{"id":"vidhyamitra:city-day:vrindavan:1817-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1817-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1817-07-13","date_display":"July 13, 1817 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":1817,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384898.770833,"kali_year":4919,"ahargana":1796433.2708,"sun":{"sidereal_longitude":88.9114,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":71.7254,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.8141,"elapsed_within_tithi_degrees":6.8141},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.7254,"elapsed_within_degrees":5.0588},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.6368},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1817,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384898.770833,"ahargana":1796433.2708,"kali_year":4919,"ayanamsa_lahiri":21.304,"grahas":{"sun":{"sidereal_longitude":88.90618599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":72.44958600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":2.6053},"mars":{"sidereal_longitude":17.211885999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":72.054486,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":222.265086,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":47.20728600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":315.986886,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":36.3203,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":216.3203,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1817,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384898.770833,"kali_year":4919,"ahargana":1796433.2708,"sun":{"sidereal_longitude":88.9114,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":71.7254,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.8141,"elapsed_within_tithi_degrees":6.8141},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.7254,"elapsed_within_degrees":5.0588},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.6368},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.605,"elongation":17.186},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.605,"opposition_distance":162.814}},"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":"05:32","sunsetLocal":"19:17","solarNoonLocal":"12:25","dayLengthHours":13.754827871213635,"dayLengthDisplay":"13 Hours 45 Mins 17 Secs","nightLengthDisplay":"10 Hours 14 Mins 43 Secs","moonriseLocal":"04:24","moonsetLocal":"18:14","rahuKala":{"name":"Rāhu Kāla","start":"17:34","end":"19:17","startHours":17.57013093247446,"endHours":19.289484416376162,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"14:08","startHours":12.412070480769344,"endHours":14.13142396467105,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:51","end":"17:34","startHours":15.850777448572753,"endHours":17.57013093247446,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:12","startHours":8.744116381779042,"endHours":9.20261064415283,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:06","end":"06:28","startHours":6.107774373129763,"endHours":6.474569783028793,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.953576218395556,"endHours":12.870564743143133,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:42","end":"04:37","startHours":3.7006794956673765,"endHours":4.617668020414952,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:32","startHours":4.388420889228058,"endHours":5.534656545162528,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.704541792638285,"endHours":15.62153031738586,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.089484416376163,"endHours":19.48948441637616,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:52","startHours":19.289484416376162,"endHours":19.862602244343396,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.039484416376162,"endHours":20.789484416376162,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.953576218395558,"endHours":24.87056474314313,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:32","end":"07:15","startHours":5.534656545162528,"endHours":7.254010029064232,"quality":"inauspicious"},{"name":"Chala","start":"07:15","end":"08:58","startHours":7.254010029064232,"endHours":8.973363512965935,"quality":"neutral"},{"name":"Labha","start":"08:58","end":"10:42","startHours":8.973363512965935,"endHours":10.692716996867642,"quality":"auspicious"},{"name":"Amṛta","start":"10:42","end":"12:25","startHours":10.692716996867642,"endHours":12.412070480769344,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"14:08","startHours":12.412070480769344,"endHours":14.13142396467105,"quality":"inauspicious"},{"name":"Śubha","start":"14:08","end":"15:51","startHours":14.13142396467105,"endHours":15.850777448572753,"quality":"auspicious"},{"name":"Roga","start":"15:51","end":"17:34","startHours":15.850777448572753,"endHours":17.57013093247446,"quality":"inauspicious"},{"name":"Udveg","start":"17:34","end":"19:17","startHours":17.57013093247446,"endHours":19.289484416376162,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:17","end":"20:34","startHours":19.289484416376162,"endHours":20.570130932474456,"quality":"auspicious"},{"name":"Roga","start":"20:34","end":"21:51","startHours":20.570130932474456,"endHours":21.850777448572753,"quality":"inauspicious"},{"name":"Udveg","start":"21:51","end":"23:08","startHours":21.850777448572753,"endHours":23.13142396467105,"quality":"inauspicious"},{"name":"Chala","start":"23:08","end":"00:25","startHours":23.13142396467105,"endHours":24.412070480769344,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"01:42","startHours":24.412070480769344,"endHours":25.692716996867638,"quality":"auspicious"},{"name":"Amṛta","start":"01:42","end":"02:58","startHours":25.692716996867638,"endHours":26.973363512965935,"quality":"auspicious"},{"name":"Kāla","start":"02:58","end":"04:15","startHours":26.973363512965935,"endHours":28.254010029064233,"quality":"inauspicious"},{"name":"Śubha","start":"04:15","end":"05:32","startHours":28.254010029064233,"endHours":29.534656545162527,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.534656545162528,"endHours":6.534656545162528,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.534656545162528,"endHours":7.534656545162528,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.534656545162528,"endHours":8.534656545162527,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.534656545162527,"endHours":9.534656545162527,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.534656545162527,"endHours":10.534656545162527,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.534656545162527,"endHours":11.534656545162527,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.534656545162527,"endHours":12.534656545162527,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.534656545162527,"endHours":13.534656545162527,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.534656545162527,"endHours":14.534656545162527,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.534656545162527,"endHours":15.534656545162527,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.534656545162527,"endHours":16.534656545162527,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.534656545162527,"endHours":17.534656545162527,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.534656545162527,"endHours":18.534656545162527,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.534656545162527,"endHours":19.534656545162527,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.534656545162527,"endHours":20.534656545162527,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.534656545162527,"endHours":21.534656545162527,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.534656545162527,"endHours":22.534656545162527,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.534656545162527,"endHours":23.534656545162527,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.534656545162527,"endHours":24.534656545162527,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.534656545162527,"endHours":25.534656545162527,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.534656545162527,"endHours":26.534656545162527,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.534656545162527,"endHours":27.534656545162527,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.534656545162527,"endHours":28.534656545162527,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.534656545162527,"endHours":29.534656545162527,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.915867187271047,"eotMinutes":-5.361428846160681,"ayanamsa":21.304}},"calendars":{"vikram_samvat":1874,"vikram_samvatsara":"Vikṛti","saka_samvat":1739,"saka_samvatsara":"Īśvara","bengali_samvat":1224,"malayalam_era":993,"nanakshahi_year":348,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Caturdaśī · Vikram 1874 Vikṛti · Śaka 1739 Īśvara"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 July 13, 1817 CE · Vṛndāvana · Vidhyamitra","description":"July 13, 1817 CE for Vṛndāvana: Kṛṣṇa Caturdaśī, sūryodaya 05:32, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1817-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1817-07-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/1817-07-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/1817-07-13","x-default":"https://vidhyamitra.com/city/vrindavan/1817-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T00:49:12.870Z","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":"2026-06-05T00:49:12.870Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T00:49:12.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}