{"id":"vidhyamitra:city-day:vrindavan:2177-01-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2177-01-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-01-09","date_display":"January 9, 2177 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":2177,"month":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516201.770833,"kali_year":5278,"ahargana":1927736.2708,"sun":{"sidereal_longitude":262.2007,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":8.2923,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.0916,"elapsed_within_tithi_degrees":10.0916},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.2923,"elapsed_within_degrees":8.2923},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.493},"karana":{"half_tithi_index":17,"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":2177,"month":1,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516201.770833,"ahargana":1927736.2708,"kali_year":5278,"ayanamsa_lahiri":26.3259,"grahas":{"sun":{"sidereal_longitude":262.80004600000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":5.488345999999979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":4.4994},"mars":{"sidereal_longitude":339.765746,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":249.20844599999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":328.6774459999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":295.752246,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":19.170845999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":279.2555,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.2555,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"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":2177,"month":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516201.770833,"kali_year":5278,"ahargana":1927736.2708,"sun":{"sidereal_longitude":262.2007,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":8.2923,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.0916,"elapsed_within_tithi_degrees":10.0916},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.2923,"elapsed_within_degrees":8.2923},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.493},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":106.092},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":73.908}},"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":10.508673398170846,"dayLengthDisplay":"10 Hours 30 Mins 31 Secs","nightLengthDisplay":"13 Hours 29 Mins 29 Secs","moonriseLocal":"12:49","moonsetLocal":"01:46","rahuKala":{"name":"Rāhu Kāla","start":"13:45","end":"15:04","startHours":13.754702346744331,"endHours":15.068286521515686,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:30","startHours":7.186781472887552,"endHours":8.500365647658908,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:49","end":"11:08","startHours":9.813949822430263,"endHours":11.127533997201619,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.638805265794083,"endHours":9.989094379066444,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.6246428644780035,"endHours":7.904874155095893,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:47","startHours":12.090829058700614,"endHours":12.791407285245338,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.785625019798106,"endHours":6.486203246342829,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:11","startHours":6.311058689706648,"endHours":7.186781472887552,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:54","startHours":14.192563738334783,"endHours":14.893141964879506,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.4954548710584,"endHours":17.895454871058398,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:08","startHours":17.6954548710584,"endHours":18.13331626264885,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.4454548710584,"endHours":19.1954548710584,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:47","startHours":24.090829058700614,"endHours":24.791407285245334,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:11","end":"08:30","startHours":7.186781472887552,"endHours":8.500365647658908,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:49","startHours":8.500365647658908,"endHours":9.813949822430263,"quality":"inauspicious"},{"name":"Udveg","start":"09:49","end":"11:08","startHours":9.813949822430263,"endHours":11.127533997201619,"quality":"inauspicious"},{"name":"Chala","start":"11:08","end":"12:26","startHours":11.127533997201619,"endHours":12.441118171972974,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"13:45","startHours":12.441118171972974,"endHours":13.754702346744331,"quality":"auspicious"},{"name":"Amṛta","start":"13:45","end":"15:04","startHours":13.754702346744331,"endHours":15.068286521515686,"quality":"auspicious"},{"name":"Kāla","start":"15:04","end":"16:23","startHours":15.068286521515686,"endHours":16.38187069628704,"quality":"inauspicious"},{"name":"Śubha","start":"16:23","end":"17:42","startHours":16.38187069628704,"endHours":17.6954548710584,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:42","end":"19:23","startHours":17.6954548710584,"endHours":19.38187069628704,"quality":"auspicious"},{"name":"Kāla","start":"19:23","end":"21:04","startHours":19.38187069628704,"endHours":21.068286521515688,"quality":"inauspicious"},{"name":"Śubha","start":"21:04","end":"22:45","startHours":21.068286521515688,"endHours":22.75470234674433,"quality":"auspicious"},{"name":"Roga","start":"22:45","end":"00:26","startHours":22.75470234674433,"endHours":24.441118171972974,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"02:08","startHours":24.441118171972974,"endHours":26.12753399720162,"quality":"inauspicious"},{"name":"Chala","start":"02:08","end":"03:49","startHours":26.12753399720162,"endHours":27.813949822430263,"quality":"neutral"},{"name":"Labha","start":"03:49","end":"05:30","startHours":27.813949822430263,"endHours":29.50036564765891,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:11","startHours":29.50036564765891,"endHours":31.186781472887553,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.186781472887552,"endHours":8.186781472887553,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.186781472887553,"endHours":9.186781472887553,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.186781472887553,"endHours":10.186781472887553,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.186781472887553,"endHours":11.186781472887553,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.186781472887553,"endHours":12.186781472887553,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.186781472887553,"endHours":13.186781472887553,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.186781472887553,"endHours":14.186781472887553,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.186781472887553,"endHours":15.186781472887553,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.186781472887553,"endHours":16.186781472887553,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.186781472887553,"endHours":17.186781472887553,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.186781472887553,"endHours":18.186781472887553,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.186781472887553,"endHours":19.186781472887553,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.186781472887553,"endHours":20.186781472887553,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.186781472887553,"endHours":21.186781472887553,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.186781472887553,"endHours":22.186781472887553,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.186781472887553,"endHours":23.186781472887553,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.186781472887553,"endHours":24.186781472887553,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.186781472887553,"endHours":25.186781472887553,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.186781472887553,"endHours":26.186781472887553,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.186781472887553,"endHours":27.186781472887553,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.186781472887553,"endHours":28.186781472887553,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.186781472887553,"endHours":29.186781472887553,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.186781472887553,"endHours":30.186781472887553,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.186781472887553,"endHours":31.186781472887553,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"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":-22.07239888926646,"eotMinutes":-7.10429031837854,"ayanamsa":26.3259}},"calendars":{"vikram_samvat":2234,"vikram_samvatsara":"Vikṛti","saka_samvat":2099,"saka_samvatsara":"Īśvara","bengali_samvat":1584,"malayalam_era":1353,"nanakshahi_year":708,"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 Navamī · Vikram 2234 Vikṛti · Śaka 2099 Īśvara"},"festivals":[],"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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, 2177 CE · Vṛndāvana · Vidhyamitra","description":"January 9, 2177 CE for Vṛndāvana: Śukla Navamī, sūryodaya 07:11, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2177-01-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2177-01-09","sa":"https://sa.vidhyamitra.com/city/vrindavan/2177-01-09","hi":"https://hi.vidhyamitra.com/city/vrindavan/2177-01-09","x-default":"https://vidhyamitra.com/city/vrindavan/2177-01-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:09:10.662Z","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":"2026-06-03T00:09:10.662Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:09:10.662Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}