{"id":"vidhyamitra:city-day:howrah:2011-02-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2011-02-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-02-10","date_display":"February 10, 2011 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":2011,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455602.770833,"kali_year":5112,"ahargana":1867137.2708,"sun":{"sidereal_longitude":296.9732,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":16.3007,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.3275,"elapsed_within_tithi_degrees":7.3275},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.3007,"elapsed_within_degrees":2.9673},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.2738},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2011,"month":2,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455602.770833,"ahargana":1867137.2708,"kali_year":5112,"ayanamsa_lahiri":24.0082,"grahas":{"sun":{"sidereal_longitude":296.928674,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":12.74177400000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":3.6292},"mars":{"sidereal_longitude":295.57557399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":285.625674,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":339.614874,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":252.4047740000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":172.780074,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":250.0821,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.0821,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2011,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455602.770833,"kali_year":5112,"ahargana":1867137.2708,"sun":{"sidereal_longitude":296.9732,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":16.3007,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.3275,"elapsed_within_tithi_degrees":7.3275},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.3007,"elapsed_within_degrees":2.9673},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.2738},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.629,"elongation":79.328},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.629,"opposition_distance":100.672}},"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":"06:12","sunsetLocal":"17:30","solarNoonLocal":"11:51","dayLengthHours":11.300136833487464,"dayLengthDisplay":"11 Hours 18 Mins 00 Secs","nightLengthDisplay":"12 Hours 42 Mins 00 Secs","moonriseLocal":"10:29","moonsetLocal":"23:21","rahuKala":{"name":"Rāhu Kāla","start":"13:16","end":"14:41","startHours":13.270721862378004,"endHours":14.683238966563938,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:12","end":"07:37","startHours":6.208136341448339,"endHours":7.620653445634272,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:02","end":"10:27","startHours":9.033170549820206,"endHours":10.445687654006138,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:13","startHours":8.844834935928747,"endHours":9.221506163711663,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"06:59","startHours":6.678975376176983,"endHours":6.9803123584033155,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:14","startHours":11.481533530409154,"endHours":12.234875985974986,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:27","startHours":4.701451430316677,"endHours":5.454793885882507,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:12","startHours":5.26645827199105,"endHours":6.208136341448339,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:30","startHours":13.741560897106648,"endHours":14.494903352672479,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.308273174935803,"endHours":17.7082731749358,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.508273174935802,"endHours":17.979112209664446,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.258273174935802,"endHours":19.008273174935802,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:14","startHours":23.481533530409155,"endHours":24.234875985974984,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:12","end":"07:37","startHours":6.208136341448339,"endHours":7.620653445634272,"quality":"auspicious"},{"name":"Roga","start":"07:37","end":"09:02","startHours":7.620653445634272,"endHours":9.033170549820206,"quality":"inauspicious"},{"name":"Udveg","start":"09:02","end":"10:27","startHours":9.033170549820206,"endHours":10.445687654006138,"quality":"inauspicious"},{"name":"Chala","start":"10:27","end":"11:51","startHours":10.445687654006138,"endHours":11.85820475819207,"quality":"neutral"},{"name":"Labha","start":"11:51","end":"13:16","startHours":11.85820475819207,"endHours":13.270721862378004,"quality":"auspicious"},{"name":"Amṛta","start":"13:16","end":"14:41","startHours":13.270721862378004,"endHours":14.683238966563938,"quality":"auspicious"},{"name":"Kāla","start":"14:41","end":"16:06","startHours":14.683238966563938,"endHours":16.095756070749868,"quality":"inauspicious"},{"name":"Śubha","start":"16:06","end":"17:30","startHours":16.095756070749868,"endHours":17.508273174935802,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:30","end":"19:06","startHours":17.508273174935802,"endHours":19.095756070749868,"quality":"auspicious"},{"name":"Kāla","start":"19:06","end":"20:41","startHours":19.095756070749868,"endHours":20.683238966563934,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"22:16","startHours":20.683238966563934,"endHours":22.270721862378004,"quality":"auspicious"},{"name":"Roga","start":"22:16","end":"23:51","startHours":22.270721862378004,"endHours":23.85820475819207,"quality":"inauspicious"},{"name":"Udveg","start":"23:51","end":"01:27","startHours":23.85820475819207,"endHours":25.445687654006136,"quality":"inauspicious"},{"name":"Chala","start":"01:27","end":"03:02","startHours":25.445687654006136,"endHours":27.033170549820206,"quality":"neutral"},{"name":"Labha","start":"03:02","end":"04:37","startHours":27.033170549820206,"endHours":28.62065344563427,"quality":"auspicious"},{"name":"Amṛta","start":"04:37","end":"06:12","startHours":28.62065344563427,"endHours":30.208136341448338,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.208136341448339,"endHours":7.208136341448339,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.208136341448339,"endHours":8.208136341448338,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.208136341448338,"endHours":9.208136341448338,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.208136341448338,"endHours":10.208136341448338,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.208136341448338,"endHours":11.208136341448338,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.208136341448338,"endHours":12.208136341448338,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.208136341448338,"endHours":13.208136341448338,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.208136341448338,"endHours":14.208136341448338,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.208136341448338,"endHours":15.208136341448338,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.208136341448338,"endHours":16.208136341448338,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.208136341448338,"endHours":17.208136341448338,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.208136341448338,"endHours":18.208136341448338,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.208136341448338,"endHours":19.208136341448338,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.208136341448338,"endHours":20.208136341448338,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.208136341448338,"endHours":21.208136341448338,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.208136341448338,"endHours":22.208136341448338,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.208136341448338,"endHours":23.208136341448338,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.208136341448338,"endHours":24.208136341448338,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.208136341448338,"endHours":25.208136341448338,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.208136341448338,"endHours":26.208136341448338,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.208136341448338,"endHours":27.208136341448338,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.208136341448338,"endHours":28.208136341448338,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.208136341448338,"endHours":29.208136341448338,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.208136341448338,"endHours":30.208136341448338,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.515478735615726,"eotMinutes":-14.546685491524224,"ayanamsa":24.0082}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 10, 2011 CE · Howrah, West Bengal · Vidhyamitra","description":"February 10, 2011 CE for Howrah, West Bengal: Śukla Saptamī, sūryodaya 06:12, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2011-02-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2011-02-10","sa":"https://sa.vidhyamitra.com/city/howrah/2011-02-10","hi":"https://hi.vidhyamitra.com/city/howrah/2011-02-10","x-default":"https://vidhyamitra.com/city/howrah/2011-02-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:54:50.519Z","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":"2026-05-31T08:54:50.519Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:54:50.519Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}