{"id":"vidhyamitra:city-day:howrah:2018-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2018-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-02-17","date_display":"February 17, 2018 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":2018,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458166.770833,"kali_year":5119,"ahargana":1869701.2708,"sun":{"sidereal_longitude":304.2769,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":318.1564,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.8795,"elapsed_within_tithi_degrees":1.8795},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.1564,"elapsed_within_degrees":11.4898},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.4334},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2018,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458166.770833,"ahargana":1869701.2708,"kali_year":5119,"ayanamsa_lahiri":24.1063,"grahas":{"sun":{"sidereal_longitude":304.21141,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":317.34941000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-1.8235},"mars":{"sidereal_longitude":228.70801000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":303.57041000000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":208.27990999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":313.26901,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":252.10681,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":114.229,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":294.229,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":2018,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458166.770833,"kali_year":5119,"ahargana":1869701.2708,"sun":{"sidereal_longitude":304.2769,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":318.1564,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.8795,"elapsed_within_tithi_degrees":1.8795},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.1564,"elapsed_within_degrees":11.4898},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.4334},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.824,"elongation":13.88},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.824,"opposition_distance":166.12}},"eclipse_window_40days":[{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-0.855,"elongation":1.98}]},"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":"06:08","sunsetLocal":"17:35","solarNoonLocal":"11:51","dayLengthHours":11.44339697452256,"dayLengthDisplay":"11 Hours 26 Mins 36 Secs","nightLengthDisplay":"12 Hours 33 Mins 24 Secs","moonriseLocal":"06:54","moonsetLocal":"18:34","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:26","startHours":8.99645356222496,"endHours":10.426878184040282,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:17","end":"14:43","startHours":13.287727427670921,"endHours":14.718152049486243,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:08","end":"07:34","startHours":6.135604318594321,"endHours":7.566028940409641,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:11","startHours":8.805730279316252,"endHours":9.18717684513367,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:55","startHours":6.612412525866095,"endHours":6.917569778520029,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:14","startHours":11.475856240038183,"endHours":12.23874937167302,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:22","startHours":4.609818055324647,"endHours":5.372711186959484,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:11","end":"06:08","startHours":5.181987904050775,"endHours":6.135604318594321,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:32","startHours":13.764535634942696,"endHours":14.527428766577534,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.379001293116882,"endHours":17.77900129311688,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:03","startHours":17.57900129311688,"endHours":18.055809500388655,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.32900129311688,"endHours":19.07900129311688,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:14","startHours":23.475856240038183,"endHours":24.238749371673023,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:08","end":"07:34","startHours":6.135604318594321,"endHours":7.566028940409641,"quality":"inauspicious"},{"name":"Śubha","start":"07:34","end":"09:00","startHours":7.566028940409641,"endHours":8.99645356222496,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:26","startHours":8.99645356222496,"endHours":10.426878184040282,"quality":"inauspicious"},{"name":"Udveg","start":"10:26","end":"11:51","startHours":10.426878184040282,"endHours":11.857302805855602,"quality":"inauspicious"},{"name":"Chala","start":"11:51","end":"13:17","startHours":11.857302805855602,"endHours":13.287727427670921,"quality":"neutral"},{"name":"Labha","start":"13:17","end":"14:43","startHours":13.287727427670921,"endHours":14.718152049486243,"quality":"auspicious"},{"name":"Amṛta","start":"14:43","end":"16:09","startHours":14.718152049486243,"endHours":16.148576671301562,"quality":"auspicious"},{"name":"Kāla","start":"16:09","end":"17:35","startHours":16.148576671301562,"endHours":17.57900129311688,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:35","end":"19:09","startHours":17.57900129311688,"endHours":19.148576671301562,"quality":"auspicious"},{"name":"Amṛta","start":"19:09","end":"20:43","startHours":19.148576671301562,"endHours":20.718152049486243,"quality":"auspicious"},{"name":"Kāla","start":"20:43","end":"22:17","startHours":20.718152049486243,"endHours":22.287727427670923,"quality":"inauspicious"},{"name":"Śubha","start":"22:17","end":"23:51","startHours":22.287727427670923,"endHours":23.857302805855603,"quality":"auspicious"},{"name":"Roga","start":"23:51","end":"01:26","startHours":23.857302805855603,"endHours":25.426878184040284,"quality":"inauspicious"},{"name":"Udveg","start":"01:26","end":"03:00","startHours":25.426878184040284,"endHours":26.99645356222496,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:34","startHours":26.99645356222496,"endHours":28.56602894040964,"quality":"neutral"},{"name":"Labha","start":"04:34","end":"06:08","startHours":28.56602894040964,"endHours":30.13560431859432,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.135604318594321,"endHours":7.135604318594321,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.135604318594321,"endHours":8.135604318594321,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.135604318594321,"endHours":9.135604318594321,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.135604318594321,"endHours":10.135604318594321,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.135604318594321,"endHours":11.135604318594321,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.135604318594321,"endHours":12.135604318594321,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.135604318594321,"endHours":13.135604318594321,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.135604318594321,"endHours":14.135604318594321,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.135604318594321,"endHours":15.135604318594321,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.135604318594321,"endHours":16.13560431859432,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.13560431859432,"endHours":17.13560431859432,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.13560431859432,"endHours":18.13560431859432,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.13560431859432,"endHours":19.13560431859432,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.13560431859432,"endHours":20.13560431859432,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.13560431859432,"endHours":21.13560431859432,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.13560431859432,"endHours":22.13560431859432,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.13560431859432,"endHours":23.13560431859432,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.13560431859432,"endHours":24.13560431859432,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.13560431859432,"endHours":25.13560431859432,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.13560431859432,"endHours":26.13560431859432,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.13560431859432,"endHours":27.13560431859432,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.13560431859432,"endHours":28.13560431859432,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.13560431859432,"endHours":29.13560431859432,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.13560431859432,"endHours":30.13560431859432,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.057459332155345,"eotMinutes":-14.492568351336082,"ayanamsa":24.1063}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"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":[]},"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 February 17, 2018 CE · Howrah, West Bengal · Vidhyamitra","description":"February 17, 2018 CE for Howrah, West Bengal: Śukla Dvitīyā, sūryodaya 06:08, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2018-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2018-02-17","sa":"https://sa.vidhyamitra.com/city/howrah/2018-02-17","hi":"https://hi.vidhyamitra.com/city/howrah/2018-02-17","x-default":"https://vidhyamitra.com/city/howrah/2018-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:16:04.591Z","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":"2026-05-15T07:16:04.591Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:16:04.591Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}