{"id":"vidhyamitra:city-day:boston:2016-06-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/2016-06-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-06-18","date_display":"June 18, 2016 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":2016,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457557.770833,"kali_year":5118,"ahargana":1869092.2708,"sun":{"sidereal_longitude":62.8819,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":214.4058,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.5239,"elapsed_within_tithi_degrees":7.5239},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":214.4058,"elapsed_within_degrees":1.0725},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.2877},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2016,"month":6,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457557.770833,"ahargana":1869092.2708,"kali_year":5118,"ayanamsa_lahiri":24.083,"grahas":{"sun":{"sidereal_longitude":63.16577799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":215.57507799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":4.169},"mars":{"sidereal_longitude":209.795078,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":43.037477999999965,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":140.771978,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":65.97977800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":227.76847799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":146.4968,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":326.4968,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":"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":2016,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457557.770833,"kali_year":5118,"ahargana":1869092.2708,"sun":{"sidereal_longitude":62.8819,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":214.4058,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.5239,"elapsed_within_tithi_degrees":7.5239},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":214.4058,"elapsed_within_degrees":1.0725},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.2877},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.169,"elongation":151.524},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.169,"opposition_distance":28.476}},"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":"04:07","sunsetLocal":"19:23","solarNoonLocal":"11:45","dayLengthHours":15.27915557657088,"dayLengthDisplay":"15 Hours 16 Mins 45 Secs","nightLengthDisplay":"8 Hours 43 Mins 15 Secs","moonriseLocal":"17:09","moonsetLocal":"02:40","rahuKala":{"name":"Rāhu Kāla","start":"07:56","end":"09:50","startHours":7.931081666972274,"endHours":9.840976114043634,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"15:34","startHours":13.660765008186353,"endHours":15.570659455257713,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"04:07","end":"06:01","startHours":4.111292772829554,"endHours":6.021187219900914,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:41","end":"08:11","startHours":7.676429074029425,"endHours":8.185734259915122,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"04:45","end":"05:09","startHours":4.747924255186674,"endHours":5.15536840389523,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:14","end":"12:16","startHours":11.241565375229298,"endHours":12.26017574700069,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:04","end":"03:06","startHours":2.07407202928677,"endHours":3.0926824010581617,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"02:50","end":"04:07","startHours":2.838029808115314,"endHours":4.111292772829554,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:19","startHours":14.297396490543473,"endHours":15.316006862314865,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:11","end":"19:35","startHours":19.190448349400434,"endHours":19.590448349400432,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:23","end":"20:02","startHours":19.390448349400433,"endHours":20.027079831757554,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:08","end":"20:53","startHours":19.140448349400433,"endHours":20.890448349400433,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:14","end":"00:16","startHours":23.241565375229296,"endHours":24.26017574700069,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"04:07","end":"06:01","startHours":4.111292772829554,"endHours":6.021187219900914,"quality":"inauspicious"},{"name":"Śubha","start":"06:01","end":"07:56","startHours":6.021187219900914,"endHours":7.931081666972274,"quality":"auspicious"},{"name":"Roga","start":"07:56","end":"09:50","startHours":7.931081666972274,"endHours":9.840976114043634,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:45","startHours":9.840976114043634,"endHours":11.750870561114994,"quality":"inauspicious"},{"name":"Chala","start":"11:45","end":"13:40","startHours":11.750870561114994,"endHours":13.660765008186353,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"15:34","startHours":13.660765008186353,"endHours":15.570659455257713,"quality":"auspicious"},{"name":"Amṛta","start":"15:34","end":"17:29","startHours":15.570659455257713,"endHours":17.480553902329074,"quality":"auspicious"},{"name":"Kāla","start":"17:29","