{"id":"vidhyamitra:city-day:vellore:2011-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vellore/2011-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-16","date_display":"May 16, 2011 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":2011,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455697.770833,"kali_year":5113,"ahargana":1867232.2708,"sun":{"sidereal_longitude":30.7936,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":192.9423,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.1487,"elapsed_within_tithi_degrees":6.1487},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.9423,"elapsed_within_degrees":6.2756},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.7359},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2011,"month":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455697.770833,"ahargana":1867232.2708,"kali_year":5113,"ayanamsa_lahiri":24.0118,"grahas":{"sun":{"sidereal_longitude":30.84044399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":191.26564400000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-3.5498},"mars":{"sidereal_longitude":9.357844,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":5.736043999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":1.7361440000000243,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":6.004044000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":166.84214399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":245.0485,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.0485,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":2011,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455697.770833,"kali_year":5113,"ahargana":1867232.2708,"sun":{"sidereal_longitude":30.7936,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":192.9423,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.1487,"elapsed_within_tithi_degrees":6.1487},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.9423,"elapsed_within_degrees":6.2756},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.7359},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.55,"elongation":162.149},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.55,"opposition_distance":17.851}},"eclipse_window_40days":[{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":1.195,"elongation":1.712}]},"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:48","sunsetLocal":"18:31","solarNoonLocal":"12:10","dayLengthHours":12.724101032105853,"dayLengthDisplay":"12 Hours 43 Mins 27 Secs","nightLengthDisplay":"11 Hours 16 Mins 33 Secs","moonriseLocal":"17:01","moonsetLocal":"04:41","rahuKala":{"name":"Rāhu Kāla","start":"07:23","end":"08:59","startHours":7.390574530313849,"endHours":8.98108715932708,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:34","end":"12:10","startHours":10.571599788340311,"endHours":12.162112417353544,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:45","end":"15:21","startHours":13.752625046366774,"endHours":15.343137675380007,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:12","startHours":8.769018808791984,"endHours":9.193155509862178,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:40","startHours":6.3302327776383605,"endHours":6.669542138494517,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:35","startHours":11.737975716283348,"endHours":12.586249118423737,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:57","startHours":4.103515097019836,"endHours":4.951788499160227,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:48","startHours":4.739720148625128,"endHours":5.800061901300617,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:08","startHours":14.28279592270452,"endHours":15.13106932484491,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.32416293340647,"endHours":18.72416293340647,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:03","startHours":18.52416293340647,"endHours":19.054333809744215,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.27416293340647,"endHours":20.02416293340647,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:35","startHours":23.737975716283344,"endHours":24.586249118423737,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:48","end":"07:23","startHours":5.800061901300617,"endHours":7.390574530313849,"quality":"auspicious"},{"name":"Kāla","start":"07:23","end":"08:59","startHours":7.390574530313849,"endHours":8.98108715932708,"quality":"inauspicious"},{"name":"Śubha","start":"08:59","end":"10:34","startHours":8.98108715932708,"endHours":10.571599788340311,"quality":"auspicious"},{"name":"Roga","start":"10:34","end":"12:10","startHours":10.571599788340311,"endHours":12.162112417353544,"quality":"inauspicious"},{"name":"Udveg","start":"12:10","end":"13:45","startHours":12.162112417353544,"endHours":13.752625046366774,"quality":"inauspicious"},{"name":"Chala","start":"13:45","end":"15:21","startHours":13.752625046366774,"endHours":15.343137675380007,"quality":"neutral"},{"name":"Labha","start":"15:21","end":"16:56","startHours":15.343137675380007,"endHours":16.93365030439324,"quality":"auspicious"},{"name":"Amṛta","start":"16:56","end":"18:31","startHours":16.93365030439324,"endHours":18.52416293340647,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:31","end":"19:56","startHours":18.52416293340647,"endHours":19.933650304393236,"quality":"neutral"},{"name":"Labha","start":"19:56","end":"21:21","startHours":19.933650304393236,"endHours":21.343