{"id":"vidhyamitra:city-day:vrindavan:2006-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2006-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2006-10-20","date_display":"October 20, 2006 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":2006,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454028.770833,"kali_year":5108,"ahargana":1865563.2708,"sun":{"sidereal_longitude":181.8209,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":157.2493,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.4284,"elapsed_within_tithi_degrees":11.4284},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.2493,"elapsed_within_degrees":10.5826},"yoga":{"number":26,"name":"Indra","sum_longitude":339.0702},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2006,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454028.770833,"ahargana":1865563.2708,"kali_year":5108,"ayanamsa_lahiri":23.948,"grahas":{"sun":{"sidereal_longitude":182.56131200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":158.92841199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-0.2955},"mars":{"sidereal_longitude":183.48411199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":207.09341199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":209.10971199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":180.51781200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":118.995612,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":333.4802,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":153.4802,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"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":2006,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454028.770833,"kali_year":5108,"ahargana":1865563.2708,"sun":{"sidereal_longitude":181.8209,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":157.2493,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.4284,"elapsed_within_tithi_degrees":11.4284},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.2493,"elapsed_within_degrees":10.5826},"yoga":{"number":26,"name":"Indra","sum_longitude":339.0702},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.296,"elongation":24.572},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.296,"opposition_distance":155.428}},"eclipse_window_40days":[{"offset_days":-13,"type":"lunar","occurs":true,"moon_latitude":1.079,"opposition_distance":0.871}]},"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":"06:21","sunsetLocal":"17:46","solarNoonLocal":"12:04","dayLengthHours":11.407339835454067,"dayLengthDisplay":"11 Hours 24 Mins 26 Secs","nightLengthDisplay":"12 Hours 35 Mins 34 Secs","moonriseLocal":"04:29","moonsetLocal":"16:29","rahuKala":{"name":"Rāhu Kāla","start":"10:38","end":"12:04","startHours":10.63518133316439,"endHours":12.061098812596146,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:55","end":"16:20","startHours":14.912933771459663,"endHours":16.338851250891423,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:47","end":"09:13","startHours":7.783346374300872,"endHours":9.20926385373263,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:24","startHours":9.01914152314173,"endHours":9.399386184323532,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:08","startHours":6.832734721346366,"endHours":7.136930450291808,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:26","startHours":11.680854151414344,"endHours":12.441343473777948,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:36","startHours":4.836450250141905,"endHours":5.596939572505509,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:21","startHours":5.406817241914608,"endHours":6.3574288948691136,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:43","startHours":13.962322118505158,"endHours":14.722811440868762,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.56476873032318,"endHours":17.96476873032318,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:14","startHours":17.76476873032318,"endHours":18.240074556800433,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.51476873032318,"endHours":19.26476873032318,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:26","startHours":23.680854151414344,"endHours":24.44134347377795,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:21","end":"07:47","startHours":6.3574288948691136,"endHours":7.783346374300872,"quality":"neutral"},{"name":"Labha","start":"07:47","end":"09:13","startHours":7.783346374300872,"endHours":9.20926385373263,"quality":"auspicious"},{"name":"Amṛta","start":"09:13","end":"10:38","startHours":9.20926385373263,"endHours":10.63518133316439,"quality":"auspicious"},{"name":"Kāla","start":"10:38","end":"12:04","startHours":10.63518133316439,"endHours":12.061098812596146,"quality":"inauspicious"},{"name":"Śubha","start":"12:04","end":"13:29","startHours":12.061098812596146,"endHours":13.487016292027906,"quality":"auspicious"},{"name":"Roga","start":"13:29","end":"14:55","startHours":13.487016292027906,"endHours":14.912933771459663,"quality":"inauspicious"},{"name":"Udveg","start":"14:55","end":"16:20","startHours":14.912933771459663,"endHours":16.338851250891423,"quality":"inauspicious"},{"name":