{"id":"vidhyamitra:city-day:vrindavan:2107-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2107-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-09-18","date_display":"September 18, 2107 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":2107,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490885.770833,"kali_year":5209,"ahargana":1902420.2708,"sun":{"sidereal_longitude":148.2252,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":162.7977,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.5725,"elapsed_within_tithi_degrees":2.5725},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.7977,"elapsed_within_degrees":2.7977},"yoga":{"number":24,"name":"Śukla","sum_longitude":311.0229},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2107,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490885.770833,"ahargana":1902420.2708,"kali_year":5209,"ayanamsa_lahiri":25.3576,"grahas":{"sun":{"sidereal_longitude":149.21520399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":163.73390399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-1.3759},"mars":{"sidereal_longitude":101.89620400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":171.17150400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":53.91880400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":163.65110400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":254.66730400000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":180.619,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":0.619,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2107,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490885.770833,"kali_year":5209,"ahargana":1902420.2708,"sun":{"sidereal_longitude":148.2252,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":162.7977,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.5725,"elapsed_within_tithi_degrees":2.5725},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.7977,"elapsed_within_degrees":2.7977},"yoga":{"number":24,"name":"Śukla","sum_longitude":311.0229},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.376,"elongation":14.573},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.376,"opposition_distance":165.427}},"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":"06:04","sunsetLocal":"18:21","solarNoonLocal":"12:13","dayLengthHours":12.275553821725026,"dayLengthDisplay":"12 Hours 16 Mins 32 Secs","nightLengthDisplay":"11 Hours 43 Mins 28 Secs","moonriseLocal":"07:16","moonsetLocal":"19:06","rahuKala":{"name":"Rāhu Kāla","start":"16:49","end":"18:21","startHours":16.81587898025231,"endHours":18.35032320796794,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:45","startHours":12.212546297105426,"endHours":13.746990524821054,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:17","end":"16:49","startHours":15.281434752536683,"endHours":16.81587898025231,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.939065277978752,"endHours":9.348250405369587,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.586250795481456,"endHours":6.913598897394124,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.803361169714591,"endHours":12.62173142449626,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:15","startHours":4.438028876679577,"endHours":5.2563991314612455,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:04","startHours":5.051806567765828,"endHours":6.074769386242914,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:05","startHours":14.258471934059596,"endHours":15.076842188841264,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.15032320796794,"endHours":18.55032320796794,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.35032320796794,"endHours":18.86180461720648,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.10032320796794,"endHours":19.85032320796794,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.80336116971459,"endHours":24.62173142449626,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:04","end":"07:37","startHours":6.074769386242914,"endHours":7.609213613958542,"quality":"inauspicious"},{"name":"Chala","start":"07:37","end":"09:09","startHours":7.609213613958542,"endHours":9.14365784167417,"quality":"neutral"},{"name":"Labha","start":"09:09","end":"10:41","startHours":9.14365784167417,"endHours":10.678102069389798,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:13","startHours":10.678102069389798,"endHours":12.212546297105426,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:45","startHours":12.212546297105426,"endHours":13.746990524821054,"quality":"inauspicious"},{"name":"Śubha","start":"13:45","end":"15:17","startHours":13.746990524821054,"endHours":15.281434752536683,"quality":"auspicious"},{"name":"Roga","start":"15:17","end":"16:49","startHours":15.281434752536683,"endHours":16.81587898025231,"quality":"inauspicious"},{"name":"Udveg","start":"16:49","end":"18:21","startHours":16.81587898025231,"endHours":18.35032320796794,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:21","end":"19:49","startHours":18.35032320796794,"endHours":19.81587898025231,"quality":"auspicious"},{"name":"Roga","start":"19:49","end":"21:17","startHours":19.81587898025231,"endHours":21.281434752536683,"quality":"inauspicious"},{"name":"Udveg","start":"21:17","end":"22:45","startHours":21.281434752536683,"endHours":22.746990524821054,"quality":"inauspicious"},{"name":"Chala","start":"22:45","end":"00:13","startHours":22.746990524821054,"endHours":24.212546297105426,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:41","startHours":24.212546297105426,"endHours":25.678102069389798,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:09","startHours":25.678102069389798,"endHours":27.14365784167417,"quality":"auspicious"},{"name":"Kāla","start":"03:09","end":"04:37","startHours":27.14365784167417,"endHours":28.60921361395854,"quality":"inauspicious"},{"name":"Śubha","start":"04:37","end":"06:04","startHours":28.60921361395854,"endHours":30.074769386242913,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.074769386242914,"endHours":7.074769386242914,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.074769386242914,"endHours":8.074769386242913,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.074769386242913,"endHours":9.074769386242913,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.074769386242913,"endHours":10.074769386242913,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.074769386242913,"endHours":11.074769386242913,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.074769386242913,"endHours":12.074769386242913,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.074769386242913,"endHours":13.074769386242913,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.074769386242913,"endHours":14.074769386242913,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.074769386242913,"endHours":15.074769386242913,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.074769386242913,"endHours":16.074769386242913,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.074769386242913,"endHours":17.074769386242913,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.074769386242913,"endHours":18.074769386242913,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.074769386242913,"endHours":19.074769386242913,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.074769386242913,"endHours":20.074769386242913,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.074769386242913,"endHours":21.074769386242913,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.074769386242913,"endHours":22.074769386242913,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.074769386242913,"endHours":23.074769386242913,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.074769386242913,"endHours":24.074769386242913,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.074769386242913,"endHours":25.074769386242913,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.074769386242913,"endHours":26.074769386242913,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.074769386242913,"endHours":27.074769386242913,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.074769386242913,"endHours":28.074769386242913,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.074769386242913,"endHours":29.074769386242913,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.074769386242913,"endHours":30.074769386242913,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","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":2.155854226795877,"eotMinutes":6.610022173674397,"ayanamsa":25.3576}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"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 Dvitīyā · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"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 September 18, 2107 CE · Vṛndāvana · Vidhyamitra","description":"September 18, 2107 CE for Vṛndāvana: Śukla Dvitīyā, sūryodaya 06:04, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2107-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2107-09-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/2107-09-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/2107-09-18","x-default":"https://vidhyamitra.com/city/vrindavan/2107-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:59:10.511Z","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":"2026-06-02T05:59:10.511Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:59:10.511Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}