{"id":"vidhyamitra:city-day:boston:2026-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/2026-05-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-05-17","date_display":"May 17, 2026 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":2026,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461177.770833,"kali_year":5128,"ahargana":1872712.2708,"sun":{"sidereal_longitude":31.8652,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":33.7822,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.917,"elapsed_within_tithi_degrees":1.917},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":33.7822,"elapsed_within_degrees":7.1156},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.6474},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2026,"month":5,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461177.770833,"ahargana":1872712.2708,"kali_year":5128,"ayanamsa_lahiri":24.2214,"grahas":{"sun":{"sidereal_longitude":31.954068000000007,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":35.003468,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":4.4185},"mars":{"sidereal_longitude":3.953868,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":34.469468000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":86.988768,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":63.03646800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":346.712468,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":314.6918,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":134.6918,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2026,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461177.770833,"kali_year":5128,"ahargana":1872712.2708,"sun":{"sidereal_longitude":31.8652,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":33.7822,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.917,"elapsed_within_tithi_degrees":1.917},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":33.7822,"elapsed_within_degrees":7.1156},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.6474},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.419,"elongation":1.917},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.419,"opposition_distance":178.083}},"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":"04:21","sunsetLocal":"19:00","solarNoonLocal":"11:41","dayLengthHours":14.650756698857151,"dayLengthDisplay":"14 Hours 39 Mins 03 Secs","nightLengthDisplay":"9 Hours 20 Mins 57 Secs","moonriseLocal":"04:32","moonsetLocal":"19:14","rahuKala":{"name":"Rāhu Kāla","start":"17:10","end":"19:00","startHours":17.169279102171213,"endHours":19.000623689528357,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:41","end":"13:30","startHours":11.675245340099782,"endHours":13.506589927456925,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"17:10","startHours":15.33793451481407,"endHours":17.169279102171213,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:46","end":"08:15","startHours":7.7683768870712075,"endHours":8.256735443699778,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"04:58","end":"05:21","startHours":4.96031518645692,"endHours":5.351002031759777,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:11","end":"12:10","startHours":11.18688678347121,"endHours":12.163603896728354,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:24","end":"03:22","startHours":2.396432764156918,"endHours":3.3731498774140616,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:08","end":"04:21","startHours":3.128970599099776,"endHours":4.349866990671205,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"15:06","startHours":14.11703812324264,"endHours":15.093755236499783,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.800623689528358,"endHours":19.200623689528356,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:37","startHours":19.000623689528357,"endHours":19.61107188531407,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.750623689528357,"endHours":20.500623689528357,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:11","end":"00:10","startHours":23.18688678347121,"endHours":24.163603896728354,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"04:21","end":"06:11","startHours":4.349866990671205,"endHours":6.181211578028349,"quality":"inauspicious"},{"name":"Chala","start":"06:11","end":"08:01","startHours":6.181211578028349,"endHours":8.012556165385494,"quality":"neutral"},{"name":"Labha","start":"08:01","end":"09:51","startHours":8.012556165385494,"endHours":9.843900752742638,"quality":"auspicious"},{"name":"Amṛta","start":"09:51","end":"11:41","startHours":9.843900752742638,"endHours":11.675245340099782,"quality":"auspicious"},{"name":"Kāla","start":"11:41","end":"13:30","startHours":11.675245340099782,"endHours":13.506589927456925,"quality":"inauspicious"},{"name":"Śubha","start":"13:30","end":"15:20","startHours":13.506589927456925,"endHours":15.33793451481407,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"17:10","startHours":15.33793451481407,"endHours":17.169279102171213,"quality":"inauspicious"},{"name":"Udveg","start":"17:10","end":"19:00","startHours":17.169279102171213,"endHours":19.000623689528357,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:00","end":"20:10","startHours":19.000623689528357,"endHours":20.169279102171213,"quality":"auspicious"},{"name":"Roga","start":"20:10","end":"21:20","startHours":20.169279102