137675380007,"quality":"auspicious"},{"name":"Amṛta","start":"21:21","end":"22:45","startHours":21.343137675380007,"endHours":22.752625046366774,"quality":"auspicious"},{"name":"Kāla","start":"22:45","end":"00:10","startHours":22.752625046366774,"endHours":24.16211241735354,"quality":"inauspicious"},{"name":"Śubha","start":"00:10","end":"01:34","startHours":24.16211241735354,"endHours":25.57159978834031,"quality":"auspicious"},{"name":"Roga","start":"01:34","end":"02:59","startHours":25.57159978834031,"endHours":26.98108715932708,"quality":"inauspicious"},{"name":"Udveg","start":"02:59","end":"04:23","startHours":26.98108715932708,"endHours":28.39057453031385,"quality":"inauspicious"},{"name":"Chala","start":"04:23","end":"05:48","startHours":28.39057453031385,"endHours":29.800061901300616,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.800061901300617,"endHours":6.800061901300617,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.800061901300617,"endHours":7.800061901300617,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.800061901300617,"endHours":8.800061901300616,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.800061901300616,"endHours":9.800061901300616,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.800061901300616,"endHours":10.800061901300616,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.800061901300616,"endHours":11.800061901300616,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.800061901300616,"endHours":12.800061901300616,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.800061901300616,"endHours":13.800061901300616,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.800061901300616,"endHours":14.800061901300616,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.800061901300616,"endHours":15.800061901300616,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.800061901300616,"endHours":16.800061901300616,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.800061901300616,"endHours":17.800061901300616,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.800061901300616,"endHours":18.800061901300616,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.800061901300616,"endHours":19.800061901300616,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.800061901300616,"endHours":20.800061901300616,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.800061901300616,"endHours":21.800061901300616,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.800061901300616,"endHours":22.800061901300616,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.800061901300616,"endHours":23.800061901300616,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.800061901300616,"endHours":24.800061901300616,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.800061901300616,"endHours":25.800061901300616,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.800061901300616,"endHours":26.800061901300616,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.800061901300616,"endHours":27.800061901300616,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.800061901300616,"endHours":28.800061901300616,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.800061901300616,"endHours":29.800061901300616,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.978538665568518,"eotMinutes":3.743254958787478,"ayanamsa":24.0118}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturdaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"narasimha-jayanti","name":"Narasiṁha Jayantī","name_sanskrit":"नरसिंह जयन्ती","tradition":"Vaishnava","associated_deity":"Narasiṁha (avatar of Krishna)","deity_avatara_index":14,"significance":"Bhagavān Narasiṁha manifested to protect the bhakta Prahlāda. Krishna's fierce protective form.","vrata":true,"primary_observance":"Sandhyā (twilight) abhiṣekam; recitation of Narasiṁha-Stotra","detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"narasimha","sources":["Bhāgavata Purāṇa 7.8"]},{"id":"chhinnamasta-jayanti","name":"Chhinnamastā Jayantī","name_sanskrit":"छिन्नमस्ता जयन्ती","tradition":"Shakta","associated_deity":"Devī Chhinnamastā (6th of 10 Mahāvidyās)","significance":"The 6th of the Daśa Mahāvidyās. Devī's self-decapitation form representing transcendence of ego.","vrata":false,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5}],"todays_walk":{"walk":{"id":"narasimha-jayanti-walk","name":"Narasiṁha Jayantī Walk","name_sanskrit":"नरसिंह जयन्ती यात्रा","type":"festival","description":"Bhāgavata 7.8 (Prahlāda-Narasiṁha) + protective verses.","step_count":9,"url":"/walk/narasimha-jayanti-walk"},"reason":"Today is Narasiṁha Jayantī — its dedicated walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vellore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 16, 2011 CE · Vellore, Tamil Nadu · Vidhyamitra","description":"May 16, 2011 CE for Vellore, Tamil Nadu: Śukla Caturdaśī, sūryodaya 05:48, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vellore/2011-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vellore/2011-05-16","sa":"https://sa.vidhyamitra.com/city/vellore/2011-05-16","hi":"https://hi.vidhyamitra.com/city/vellore/2011-05-16","x-default":"https://vidhyamitra.com/city/vellore/2011-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:29:30.299Z","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":"2026-06-02T12:29:30.299Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:29:30.299Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}