{"id":"vidhyamitra:city-day:vrindavan:1866-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1866-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1866-08-16","date_display":"August 16, 1866 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":1866,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402829.770833,"kali_year":4968,"ahargana":1814364.2708,"sun":{"sidereal_longitude":120.6071,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":186.3948,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.7877,"elapsed_within_tithi_degrees":5.7877},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.3948,"elapsed_within_degrees":13.0615},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.0019},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1866,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402829.770833,"ahargana":1814364.2708,"kali_year":4968,"ayanamsa_lahiri":21.9898,"grahas":{"sun":{"sidereal_longitude":120.91209000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":185.16778999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":1.5484},"mars":{"sidereal_longitude":54.59339,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":132.09389,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":274.47029,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":164.36459000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":195.74259000000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":166.2496,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":346.2496,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1866,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402829.770833,"kali_year":4968,"ahargana":1814364.2708,"sun":{"sidereal_longitude":120.6071,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":186.3948,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.7877,"elapsed_within_tithi_degrees":5.7877},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.3948,"elapsed_within_degrees":13.0615},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.0019},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.548,"elongation":65.788},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.548,"opposition_distance":114.212}},"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":"05:50","sunsetLocal":"18:57","solarNoonLocal":"12:23","dayLengthHours":13.118532512651278,"dayLengthDisplay":"13 Hours 07 Mins 07 Secs","nightLengthDisplay":"10 Hours 52 Mins 53 Secs","moonriseLocal":"11:00","moonsetLocal":"22:21","rahuKala":{"name":"Rāhu Kāla","start":"14:02","end":"15:40","startHours":14.02869415736695,"endHours":15.668510721448357,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:50","end":"07:28","startHours":5.829611336959899,"endHours":7.469427901041309,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:07","end":"10:45","startHours":9.109244465122718,"endHours":10.749061029204128,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:20","startHours":8.89060225657853,"endHours":9.327886673666907,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.376216858320369,"endHours":6.72604439199107,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:50","startHours":11.951593176197163,"endHours":12.826162010373915,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:57","startHours":4.080473668606395,"endHours":4.955042502783147,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:50","startHours":4.736400294238959,"endHours":5.829611336959899,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:27","startHours":14.575299678727418,"endHours":15.449868512904171,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.74814384961118,"endHours":19.148143849611177,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:30","startHours":18.948143849611178,"endHours":19.494749370971647,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.698143849611178,"endHours":20.448143849611178,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:50","startHours":23.951593176197164,"endHours":24.826162010373913,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:50","end":"07:28","startHours":5.829611336959899,"endHours":7.469427901041309,"quality":"auspicious"},{"name":"Roga","start":"07:28","end":"09:07","startHours":7.469427901041309,"endHours":9.109244465122718,"quality":"inauspicious"},{"name":"Udveg","start":"09:07","end":"10:45","startHours":9.109244465122718,"endHours":10.749061029204128,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:23","startHours":10.749061029204128,"endHours":12.388877593285539,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"14:02","startHours":12.388877593285539,"endHours":14.02869415736695,"quality":"auspicious"},{"name":"Amṛta","start":"14:02","end":"15:40","startHours":14.02869415736695,"endHours":15.668510721448357,"quality":"auspicious"},{"name":"Kāla","start":"15:40","end":"17:18","startHours":15.668510721448357,"endHours":17.308327285529767,"quality":"inauspicious"},{"name":"Śubha","start":"17:18","end":"18:57","startHours":17.308327285529767,"endHours":18.948143849611178,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:57","end":"20:18","startHours":18.948143849611178,"endHours":20.308327285529767,"quality":"auspicious"},{"name":"Kāla","start":"20:18","end":"21:40","startHours":20.308327285529767,"endHours":21.668510721448357,"quality":"inauspicious"},{"name":"Śubha","start":"21:40","end":"23:02","startHours":21.668510721448357,"endHours":23.02869415736695,"quality":"auspicious"},{"name":"Roga","start":"23:02","end":"00:23","startHours":23.02869415736695,"endHours":24.38887759328554,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"01:45","startHours":24.38887759328554,"endHours":25.749061029204128,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:07","startHours":25.749061029204128,"endHours":27.10924446512272,"quality":"neutral"},{"name":"Labha","start":"03:07","end":"04:28","startHours":27.10924446512272,"endHours":28.46942790104131,"quality":"auspicious"},{"name":"Amṛta","start":"04:28","end":"05:50","startHours":28.46942790104131,"endHours":29.8296113369599,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.829611336959899,"endHours":6.829611336959899,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.829611336959899,"endHours":7.829611336959899,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.829611336959899,"endHours":8.8296113369599,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.8296113369599,"endHours":9.8296113369599,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.8296113369599,"endHours":10.8296113369599,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.8296113369599,"endHours":11.8296113369599,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.8296113369599,"endHours":12.8296113369599,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.8296113369599,"endHours":13.8296113369599,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.8296113369599,"endHours":14.8296113369599,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.8296113369599,"endHours":15.8296113369599,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.8296113369599,"endHours":16.8296113369599,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.8296113369599,"endHours":17.8296113369599,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.8296113369599,"endHours":18.8296113369599,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.8296113369599,"endHours":19.8296113369599,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.8296113369599,"endHours":20.8296113369599,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.8296113369599,"endHours":21.8296113369599,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.8296113369599,"endHours":22.8296113369599,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.8296113369599,"endHours":23.8296113369599,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.8296113369599,"endHours":24.8296113369599,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.8296113369599,"endHours":25.8296113369599,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.8296113369599,"endHours":26.8296113369599,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.8296113369599,"endHours":27.8296113369599,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.8296113369599,"endHours":28.8296113369599,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.8296113369599,"endHours":29.8296113369599,"planetary_lord":"Moon"}],"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":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.880929514220616,"eotMinutes":-3.969855597132357,"ayanamsa":21.9898}},"calendars":{"vikram_samvat":1923,"vikram_samvatsara":"Pramāthi","saka_samvat":1788,"saka_samvatsara":"Akṣaya","bengali_samvat":1273,"malayalam_era":1042,"nanakshahi_year":397,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 1923 Pramāthi · Śaka 1788 Akṣaya"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 16, 1866 CE · Vṛndāvana · Vidhyamitra","description":"August 16, 1866 CE for Vṛndāvana: Śukla Ṣaṣṭhī, sūryodaya 05:50, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1866-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1866-08-16","sa":"https://sa.vidhyamitra.com/city/vrindavan/1866-08-16","hi":"https://hi.vidhyamitra.com/city/vrindavan/1866-08-16","x-default":"https://vidhyamitra.com/city/vrindavan/1866-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:07:52.549Z","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":"2026-06-02T23:07:52.549Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:07:52.549Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}