{"id":"vidhyamitra:city-day:howrah:2001-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2001-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-04","date_display":"September 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452156.770833,"kali_year":5103,"ahargana":1863691.2708,"sun":{"sidereal_longitude":137.0112,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":331.1984,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.1872,"elapsed_within_tithi_degrees":2.1872},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.1984,"elapsed_within_degrees":11.1984},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.2096},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":2001,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452156.770833,"ahargana":1863691.2708,"kali_year":5103,"ayanamsa_lahiri":23.8764,"grahas":{"sun":{"sidereal_longitude":137.712336,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":330.06013600000006,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-4.41},"mars":{"sidereal_longitude":243.77743599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":160.42523600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":76.48433599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":105.519136,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":50.55703600000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.6678,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.6678,"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452156.770833,"kali_year":5103,"ahargana":1863691.2708,"sun":{"sidereal_longitude":137.0112,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":331.1984,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.1872,"elapsed_within_tithi_degrees":2.1872},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.1984,"elapsed_within_degrees":11.1984},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.2096},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.41,"elongation":165.813},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.41,"opposition_distance":14.187}},"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":"05:20","sunsetLocal":"17:51","solarNoonLocal":"11:35","dayLengthHours":12.524239448837585,"dayLengthDisplay":"12 Hours 31 Mins 27 Secs","nightLengthDisplay":"11 Hours 28 Mins 33 Secs","moonriseLocal":"18:26","moonsetLocal":"06:23","rahuKala":{"name":"Rāhu Kāla","start":"14:43","end":"16:17","startHours":14.72185592725513,"endHours":16.287385858359826,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:28","end":"10:02","startHours":8.459736202836336,"endHours":10.025266133941034,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:35","end":"13:09","startHours":11.590796065045733,"endHours":13.15632599615043,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:40","startHours":8.250998878689042,"endHours":8.668473526983629,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:11","startHours":5.850519650995173,"endHours":6.184499369630842,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:10","end":"12:00","startHours":11.173321416751147,"endHours":12.00827071334032,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:30","startHours":3.658777747448595,"endHours":4.493727044037767,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:20","startHours":4.284989719890474,"endHours":5.32867634062694,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:31","startHours":13.678169306518663,"endHours":14.513118603107836,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.652915789464526,"endHours":18.052915789464524,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:22","startHours":17.852915789464525,"endHours":18.374759099832758,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.602915789464525,"endHours":19.352915789464525,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:10","end":"00:00","startHours":23.173321416751147,"endHours":24.00827071334032,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:20","end":"06:54","startHours":5.32867634062694,"endHours":6.894206271731638,"quality":"inauspicious"},{"name":"Udveg","start":"06:54","end":"08:28","startHours":6.894206271731638,"endHours":8.459736202836336,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"10:02","startHours":8.459736202836336,"endHours":10.025266133941034,"quality":"neutral"},{"name":"Labha","start":"10:02","end":"11:35","startHours":10.025266133941034,"endHours":11.590796065045733,"quality":"auspicious"},{"name":"Amṛta","start":"11:35","end":"13:09","startHours":11.590796065045733,"endHours":13.15632599615043,"quality":"auspicious"},{"name":"Kāla","start":"13:09","end":"14:43","startHours":13.15632599615043,"endHours":14.72185592725513,"quality":"inauspicious"},{"name":"Śubha","start":"14:43","end":"16:17","startHours":14.72185592725513,"endHours":16.287385858359826,"quality":"auspicious"},{"name":"Roga","start":"16:17","end":"17:51","startHours":16.287385858359826,"endHours":17.852915789464525,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:51","end":"19:17","startHours":17.852915789464525,"endHours":19.287385858359826,"quality":"inauspicious"},{"name":"Śubha","start":"19:17","end":"20:43","startHours":19.287385858359826,"endHours":20.721855927255127,"quality":"auspicious"},{"name":"Roga","start":"20:43","end":"22:09","startHours":20.721855927255127,"endHours":22.15632599615043,"quality":"inauspicious"},{"name":"Udveg","start":"22:09","end":"23:35","startHours":22.15632599615043,"endHours":23.590796065045733,"quality":"inauspicious"},{"name":"Chala","start":"23:35","end":"01:02","startHours":23.590796065045733,"endHours":25.025266133941034,"quality":"neutral"},{"name":"Labha","start":"01:02","end":"02:28","startHours":25.025266133941034,"endHours":26.459736202836336,"quality":"auspicious"},{"name":"Amṛta","start":"02:28","end":"03:54","startHours":26.459736202836336,"endHours":27.89420627173164,"quality":"auspicious"},{"name":"Kāla","start":"03:54","end":"05:20","startHours":27.89420627173164,"endHours":29.32867634062694,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.32867634062694,"endHours":6.32867634062694,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.32867634062694,"endHours":7.32867634062694,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.32867634062694,"endHours":8.32867634062694,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.32867634062694,"endHours":9.32867634062694,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.32867634062694,"endHours":10.32867634062694,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.32867634062694,"endHours":11.32867634062694,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.32867634062694,"endHours":12.32867634062694,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.32867634062694,"endHours":13.32867634062694,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.32867634062694,"endHours":14.32867634062694,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.32867634062694,"endHours":15.32867634062694,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.32867634062694,"endHours":16.32867634062694,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.32867634062694,"endHours":17.32867634062694,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.32867634062694,"endHours":18.32867634062694,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.32867634062694,"endHours":19.32867634062694,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.32867634062694,"endHours":20.32867634062694,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.32867634062694,"endHours":21.32867634062694,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.32867634062694,"endHours":22.32867634062694,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.32867634062694,"endHours":23.32867634062694,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.32867634062694,"endHours":24.32867634062694,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.32867634062694,"endHours":25.32867634062694,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.32867634062694,"endHours":26.32867634062694,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.32867634062694,"endHours":27.32867634062694,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.32867634062694,"endHours":28.32867634062694,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.32867634062694,"endHours":29.32867634062694,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","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":7.216449368391953,"eotMinutes":1.4978360972560227,"ayanamsa":23.8764}},"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 Dvitīyā · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"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":[]},"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 4, 2001 CE · Howrah, West Bengal · Vidhyamitra","description":"September 4, 2001 CE for Howrah, West Bengal: Kṛṣṇa Dvitīyā, sūryodaya 05:20, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2001-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2001-09-04","sa":"https://sa.vidhyamitra.com/city/howrah/2001-09-04","hi":"https://hi.vidhyamitra.com/city/howrah/2001-09-04","x-default":"https://vidhyamitra.com/city/howrah/2001-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:18:05.469Z","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":"2026-06-01T05:18:05.469Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:18:05.469Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}