{"id":"vidhyamitra:city-day:boston:2000-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/2000-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-02-01","date_display":"February 1, 2000 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":2000,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451575.770833,"kali_year":5101,"ahargana":1863110.2708,"sun":{"sidereal_longitude":287.6364,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":236.1559,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":308.5194,"elapsed_within_tithi_degrees":8.5194},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":236.1559,"elapsed_within_degrees":9.4892},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.7923},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2000,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451575.770833,"ahargana":1863110.2708,"kali_year":5101,"ayanamsa_lahiri":23.8542,"grahas":{"sun":{"sidereal_longitude":287.623235,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":238.21533499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":3.3053},"mars":{"sidereal_longitude":327.725135,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":298.78033500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":4.095235000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":255.01623499999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":16.731735000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":103.4519,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":283.4519,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2000,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451575.770833,"kali_year":5101,"ahargana":1863110.2708,"sun":{"sidereal_longitude":287.6364,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":236.1559,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":308.5194,"elapsed_within_tithi_degrees":8.5194},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":236.1559,"elapsed_within_degrees":9.4892},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.7923},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.305,"elongation":51.481},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.305,"opposition_distance":128.519}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-0.697,"opposition_distance":1.262}]},"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":"06:59","sunsetLocal":"16:57","solarNoonLocal":"11:58","dayLengthHours":9.958671841752654,"dayLengthDisplay":"9 Hours 57 Mins 31 Secs","nightLengthDisplay":"14 Hours 02 Mins 29 Secs","moonriseLocal":"04:09","moonsetLocal":"13:12","rahuKala":{"name":"Rāhu Kāla","start":"14:27","end":"15:42","startHours":14.455083762394755,"endHours":15.699917742613838,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:29","end":"10:43","startHours":9.475747841518428,"endHours":10.720581821737511,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:58","end":"13:13","startHours":11.965415801956592,"endHours":13.210249782175673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:39","startHours":9.309769977489218,"endHours":9.641725705547639,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:40","startHours":7.4010245411532924,"endHours":7.66658912360003,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:18","startHours":11.63346007389817,"endHours":12.297371530015013,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:19","startHours":5.658256968846578,"endHours":6.322168424963421,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"06:59","startHours":6.156190560934211,"endHours":6.986079881080265,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:38","end":"14:17","startHours":13.625194442248702,"endHours":14.289105898365547,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:45","end":"17:09","startHours":16.74475172283292,"endHours":17.14475172283292,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:57","end":"17:22","startHours":16.94475172283292,"endHours":17.359696382905945,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:42","end":"18:27","startHours":16.69475172283292,"endHours":18.44475172283292,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:18","startHours":23.63346007389817,"endHours":24.297371530015013,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:59","end":"08:14","startHours":6.986079881080265,"endHours":8.230913861299346,"quality":"inauspicious"},{"name":"Udveg","start":"08:14","end":"09:29","startHours":8.230913861299346,"endHours":9.475747841518428,"quality":"inauspicious"},{"name":"Chala","start":"09:29","end":"10:43","startHours":9.475747841518428,"endHours":10.720581821737511,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"11:58","startHours":10.720581821737511,"endHours":11.965415801956592,"quality":"auspicious"},{"name":"Amṛta","start":"11:58","end":"13:13","startHours":11.965415801956592,"endHours":13.210249782175673,"quality":"auspicious"},{"name":"Kāla","start":"13:13","end":"14:27","startHours":13.210249782175673,"endHours":14.455083762394755,"quality":"inauspicious"},{"name":"Śubha","start":"14:27","end":"15:42","startHours":14.455083762394755,"endHours":15.699917742613838,"quality":"auspicious"},{"name":"Roga","start":"15:42","end":"16:57","startHours":15.699917742613838,"endHours":16.94475172283292,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"16:57","end":"18:42","startHours":16.94475172283292,"endHours":18.699917742613838,"quality":"inauspicious"},{"name":"Śubha","start":"18:42","end":"20:27","startHours":18.699917742613838,"endHours":20.455083762394757,"quality":"auspicious"},{"name":"Roga","start":"20:27","end":"22:13","startHours":20.455083762394757,"endHours":22.210249782175673,"quality":"inauspicious"},{"name":"Udveg","start":"22:13","end":"23:58","startHours":22.210249782175673,"endHours":23.965415801956592,"quality":"inauspicious"},{"name":"Chala","start":"23:58","end":"01:43","startHours":23.965415801956592,"endHours":25.72058182173751,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:29","startHours":25.72058182173751,"endHours":27.475747841518427,"quality":"auspicious"},{"name":"Amṛta","start":"03:29","end":"05:14","startHours":27.475747841518427,"endHours":29.230913861299346,"quality":"auspicious"},{"name":"Kāla","start":"05:14","end":"06:59","startHours":29.230913861299346,"endHours":30.986079881080265,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.986079881080265,"endHours":7.986079881080265,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.986079881080265,"endHours":8.986079881080265,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.986079881080265,"endHours":9.986079881080265,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.986079881080265,"endHours":10.986079881080265,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.986079881080265,"endHours":11.986079881080265,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.986079881080265,"endHours":12.986079881080265,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.986079881080265,"endHours":13.986079881080265,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.986079881080265,"endHours":14.986079881080265,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.986079881080265,"endHours":15.986079881080265,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.986079881080265,"endHours":16.986079881080265,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.986079881080265,"endHours":17.986079881080265,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.986079881080265,"endHours":18.986079881080265,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.986079881080265,"endHours":19.986079881080265,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.986079881080265,"endHours":20.986079881080265,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.986079881080265,"endHours":21.986079881080265,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.986079881080265,"endHours":22.986079881080265,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.986079881080265,"endHours":23.986079881080265,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.986079881080265,"endHours":24.986079881080265,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.986079881080265,"endHours":25.986079881080265,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.986079881080265,"endHours":26.986079881080265,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.986079881080265,"endHours":27.986079881080265,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.986079881080265,"endHours":28.986079881080265,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.986079881080265,"endHours":29.986079881080265,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.986079881080265,"endHours":30.986079881080265,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.336784064770686,"eotMinutes":-13.689348117395623,"ayanamsa":23.8542}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ekādaśī · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"festivals":[{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 February 1, 2000 CE · Boston, USA · Vidhyamitra","description":"February 1, 2000 CE for Boston, USA: Kṛṣṇa Ekādaśī, sūryodaya 06:59, sūryāsta 16:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/2000-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/2000-02-01","sa":"https://sa.vidhyamitra.com/city/boston/2000-02-01","hi":"https://hi.vidhyamitra.com/city/boston/2000-02-01","x-default":"https://vidhyamitra.com/city/boston/2000-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:00:18.767Z","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":"2026-05-31T09:00:18.767Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:00:18.767Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}