{"id":"vidhyamitra:city-day:howrah:2178-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2178-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2178-08-13","date_display":"August 13, 2178 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":2178,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516782.770833,"kali_year":5280,"ahargana":1928317.2708,"sun":{"sidereal_longitude":113.2206,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":104.5729,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.3523,"elapsed_within_tithi_degrees":3.3523},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":104.5729,"elapsed_within_degrees":11.2396},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.7935},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":2178,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516782.770833,"ahargana":1928317.2708,"kali_year":5280,"ayanamsa_lahiri":26.3481,"grahas":{"sun":{"sidereal_longitude":114.242748,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":105.64124800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-2.6497},"mars":{"sidereal_longitude":359.597548,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":107.59584799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":43.042948000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":145.48744799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":51.754548,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":248.4713,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":68.4713,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2178,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516782.770833,"kali_year":5280,"ahargana":1928317.2708,"sun":{"sidereal_longitude":113.2206,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":104.5729,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.3523,"elapsed_within_tithi_degrees":3.3523},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":104.5729,"elapsed_within_degrees":11.2396},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.7935},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.65,"elongation":8.648},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.65,"opposition_distance":171.352}},"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":"05:13","sunsetLocal":"18:10","solarNoonLocal":"11:42","dayLengthHours":12.9564952378711,"dayLengthDisplay":"12 Hours 57 Mins 23 Secs","nightLengthDisplay":"11 Hours 02 Mins 37 Secs","moonriseLocal":"04:35","moonsetLocal":"17:39","rahuKala":{"name":"Rāhu Kāla","start":"13:19","end":"14:56","startHours":13.311347250370812,"endHours":14.9309091551047,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:13","end":"06:50","startHours":5.213537726701375,"endHours":6.833099631435262,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:27","end":"10:04","startHours":8.452661536169149,"endHours":10.072223440903038,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:14","end":"08:40","startHours":8.236719948871299,"endHours":8.668603123467001,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:06","startHours":5.753391694946004,"endHours":6.098898234622567,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:07","startHours":11.25990217104122,"endHours":12.123668520232629,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:21","startHours":3.486005028318562,"endHours":4.349771377509969,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:13","startHours":4.133829790212117,"endHours":5.213537726701375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:43","startHours":13.851201218615442,"endHours":14.714967567806848,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.970032964572475,"endHours":18.370032964572474,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:43","startHours":18.170032964572474,"endHours":18.709886932817103,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.920032964572474,"endHours":19.670032964572474,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:07","startHours":23.25990217104122,"endHours":24.123668520232627,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:13","end":"06:50","startHours":5.213537726701375,"endHours":6.833099631435262,"quality":"auspicious"},{"name":"Roga","start":"06:50","end":"08:27","startHours":6.833099631435262,"endHours":8.452661536169149,"quality":"inauspicious"},{"name":"Udveg","start":"08:27","end":"10:04","startHours":8.452661536169149,"endHours":10.072223440903038,"quality":"inauspicious"},{"name":"Chala","start":"10:04","end":"11:42","startHours":10.072223440903038,"endHours":11.691785345636925,"quality":"neutral"},{"name":"Labha","start":"11:42","end":"13:19","startHours":11.691785345636925,"endHours":13.311347250370812,"quality":"auspicious"},{"name":"Amṛta","start":"13:19","end":"14:56","startHours":13.311347250370812,"endHours":14.9309091551047,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:33","startHours":14.9309091551047,"endHours":16.550471059838586,"quality":"inauspicious"},{"name":"Śubha","start":"16:33","end":"18:10","startHours":16.550471059838586,"endHours":18.170032964572474,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:10","end":"19:33","startHours":18.170032964572474,"endHours":19.550471059838586,"quality":"auspicious"},{"name":"Kāla","start":"19:33","end":"20:56","startHours":