{"id":"vidhyamitra:city-day:vrindavan:2009-01-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2009-01-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-01-20","date_display":"January 20, 2009 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":2009,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454851.770833,"kali_year":5110,"ahargana":1866386.2708,"sun":{"sidereal_longitude":276.036,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":204.9932,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.9572,"elapsed_within_tithi_degrees":0.9572},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.9932,"elapsed_within_degrees":4.9932},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.0293},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2009,"month":1,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454851.770833,"ahargana":1866386.2708,"kali_year":5110,"ayanamsa_lahiri":23.9795,"grahas":{"sun":{"sidereal_longitude":276.12736700000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":207.846267,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-4.482},"mars":{"sidereal_longitude":263.884767,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":277.4123669999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":279.87416699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":323.022567,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":147.244867,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":289.8737,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":109.8737,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2009,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454851.770833,"kali_year":5110,"ahargana":1866386.2708,"sun":{"sidereal_longitude":276.036,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":204.9932,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.9572,"elapsed_within_tithi_degrees":0.9572},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.9932,"elapsed_within_degrees":4.9932},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.0293},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.482,"elongation":71.043},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.482,"opposition_distance":108.957}},"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":"07:10","sunsetLocal":"17:50","solarNoonLocal":"12:30","dayLengthHours":10.665301828845529,"dayLengthDisplay":"10 Hours 39 Mins 55 Secs","nightLengthDisplay":"13 Hours 20 Mins 05 Secs","moonriseLocal":"02:34","moonsetLocal":"13:20","rahuKala":{"name":"Rāhu Kāla","start":"15:10","end":"16:30","startHours":15.171777179498537,"endHours":16.504939908104227,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:10","startHours":9.839126265075773,"endHours":11.172288993681462,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"13:50","startHours":12.505451722287155,"endHours":13.838614450892845,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.661371234595013,"endHours":10.01688129555653,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.617188384066287,"endHours":7.901596432835501,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:52","startHours":12.149941661325638,"endHours":12.860961783248673,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:28","startHours":5.75076056401832,"endHours":6.4617806859413545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.284025655460596,"endHours":7.17280080786439,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:00","startHours":14.283002027094742,"endHours":14.994022149017777,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.63810263670992,"endHours":18.03810263670992,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:17","startHours":17.83810263670992,"endHours":18.282490212911817,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.58810263670992,"endHours":19.33810263670992,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:52","startHours":24.149941661325638,"endHours":24.860961783248673,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:10","end":"08:30","startHours":7.17280080786439,"endHours":8.50596353647008,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"09:50","startHours":8.50596353647008,"endHours":9.839126265075773,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:10","startHours":9.839126265075773,"endHours":11.172288993681462,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:30","startHours":11.172288993681462,"endHours":12.505451722287155,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"13:50","startHours":12.505451722287155,"endHours":13.838614450892845,"quality":"auspicious"},{"name":"Kāla","start":"13:50","end":"15:10","startHours":13.838614450892845,"endHours":15.171777179498537,"quality":"inauspicious"},{"name":"Śubha","start":"15:10","end":"16:30","startHours":15.171777179498537,"endHours":16.504939908104227,"quality":"auspicious"},{"name":"Roga","start":"16:30","end":"17:50","startHours":16.504939908104227,"endHours":17.83810263670992,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:30","startHours":17.83810263670992,"endHours":19.504939908104227,"quality":"inauspicious"},{"name":"Śubha","start":"19:30","end":"21:10","startHours":19.504939908104227,"endHours":21.171777179498537,"quality":"auspicious"},{"name":"Roga","start":"21:10","end":"22:50","startHours":21.171777179498537,"endHours":22.838614450892848,"quality":"inauspicious"},{"name":"Udveg","start":"22:50","end":"00:30","startHours":22.838614450892848,"endHours":24.505451722287155,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"02:10","startHours":24.505451722287155,"endHours":26.172288993681462,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:50","startHours":26.172288993681462,"endHours":27.839126265075773,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:30","startHours":27.839126265075773,"endHours":29.505963536470084,"quality":"auspicious"},{"name":"Kāla","start":"05:30","end":"07:10","startHours":29.505963536470084,"endHours":31.17280080786439,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.17280080786439,"endHours":8.172800807864391,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.172800807864391,"endHours":9.172800807864391,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.172800807864391,"endHours":10.172800807864391,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.172800807864391,"endHours":11.172800807864391,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.172800807864391,"endHours":12.172800807864391,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.172800807864391,"endHours":13.172800807864391,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.172800807864391,"endHours":14.172800807864391,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.172800807864391,"endHours":15.172800807864391,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.172800807864391,"endHours":16.17280080786439,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.17280080786439,"endHours":17.17280080786439,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.17280080786439,"endHours":18.17280080786439,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.17280080786439,"endHours":19.17280080786439,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.17280080786439,"endHours":20.17280080786439,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.17280080786439,"endHours":21.17280080786439,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.17280080786439,"endHours":22.17280080786439,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.17280080786439,"endHours":23.17280080786439,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.17280080786439,"endHours":24.17280080786439,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.17280080786439,"endHours":25.17280080786439,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.17280080786439,"endHours":26.17280080786439,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.17280080786439,"endHours":27.17280080786439,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.17280080786439,"endHours":28.17280080786439,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.17280080786439,"endHours":29.17280080786439,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.17280080786439,"endHours":30.17280080786439,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.17280080786439,"endHours":31.17280080786439,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.12533414216006,"eotMinutes":-10.9643033372293,"ayanamsa":23.9795}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 20, 2009 CE · Vṛndāvana · Vidhyamitra","description":"January 20, 2009 CE for Vṛndāvana: Kṛṣṇa Daśamī, sūryodaya 07:10, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2009-01-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2009-01-20","sa":"https://sa.vidhyamitra.com/city/vrindavan/2009-01-20","hi":"https://hi.vidhyamitra.com/city/vrindavan/2009-01-20","x-default":"https://vidhyamitra.com/city/vrindavan/2009-01-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:00:27.240Z","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":"2026-05-31T20:00:27.240Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:00:27.240Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}