{"id":"vidhyamitra:city-day:howrah:1998-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1998-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-08-17","date_display":"August 17, 1998 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":1998,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451042.770833,"kali_year":5100,"ahargana":1862577.2708,"sun":{"sidereal_longitude":119.5013,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":57.3868,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.8854,"elapsed_within_tithi_degrees":9.8854},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":57.3868,"elapsed_within_degrees":4.0534},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.8881},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1998,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451042.770833,"ahargana":1862577.2708,"kali_year":5100,"ayanamsa_lahiri":23.8338,"grahas":{"sun":{"sidereal_longitude":120.11989900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":58.79139900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":-4.3319},"mars":{"sidereal_longitude":93.771999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":114.853699,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":332.798499,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":100.67129899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":9.742398999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":131.6928,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.6928,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451042.770833,"kali_year":5100,"ahargana":1862577.2708,"sun":{"sidereal_longitude":119.5013,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":57.3868,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.8854,"elapsed_within_tithi_degrees":9.8854},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":57.3868,"elapsed_within_degrees":4.0534},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.8881},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.332,"elongation":62.115},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.332,"opposition_distance":117.885}},"eclipse_window_40days":[{"offset_days":5,"type":"solar","occurs":true,"moon_latitude":-0.467,"elongation":1.174}]},"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":"05:14","sunsetLocal":"18:07","solarNoonLocal":"11:41","dayLengthHours":12.8911043356837,"dayLengthDisplay":"12 Hours 53 Mins 28 Secs","nightLengthDisplay":"11 Hours 06 Mins 32 Secs","moonriseLocal":"00:51","moonsetLocal":"14:19","rahuKala":{"name":"Rāhu Kāla","start":"06:51","end":"08:27","startHours":6.8441555666872445,"endHours":8.455543608647707,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:04","end":"11:41","startHours":10.066931650608169,"endHours":11.678319692568632,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:17","end":"14:54","startHours":13.289707734529095,"endHours":14.901095776489557,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:14","end":"08:40","startHours":8.240691869719646,"endHours":8.670395347575768,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:07","startHours":5.769896872046936,"endHours":6.113659654331835,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:15","end":"12:06","startHours":11.24861621471251,"endHours":12.108023170424755,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:31","end":"04:22","startHours":3.513953613302289,"endHours":4.373360569014535,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:14","startHours":4.158508830086474,"endHours":5.232767524726782,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:50","end":"14:41","startHours":13.826837081849249,"endHours":14.686244037561496,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.923871860410483,"endHours":18.32387186041048,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:40","startHours":18.123871860410482,"endHours":18.661001207730635,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.873871860410482,"endHours":19.623871860410482,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:15","end":"00:06","startHours":23.24861621471251,"endHours":24.108023170424755,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:14","end":"06:51","startHours":5.232767524726782,"endHours":6.8441555666872445,"quality":"auspicious"},{"name":"Kāla","start":"06:51","end":"08:27","startHours":6.8441555666872445,"endHours":8.455543608647707,"quality":"inauspicious"},{"name":"Śubha","start":"08:27","end":"10:04","startHours":8.455543608647707,"endHours":10.066931650608169,"quality":"auspicious"},{"name":"Roga","start":"10:04","end":"11:41","startHours":10.066931650608169,"endHours":11.678319692568632,"quality":"inauspicious"},{"name":"Udveg","start":"11:41","end":"13:17","startHours":11.678319692568632,"endHours":13.289707734529095,"quality":"inauspicious"},{"name":"Chala","start":"13:17","end":"14:54","startHours":13.289707734529095,"endHours":14.901095776489557,"quality":"neutral"},{"name":"Labha","start":"14:54","end":"16:31","startHours":14.901095776489557,"endHours":16.51248381845002,"quality":"auspicious"},{"name":"Amṛta","start":"16:31","end":"18:07","startHours":16.51248381845002,"endHours":18.123871860410482,