{"id":"vidhyamitra:city-day:howrah:1957-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1957-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1957-08-01","date_display":"August 1, 1957 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":1957,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436051.770833,"kali_year":5059,"ahargana":1847586.2708,"sun":{"sidereal_longitude":104.8268,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":169.1803,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3535,"elapsed_within_tithi_degrees":4.3535},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.1803,"elapsed_within_degrees":9.1803},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.0071},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":1957,"month":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436051.770833,"ahargana":1847586.2708,"kali_year":5059,"ayanamsa_lahiri":23.2604,"grahas":{"sun":{"sidereal_longitude":105.26316600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":172.750266,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-2.6943},"mars":{"sidereal_longitude":122.75206600000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":130.185566,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":155.853566,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":134.488566,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":224.972266,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":205.9882,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":25.9882,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"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":1957,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436051.770833,"kali_year":5059,"ahargana":1847586.2708,"sun":{"sidereal_longitude":104.8268,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":169.1803,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3535,"elapsed_within_tithi_degrees":4.3535},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.1803,"elapsed_within_degrees":9.1803},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.0071},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.694,"elongation":64.353},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.694,"opposition_distance":115.647}},"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":"05:08","sunsetLocal":"18:18","solarNoonLocal":"11:43","dayLengthHours":13.172157207947635,"dayLengthDisplay":"13 Hours 10 Mins 20 Secs","nightLengthDisplay":"10 Hours 49 Mins 40 Secs","moonriseLocal":"10:21","moonsetLocal":"22:05","rahuKala":{"name":"Rāhu Kāla","start":"13:22","end":"15:01","startHours":13.362574148771959,"endHours":15.009093799765413,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:08","end":"06:47","startHours":5.129975893804688,"endHours":6.776495544798142,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:25","end":"10:04","startHours":8.423015195791596,"endHours":10.06953484678505,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:12","end":"08:39","startHours":8.203479242325802,"endHours":8.64255114925739,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:41","end":"06:02","startHours":5.678815777469173,"endHours":6.030073303014443,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:17","end":"12:09","startHours":11.276982590846917,"endHours":12.155126404710092,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:15","startHours":3.3736882660783367,"endHours":4.251832079941512,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:08","startHours":4.0322961264757184,"endHours":5.129975893804688,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:47","startHours":13.911414032436443,"endHours":14.78955784629962,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.102133101752322,"endHours":18.50213310175232,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:51","startHours":18.30213310175232,"endHours":18.850972985416806,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.05213310175232,"endHours":19.80213310175232,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:17","end":"00:09","startHours":23.276982590846917,"endHours":24.155126404710092,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:08","end":"06:47","startHours":5.129975893804688,"endHours":6.776495544798142,"quality":"auspicious"},{"name":"Roga","start":"06:47","end":"08:25","startHours":6.776495544798142,"endHours":8.423015195791596,"quality":"inauspicious"},{"name":"Udveg","start":"08:25","end":"10:04","startHours":8.423015195791596,"endHours":10.06953484678505,"quality":"inauspicious"},{"name":"Chala","start":"10:04","end":"11:43","startHours":10.06953484678505,"endHours":11.716054497778504,"quality":"neutral"},{"name":"Labha","start":"11:43","end":"13:22","startHours":11.716054497778504,"endHours":13.362574148771959,"quality":"auspicious"},{"name":"Amṛta","start":"13:22","end":"15:01","startHours":13.362574148771959,"endHours":15.009093799765413,"quality":"auspicious"},{"name":"Kāla","start":"15:01","end":"16:39","startHours":15.009093799765413,"endHours":16.655613450758867,"quality":"inauspicious"},{"name":"Śubha","start":"16:39","end":"18:18","startHours":16.655613450758867,"endHours":18.30213310175232,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:18","end":"19:39","startHours":18.30213310175232,"endHours":19.655613450758867,"quality":"auspicious"},{"name":"Kāla","start":"19:39","end":"21:01","startHours":19.655613450758867,"endHours":21.009093799765413,"quality":"inauspicious"},{"name":"Śubha","start":"21:01","end":"22:22","startHours":21.009093799765413,"endHours":22.36257414877196,"quality":"auspicious"},{"name":"Roga","start":"22:22","end":"23:43","startHours":22.36257414877196,"endHours":23.716054497778504,"quality":"inauspicious"},{"name":"Udveg","start":"23:43","end":"01:04","startHours":23.716054497778504,"endHours":25.06953484678505,"quality":"inauspicious"},{"name":"Chala","start":"01:04","end":"02:25","startHours":25.06953484678505,"endHours":26.423015195791596,"quality":"neutral"},{"name":"Labha","start":"02:25","end":"03:47","startHours":26.423015195791596,"endHours":27.77649554479814,"quality":"auspicious"},{"name":"Amṛta","start":"03:47","end":"05:08","startHours":27.77649554479814,"endHours":29.129975893804687,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.129975893804688,"endHours":6.129975893804688,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.129975893804688,"endHours":7.129975893804688,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.129975893804688,"endHours":8.129975893804687,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.129975893804687,"endHours":9.129975893804687,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.129975893804687,"endHours":10.129975893804687,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.129975893804687,"endHours":11.129975893804687,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.129975893804687,"endHours":12.129975893804687,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.129975893804687,"endHours":13.129975893804687,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.129975893804687,"endHours":14.129975893804687,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.129975893804687,"endHours":15.129975893804687,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.129975893804687,"endHours":16.129975893804687,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.129975893804687,"endHours":17.129975893804687,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.129975893804687,"endHours":18.129975893804687,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.129975893804687,"endHours":19.129975893804687,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.129975893804687,"endHours":20.129975893804687,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.129975893804687,"endHours":21.129975893804687,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.129975893804687,"endHours":22.129975893804687,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.129975893804687,"endHours":23.129975893804687,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.129975893804687,"endHours":24.129975893804687,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.129975893804687,"endHours":25.129975893804687,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.129975893804687,"endHours":26.129975893804687,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.129975893804687,"endHours":27.129975893804687,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.129975893804687,"endHours":28.129975893804687,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.129975893804687,"endHours":29.129975893804687,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.129561672413026,"eotMinutes":-6.017669866710306,"ayanamsa":23.2604}},"calendars":{"vikram_samvat":2014,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1879,"saka_samvatsara":"Hemalambī","bengali_samvat":1364,"malayalam_era":1133,"nanakshahi_year":488,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 2014 Sādhāraṇa · Śaka 1879 Hemalambī"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"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 August 1, 1957 CE · Howrah, West Bengal · Vidhyamitra","description":"August 1, 1957 CE for Howrah, West Bengal: Śukla Ṣaṣṭhī, sūryodaya 05:08, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1957-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1957-08-01","sa":"https://sa.vidhyamitra.com/city/howrah/1957-08-01","hi":"https://hi.vidhyamitra.com/city/howrah/1957-08-01","x-default":"https://vidhyamitra.com/city/howrah/1957-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:14:34.364Z","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":"2026-06-01T04:14:34.364Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:14:34.364Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}