"Chala","start":"16:20","end":"17:46","startHours":16.338851250891423,"endHours":17.76476873032318,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:46","end":"19:20","startHours":17.76476873032318,"endHours":19.338851250891423,"quality":"inauspicious"},{"name":"Udveg","start":"19:20","end":"20:55","startHours":19.338851250891423,"endHours":20.912933771459663,"quality":"inauspicious"},{"name":"Chala","start":"20:55","end":"22:29","startHours":20.912933771459663,"endHours":22.487016292027903,"quality":"neutral"},{"name":"Labha","start":"22:29","end":"00:04","startHours":22.487016292027903,"endHours":24.061098812596146,"quality":"auspicious"},{"name":"Amṛta","start":"00:04","end":"01:38","startHours":24.061098812596146,"endHours":25.63518133316439,"quality":"auspicious"},{"name":"Kāla","start":"01:38","end":"03:13","startHours":25.63518133316439,"endHours":27.20926385373263,"quality":"inauspicious"},{"name":"Śubha","start":"03:13","end":"04:47","startHours":27.20926385373263,"endHours":28.78334637430087,"quality":"auspicious"},{"name":"Roga","start":"04:47","end":"06:21","startHours":28.78334637430087,"endHours":30.357428894869113,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.3574288948691136,"endHours":7.3574288948691136,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.3574288948691136,"endHours":8.357428894869113,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.357428894869113,"endHours":9.357428894869113,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.357428894869113,"endHours":10.357428894869113,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.357428894869113,"endHours":11.357428894869113,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.357428894869113,"endHours":12.357428894869113,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.357428894869113,"endHours":13.357428894869113,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.357428894869113,"endHours":14.357428894869113,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.357428894869113,"endHours":15.357428894869113,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.357428894869113,"endHours":16.357428894869113,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.357428894869113,"endHours":17.357428894869113,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.357428894869113,"endHours":18.357428894869113,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.357428894869113,"endHours":19.357428894869113,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.357428894869113,"endHours":20.357428894869113,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.357428894869113,"endHours":21.357428894869113,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.357428894869113,"endHours":22.357428894869113,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.357428894869113,"endHours":23.357428894869113,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.357428894869113,"endHours":24.357428894869113,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.357428894869113,"endHours":25.357428894869113,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.357428894869113,"endHours":26.357428894869113,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.357428894869113,"endHours":27.357428894869113,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.357428894869113,"endHours":28.357428894869113,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.357428894869113,"endHours":29.357428894869113,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.357428894869113,"endHours":30.357428894869113,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"South-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.225642878052085,"eotMinutes":15.696871244231174,"ayanamsa":23.948}},"calendars":{"vikram_samvat":2063,"vikram_samvatsara":"Vikāri","saka_samvat":1928,"saka_samvatsara":"Vyaya","bengali_samvat":1413,"malayalam_era":1182,"nanakshahi_year":537,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Trayodaśī · Vikram 2063 Vikāri · Śaka 1928 Vyaya"},"festivals":[{"id":"dhanteras","name":"Dhanteras (Dhanvantari Jayantī)","name_sanskrit":"धनतेरस / धन्वन्तरि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dhanvantari (Āyurveda-deva, avatāra of Viṣṇu)","significance":"Birth of Dhanvantari from samudra-mathana with amṛta-kalaśa. Day 1 of Diwali.","vrata":true,"detection":{"tithi_number":28,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 8.8.32-34"]},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 October 20, 2006 CE · Vṛndāvana · Vidhyamitra","description":"October 20, 2006 CE for Vṛndāvana: Kṛṣṇa Trayodaśī, sūryodaya 06:21, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2006-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2006-10-20","sa":"https://sa.vidhyamitra.com/city/vrindavan/2006-10-20","hi":"https://hi.vidhyamitra.com/city/vrindavan/2006-10-20","x-default":"https://vidhyamitra.com/city/vrindavan/2006-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:48:57.730Z","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":"2026-06-01T19:48:57.730Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:48:57.730Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}