{"id":"vidhyamitra:city-day:vrindavan:1899-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1899-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1899-08-13","date_display":"August 13, 1899 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":1899,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414879.770833,"kali_year":5001,"ahargana":1826414.2708,"sun":{"sidereal_longitude":117.2232,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":194.0111,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.7879,"elapsed_within_tithi_degrees":4.7879},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.0111,"elapsed_within_degrees":7.3445},"yoga":{"number":24,"name":"Śukla","sum_longitude":311.2344},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1899,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414879.770833,"ahargana":1826414.2708,"kali_year":5001,"ayanamsa_lahiri":22.4507,"grahas":{"sun":{"sidereal_longitude":117.59049200000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":190.408992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-3.6287},"mars":{"sidereal_longitude":163.36999200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":130.25769200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":192.162192,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":109.67659200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":235.87969199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":247.7826,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":67.7826,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1899,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414879.770833,"kali_year":5001,"ahargana":1826414.2708,"sun":{"sidereal_longitude":117.2232,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":194.0111,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.7879,"elapsed_within_tithi_degrees":4.7879},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.0111,"elapsed_within_degrees":7.3445},"yoga":{"number":24,"name":"Śukla","sum_longitude":311.2344},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.629,"elongation":76.788},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.629,"opposition_distance":103.212}},"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":"05:48","sunsetLocal":"19:00","solarNoonLocal":"12:24","dayLengthHours":13.18797100408151,"dayLengthDisplay":"13 Hours 11 Mins 17 Secs","nightLengthDisplay":"10 Hours 48 Mins 43 Secs","moonriseLocal":"11:39","moonsetLocal":"22:51","rahuKala":{"name":"Rāhu Kāla","start":"17:21","end":"19:00","startHours":17.344227805500825,"endHours":18.992724181011013,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:24","end":"14:03","startHours":12.398738678970258,"endHours":14.047235054480447,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:42","end":"17:21","startHours":15.695731429990635,"endHours":17.344227805500825,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:19","startHours":8.88194641121519,"endHours":9.321545444684574,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.354251968766233,"endHours":6.70593119554174,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:50","startHours":11.959139645500874,"endHours":12.83833771243964,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:56","startHours":4.0463570430519695,"endHours":4.925555109990737,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:48","startHours":4.705755593256045,"endHours":5.804753176929504,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:29","startHours":14.596733846317177,"endHours":15.475931913255945,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.792724181011014,"endHours":19.192724181011013,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:33","startHours":18.992724181011013,"endHours":19.542222972847743,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.742724181011013,"endHours":20.492724181011013,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:50","startHours":23.959139645500873,"endHours":24.838337712439643,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:48","end":"07:27","startHours":5.804753176929504,"endHours":7.453249552439693,"quality":"inauspicious"},{"name":"Chala","start":"07:27","end":"09:06","startHours":7.453249552439693,"endHours":9.101745927949882,"quality":"neutral"},{"name":"Labha","start":"09:06","end":"10:45","startHours":9.101745927949882,"endHours":10.75024230346007,"quality":"auspicious"},{"name":"Amṛta","start":"10:45","end":"12:24","startHours":10.75024230346007,"endHours":12.398738678970258,"quality":"auspicious"},{"name":"Kāla","start":"12:24","end":"14:03","startHours":12.398738678970258,"endHours":14.047235054480447,"quality":"inauspicious"},{"name":"Śubha","start":"14:03","end":"15:42","startHours":14.047235054480447,"endHours":15.695731429990635,"quality":"auspicious"},{"name":"Roga","start":"15:42","end":"17:21","startHours":15.695731429990635,"endHours":17.344227805500825,"quality":"inauspicious"},{"name":"Udveg","start":"17:21","end":"19:00","startHours":17.344227805500825,"endHours":18.992724181011013,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:00","end":"20:21","startHours":18.992724181011013,"endHours":20.344227805500825,"quality":"auspicious"},{"name":"Roga","start":"20:21","end":"21:42","startHours":20.344227805500825,"endHours":21.695731429990637,"quality":"inauspicious"},{"name":"Udveg","start":"21:42","end":"23:03","startHours":21.695731429990637,"endHours":23.047235054480446,"quality":"inauspicious"},{"name":"Chala","start":"23:03","end":"00:24","startHours":23.047235054480446,"endHours":24.398738678970258,"quality":"neutral"},{"name":"Labha","start":"00:24","end":"01:45","startHours":24.398738678970258,"endHours":25.75024230346007,"quality":"auspicious"},{"name":"Amṛta","start":"01:45","end":"03:06","startHours":25.75024230346007,"endHours":27.10174592794988,"quality":"auspicious"},{"name":"Kāla","start":"03:06","end":"04:27","startHours":27.10174592794988,"endHours":28.453249552439694,"quality":"inauspicious"},{"name":"Śubha","start":"04:27","end":"05:48","startHours":28.453249552439694,"endHours":29.804753176929502,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.804753176929504,"endHours":6.804753176929504,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.804753176929504,"endHours":7.804753176929504,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.804753176929504,"endHours":8.804753176929504,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.804753176929504,"endHours":9.804753176929504,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.804753176929504,"endHours":10.804753176929504,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.804753176929504,"endHours":11.804753176929504,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.804753176929504,"endHours":12.804753176929504,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.804753176929504,"endHours":13.804753176929504,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.804753176929504,"endHours":14.804753176929504,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.804753176929504,"endHours":15.804753176929504,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.804753176929504,"endHours":16.804753176929502,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.804753176929502,"endHours":17.804753176929502,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.804753176929502,"endHours":18.804753176929502,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.804753176929502,"endHours":19.804753176929502,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.804753176929502,"endHours":20.804753176929502,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.804753176929502,"endHours":21.804753176929502,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.804753176929502,"endHours":22.804753176929502,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.804753176929502,"endHours":23.804753176929502,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.804753176929502,"endHours":24.804753176929502,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.804753176929502,"endHours":25.804753176929502,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.804753176929502,"endHours":26.804753176929502,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.804753176929502,"endHours":27.804753176929502,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.804753176929502,"endHours":28.804753176929502,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.804753176929502,"endHours":29.804753176929502,"planetary_lord":"Jupiter"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.799563125290533,"eotMinutes":-4.561520738215509,"ayanamsa":22.4507}},"calendars":{"vikram_samvat":1956,"vikram_samvatsara":"Paridhāvi","saka_samvat":1821,"saka_samvatsara":"Vikāri","bengali_samvat":1306,"malayalam_era":1075,"nanakshahi_year":430,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · Vikram 1956 Paridhāvi · Śaka 1821 Vikāri"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 August 13, 1899 CE · Vṛndāvana · Vidhyamitra","description":"August 13, 1899 CE for Vṛndāvana: Śukla Saptamī, sūryodaya 05:48, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1899-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1899-08-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/1899-08-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/1899-08-13","x-default":"https://vidhyamitra.com/city/vrindavan/1899-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:59:36.337Z","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":"2026-05-31T12:59:36.337Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:59:36.337Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}