{"id":"vidhyamitra:city-day:howrah:1981-09-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1981-09-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-09-19","date_display":"September 19, 1981 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":1981,"month":9,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444866.770833,"kali_year":5083,"ahargana":1856401.2708,"sun":{"sidereal_longitude":151.7341,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":35.7959,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.0617,"elapsed_within_tithi_degrees":4.0617},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.7959,"elapsed_within_degrees":9.1292},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.53},"karana":{"half_tithi_index":40,"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":1981,"month":9,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444866.770833,"ahargana":1856401.2708,"kali_year":5083,"ayanamsa_lahiri":23.5976,"grahas":{"sun":{"sidereal_longitude":152.42436799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":38.809267999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":-4.0134},"mars":{"sidereal_longitude":107.31736799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":178.48246800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":172.08986800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":193.77236800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":166.84096799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.927,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.927,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":1981,"month":9,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444866.770833,"kali_year":5083,"ahargana":1856401.2708,"sun":{"sidereal_longitude":151.7341,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":35.7959,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.0617,"elapsed_within_tithi_degrees":4.0617},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.7959,"elapsed_within_degrees":9.1292},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.53},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.013,"elongation":115.938},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.013,"opposition_distance":64.062}},"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":"05:24","sunsetLocal":"17:36","solarNoonLocal":"11:30","dayLengthHours":12.20812701059939,"dayLengthDisplay":"12 Hours 12 Mins 29 Secs","nightLengthDisplay":"11 Hours 47 Mins 31 Secs","moonriseLocal":"21:17","moonsetLocal":"10:34","rahuKala":{"name":"Rāhu Kāla","start":"08:27","end":"09:58","startHours":8.447406979225985,"endHours":9.97342285555091,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:02","end":"14:33","startHours":13.025454608200757,"endHours":14.55147048452568,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:24","end":"06:55","startHours":5.395375226576138,"endHours":6.921391102901062,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:39","startHours":8.243938195715996,"endHours":8.650875762735975,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:14","startHours":5.9040471853511125,"endHours":6.229597238967096,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:06","end":"11:54","startHours":11.092501164855854,"endHours":11.906376298895815,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:35","startHours":3.767624958496219,"endHours":4.581500092536179,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:24","startHours":4.378031309026189,"endHours":5.395375226576138,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:32","end":"14:21","startHours":13.534126566975733,"endHours":14.348001701015692,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.40350223717553,"endHours":17.80350223717553,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:07","startHours":17.60350223717553,"endHours":18.112174195950505,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.35350223717553,"endHours":19.10350223717553,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:06","end":"23:54","startHours":23.092501164855854,"endHours":23.906376298895815,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:24","end":"06:55","startHours":5.395375226576138,"endHours":6.921391102901062,"quality":"inauspicious"},{"name":"Śubha","start":"06:55","end":"08:27","startHours":6.921391102901062,"endHours":8.447406979225985,"quality":"auspicious"},{"name":"Roga","start":"08:27","end":"09:58","startHours":8.447406979225985,"endHours":9.97342285555091,"quality":"inauspicious"},{"name":"Udveg","start":"09:58","end":"11:30","startHours":9.97342285555091,"endHours":11.499438731875834,"quality":"inauspicious"},{"name":"Chala","start":"11:30","end":"13:02","startHours":11.499438731875834,"endHours":13.025454608200757,"quality":"neutral"},{"name":"Labha","start":"13:02","end":"14:33","startHours":13.025454608200757,"endHours":14.55147048452568,"quality":"auspicious"},{"name":"Amṛta","start":"14:33","end":"16:05","startHours":14.55147048452568,"endHours":16.077486360850607,"quality":"auspicious"},{"name":"Kāla","start":"16:05","end":"17:36","startHours":16.077486360850607,"endHours":17.60350223717553,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:36","end":"19:05","startHours":17.60350223717553,"endHours":19.077486360850607,"quality":"auspicious"},{"name":"Amṛta","start":"19:05","end":"20:33","startHours":19.077486360850607,"endHours":20.55147048452568,"quality":"auspicious"},{"name":"Kāla","start":"20:33","end":"22:02","startHours":20.55147048452568,"endHours":22.025454608200757,"quality":"inauspicious"},{"name":"Śubha","start":"22:02","end":"23:30","startHours":22.025454608200757,"endHours":23.499438731875834,"quality":"auspicious"},{"name":"Roga","start":"23:30","end":"00:58","startHours":23.499438731875834,"endHours":24.97342285555091,"quality":"inauspicious"},{"name":"Udveg","start":"00:58","end":"02:27","startHours":24.97342285555091,"endHours":26.44740697922599,"quality":"inauspicious"},{"name":"Chala","start":"02:27","end":"03:55","startHours":26.44740697922599,"endHours":27.92139110290106,"quality":"neutral"},{"name":"Labha","start":"03:55","end":"05:24","startHours":27.92139110290106,"endHours":29.39537522657614,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.395375226576138,"endHours":6.395375226576138,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.395375226576138,"endHours":7.395375226576138,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.395375226576138,"endHours":8.395375226576139,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.395375226576139,"endHours":9.395375226576139,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.395375226576139,"endHours":10.395375226576139,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.395375226576139,"endHours":11.395375226576139,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.395375226576139,"endHours":12.395375226576139,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.395375226576139,"endHours":13.395375226576139,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.395375226576139,"endHours":14.395375226576139,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.395375226576139,"endHours":15.395375226576139,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.395375226576139,"endHours":16.39537522657614,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.39537522657614,"endHours":17.39537522657614,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.39537522657614,"endHours":18.39537522657614,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.39537522657614,"endHours":19.39537522657614,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.39537522657614,"endHours":20.39537522657614,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.39537522657614,"endHours":21.39537522657614,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.39537522657614,"endHours":22.39537522657614,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.39537522657614,"endHours":23.39537522657614,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.39537522657614,"endHours":24.39537522657614,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.39537522657614,"endHours":25.39537522657614,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.39537522657614,"endHours":26.39537522657614,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.39537522657614,"endHours":27.39537522657614,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.39537522657614,"endHours":28.39537522657614,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.39537522657614,"endHours":29.39537522657614,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.581122277279312,"eotMinutes":6.979276087449932,"ayanamsa":23.5976}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ṣaṣṭhī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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 September 19, 1981 CE · Howrah, West Bengal · Vidhyamitra","description":"September 19, 1981 CE for Howrah, West Bengal: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:24, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1981-09-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1981-09-19","sa":"https://sa.vidhyamitra.com/city/howrah/1981-09-19","hi":"https://hi.vidhyamitra.com/city/howrah/1981-09-19","x-default":"https://vidhyamitra.com/city/howrah/1981-09-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:25:23.138Z","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":"2026-05-31T16:25:23.138Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:25:23.138Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}