{"id":"vidhyamitra:city-day:boston:2011-10-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/2011-10-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-10-16","date_display":"October 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455850.770833,"kali_year":5113,"ahargana":1867385.2708,"sun":{"sidereal_longitude":177.5501,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":44.1632,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.6131,"elapsed_within_tithi_degrees":10.6131},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.1632,"elapsed_within_degrees":4.1632},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.7134},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":10,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455850.770833,"ahargana":1867385.2708,"kali_year":5113,"ayanamsa_lahiri":24.0177,"grahas":{"sun":{"sidereal_longitude":178.31179799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":41.38369799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":0.9944},"mars":{"sidereal_longitude":111.72719800000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":189.79899799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":12.873598000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":194.290298,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":176.16189800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":236.9419,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":56.9419,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455850.770833,"kali_year":5113,"ahargana":1867385.2708,"sun":{"sidereal_longitude":177.5501,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":44.1632,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.6131,"elapsed_within_tithi_degrees":10.6131},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.1632,"elapsed_within_degrees":4.1632},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.7134},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.994,"elongation":133.387},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.994,"opposition_distance":46.613}},"eclipse_window_40days":[]},"city":{"slug":"boston","name":"Boston, USA","lat":42.3601,"lon":-71.0589,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"boston","name":"Boston, USA","lat":42.3601,"lon":-71.0589,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"sunriseLocal":"05:57","sunsetLocal":"17:02","solarNoonLocal":"11:29","dayLengthHours":11.08499002445943,"dayLengthDisplay":"11 Hours 05 Mins 06 Secs","nightLengthDisplay":"12 Hours 54 Mins 54 Secs","moonriseLocal":"18:55","moonsetLocal":"09:48","rahuKala":{"name":"Rāhu Kāla","start":"15:39","end":"17:02","startHours":15.643335766319268,"endHours":17.0289595193767,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:29","end":"12:52","startHours":11.486464507146984,"endHours":12.87208826020441,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:15","end":"15:39","startHours":14.257712013261841,"endHours":15.643335766319268,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"08:54","startHours":8.530467167291135,"endHours":8.899966834773116,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:42","startHours":6.405844079269745,"endHours":6.701443813255329,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"11:51","startHours":11.116964839665004,"endHours":11.855964174628964,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:12","startHours":4.465970824989344,"endHours":5.204970159953306,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"05:57","startHours":5.020220326212316,"endHours":5.943969494917268,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:20","end":"14:04","startHours":13.333962844556888,"endHours":14.07296217952085,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:50","end":"17:14","startHours":16.8289595193767,"endHours":17.228959519376698,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:02","end":"17:29","startHours":17.0289595193767,"endHours":17.490834103729174,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:47","end":"18:32","startHours":16.7789595193767,"endHours":18.5289595193767,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"23:51","startHours":23.116964839665002,"endHours":23.855964174628966,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:57","end":"07:20","startHours":5.943969494917268,"endHours":7.329593247974697,"quality":"inauspicious"},{"name":"Chala","start":"07:20","end":"08:43","startHours":7.329593247974697,"endHours":8.715217001032126,"quality":"neutral"},{"name":"Labha","start":"08:43","end":"10:06","startHours":8.715217001032126,"endHours":10.100840754089553,"quality":"auspicious"},{"name":"Amṛta","start":"10:06","end":"11:29","startHours":10.100840754089553,"endHours":11.486464507146984,"quality":"auspicious"},{"name":"Kāla","start":"11:29","end":"12:52","startHours":11.486464507146984,"endHours":12.87208826020441,"quality":"inauspicious"},{"name":"Śubha","start":"12:52","end":"14:15","startHours":12.87208826020441,"endHours":14.257712013261841,"quality":"auspicious"},{"name":"Roga","start":"14:15","end":"15:39","startHours":14.257712013261841,"endHours":15.643335766319268,"quality":"inauspicious"},{"name":"Udveg","start":"15:39","end":"17:02","startHours":15.643335766319268,"endHours":17.0289595193767,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:02","end":"18:39","startHours":17.0289595193767,"endHours":18.643335766319268,"quality":"auspicious"},{"name":"Roga","start":"18:39","end":"20:15","startHours":18.643335766319268,"endHours":20.25771201326184,"quality":"inauspicious"},{"name":"Udveg","start":"20:15","end":"21:52","startHours":20.25771201326184,"endHours":21.872088260204414,"quality":"inauspicious"},{"name":"Chala","start":"21:52","end":"23:29","startHours":21.872088260204414,"endHours":23.486464507146984,"quality":"neutral"},{"name":"Labha","start":"23:29","end":"01:06","startHours":23.486464507146984,"endHours":25.100840754089553,"quality":"auspicious"},{"name":"Amṛta","start":"01:06","end":"02:43","startHours":25.100840754089553,"endHours":26.715217001032126,"quality":"auspicious"},{"name":"Kāla","start":"02:43","end":"04:20","startHours":26.715217001032126,"endHours":28.3295932479747,"quality":"inauspicious"},{"name":"Śubha","start":"04:20","end":"05:57","startHours":28.3295932479747,"endHours":29.94396949491727,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.943969494917268,"endHours":6.943969494917268,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.943969494917268,"endHours":7.943969494917268,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.943969494917268,"endHours":8.943969494917269,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.943969494917269,"endHours":9.943969494917269,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.943969494917269,"endHours":10.943969494917269,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.943969494917269,"endHours":11.943969494917269,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.943969494917269,"endHours":12.943969494917269,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.943969494917269,"endHours":13.943969494917269,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.943969494917269,"endHours":14.943969494917269,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.943969494917269,"endHours":15.943969494917269,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.943969494917269,"endHours":16.94396949491727,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.94396949491727,"endHours":17.94396949491727,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.94396949491727,"endHours":18.94396949491727,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.94396949491727,"endHours":19.94396949491727,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.94396949491727,"endHours":20.94396949491727,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.94396949491727,"endHours":21.94396949491727,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.94396949491727,"endHours":22.94396949491727,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.94396949491727,"endHours":23.94396949491727,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.94396949491727,"endHours":24.94396949491727,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.94396949491727,"endHours":25.94396949491727,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.94396949491727,"endHours":26.94396949491727,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.94396949491727,"endHours":27.94396949491727,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.94396949491727,"endHours":28.94396949491727,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.94396949491727,"endHours":29.94396949491727,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.691343070722839,"eotMinutes":15.04772957118102,"ayanamsa":24.0177}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"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":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturthī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"karva-chauth","name":"Karvā Chauth","name_sanskrit":"करवा चौथ","tradition":"Pan-Hindu","associated_deity":"Pārvatī + Gaṇeśa + Chandra","significance":"North Indian wives' fast for husband's longevity. Kṛṣṇa Caturthī of Kārtika.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Dedicated festival walk for Karvā Chauth · Saṅkaṣṭī Caturthī is not live yet; Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"boston"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 16, 2011 CE · Boston, USA · Vidhyamitra","description":"October 16, 2011 CE for Boston, USA: Kṛṣṇa Caturthī, sūryodaya 05:57, sūryāsta 17:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/2011-10-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/2011-10-16","sa":"https://sa.vidhyamitra.com/city/boston/2011-10-16","hi":"https://hi.vidhyamitra.com/city/boston/2011-10-16","x-default":"https://vidhyamitra.com/city/boston/2011-10-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T07:24:35.000Z","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":"2026-08-10T07:24:35.000Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T07:24:35.000Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}