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:07","end":"19:31","startHours":18.123871860410482,"endHours":19.51248381845002,"quality":"neutral"},{"name":"Labha","start":"19:31","end":"20:54","startHours":19.51248381845002,"endHours":20.901095776489555,"quality":"auspicious"},{"name":"Amṛta","start":"20:54","end":"22:17","startHours":20.901095776489555,"endHours":22.289707734529095,"quality":"auspicious"},{"name":"Kāla","start":"22:17","end":"23:41","startHours":22.289707734529095,"endHours":23.678319692568632,"quality":"inauspicious"},{"name":"Śubha","start":"23:41","end":"01:04","startHours":23.678319692568632,"endHours":25.06693165060817,"quality":"auspicious"},{"name":"Roga","start":"01:04","end":"02:27","startHours":25.06693165060817,"endHours":26.45554360864771,"quality":"inauspicious"},{"name":"Udveg","start":"02:27","end":"03:51","startHours":26.45554360864771,"endHours":27.844155566687245,"quality":"inauspicious"},{"name":"Chala","start":"03:51","end":"05:14","startHours":27.844155566687245,"endHours":29.232767524726782,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:14","end":"06:14","startHours":5.232767524726782,"endHours":6.232767524726782,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:14","end":"07:14","startHours":6.232767524726782,"endHours":7.232767524726782,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:14","end":"08:14","startHours":7.232767524726782,"endHours":8.232767524726782,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:14","end":"09:14","startHours":8.232767524726782,"endHours":9.232767524726782,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:14","end":"10:14","startHours":9.232767524726782,"endHours":10.232767524726782,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:14","end":"11:14","startHours":10.232767524726782,"endHours":11.232767524726782,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:14","end":"12:14","startHours":11.232767524726782,"endHours":12.232767524726782,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:14","end":"13:14","startHours":12.232767524726782,"endHours":13.232767524726782,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:14","end":"14:14","startHours":13.232767524726782,"endHours":14.232767524726782,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:14","end":"15:14","startHours":14.232767524726782,"endHours":15.232767524726782,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:14","end":"16:14","startHours":15.232767524726782,"endHours":16.232767524726782,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:14","end":"17:14","startHours":16.232767524726782,"endHours":17.232767524726782,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:14","end":"18:14","startHours":17.232767524726782,"endHours":18.232767524726782,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:14","end":"19:14","startHours":18.232767524726782,"endHours":19.232767524726782,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:14","end":"20:14","startHours":19.232767524726782,"endHours":20.232767524726782,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:14","end":"21:14","startHours":20.232767524726782,"endHours":21.232767524726782,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:14","end":"22:14","startHours":21.232767524726782,"endHours":22.232767524726782,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:14","end":"23:14","startHours":22.232767524726782,"endHours":23.232767524726782,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:14","end":"00:14","startHours":23.232767524726782,"endHours":24.232767524726782,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:14","end":"01:14","startHours":24.232767524726782,"endHours":25.232767524726782,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:14","end":"02:14","startHours":25.232767524726782,"endHours":26.232767524726782,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:14","end":"03:14","startHours":26.232767524726782,"endHours":27.232767524726782,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:14","end":"04:14","startHours":27.232767524726782,"endHours":28.232767524726782,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:14","end":"05:14","startHours":28.232767524726782,"endHours":29.232767524726782,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.535112986098707,"eotMinutes":-3.7535815541179196,"ayanamsa":23.8338}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Daśamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi_ingress":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 August 17, 1998 CE · Howrah, West Bengal · Vidhyamitra","description":"August 17, 1998 CE for Howrah, West Bengal: Kṛṣṇa Daśamī, sūryodaya 05:14, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1998-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1998-08-17","sa":"https://sa.vidhyamitra.com/city/howrah/1998-08-17","hi":"https://hi.vidhyamitra.com/city/howrah/1998-08-17","x-default":"https://vidhyamitra.com/city/howrah/1998-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:06:18.574Z","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":"2026-06-01T22:06:18.574Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:06:18.574Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}