end":"19:23","startHours":17.480553902329074,"endHours":19.390448349400433,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:23","end":"20:29","startHours":19.390448349400433,"endHours":20.480553902329074,"quality":"auspicious"},{"name":"Amṛta","start":"20:29","end":"21:34","startHours":20.480553902329074,"endHours":21.57065945525771,"quality":"auspicious"},{"name":"Kāla","start":"21:34","end":"22:40","startHours":21.57065945525771,"endHours":22.660765008186353,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"23:45","startHours":22.660765008186353,"endHours":23.750870561114994,"quality":"auspicious"},{"name":"Roga","start":"23:45","end":"00:50","startHours":23.750870561114994,"endHours":24.840976114043634,"quality":"inauspicious"},{"name":"Udveg","start":"00:50","end":"01:56","startHours":24.840976114043634,"endHours":25.931081666972275,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:01","startHours":25.931081666972275,"endHours":27.021187219900913,"quality":"neutral"},{"name":"Labha","start":"03:01","end":"04:07","startHours":27.021187219900913,"endHours":28.111292772829554,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:07","end":"05:07","startHours":4.111292772829554,"endHours":5.111292772829554,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"05:07","end":"06:07","startHours":5.111292772829554,"endHours":6.111292772829554,"planetary_lord":"Moon"},{"name":"Hora 3","start":"06:07","end":"07:07","startHours":6.111292772829554,"endHours":7.111292772829554,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"07:07","end":"08:07","startHours":7.111292772829554,"endHours":8.111292772829554,"planetary_lord":"Venus"},{"name":"Hora 5","start":"08:07","end":"09:07","startHours":8.111292772829554,"endHours":9.111292772829554,"planetary_lord":"Sun"},{"name":"Hora 6","start":"09:07","end":"10:07","startHours":9.111292772829554,"endHours":10.111292772829554,"planetary_lord":"Mars"},{"name":"Hora 7","start":"10:07","end":"11:07","startHours":10.111292772829554,"endHours":11.111292772829554,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"11:07","end":"12:07","startHours":11.111292772829554,"endHours":12.111292772829554,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"12:07","end":"13:07","startHours":12.111292772829554,"endHours":13.111292772829554,"planetary_lord":"Moon"},{"name":"Hora 10","start":"13:07","end":"14:07","startHours":13.111292772829554,"endHours":14.111292772829554,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"14:07","end":"15:07","startHours":14.111292772829554,"endHours":15.111292772829554,"planetary_lord":"Venus"},{"name":"Hora 12","start":"15:07","end":"16:07","startHours":15.111292772829554,"endHours":16.111292772829554,"planetary_lord":"Sun"},{"name":"Hora 13","start":"16:07","end":"17:07","startHours":16.111292772829554,"endHours":17.111292772829554,"planetary_lord":"Mars"},{"name":"Hora 14","start":"17:07","end":"18:07","startHours":17.111292772829554,"endHours":18.111292772829554,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"18:07","end":"19:07","startHours":18.111292772829554,"endHours":19.111292772829554,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"19:07","end":"20:07","startHours":19.111292772829554,"endHours":20.111292772829554,"planetary_lord":"Moon"},{"name":"Hora 17","start":"20:07","end":"21:07","startHours":20.111292772829554,"endHours":21.111292772829554,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"21:07","end":"22:07","startHours":21.111292772829554,"endHours":22.111292772829554,"planetary_lord":"Venus"},{"name":"Hora 19","start":"22:07","end":"23:07","startHours":22.111292772829554,"endHours":23.111292772829554,"planetary_lord":"Sun"},{"name":"Hora 20","start":"23:07","end":"00:07","startHours":23.111292772829554,"endHours":24.111292772829554,"planetary_lord":"Mars"},{"name":"Hora 21","start":"00:07","end":"01:07","startHours":24.111292772829554,"endHours":25.111292772829554,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"01:07","end":"02:07","startHours":25.111292772829554,"endHours":26.111292772829554,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"02:07","end":"03:07","startHours":26.111292772829554,"endHours":27.111292772829554,"planetary_lord":"Moon"},{"name":"Hora 24","start":"03:07","end":"04:07","startHours":27.111292772829554,"endHours":28.111292772829554,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.407874540278396,"eotMinutes":-0.8166336668997627,"ayanamsa":24.083}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 June 18, 2016 CE · Boston, USA · Vidhyamitra","description":"June 18, 2016 CE for Boston, USA: Śukla Trayodaśī, sūryodaya 04:07, sūryāsta 19:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/2016-06-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/2016-06-18","sa":"https://sa.vidhyamitra.com/city/boston/2016-06-18","hi":"https://hi.vidhyamitra.com/city/boston/2016-06-18","x-default":"https://vidhyamitra.com/city/boston/2016-06-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:00:36.140Z","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":"2026-05-15T16:00:36.140Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:00:36.140Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}