050339644897491,"endHours":13.050339644897491,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.050339644897491,"endHours":14.050339644897491,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.050339644897491,"endHours":15.050339644897491,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.050339644897491,"endHours":16.05033964489749,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.05033964489749,"endHours":17.05033964489749,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.05033964489749,"endHours":18.05033964489749,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.05033964489749,"endHours":19.05033964489749,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.05033964489749,"endHours":20.05033964489749,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.05033964489749,"endHours":21.05033964489749,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.05033964489749,"endHours":22.05033964489749,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.05033964489749,"endHours":23.05033964489749,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.05033964489749,"endHours":24.05033964489749,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.05033964489749,"endHours":25.05033964489749,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.05033964489749,"endHours":26.05033964489749,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.05033964489749,"endHours":27.05033964489749,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.05033964489749,"endHours":28.05033964489749,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.05033964489749,"endHours":29.05033964489749,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.05033964489749,"endHours":30.05033964489749,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.7384237853749434,"eotMinutes":4.753870929866006,"ayanamsa":23.8628}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pūrṇimā · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 September 13, 2000 CE · Vṛndāvana · Vidhyamitra","description":"September 13, 2000 CE for Vṛndāvana: Śukla Pūrṇimā, sūryodaya 06:03, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2000-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2000-09-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/2000-09-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/2000-09-13","x-default":"https://vidhyamitra.com/city/vrindavan/2000-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T20:28:46.168Z","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":"2026-05-16T20:28:46.168Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T20:28:46.168Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}