{"id":"vidhyamitra:city-day:howrah:2017-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2017-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-02-05","date_display":"February 5, 2017 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":2017,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457789.770833,"kali_year":5118,"ahargana":1869324.2708,"sun":{"sidereal_longitude":292.3343,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":34.778,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.4437,"elapsed_within_tithi_degrees":6.4437},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.778,"elapsed_within_degrees":8.1114},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.1123},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2017,"month":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457789.770833,"ahargana":1869324.2708,"kali_year":5118,"ayanamsa_lahiri":24.0918,"grahas":{"sun":{"sidereal_longitude":292.33111399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":33.62331399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-4.4391},"mars":{"sidereal_longitude":341.462914,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":272.250714,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":178.55681400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":336.757214,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":240.69091400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":134.2043,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":314.2043,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":2017,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457789.770833,"kali_year":5118,"ahargana":1869324.2708,"sun":{"sidereal_longitude":292.3343,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":34.778,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.4437,"elapsed_within_tithi_degrees":6.4437},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.778,"elapsed_within_degrees":8.1114},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.1123},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.439,"elongation":102.444},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.439,"opposition_distance":77.556}},"eclipse_window_40days":[{"offset_days":6,"type":"lunar","occurs":true,"moon_latitude":-1.052,"opposition_distance":1.908}]},"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":"06:15","sunsetLocal":"17:28","solarNoonLocal":"11:51","dayLengthHours":11.217315234903294,"dayLengthDisplay":"11 Hours 13 Mins 02 Secs","nightLengthDisplay":"12 Hours 46 Mins 58 Secs","moonriseLocal":"11:59","moonsetLocal":"01:13","rahuKala":{"name":"Rāhu Kāla","start":"16:04","end":"17:28","startHours":16.058920183436527,"endHours":17.46108458779944,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:51","end":"13:15","startHours":11.852426970347793,"endHours":13.254591374710706,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:39","end":"16:04","startHours":14.656755779073617,"endHours":16.058920183436527,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:14","startHours":8.861142907706915,"endHours":9.235053415537024,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:01","startHours":6.711157487683784,"endHours":7.010285893947872,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:14","startHours":11.478516462517684,"endHours":12.226337478177902,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:30","startHours":4.748127321575707,"endHours":5.495948337235927,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:15","startHours":5.308993083320872,"endHours":6.243769352896146,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:28","startHours":13.721979509498343,"endHours":14.469800525158563,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.26108458779944,"endHours":17.66108458779944,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:56","startHours":17.46108458779944,"endHours":17.928472722587077,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.21108458779944,"endHours":18.96108458779944,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:14","startHours":23.478516462517682,"endHours":24.226337478177904,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:15","end":"07:39","startHours":6.243769352896146,"endHours":7.645933757259058,"quality":"inauspicious"},{"name":"Chala","start":"07:39","end":"09:03","startHours":7.645933757259058,"endHours":9.04809816162197,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:27","startHours":9.04809816162197,"endHours":10.450262565984882,"quality":"auspicious"},{"name":"Amṛta","start":"10:27","end":"11:51","startHours":10.450262565984882,"endHours":11.852426970347793,"quality":"auspicious"},{"name":"Kāla","start":"11:51","end":"13:15","startHours":11.852426970347793,"endHours":13.254591374710706,"quality":"inauspicious"},{"name":"Śubha","start":"13:15","end":"14:39","startHours":13.254591374710706,"endHours":14.656755779073617,"quality":"auspicious"},{"name":"Roga","start":"14:39","end":"16:04","startHours":14.656755779073617,"endHours":16.058920183436527,"quality":"inauspicious"},{"name":"Udveg","start":"16:04","end":"17:28","startHours":16.058920183436527,"endHours":17.46108458779944,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:28","end":"19:04","startHours":17.46108458779944,"endHours":19.05892018343653,"quality":"auspicious"},{"name":"Roga","start":"19:04","end":"20:39","startHours":19.05892018343653,"endHours":20.656755779073617,"quality":"inauspicious"},{"name":"Udveg","start":"20:39","end":"22:15","startHours":20.656755779073617,"endHours":22.254591374710706,"quality":"inauspicious"},{"name":"Chala","start":"22:15","end":"23:51","startHours":22.254591374710706,"endHours":23.852426970347793,"quality":"neutral"},{"name":"Labha","start":"23:51","end":"01:27","startHours":23.852426970347793,"endHours":25.450262565984882,"quality":"auspicious"},{"name":"Amṛta","start":"01:27","end":"03:03","startHours":25.450262565984882,"endHours":27.048098161621972,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:39","startHours":27.048098161621972,"endHours":28.64593375725906,"quality":"inauspicious"},{"name":"Śubha","start":"04:39","end":"06:15","startHours":28.64593375725906,"endHours":30.243769352896145,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.243769352896146,"endHours":7.243769352896146,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.243769352896146,"endHours":8.243769352896146,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.243769352896146,"endHours":9.243769352896146,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.243769352896146,"endHours":10.243769352896146,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.243769352896146,"endHours":11.243769352896146,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.243769352896146,"endHours":12.243769352896146,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.243769352896146,"endHours":13.243769352896146,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.243769352896146,"endHours":14.243769352896146,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.243769352896146,"endHours":15.243769352896146,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.243769352896146,"endHours":16.243769352896145,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.243769352896145,"endHours":17.243769352896145,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.243769352896145,"endHours":18.243769352896145,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.243769352896145,"endHours":19.243769352896145,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.243769352896145,"endHours":20.243769352896145,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.243769352896145,"endHours":21.243769352896145,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.243769352896145,"endHours":22.243769352896145,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.243769352896145,"endHours":23.243769352896145,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.243769352896145,"endHours":24.243769352896145,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.243769352896145,"endHours":25.243769352896145,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.243769352896145,"endHours":26.243769352896145,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.243769352896145,"endHours":27.243769352896145,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.243769352896145,"endHours":28.243769352896145,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.243769352896145,"endHours":29.243769352896145,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.243769352896145,"endHours":30.243769352896145,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.912490223360471,"eotMinutes":-14.200018220867548,"ayanamsa":24.0918}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 February 5, 2017 CE · Howrah, West Bengal · Vidhyamitra","description":"February 5, 2017 CE for Howrah, West Bengal: Śukla Navamī, sūryodaya 06:15, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2017-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2017-02-05","sa":"https://sa.vidhyamitra.com/city/howrah/2017-02-05","hi":"https://hi.vidhyamitra.com/city/howrah/2017-02-05","x-default":"https://vidhyamitra.com/city/howrah/2017-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:28:31.287Z","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":"2026-05-15T20:28:31.287Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:28:31.287Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}