{"id":"vidhyamitra:city-day:vrindavan:2008-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2008-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2008-09-13","date_display":"September 13, 2008 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":2008,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454722.770833,"kali_year":5110,"ahargana":1866257.2708,"sun":{"sidereal_longitude":145.909,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":296.6365,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.7275,"elapsed_within_tithi_degrees":6.7275},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.6365,"elapsed_within_degrees":3.3032},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.5456},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2008,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454722.770833,"ahargana":1866257.2708,"kali_year":5110,"ayanamsa_lahiri":23.9745,"grahas":{"sun":{"sidereal_longitude":146.65329599999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":297.82719599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":-0.0057},"mars":{"sidereal_longitude":171.80099599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":173.29249600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":259.15239599999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":172.365996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":138.85499600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":296.7087,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":116.7087,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2008,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454722.770833,"kali_year":5110,"ahargana":1866257.2708,"sun":{"sidereal_longitude":145.909,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":296.6365,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.7275,"elapsed_within_tithi_degrees":6.7275},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.6365,"elapsed_within_degrees":3.3032},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.5456},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.006,"elongation":150.727},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.006,"opposition_distance":29.273}},"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":12.384546137318342,"dayLengthDisplay":"12 Hours 23 Mins 04 Secs","nightLengthDisplay":"11 Hours 36 Mins 56 Secs","moonriseLocal":"16:47","moonsetLocal":"03:52","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:42","startHours":9.147345616839313,"endHours":10.695413884004108,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:47","end":"15:20","startHours":13.791550418333692,"endHours":15.339618685498486,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:03","end":"07:36","startHours":6.051209082509729,"endHours":7.599277349674521,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.940936514550675,"endHours":9.353754719127954,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.567231838231327,"endHours":6.897486401893149,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.830663946591622,"endHours":12.656300355746177,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:14","startHours":4.399936264200616,"endHours":5.225572673355173,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:03","startHours":5.019163571066533,"endHours":6.051209082509729,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.30757317405529,"endHours":15.133209583209847,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23575521982807,"endHours":18.63575521982807,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:57","startHours":18.43575521982807,"endHours":18.951777975549668,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.18575521982807,"endHours":19.93575521982807,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.83066394659162,"endHours":24.656300355746176,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:03","end":"07:36","startHours":6.051209082509729,"endHours":7.599277349674521,"quality":"inauspicious"},{"name":"Śubha","start":"07:36","end":"09:09","startHours":7.599277349674521,"endHours":9.147345616839313,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:42","startHours":9.147345616839313,"endHours":10.695413884004108,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:15","startHours":10.695413884004108,"endHours":12.2434821511689,"quality":"inauspicious"},{"name":"Chala","start":"12:15","end":"13:47","startHours":12.2434821511689,"endHours":13.791550418333692,"quality":"neutral"},{"name":"Labha","start":"13:47","end":"15:20","startHours":13.791550418333692,"endHours":15.339618685498486,"quality":"auspicious"},{"name":"Amṛta","start":"15:20","end":"16:53","startHours":15.339618685498486,"endHours":16.88768695266328,"quality":"auspicious"},{"name":"Kāla","start":"16:53","end":"18:26","startHours":16.88768695266328,"endHours":18.43575521982807,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:26","end":"19:53","startHours":18.43575521982807,"endHours":19.887686952663277,"quality":"auspicious"},{"name":"Amṛta","start":"19:53","end":"21:20","startHours":19.887686952663277,"endHours":21.339618685498486,"quality":"auspicious"},{"name":"Kāla","start":"21:20","end":"22:47","startHours":21.339618685498486,"endHours":22.791550418333692,"quality":"inauspicious"},{"name":"Śubha","start":"22:47","end":"00:15","startHours":22.791550418333692,"endHours":24.243482151168898,"quality":"auspicious"},{"name":"Roga","start":"00:15","end":"01:42","startHours":24.243482151168898,"endHours":25.695413884004108,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"03:09","startHours":25.695413884004108,"endHours":27.147345616839313,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:36","startHours":27.147345616839313,"endHours":28.599277349674523,"quality":"neutral"},{"name":"Labha","start":"04:36","end":"06:03","startHours":28.599277349674523,"endHours":30.05120908250973,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.051209082509729,"endHours":7.051209082509729,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.051209082509729,"endHours":8.051209082509729,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.051209082509729,"endHours":9.051209082509729,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.051209082509729,"endHours":10.051209082509729,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.051209082509729,"endHours":11.051209082509729,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.051209082509729,"endHours":12.051209082509729,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.051209082509729,"endHours":13.051209082509729,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.051209082509729,"endHours":14.051209082509729,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.051209082509729,"endHours":15.051209082509729,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.051209082509729,"endHours":16.05120908250973,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.05120908250973,"endHours":17.05120908250973,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.05120908250973,"endHours":18.05120908250973,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.05120908250973,"endHours":19.05120908250973,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.05120908250973,"endHours":20.05120908250973,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.05120908250973,"endHours":21.05120908250973,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.05120908250973,"endHours":22.05120908250973,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.05120908250973,"endHours":23.05120908250973,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.05120908250973,"endHours":24.05120908250973,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.05120908250973,"endHours":25.05120908250973,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.05120908250973,"endHours":26.05120908250973,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.05120908250973,"endHours":27.05120908250973,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.05120908250973,"endHours":28.05120908250973,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.05120908250973,"endHours":29.05120908250973,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.05120908250973,"endHours":30.05120908250973,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","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":3.7136282000312866,"eotMinutes":4.753870929866006,"ayanamsa":23.9745}},"calendars":{"vikram_samvat":2065,"vikram_samvatsara":"Plava","saka_samvat":1930,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1415,"malayalam_era":1184,"nanakshahi_year":539,"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 Trayodaśī · Vikram 2065 Plava · Śaka 1930 Sarvadhāri"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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, 2008 CE · Vṛndāvana · Vidhyamitra","description":"September 13, 2008 CE for Vṛndāvana: Śukla Trayodaśī, sūryodaya 06:03, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2008-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2008-09-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/2008-09-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/2008-09-13","x-default":"https://vidhyamitra.com/city/vrindavan/2008-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:16:42.361Z","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":"2026-06-01T16:16:42.361Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:16:42.361Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}