{"id":"vidhyamitra:city-day:vrindavan:2131-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2131-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-09-07","date_display":"September 7, 2131 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":2131,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499640.770833,"kali_year":5233,"ahargana":1911175.2708,"sun":{"sidereal_longitude":137.3604,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":312.1768,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.8164,"elapsed_within_tithi_degrees":6.8164},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":312.1768,"elapsed_within_degrees":5.5101},"yoga":{"number":7,"name":"Sukarma","sum_longitude":89.5372},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2131,"month":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499640.770833,"ahargana":1911175.2708,"kali_year":5233,"ayanamsa_lahiri":25.6925,"grahas":{"sun":{"sidereal_longitude":138.37899800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":314.233198,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-3.7047},"mars":{"sidereal_longitude":16.939397999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":141.20799799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":60.706898000000024,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":151.37989800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":194.54459799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":76.7369,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":256.7369,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva 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":2131,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499640.770833,"kali_year":5233,"ahargana":1911175.2708,"sun":{"sidereal_longitude":137.3604,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":312.1768,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.8164,"elapsed_within_tithi_degrees":6.8164},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":312.1768,"elapsed_within_degrees":5.5101},"yoga":{"number":7,"name":"Sukarma","sum_longitude":89.5372},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.705,"elongation":174.816},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.705,"opposition_distance":5.184}},"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":"06:00","sunsetLocal":"18:34","solarNoonLocal":"12:17","dayLengthHours":12.564453184190036,"dayLengthDisplay":"12 Hours 33 Mins 52 Secs","nightLengthDisplay":"11 Hours 26 Mins 08 Secs","moonriseLocal":"18:14","moonsetLocal":"05:46","rahuKala":{"name":"Rāhu Kāla","start":"10:43","end":"12:17","startHours":10.709521702458868,"endHours":12.280078350482622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:25","end":"17:00","startHours":15.421191646530133,"endHours":16.991748294553886,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:34","end":"09:08","startHours":7.5684084064113595,"endHours":9.138965054435115,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.92955750136528,"endHours":9.348372607504949,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:51","startHours":6.52137064106219,"endHours":6.856422725973925,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:42","startHours":11.861263244342954,"endHours":12.69889345662229,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:10","startHours":4.3225913338289335,"endHours":5.16022154610827,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:00","startHours":4.950813993038436,"endHours":5.997851758387605,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.374153881180963,"endHours":15.211784093460299,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.36230494257764,"endHours":18.76230494257764,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:05","startHours":18.56230494257764,"endHours":19.085823825252223,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.31230494257764,"endHours":20.06230494257764,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:42","startHours":23.861263244342954,"endHours":24.69889345662229,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:00","end":"07:34","startHours":5.997851758387605,"endHours":7.5684084064113595,"quality":"neutral"},{"name":"Labha","start":"07:34","end":"09:08","startHours":7.5684084064113595,"endHours":9.138965054435115,"quality":"auspicious"},{"name":"Amṛta","start":"09:08","end":"10:43","startHours":9.138965054435115,"endHours":10.709521702458868,"quality":"auspicious"},{"name":"Kāla","start":"10:43","end":"12:17","startHours":10.709521702458868,"endHours":12.280078350482622,"quality":"inauspicious"},{"name":"Śubha","start":"12:17","end":"13:51","startHours":12.280078350482622,"endHours":13.850634998506377,"quality":"auspicious"},{"name":"Roga","start":"13:51","end":"15:25","startHours":13.850634998506377,"endHours":15.421191646530133,"quality":"inauspicious"},{"name":"Udveg","start":"15:25","end":"17:00","startHours":15.421191646530133,"endHours":16.991748294553886,"quality":"inauspicious"},{"name":"Chala","start":"17:00","end":"18:34","startHours":16.991748294553886,"endHours":18.56230494257764,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:34","end":"20:00","startHours":18.56230494257764,"endHours":19.991748294553886,"quality":"inauspicious"},{"name":"Udveg","start":"20:00","end":"21:25","startHours":19.991748294553886,"endHours":21.421191646530133,"quality":"inauspicious"},{"name":"Chala","start":"21:25","end":"22:51","startHours":21.421191646530133,"endHours":22.850634998506376,"quality":"neutral"},{"name":"Labha","start":"22:51","end":"00:17","startHours":22.850634998506376,"endHours":24.280078350482622,"quality":"auspicious"},{"name":"Amṛta","start":"00:17","end":"01:43","startHours":24.280078350482622,"endHours":25.70952170245887,"quality":"auspicious"},{"name":"Kāla","start":"01:43","end":"03:08","startHours":25.70952170245887,"endHours":27.13896505443511,"quality":"inauspicious"},{"name":"Śubha","start":"03:08","end":"04:34","startHours":27.13896505443511,"endHours":28.568408406411358,"quality":"auspicious"},{"name":"Roga","start":"04:34","end":"06:00","startHours":28.568408406411358,"endHours":29.997851758387604,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.997851758387605,"endHours":6.997851758387605,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.997851758387605,"endHours":7.997851758387605,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.997851758387605,"endHours":8.997851758387604,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.997851758387604,"endHours":9.997851758387604,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.997851758387604,"endHours":10.997851758387604,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.997851758387604,"endHours":11.997851758387604,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.997851758387604,"endHours":12.997851758387604,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.997851758387604,"endHours":13.997851758387604,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.997851758387604,"endHours":14.997851758387604,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.997851758387604,"endHours":15.997851758387604,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.997851758387604,"endHours":16.997851758387604,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.997851758387604,"endHours":17.997851758387604,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.997851758387604,"endHours":18.997851758387604,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.997851758387604,"endHours":19.997851758387604,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.997851758387604,"endHours":20.997851758387604,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.997851758387604,"endHours":21.997851758387604,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.997851758387604,"endHours":22.997851758387604,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.997851758387604,"endHours":23.997851758387604,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.997851758387604,"endHours":24.997851758387604,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.997851758387604,"endHours":25.997851758387604,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.997851758387604,"endHours":26.997851758387604,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.997851758387604,"endHours":27.997851758387604,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.997851758387604,"endHours":28.997851758387604,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.997851758387604,"endHours":29.997851758387604,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.266477329957873,"eotMinutes":2.5580989710426816,"ayanamsa":25.6925}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","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 Śukla Pūrṇimā · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 7, 2131 CE · Vṛndāvana · Vidhyamitra","description":"September 7, 2131 CE for Vṛndāvana: Śukla Pūrṇimā, sūryodaya 06:00, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2131-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2131-09-07","sa":"https://sa.vidhyamitra.com/city/vrindavan/2131-09-07","hi":"https://hi.vidhyamitra.com/city/vrindavan/2131-09-07","x-default":"https://vidhyamitra.com/city/vrindavan/2131-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:42:05.936Z","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":"2026-05-31T14:42:05.936Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:42:05.936Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}