{"id":"vidhyamitra:city-day:vrindavan:2109-01-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2109-01-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2109-01-09","date_display":"January 9, 2109 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":2109,"month":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491364.770833,"kali_year":5210,"ahargana":1902899.2708,"sun":{"sidereal_longitude":262.8128,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":351.611,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.7982,"elapsed_within_tithi_degrees":4.7982},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.611,"elapsed_within_degrees":4.9443},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.4238},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2109,"month":1,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491364.770833,"ahargana":1902899.2708,"kali_year":5210,"ayanamsa_lahiri":25.376,"grahas":{"sun":{"sidereal_longitude":263.247302,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":351.209402,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-1.2672},"mars":{"sidereal_longitude":295.039302,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":244.16220199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":83.51480200000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"venus":{"sidereal_longitude":249.72090200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":273.6337020000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":155.2392,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.2392,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2109,"month":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491364.770833,"kali_year":5210,"ahargana":1902899.2708,"sun":{"sidereal_longitude":262.8128,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":351.611,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.7982,"elapsed_within_tithi_degrees":4.7982},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.611,"elapsed_within_degrees":4.9443},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.4238},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.267,"elongation":88.798},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.267,"opposition_distance":91.202}},"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":"07:11","sunsetLocal":"17:42","solarNoonLocal":"12:26","dayLengthHours":10.502971419327867,"dayLengthDisplay":"10 Hours 30 Mins 11 Secs","nightLengthDisplay":"13 Hours 29 Mins 49 Secs","moonriseLocal":"12:02","moonsetLocal":"00:35","rahuKala":{"name":"Rāhu Kāla","start":"12:26","end":"13:45","startHours":12.441118171972978,"endHours":13.753989599388959,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:30","end":"09:49","startHours":8.502503889725027,"endHours":9.81537531714101,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:08","end":"12:26","startHours":11.128246744556993,"endHours":12.441118171972978,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.640325793485545,"endHours":9.990424840796475,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:54","startHours":7.627256271447704,"endHours":7.9073355092964475,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:47","startHours":12.091019124662047,"endHours":12.791217219283904,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.7892362730653275,"endHours":6.489434367687185,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:11","startHours":6.3143848440317205,"endHours":7.189632462309043,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:54","startHours":14.19161340852762,"endHours":14.891811503149478,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.49260388163691,"endHours":17.89260388163691,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:08","startHours":17.69260388163691,"endHours":18.13022769077557,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.44260388163691,"endHours":19.19260388163691,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:47","startHours":24.091019124662044,"endHours":24.791217219283904,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:11","end":"08:30","startHours":7.189632462309043,"endHours":8.502503889725027,"quality":"auspicious"},{"name":"Amṛta","start":"08:30","end":"09:49","startHours":8.502503889725027,"endHours":9.81537531714101,"quality":"auspicious"},{"name":"Kāla","start":"09:49","end":"11:08","startHours":9.81537531714101,"endHours":11.128246744556993,"quality":"inauspicious"},{"name":"Śubha","start":"11:08","end":"12:26","startHours":11.128246744556993,"endHours":12.441118171972978,"quality":"auspicious"},{"name":"Roga","start":"12:26","end":"13:45","startHours":12.441118171972978,"endHours":13.753989599388959,"quality":"inauspicious"},{"name":"Udveg","start":"13:45","end":"15:04","startHours":13.753989599388959,"endHours":15.066861026804943,"quality":"inauspicious"},{"name":"Chala","start":"15:04","end":"16:23","startHours":15.066861026804943,"endHours":16.379732454220928,"quality":"neutral"},{"name":"Labha","start":"16:23","end":"17:42","startHours":16.379732454220928,"endHours":17.69260388163691,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:42","end":"19:23","startHours":17.69260388163691,"endHours":19.379732454220925,"quality":"inauspicious"},{"name":"Chala","start":"19:23","end":"21:04","startHours":19.379732454220925,"endHours":21.066861026804943,"quality":"neutral"},{"name":"Labha","start":"21:04","end":"22:45","startHours":21.066861026804943,"endHours":22.75398959938896,"quality":"auspicious"},{"name":"Amṛta","start":"22:45","end":"00:26","startHours":22.75398959938896,"endHours":24.441118171972974,"quality":"auspicious"},{"name":"Kāla","start":"00:26","end":"02:08","startHours":24.441118171972974,"endHours":26.128246744556993,"quality":"inauspicious"},{"name":"Śubha","start":"02:08","end":"03:49","startHours":26.128246744556993,"endHours":27.815375317141008,"quality":"auspicious"},{"name":"Roga","start":"03:49","end":"05:30","startHours":27.815375317141008,"endHours":29.502503889725027,"quality":"inauspicious"},{"name":"Udveg","start":"05:30","end":"07:11","startHours":29.502503889725027,"endHours":31.189632462309042,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.189632462309043,"endHours":8.189632462309042,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.189632462309042,"endHours":9.189632462309042,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.189632462309042,"endHours":10.189632462309042,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.189632462309042,"endHours":11.189632462309042,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.189632462309042,"endHours":12.189632462309042,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.189632462309042,"endHours":13.189632462309042,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.189632462309042,"endHours":14.189632462309042,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.189632462309042,"endHours":15.189632462309042,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.189632462309042,"endHours":16.189632462309042,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.189632462309042,"endHours":17.189632462309042,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.189632462309042,"endHours":18.189632462309042,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.189632462309042,"endHours":19.189632462309042,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.189632462309042,"endHours":20.189632462309042,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.189632462309042,"endHours":21.189632462309042,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.189632462309042,"endHours":22.189632462309042,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.189632462309042,"endHours":23.189632462309042,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.189632462309042,"endHours":24.189632462309042,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.189632462309042,"endHours":25.189632462309042,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.189632462309042,"endHours":26.189632462309042,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.189632462309042,"endHours":27.189632462309042,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.189632462309042,"endHours":28.189632462309042,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.189632462309042,"endHours":29.189632462309042,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.189632462309042,"endHours":30.189632462309042,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.189632462309042,"endHours":31.189632462309042,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.142203788449027,"eotMinutes":-7.10429031837854,"ayanamsa":25.376}},"calendars":{"vikram_samvat":2166,"vikram_samvatsara":"Citrabhānu","saka_samvat":2031,"saka_samvatsara":"Śukla","bengali_samvat":1516,"malayalam_era":1285,"nanakshahi_year":640,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2166 Citrabhānu · Śaka 2031 Śukla"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 January 9, 2109 CE · Vṛndāvana · Vidhyamitra","description":"January 9, 2109 CE for Vṛndāvana: Śukla Aṣṭamī, sūryodaya 07:11, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2109-01-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2109-01-09","sa":"https://sa.vidhyamitra.com/city/vrindavan/2109-01-09","hi":"https://hi.vidhyamitra.com/city/vrindavan/2109-01-09","x-default":"https://vidhyamitra.com/city/vrindavan/2109-01-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:07:35.550Z","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":"2026-06-03T00:07:35.550Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:07:35.550Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}