{"id":"vidhyamitra:city-day:vrindavan:1917-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1917-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1917-08-18","date_display":"August 18, 1917 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":1917,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421458.770833,"kali_year":5019,"ahargana":1832993.2708,"sun":{"sidereal_longitude":121.3761,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":125.7883,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.4122,"elapsed_within_tithi_degrees":4.4122},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.7883,"elapsed_within_degrees":5.7883},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.1643},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1917,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421458.770833,"ahargana":1832993.2708,"kali_year":5019,"ayanamsa_lahiri":22.7023,"grahas":{"sun":{"sidereal_longitude":121.807726,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":124.728926,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-3.2676},"mars":{"sidereal_longitude":82.24712599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":149.771926,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":46.419126000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":153.06152599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":104.67222600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":259.1955,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":79.1955,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1917,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421458.770833,"kali_year":5019,"ahargana":1832993.2708,"sun":{"sidereal_longitude":121.3761,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":125.7883,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.4122,"elapsed_within_tithi_degrees":4.4122},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.7883,"elapsed_within_degrees":5.7883},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.1643},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.268,"elongation":4.412},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.268,"opposition_distance":175.588}},"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":"05:51","sunsetLocal":"18:55","solarNoonLocal":"12:23","dayLengthHours":13.078749383742206,"dayLengthDisplay":"13 Hours 04 Mins 43 Secs","nightLengthDisplay":"10 Hours 55 Mins 17 Secs","moonriseLocal":"06:06","moonsetLocal":"19:04","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:45","startHours":9.111826949412954,"endHours":10.74667062238073,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:01","end":"15:39","startHours":14.016357968316282,"endHours":15.651201641284057,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:51","end":"07:29","startHours":5.842139603477404,"endHours":7.476983276445179,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.893847793017251,"endHours":9.32980610580866,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.3870874944666625,"endHours":6.735854144699788,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:49","startHours":11.9455559825571,"endHours":12.817472608139912,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.098306352311776,"endHours":4.97022297789459,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:51","startHours":4.752243821498887,"endHours":5.842139603477404,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:26","startHours":14.561305859305541,"endHours":15.433222484888356,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.72088898721961,"endHours":19.120888987219608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.92088898721961,"endHours":19.46583687820887,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.67088898721961,"endHours":20.42088898721961,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:49","startHours":23.9455559825571,"endHours":24.817472608139912,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:51","end":"07:29","startHours":5.842139603477404,"endHours":7.476983276445179,"quality":"inauspicious"},{"name":"Śubha","start":"07:29","end":"09:07","startHours":7.476983276445179,"endHours":9.111826949412954,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:45","startHours":9.111826949412954,"endHours":10.74667062238073,"quality":"inauspicious"},{"name":"Udveg","start":"10:45","end":"12:23","startHours":10.74667062238073,"endHours":12.381514295348506,"quality":"inauspicious"},{"name":"Chala","start":"12:23","end":"14:01","startHours":12.381514295348506,"endHours":14.016357968316282,"quality":"neutral"},{"name":"Labha","start":"14:01","end":"15:39","startHours":14.016357968316282,"endHours":15.651201641284057,"quality":"auspicious"},{"name":"Amṛta","start":"15:39","end":"17:17","startHours":15.651201641284057,"endHours":17.286045314251833,"quality":"auspicious"},{"name":"Kāla","start":"17:17","end":"18:55","startHours":17.286045314251833,"endHours":18.92088898721961,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:55","end":"20:17","startHours":18.92088898721961,"endHours":20.286045314251833,"quality":"auspicious"},{"name":"Amṛta","start":"20:17","end":"21:39","startHours":20.286045314251833,"endHours":21.651201641284057,"quality":"auspicious"},{"name":"Kāla","start":"21:39","end":"23:01","startHours":21.651201641284057,"endHours":23.01635796831628,"quality":"inauspicious"},{"name":"Śubha","start":"23:01","end":"00:23","startHours":23.01635796831628,"endHours":24.381514295348506,"quality":"auspicious"},{"name":"Roga","start":"00:23","end":"01:45","startHours":24.381514295348506,"endHours":25.74667062238073,"quality":"inauspicious"},{"name":"Udveg","start":"01:45","end":"03:07","startHours":25.74667062238073,"endHours":27.111826949412954,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:29","startHours":27.111826949412954,"endHours":28.47698327644518,"quality":"neutral"},{"name":"Labha","start":"04:29","end":"05:51","startHours":28.47698327644518,"endHours":29.842139603477403,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.842139603477404,"endHours":6.842139603477404,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.842139603477404,"endHours":7.842139603477404,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.842139603477404,"endHours":8.842139603477403,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.842139603477403,"endHours":9.842139603477403,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.842139603477403,"endHours":10.842139603477403,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.842139603477403,"endHours":11.842139603477403,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.842139603477403,"endHours":12.842139603477403,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.842139603477403,"endHours":13.842139603477403,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.842139603477403,"endHours":14.842139603477403,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.842139603477403,"endHours":15.842139603477403,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.842139603477403,"endHours":16.842139603477403,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.842139603477403,"endHours":17.842139603477403,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.842139603477403,"endHours":18.842139603477403,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.842139603477403,"endHours":19.842139603477403,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.842139603477403,"endHours":20.842139603477403,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.842139603477403,"endHours":21.842139603477403,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.842139603477403,"endHours":22.842139603477403,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.842139603477403,"endHours":23.842139603477403,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.842139603477403,"endHours":24.842139603477403,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.842139603477403,"endHours":25.842139603477403,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.842139603477403,"endHours":26.842139603477403,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.842139603477403,"endHours":27.842139603477403,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.842139603477403,"endHours":28.842139603477403,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.842139603477403,"endHours":29.842139603477403,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.350520753873786,"eotMinutes":-3.5280577209103767,"ayanamsa":22.7023}},"calendars":{"vikram_samvat":1974,"vikram_samvatsara":"Pramoda","saka_samvat":1839,"saka_samvatsara":"Piṅgala","bengali_samvat":1324,"malayalam_era":1093,"nanakshahi_year":448,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Śukla Pratipada · Vikram 1974 Pramoda · Śaka 1839 Piṅgala"},"festivals":[],"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 August 18, 1917 CE · Vṛndāvana · Vidhyamitra","description":"August 18, 1917 CE for Vṛndāvana: Śukla Pratipada, sūryodaya 05:51, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1917-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1917-08-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/1917-08-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/1917-08-18","x-default":"https://vidhyamitra.com/city/vrindavan/1917-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:57:59.364Z","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":"2026-06-02T11:57:59.364Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:57:59.364Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}