{"id":"vidhyamitra:city-day:howrah:2155-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2155-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-02-13","date_display":"February 13, 2155 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":2155,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508200.770833,"kali_year":5256,"ahargana":1919735.2708,"sun":{"sidereal_longitude":297.7253,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":66.7952,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.0699,"elapsed_within_tithi_degrees":9.0699},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":66.7952,"elapsed_within_degrees":0.1285},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.5205},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":2155,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508200.770833,"ahargana":1919735.2708,"kali_year":5256,"ayanamsa_lahiri":26.0199,"grahas":{"sun":{"sidereal_longitude":298.01164300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":68.772243,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":4.472},"mars":{"sidereal_longitude":163.32304299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":277.92694299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":28.50554299999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":259.74344300000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":127.29744299999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":343.1869,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":163.1869,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2155,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508200.770833,"kali_year":5256,"ahargana":1919735.2708,"sun":{"sidereal_longitude":297.7253,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":66.7952,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.0699,"elapsed_within_tithi_degrees":9.0699},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":66.7952,"elapsed_within_degrees":0.1285},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.5205},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.472,"elongation":129.07},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.472,"opposition_distance":50.93}},"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":"06:11","sunsetLocal":"17:32","solarNoonLocal":"11:52","dayLengthHours":11.35912917161355,"dayLengthDisplay":"11 Hours 21 Mins 33 Secs","nightLengthDisplay":"12 Hours 38 Mins 27 Secs","moonriseLocal":"13:50","moonsetLocal":"03:19","rahuKala":{"name":"Rāhu Kāla","start":"13:17","end":"14:42","startHours":13.27897656746206,"endHours":14.698867713913756,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:11","end":"07:36","startHours":6.179520835203593,"endHours":7.599411981655287,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:01","end":"10:26","startHours":9.01930312810698,"endHours":10.439194274558673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:13","startHours":8.829984308580087,"endHours":9.208621947633873,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:57","startHours":6.652817884020823,"endHours":6.955727995263851,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:14","startHours":11.480447781956583,"endHours":12.237723060064154,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:25","startHours":4.664970278988452,"endHours":5.422245557096023,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:11","startHours":5.23292673756913,"endHours":6.179520835203593,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:45","end":"14:31","startHours":13.752273616279293,"endHours":14.509548894386864,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.338650006817144,"endHours":17.738650006817142,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"18:01","startHours":17.538650006817143,"endHours":18.011947055634373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.288650006817143,"endHours":19.038650006817143,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:14","startHours":23.480447781956585,"endHours":24.237723060064155,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:11","end":"07:36","startHours":6.179520835203593,"endHours":7.599411981655287,"quality":"auspicious"},{"name":"Roga","start":"07:36","end":"09:01","startHours":7.599411981655287,"endHours":9.01930312810698,"quality":"inauspicious"},{"name":"Udveg","start":"09:01","end":"10:26","startHours":9.01930312810698,"endHours":10.439194274558673,"quality":"inauspicious"},{"name":"Chala","start":"10:26","end":"11:52","startHours":10.439194274558673,"endHours":11.859085421010366,"quality":"neutral"},{"name":"Labha","start":"11:52","end":"13:17","startHours":11.859085421010366,"endHours":13.27897656746206,"quality":"auspicious"},{"name":"Amṛta","start":"13:17","end":"14:42","startHours":13.27897656746206,"endHours":14.698867713913756,"quality":"auspicious"},{"name":"Kāla","start":"14:42","end":"16:07","startHours":14.698867713913756,"endHours":16.11875886036545,"quality":"inauspicious"},{"name":"Śubha","start":"16:07","end":"17:32","startHours":16.11875886036545,"endHours":17.538650006817143,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:32","end":"19:07","startHours":17.538650006817143,"endHours":19.11875886036545,"quality":"auspicious"},{"name":"Kāla","start":"19:07","end":"20:42","startHours":19.11875886036545,"endHours":20.698867713913756,"quality":"inauspicious"},{"name":"Śubha","start":"20:42","end":"22:17","startHours":20.698867713913756,"endHours":22.27897656746206,"quality":"auspicious"},{"name":"Roga","start":"22:17","end":"23:52","startHours":22.27897656746206,"endHours":23.85908542101037,"quality":"inauspicious"},{"name":"Udveg","start":"23:52","end":"01:26","startHours":23.85908542101037,"endHours":25.439194274558673,"quality":"inauspicious"},{"name":"Chala","start":"01:26","end":"03:01","startHours":25.439194274558673,"endHours":27.01930312810698,"quality":"neutral"},{"name":"Labha","start":"03:01","end":"04:36","startHours":27.01930312810698,"endHours":28.599411981655287,"quality":"auspicious"},{"name":"Amṛta","start":"04:36","end":"06:11","startHours":28.599411981655287,"endHours":30.179520835203594,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.179520835203593,"endHours":7.179520835203593,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.179520835203593,"endHours":8.179520835203594,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.179520835203594,"endHours":9.179520835203594,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.179520835203594,"endHours":10.179520835203594,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.179520835203594,"endHours":11.179520835203594,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.179520835203594,"endHours":12.179520835203594,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.179520835203594,"endHours":13.179520835203594,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.179520835203594,"endHours":14.179520835203594,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.179520835203594,"endHours":15.179520835203594,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.179520835203594,"endHours":16.179520835203594,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.179520835203594,"endHours":17.179520835203594,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.179520835203594,"endHours":18.179520835203594,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.179520835203594,"endHours":19.179520835203594,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.179520835203594,"endHours":20.179520835203594,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.179520835203594,"endHours":21.179520835203594,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.179520835203594,"endHours":22.179520835203594,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.179520835203594,"endHours":23.179520835203594,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.179520835203594,"endHours":24.179520835203594,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.179520835203594,"endHours":25.179520835203594,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.179520835203594,"endHours":26.179520835203594,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.179520835203594,"endHours":27.179520835203594,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.179520835203594,"endHours":28.179520835203594,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.179520835203594,"endHours":29.179520835203594,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.179520835203594,"endHours":30.179520835203594,"planetary_lord":"Moon"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","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":-13.50935320715017,"eotMinutes":-14.599525260622107,"ayanamsa":26.0199}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"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 Ekādaśī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 13, 2155 CE · Howrah, West Bengal · Vidhyamitra","description":"February 13, 2155 CE for Howrah, West Bengal: Śukla Ekādaśī, sūryodaya 06:11, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2155-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2155-02-13","sa":"https://sa.vidhyamitra.com/city/howrah/2155-02-13","hi":"https://hi.vidhyamitra.com/city/howrah/2155-02-13","x-default":"https://vidhyamitra.com/city/howrah/2155-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:26:49.414Z","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":"2026-06-02T07:26:49.414Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:26:49.414Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}