{"id":"vidhyamitra:city-day:howrah:2001-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2001-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-01-06","date_display":"January 6, 2001 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":2001,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451915.770833,"kali_year":5102,"ahargana":1863450.2708,"sun":{"sidereal_longitude":261.729,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":31.6982,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.9692,"elapsed_within_tithi_degrees":9.9692},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.6982,"elapsed_within_degrees":5.0315},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.4272},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":2001,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451915.770833,"ahargana":1863450.2708,"kali_year":5102,"ayanamsa_lahiri":23.8672,"grahas":{"sun":{"sidereal_longitude":261.9195440000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":29.759143999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":-3.6272},"mars":{"sidereal_longitude":193.97794399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":268.695344,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":37.92494399999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":308.609644,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.43094400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":85.4371,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":265.4371,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2001,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451915.770833,"kali_year":5102,"ahargana":1863450.2708,"sun":{"sidereal_longitude":261.729,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":31.6982,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.9692,"elapsed_within_tithi_degrees":9.9692},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.6982,"elapsed_within_degrees":5.0315},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.4272},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.627,"elongation":129.969},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.627,"opposition_distance":50.031}},"eclipse_window_40days":[{"offset_days":4,"type":"lunar","occurs":true,"moon_latitude":0.182,"opposition_distance":1.705}]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:19","sunsetLocal":"17:07","solarNoonLocal":"11:43","dayLengthHours":10.808271179234056,"dayLengthDisplay":"10 Hours 48 Mins 30 Secs","nightLengthDisplay":"13 Hours 11 Mins 30 Secs","moonriseLocal":"13:39","moonsetLocal":"02:49","rahuKala":{"name":"Rāhu Kāla","start":"09:01","end":"10:22","startHours":9.011619223641047,"endHours":10.362653121045305,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:04","end":"14:25","startHours":13.064720915853819,"endHours":14.415754813258076,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:19","end":"07:40","startHours":6.309551428832533,"endHours":7.66058532623679,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:12","startHours":8.831481370653812,"endHours":9.191757076628281,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:03","startHours":6.759896061300618,"endHours":7.048116626080193,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:21","end":"12:04","startHours":11.353411312475094,"endHours":12.07396272442403,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:35","startHours":4.868448604934659,"endHours":5.589000016883595,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.408862163896361,"endHours":6.309551428832533,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:31","end":"14:14","startHours":13.515065548321903,"endHours":14.235616960270841,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:55","end":"17:19","startHours":16.91782260806659,"endHours":17.31782260806659,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:07","end":"17:34","startHours":17.11782260806659,"endHours":17.568167240534674,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:52","end":"18:37","startHours":16.86782260806659,"endHours":18.61782260806659,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:21","end":"00:04","startHours":23.353411312475092,"endHours":24.07396272442403,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:19","end":"07:40","startHours":6.309551428832533,"endHours":7.66058532623679,"quality":"inauspicious"},{"name":"Śubha","start":"07:40","end":"09:01","startHours":7.66058532623679,"endHours":9.011619223641047,"quality":"auspicious"},{"name":"Roga","start":"09:01","end":"10:22","startHours":9.011619223641047,"endHours":10.362653121045305,"quality":"inauspicious"},{"name":"Udveg","start":"10:22","end":"11:43","startHours":10.362653121045305,"endHours":11.713687018449562,"quality":"inauspicious"},{"name":"Chala","start":"11:43","end":"13:04","startHours":11.713687018449562,"endHours":13.064720915853819,"quality":"neutral"},{"name":"Labha","start":"13:04","end":"14:25","startHours":13.064720915853819,"endHours":14.415754813258076,"quality":"auspicious"},{"name":"Amṛta","start":"14:25","end":"15:46","startHours":14.415754813258076,"endHours":15.766788710662333,"quality":"auspicious"},{"name":"Kāla","start":"15:46","end":"17:07","startHours":15.766788710662333,"endHours":17.11782260806659,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:07","end":"18:46","startHours":17.11782260806659,"endHours":18.766788710662333,"quality":"auspicious"},{"name":"Amṛta","start":"18:46","end":"20:25","startHours":18.766788710662333,"endHours":20.415754813258076,"quality":"auspicious"},{"name":"Kāla","start":"20:25","end":"22:04","startHours":20.415754813258076,"endHours":22.06472091585382,"quality":"inauspicious"},{"name":"Śubha","start":"22:04","end":"23:43","startHours":22.06472091585382,"endHours":23.713687018449562,"quality":"auspicious"},{"name":"Roga","start":"23:43","end":"01:22","startHours":23.713687018449562,"endHours":25.362653121045305,"quality":"inauspicious"},{"name":"Udveg","start":"01:22","end":"03:01","startHours":25.362653121045305,"endHours":27.01161922364105,"quality":"inauspicious"},{"name":"Chala","start":"03:01","end":"04:40","startHours":27.01161922364105,"endHours":28.66058532623679,"quality":"neutral"},{"name":"Labha","start":"04:40","end":"06:19","startHours":28.66058532623679,"endHours":30.309551428832535,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.309551428832533,"endHours":7.309551428832533,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.309551428832533,"endHours":8.309551428832533,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.309551428832533,"endHours":9.309551428832533,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.309551428832533,"endHours":10.309551428832533,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.309551428832533,"endHours":11.309551428832533,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.309551428832533,"endHours":12.309551428832533,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.309551428832533,"endHours":13.309551428832533,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.309551428832533,"endHours":14.309551428832533,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.309551428832533,"endHours":15.309551428832533,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.309551428832533,"endHours":16.309551428832535,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.309551428832535,"endHours":17.309551428832535,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.309551428832535,"endHours":18.309551428832535,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.309551428832535,"endHours":19.309551428832535,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.309551428832535,"endHours":20.309551428832535,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.309551428832535,"endHours":21.309551428832535,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.309551428832535,"endHours":22.309551428832535,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.309551428832535,"endHours":23.309551428832535,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.309551428832535,"endHours":24.309551428832535,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.309551428832535,"endHours":25.309551428832535,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.309551428832535,"endHours":26.309551428832535,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.309551428832535,"endHours":27.309551428832535,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.309551428832535,"endHours":28.309551428832535,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.309551428832535,"endHours":29.309551428832535,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.309551428832535,"endHours":30.309551428832535,"planetary_lord":"Mercury"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.502911289340833,"eotMinutes":-5.875621106973772,"ayanamsa":23.8672}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ekādaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"putrada-ekadashi","name":"Pauṣa Putradā Ekādaśī","name_sanskrit":"पौष पुत्रदा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Ekādaśī granting putra-prāpti.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":4},{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"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},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 6, 2001 CE · Howrah, West Bengal · Vidhyamitra","description":"January 6, 2001 CE for Howrah, West Bengal: Śukla Ekādaśī, sūryodaya 06:19, sūryāsta 17:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2001-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2001-01-06","sa":"https://sa.vidhyamitra.com/city/howrah/2001-01-06","hi":"https://hi.vidhyamitra.com/city/howrah/2001-01-06","x-default":"https://vidhyamitra.com/city/howrah/2001-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T17:05:41.116Z","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":"2026-05-16T17:05:41.116Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T17:05:41.116Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}