{"id":"vidhyamitra:city-day:howrah:1958-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1958-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-01-01","date_display":"January 1, 1958 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":1958,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436204.770833,"kali_year":5059,"ahargana":1847739.2708,"sun":{"sidereal_longitude":256.7187,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":18.52,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.8013,"elapsed_within_tithi_degrees":1.8013},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.52,"elapsed_within_degrees":5.1867},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.2387},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":1958,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436204.770833,"ahargana":1847739.2708,"kali_year":5059,"ayanamsa_lahiri":23.2663,"grahas":{"sun":{"sidereal_longitude":256.85122,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":18.079619999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-0.0501},"mars":{"sidereal_longitude":223.56142,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":243.95442000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":185.60781999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":292.59911999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":236.59691999999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":197.8815,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":17.8815,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1958,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436204.770833,"kali_year":5059,"ahargana":1847739.2708,"sun":{"sidereal_longitude":256.7187,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":18.52,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.8013,"elapsed_within_tithi_degrees":1.8013},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.52,"elapsed_within_degrees":5.1867},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.2387},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.05,"elongation":121.801},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.05,"opposition_distance":58.199}},"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":"06:17","sunsetLocal":"17:04","solarNoonLocal":"11:41","dayLengthHours":10.77258427167205,"dayLengthDisplay":"10 Hours 46 Mins 21 Secs","nightLengthDisplay":"13 Hours 13 Mins 39 Secs","moonriseLocal":"13:17","moonsetLocal":"02:14","rahuKala":{"name":"Rāhu Kāla","start":"11:41","end":"13:01","startHours":11.6775129720566,"endHours":13.024086006015608,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:38","end":"08:59","startHours":7.637793870179583,"endHours":8.98436690413859,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:41","startHours":10.330939938097595,"endHours":11.6775129720566,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:10","startHours":8.804823832944056,"endHours":9.163909975333123,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:02","startHours":6.740078514206912,"endHours":7.0273474281181665,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:19","end":"12:02","startHours":11.318426829667532,"endHours":12.03659911444567,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:34","startHours":4.854876266664303,"endHours":5.57304855144244,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:17","startHours":5.393505480247906,"endHours":6.291220836220576,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:28","end":"14:11","startHours":13.472943684001944,"endHours":14.19111596878008,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:52","end":"17:16","startHours":16.863805107892627,"endHours":17.263805107892626,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:04","end":"17:31","startHours":17.063805107892627,"endHours":17.512662785878963,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:49","end":"18:34","startHours":16.813805107892627,"endHours":18.563805107892627,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:19","end":"00:02","startHours":23.318426829667533,"endHours":24.036599114445668,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:17","end":"07:38","startHours":6.291220836220576,"endHours":7.637793870179583,"quality":"auspicious"},{"name":"Amṛta","start":"07:38","end":"08:59","startHours":7.637793870179583,"endHours":8.98436690413859,"quality":"auspicious"},{"name":"Kāla","start":"08:59","end":"10:20","startHours":8.98436690413859,"endHours":10.330939938097595,"quality":"inauspicious"},{"name":"Śubha","start":"10:20","end":"11:41","startHours":10.330939938097595,"endHours":11.6775129720566,"quality":"auspicious"},{"name":"Roga","start":"11:41","end":"13:01","startHours":11.6775129720566,"endHours":13.024086006015608,"quality":"inauspicious"},{"name":"Udveg","start":"13:01","end":"14:22","startHours":13.024086006015608,"endHours":14.370659039974614,"quality":"inauspicious"},{"name":"Chala","start":"14:22","end":"15:43","startHours":14.370659039974614,"endHours":15.717232073933621,"quality":"neutral"},{"name":"Labha","start":"15:43","end":"17:04","startHours":15.717232073933621,"endHours":17.063805107892627,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:04","end":"18:43","startHours":17.063805107892627,"endHours":18.71723207393362,"quality":"inauspicious"},{"name":"Chala","start":"18:43","end":"20:22","startHours":18.71723207393362,"endHours":20.370659039974615,"quality":"neutral"},{"name":"Labha","start":"20:22","end":"22:01","startHours":20.370659039974615,"endHours":22.024086006015608,"quality":"auspicious"},{"name":"Amṛta","start":"22:01","end":"23:41","startHours":22.024086006015608,"endHours":23.6775129720566,"quality":"auspicious"},{"name":"Kāla","start":"23:41","end":"01:20","startHours":23.6775129720566,"endHours":25.330939938097593,"quality":"inauspicious"},{"name":"Śubha","start":"01:20","end":"02:59","startHours":25.330939938097593,"endHours":26.98436690413859,"quality":"auspicious"},{"name":"Roga","start":"02:59","end":"04:38","startHours":26.98436690413859,"endHours":28.637793870179582,"quality":"inauspicious"},{"name":"Udveg","start":"04:38","end":"06:17","startHours":28.637793870179582,"endHours":30.291220836220575,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.291220836220576,"endHours":7.291220836220576,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.291220836220576,"endHours":8.291220836220576,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.291220836220576,"endHours":9.291220836220576,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.291220836220576,"endHours":10.291220836220576,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.291220836220576,"endHours":11.291220836220576,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.291220836220576,"endHours":12.291220836220576,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.291220836220576,"endHours":13.291220836220576,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.291220836220576,"endHours":14.291220836220576,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.291220836220576,"endHours":15.291220836220576,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.291220836220576,"endHours":16.291220836220575,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.291220836220575,"endHours":17.291220836220575,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.291220836220575,"endHours":18.291220836220575,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.291220836220575,"endHours":19.291220836220575,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.291220836220575,"endHours":20.291220836220575,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.291220836220575,"endHours":21.291220836220575,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.291220836220575,"endHours":22.291220836220575,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.291220836220575,"endHours":23.291220836220575,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.291220836220575,"endHours":24.291220836220575,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.291220836220575,"endHours":25.291220836220575,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.291220836220575,"endHours":26.291220836220575,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.291220836220575,"endHours":27.291220836220575,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.291220836220575,"endHours":28.291220836220575,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.291220836220575,"endHours":29.291220836220575,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.291220836220575,"endHours":30.291220836220575,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.050825343597268,"eotMinutes":-3.705178323396069,"ayanamsa":23.2663}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ekādaśī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"id":"putrada-ekadashi","name":"Pauṣa Putradā Ekādaśī","name_sanskrit":"पौष पुत्रदा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Ekādaśī granting putra-prāpti.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"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":"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":[]},"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 January 1, 1958 CE · Howrah, West Bengal · Vidhyamitra","description":"January 1, 1958 CE for Howrah, West Bengal: Śukla Ekādaśī, sūryodaya 06:17, sūryāsta 17:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1958-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1958-01-01","sa":"https://sa.vidhyamitra.com/city/howrah/1958-01-01","hi":"https://hi.vidhyamitra.com/city/howrah/1958-01-01","x-default":"https://vidhyamitra.com/city/howrah/1958-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:15:41.491Z","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":"2026-05-31T15:15:41.491Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:15:41.491Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}