{"id":"vidhyamitra:city-day:howrah:2137-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2137-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-02-06","date_display":"February 6, 2137 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":2137,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501619.770833,"kali_year":5238,"ahargana":1913154.2708,"sun":{"sidereal_longitude":291.2622,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":109.8314,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.5692,"elapsed_within_tithi_degrees":10.5692},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":109.8314,"elapsed_within_degrees":3.1647},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.0936},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2137,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501619.770833,"ahargana":1913154.2708,"kali_year":5238,"ayanamsa_lahiri":25.7682,"grahas":{"sun":{"sidereal_longitude":291.54438600000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":110.41668600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":3.0122},"mars":{"sidereal_longitude":287.607886,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":288.955286,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":216.01788599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":308.57458599999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":262.088786,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":331.88,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":151.88,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2137,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501619.770833,"kali_year":5238,"ahargana":1913154.2708,"sun":{"sidereal_longitude":291.2622,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":109.8314,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.5692,"elapsed_within_tithi_degrees":10.5692},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":109.8314,"elapsed_within_degrees":3.1647},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.0936},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.012,"elongation":178.569},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.012,"opposition_distance":1.431}},"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":"06:14","sunsetLocal":"17:28","solarNoonLocal":"11:51","dayLengthHours":11.233311096487071,"dayLengthDisplay":"11 Hours 14 Mins 00 Secs","nightLengthDisplay":"12 Hours 46 Mins 00 Secs","moonriseLocal":"17:17","moonsetLocal":"06:17","rahuKala":{"name":"Rāhu Kāla","start":"11:51","end":"13:15","startHours":11.854015551957954,"endHours":13.258179439018836,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:38","end":"09:03","startHours":7.641523890775301,"endHours":9.045687777836186,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:27","end":"11:51","startHours":10.449851664897068,"endHours":11.854015551957954,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:14","startHours":8.858465926228067,"endHours":9.232909629444302,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:00","startHours":6.705414632734712,"endHours":7.004969595307701,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:14","startHours":11.479571848741719,"endHours":12.228459255174188,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:29","startHours":4.739585190849474,"endHours":5.4884725972819455,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:14","startHours":5.301250745673828,"endHours":6.237360003714417,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:29","startHours":13.726234068039131,"endHours":14.475121474471603,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.27067110020149,"endHours":17.67067110020149,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:56","startHours":17.47067110020149,"endHours":17.938725729221783,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.22067110020149,"endHours":18.97067110020149,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:14","startHours":23.479571848741717,"endHours":24.22845925517419,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:14","end":"07:38","startHours":6.237360003714417,"endHours":7.641523890775301,"quality":"auspicious"},{"name":"Amṛta","start":"07:38","end":"09:03","startHours":7.641523890775301,"endHours":9.045687777836186,"quality":"auspicious"},{"name":"Kāla","start":"09:03","end":"10:27","startHours":9.045687777836186,"endHours":10.449851664897068,"quality":"inauspicious"},{"name":"Śubha","start":"10:27","end":"11:51","startHours":10.449851664897068,"endHours":11.854015551957954,"quality":"auspicious"},{"name":"Roga","start":"11:51","end":"13:15","startHours":11.854015551957954,"endHours":13.258179439018836,"quality":"inauspicious"},{"name":"Udveg","start":"13:15","end":"14:40","startHours":13.258179439018836,"endHours":14.662343326079721,"quality":"inauspicious"},{"name":"Chala","start":"14:40","end":"16:04","startHours":14.662343326079721,"endHours":16.066507213140603,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:28","startHours":16.066507213140603,"endHours":17.47067110020149,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:28","end":"19:04","startHours":17.47067110020149,"endHours":19.066507213140603,"quality":"inauspicious"},{"name":"Chala","start":"19:04","end":"20:40","startHours":19.066507213140603,"endHours":20.66234332607972,"quality":"neutral"},{"name":"Labha","start":"20:40","end":"22:15","startHours":20.66234332607972,"endHours":22.25817943901884,"quality":"auspicious"},{"name":"Amṛta","start":"22:15","end":"23:51","startHours":22.25817943901884,"endHours":23.854015551957954,"quality":"auspicious"},{"name":"Kāla","start":"23:51","end":"01:27","startHours":23.854015551957954,"endHours":25.449851664897068,"quality":"inauspicious"},{"name":"Śubha","start":"01:27","end":"03:03","startHours":25.449851664897068,"endHours":27.045687777836186,"quality":"auspicious"},{"name":"Roga","start":"03:03","end":"04:38","startHours":27.045687777836186,"endHours":28.641523890775304,"quality":"inauspicious"},{"name":"Udveg","start":"04:38","end":"06:14","startHours":28.641523890775304,"endHours":30.237360003714418,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.237360003714417,"endHours":7.237360003714417,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.237360003714417,"endHours":8.237360003714418,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.237360003714418,"endHours":9.237360003714418,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.237360003714418,"endHours":10.237360003714418,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.237360003714418,"endHours":11.237360003714418,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.237360003714418,"endHours":12.237360003714418,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.237360003714418,"endHours":13.237360003714418,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.237360003714418,"endHours":14.237360003714418,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.237360003714418,"endHours":15.237360003714418,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.237360003714418,"endHours":16.237360003714418,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.237360003714418,"endHours":17.237360003714418,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.237360003714418,"endHours":18.237360003714418,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.237360003714418,"endHours":19.237360003714418,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.237360003714418,"endHours":20.237360003714418,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.237360003714418,"endHours":21.237360003714418,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.237360003714418,"endHours":22.237360003714418,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.237360003714418,"endHours":23.237360003714418,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.237360003714418,"endHours":24.237360003714418,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.237360003714418,"endHours":25.237360003714418,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.237360003714418,"endHours":26.237360003714418,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.237360003714418,"endHours":27.237360003714418,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.237360003714418,"endHours":28.237360003714418,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.237360003714418,"endHours":29.237360003714418,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.237360003714418,"endHours":30.237360003714418,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.64414889756822,"eotMinutes":-14.295333117477217,"ayanamsa":25.7682}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"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 Pūrṇimā · Vikram 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"festivals":[{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 6, 2137 CE · Howrah, West Bengal · Vidhyamitra","description":"February 6, 2137 CE for Howrah, West Bengal: Śukla Pūrṇimā, sūryodaya 06:14, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2137-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2137-02-06","sa":"https://sa.vidhyamitra.com/city/howrah/2137-02-06","hi":"https://hi.vidhyamitra.com/city/howrah/2137-02-06","x-default":"https://vidhyamitra.com/city/howrah/2137-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:34:21.211Z","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":"2026-06-02T07:34:21.211Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:34:21.211Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}