19.550471059838586,"endHours":20.9309091551047,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:19","startHours":20.9309091551047,"endHours":22.31134725037081,"quality":"auspicious"},{"name":"Roga","start":"22:19","end":"23:42","startHours":22.31134725037081,"endHours":23.691785345636923,"quality":"inauspicious"},{"name":"Udveg","start":"23:42","end":"01:04","startHours":23.691785345636923,"endHours":25.072223440903038,"quality":"inauspicious"},{"name":"Chala","start":"01:04","end":"02:27","startHours":25.072223440903038,"endHours":26.45266153616915,"quality":"neutral"},{"name":"Labha","start":"02:27","end":"03:50","startHours":26.45266153616915,"endHours":27.83309963143526,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:13","startHours":27.83309963143526,"endHours":29.213537726701375,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:13","end":"06:13","startHours":5.213537726701375,"endHours":6.213537726701375,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:13","end":"07:13","startHours":6.213537726701375,"endHours":7.213537726701375,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:13","end":"08:13","startHours":7.213537726701375,"endHours":8.213537726701375,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:13","end":"09:13","startHours":8.213537726701375,"endHours":9.213537726701375,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:13","end":"10:13","startHours":9.213537726701375,"endHours":10.213537726701375,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:13","end":"11:13","startHours":10.213537726701375,"endHours":11.213537726701375,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:13","end":"12:13","startHours":11.213537726701375,"endHours":12.213537726701375,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:13","end":"13:13","startHours":12.213537726701375,"endHours":13.213537726701375,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:13","end":"14:13","startHours":13.213537726701375,"endHours":14.213537726701375,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:13","end":"15:13","startHours":14.213537726701375,"endHours":15.213537726701375,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:13","end":"16:13","startHours":15.213537726701375,"endHours":16.213537726701375,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:13","end":"17:13","startHours":16.213537726701375,"endHours":17.213537726701375,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:13","end":"18:13","startHours":17.213537726701375,"endHours":18.213537726701375,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:13","end":"19:13","startHours":18.213537726701375,"endHours":19.213537726701375,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:13","end":"20:13","startHours":19.213537726701375,"endHours":20.213537726701375,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:13","end":"21:13","startHours":20.213537726701375,"endHours":21.213537726701375,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:13","end":"22:13","startHours":21.213537726701375,"endHours":22.213537726701375,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:13","end":"23:13","startHours":22.213537726701375,"endHours":23.213537726701375,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:13","end":"00:13","startHours":23.213537726701375,"endHours":24.213537726701375,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:13","end":"01:13","startHours":24.213537726701375,"endHours":25.213537726701375,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:13","end":"02:13","startHours":25.213537726701375,"endHours":26.213537726701375,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:13","end":"03:13","startHours":26.213537726701375,"endHours":27.213537726701375,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:13","end":"04:13","startHours":27.213537726701375,"endHours":28.213537726701375,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:13","end":"05:13","startHours":28.213537726701375,"endHours":29.213537726701375,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","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":14.625618278932745,"eotMinutes":-4.561520738215509,"ayanamsa":26.3481}},"calendars":{"vikram_samvat":2235,"vikram_samvatsara":"Khara","saka_samvat":2100,"saka_samvatsara":"Bahudhānya","bengali_samvat":1585,"malayalam_era":1354,"nanakshahi_year":709,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","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 Kṛṣṇa Amāvasyā · Vikram 2235 Khara · Śaka 2100 Bahudhānya"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 August 13, 2178 CE · Howrah, West Bengal · Vidhyamitra","description":"August 13, 2178 CE for Howrah, West Bengal: Kṛṣṇa Amāvasyā, sūryodaya 05:13, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2178-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2178-08-13","sa":"https://sa.vidhyamitra.com/city/howrah/2178-08-13","hi":"https://hi.vidhyamitra.com/city/howrah/2178-08-13","x-default":"https://vidhyamitra.com/city/howrah/2178-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T23:28:23.998Z","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":"2026-06-03T23:28:23.998Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T23:28:23.998Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}