{"id":"vidhyamitra:city-day:howrah:2001-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2001-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-15","date_display":"September 15, 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":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452167.770833,"kali_year":5103,"ahargana":1863702.2708,"sun":{"sidereal_longitude":147.6691,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":115.8893,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.2202,"elapsed_within_tithi_degrees":4.2202},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.8893,"elapsed_within_degrees":9.2226},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.5584},"karana":{"half_tithi_index":54,"name":"Gara"},"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":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452167.770833,"ahargana":1863702.2708,"kali_year":5103,"ayanamsa_lahiri":23.8768,"grahas":{"sun":{"sidereal_longitude":148.400216,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":114.38541599999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":3.1132},"mars":{"sidereal_longitude":249.43221599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":174.56031600000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":78.12701600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":118.78511600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":50.898015999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.0849,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.0849,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452167.770833,"kali_year":5103,"ahargana":1863702.2708,"sun":{"sidereal_longitude":147.6691,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":115.8893,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.2202,"elapsed_within_tithi_degrees":4.2202},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.8893,"elapsed_within_degrees":9.2226},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.5584},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.113,"elongation":31.78},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.113,"opposition_distance":148.22}},"eclipse_window_40days":[]},"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":"05:23","sunsetLocal":"17:40","solarNoonLocal":"11:31","dayLengthHours":12.290714003844919,"dayLengthDisplay":"12 Hours 17 Mins 27 Secs","nightLengthDisplay":"11 Hours 42 Mins 33 Secs","moonriseLocal":"02:47","moonsetLocal":"15:44","rahuKala":{"name":"Rāhu Kāla","start":"08:27","end":"09:59","startHours":8.451470279315394,"endHours":9.98780952979601,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:04","end":"14:36","startHours":13.06048803075724,"endHours":14.596827281237854,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:23","end":"06:55","startHours":5.378791778354166,"endHours":6.9151310288347805,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:39","startHours":8.24662504591798,"endHours":8.65631551271281,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:13","startHours":5.890904861847704,"endHours":6.218657235283569,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"11:56","startHours":11.114458313481796,"endHours":11.933839247071456,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:34","startHours":3.740029911174843,"endHours":4.559410844764504,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:21","end":"05:23","startHours":4.354565611367089,"endHours":5.378791778354166,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:34","end":"14:24","startHours":13.572601114250777,"endHours":14.391982047840438,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.469505782199086,"endHours":17.869505782199084,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:11","startHours":17.669505782199085,"endHours":18.181618865692624,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.419505782199085,"endHours":19.169505782199085,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"23:56","startHours":23.114458313481794,"endHours":23.933839247071457,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:23","end":"06:55","startHours":5.378791778354166,"endHours":6.9151310288347805,"quality":"inauspicious"},{"name":"Śubha","start":"06:55","end":"08:27","startHours":6.9151310288347805,"endHours":8.451470279315394,"quality":"auspicious"},{"name":"Roga","start":"08:27","end":"09:59","startHours":8.451470279315394,"endHours":9.98780952979601,"quality":"inauspicious"},{"name":"Udveg","start":"09:59","end":"11:31","startHours":9.98780952979601,"endHours":11.524148780276626,"quality":"inauspicious"},{"name":"Chala","start":"11:31","end":"13:04","startHours":11.524148780276626,"endHours":13.06048803075724,"quality":"neutral"},{"name":"Labha","start":"13:04","end":"14:36","startHours":13.06048803075724,"endHours":14.596827281237854,"quality":"auspicious"},{"name":"Amṛta","start":"14:36","end":"16:08","startHours":14.596827281237854,"endHours":16.13316653171847,"quality":"auspicious"},{"name":"Kāla","start":"16:08","end":"17:40","startHours":16.13316653171847,"endHours":17.669505782199085,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:40","end":"19:08","startHours":17.669505782199085,"endHours":19.13316653171847,"quality":"auspicious"},{"name":"Amṛta","start":"19:08","end":"20:36","startHours":19.13316653171847,"endHours":20.596827281237857,"quality":"auspicious"},{"name":"Kāla","start":"20:36","end":"22:04","startHours":20.596827281237857,"endHours":22.06048803075724,"quality":"inauspicious"},{"name":"Śubha","start":"22:04","end":"23:31","startHours":22.06048803075724,"endHours":23.524148780276626,"quality":"auspicious"},{"name":"Roga","start":"23:31","end":"00:59","startHours":23.524148780276626,"endHours":24.98780952979601,"quality":"inauspicious"},{"name":"Udveg","start":"00:59","end":"02:27","startHours":24.98780952979601,"endHours":26.451470279315394,"quality":"inauspicious"},{"name":"Chala","start":"02:27","end":"03:55","startHours":26.451470279315394,"endHours":27.915131028834782,"quality":"neutral"},{"name":"Labha","start":"03:55","end":"05:23","startHours":27.915131028834782,"endHours":29.378791778354167,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.378791778354166,"endHours":6.378791778354166,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.378791778354166,"endHours":7.378791778354166,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.378791778354166,"endHours":8.378791778354167,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.378791778354167,"endHours":9.378791778354167,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.378791778354167,"endHours":10.378791778354167,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.378791778354167,"endHours":11.378791778354167,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.378791778354167,"endHours":12.378791778354167,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.378791778354167,"endHours":13.378791778354167,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.378791778354167,"endHours":14.378791778354167,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.378791778354167,"endHours":15.378791778354167,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.378791778354167,"endHours":16.378791778354167,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.378791778354167,"endHours":17.378791778354167,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.378791778354167,"endHours":18.378791778354167,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.378791778354167,"endHours":19.378791778354167,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.378791778354167,"endHours":20.378791778354167,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.378791778354167,"endHours":21.378791778354167,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.378791778354167,"endHours":22.378791778354167,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.378791778354167,"endHours":23.378791778354167,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.378791778354167,"endHours":24.378791778354167,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.378791778354167,"endHours":25.378791778354167,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.378791778354167,"endHours":26.378791778354167,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.378791778354167,"endHours":27.378791778354167,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.378791778354167,"endHours":28.378791778354167,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.378791778354167,"endHours":29.378791778354167,"planetary_lord":"Mercury"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.0638484131704113,"eotMinutes":5.496673183402374,"ayanamsa":23.8768}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Trayodaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"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":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 15, 2001 CE · Howrah, West Bengal · Vidhyamitra","description":"September 15, 2001 CE for Howrah, West Bengal: Kṛṣṇa Trayodaśī, sūryodaya 05:23, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2001-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2001-09-15","sa":"https://sa.vidhyamitra.com/city/howrah/2001-09-15","hi":"https://hi.vidhyamitra.com/city/howrah/2001-09-15","x-default":"https://vidhyamitra.com/city/howrah/2001-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:42:44.632Z","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":"2026-06-02T10:42:44.632Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:42:44.632Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}