171213,"endHours":21.33793451481407,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"22:30","startHours":21.33793451481407,"endHours":22.506589927456925,"quality":"inauspicious"},{"name":"Chala","start":"22:30","end":"23:41","startHours":22.506589927456925,"endHours":23.67524534009978,"quality":"neutral"},{"name":"Labha","start":"23:41","end":"00:51","startHours":23.67524534009978,"endHours":24.843900752742638,"quality":"auspicious"},{"name":"Amṛta","start":"00:51","end":"02:01","startHours":24.843900752742638,"endHours":26.012556165385494,"quality":"auspicious"},{"name":"Kāla","start":"02:01","end":"03:11","startHours":26.012556165385494,"endHours":27.18121157802835,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:21","startHours":27.18121157802835,"endHours":28.349866990671206,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:21","end":"05:21","startHours":4.349866990671205,"endHours":5.349866990671205,"planetary_lord":"Sun"},{"name":"Hora 2","start":"05:21","end":"06:21","startHours":5.349866990671205,"endHours":6.349866990671205,"planetary_lord":"Mars"},{"name":"Hora 3","start":"06:21","end":"07:21","startHours":6.349866990671205,"endHours":7.349866990671205,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"07:21","end":"08:21","startHours":7.349866990671205,"endHours":8.349866990671206,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"08:21","end":"09:21","startHours":8.349866990671206,"endHours":9.349866990671206,"planetary_lord":"Moon"},{"name":"Hora 6","start":"09:21","end":"10:21","startHours":9.349866990671206,"endHours":10.349866990671206,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"10:21","end":"11:21","startHours":10.349866990671206,"endHours":11.349866990671206,"planetary_lord":"Venus"},{"name":"Hora 8","start":"11:21","end":"12:21","startHours":11.349866990671206,"endHours":12.349866990671206,"planetary_lord":"Sun"},{"name":"Hora 9","start":"12:21","end":"13:21","startHours":12.349866990671206,"endHours":13.349866990671206,"planetary_lord":"Mars"},{"name":"Hora 10","start":"13:21","end":"14:21","startHours":13.349866990671206,"endHours":14.349866990671206,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"14:21","end":"15:21","startHours":14.349866990671206,"endHours":15.349866990671206,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"15:21","end":"16:21","startHours":15.349866990671206,"endHours":16.349866990671206,"planetary_lord":"Moon"},{"name":"Hora 13","start":"16:21","end":"17:21","startHours":16.349866990671206,"endHours":17.349866990671206,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"17:21","end":"18:21","startHours":17.349866990671206,"endHours":18.349866990671206,"planetary_lord":"Venus"},{"name":"Hora 15","start":"18:21","end":"19:21","startHours":18.349866990671206,"endHours":19.349866990671206,"planetary_lord":"Sun"},{"name":"Hora 16","start":"19:21","end":"20:21","startHours":19.349866990671206,"endHours":20.349866990671206,"planetary_lord":"Mars"},{"name":"Hora 17","start":"20:21","end":"21:21","startHours":20.349866990671206,"endHours":21.349866990671206,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"21:21","end":"22:21","startHours":21.349866990671206,"endHours":22.349866990671206,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"22:21","end":"23:21","startHours":22.349866990671206,"endHours":23.349866990671206,"planetary_lord":"Moon"},{"name":"Hora 20","start":"23:21","end":"00:21","startHours":23.349866990671206,"endHours":24.349866990671206,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"00:21","end":"01:21","startHours":24.349866990671206,"endHours":25.349866990671206,"planetary_lord":"Venus"},{"name":"Hora 22","start":"01:21","end":"02:21","startHours":25.349866990671206,"endHours":26.349866990671206,"planetary_lord":"Sun"},{"name":"Hora 23","start":"02:21","end":"03:21","startHours":26.349866990671206,"endHours":27.349866990671206,"planetary_lord":"Mars"},{"name":"Hora 24","start":"03:21","end":"04:21","startHours":27.349866990671206,"endHours":28.349866990671206,"planetary_lord":"Jupiter"}],"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":["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":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.293950059111886,"eotMinutes":3.7208795940131294,"ayanamsa":24.2214}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha (Adhika) Śukla Pratipada · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[],"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":"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 May 17, 2026 CE · Boston, USA · Vidhyamitra","description":"May 17, 2026 CE for Boston, USA: Śukla Pratipada, sūryodaya 04:21, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/2026-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/2026-05-17","sa":"https://sa.vidhyamitra.com/city/boston/2026-05-17","hi":"https://hi.vidhyamitra.com/city/boston/2026-05-17","x-default":"https://vidhyamitra.com/city/boston/2026-05-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-07-24T20:38:48.355Z","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":"2026-07-24T20:38:48.355Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-07-24T20:38:48.355Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no founder-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","Divyāṁśa-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"}}}