{"id":"vidhyamitra:city-day:howrah:1985-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1985-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-07-31","date_display":"July 31, 1985 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":1985,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446277.770833,"kali_year":5087,"ahargana":1857812.2708,"sun":{"sidereal_longitude":103.6431,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":274.5896,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.9465,"elapsed_within_tithi_degrees":2.9465},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.5896,"elapsed_within_degrees":7.9229},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.2326},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1985,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446277.770833,"ahargana":1857812.2708,"kali_year":5087,"ayanamsa_lahiri":23.6515,"grahas":{"sun":{"sidereal_longitude":104.13975700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":273.29685700000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-4.2394},"mars":{"sidereal_longitude":100.37285700000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":121.56185700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":289.8182569999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"venus":{"sidereal_longitude":63.85135700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":207.49205700000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":24.1655,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.1655,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446277.770833,"kali_year":5087,"ahargana":1857812.2708,"sun":{"sidereal_longitude":103.6431,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":274.5896,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.9465,"elapsed_within_tithi_degrees":2.9465},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.5896,"elapsed_within_degrees":7.9229},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.2326},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.239,"elongation":170.946},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.239,"opposition_distance":9.054}},"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":"05:07","sunsetLocal":"18:19","solarNoonLocal":"11:43","dayLengthHours":13.184088970040552,"dayLengthDisplay":"13 Hours 11 Mins 03 Secs","nightLengthDisplay":"10 Hours 48 Mins 57 Secs","moonriseLocal":"17:33","moonsetLocal":"04:26","rahuKala":{"name":"Rāhu Kāla","start":"11:43","end":"13:22","startHours":11.716949575205845,"endHours":13.364960696460916,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:46","end":"08:25","startHours":6.77291621144064,"endHours":8.420927332695708,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:04","end":"11:43","startHours":10.068938453950778,"endHours":11.716949575205845,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:12","end":"08:38","startHours":8.201192516528366,"endHours":8.64066214886305,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.674242130603926,"endHours":6.025817836471674,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:17","end":"12:09","startHours":11.277479942871162,"endHours":12.156419207540532,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:15","startHours":3.36702656084683,"endHours":4.2459658255162,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:07","startHours":4.026231009348858,"endHours":5.12490509018557,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:48","startHours":13.91429773687927,"endHours":14.79323700154864,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.108994060226124,"endHours":18.508994060226122,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:51","startHours":18.308994060226123,"endHours":18.85833110064448,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.058994060226123,"endHours":19.808994060226123,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:17","end":"00:09","startHours":23.27747994287116,"endHours":24.15641920754053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:07","end":"06:46","startHours":5.12490509018557,"endHours":6.77291621144064,"quality":"auspicious"},{"name":"Amṛta","start":"06:46","end":"08:25","startHours":6.77291621144064,"endHours":8.420927332695708,"quality":"auspicious"},{"name":"Kāla","start":"08:25","end":"10:04","startHours":8.420927332695708,"endHours":10.068938453950778,"quality":"inauspicious"},{"name":"Śubha","start":"10:04","end":"11:43","startHours":10.068938453950778,"endHours":11.716949575205845,"quality":"auspicious"},{"name":"Roga","start":"11:43","end":"13:22","startHours":11.716949575205845,"endHours":13.364960696460916,"quality":"inauspicious"},{"name":"Udveg","start":"13:22","end":"15:01","startHours":13.364960696460916,"endHours":15.012971817715986,"quality":"inauspicious"},{"name":"Chala","start":"15:01","end":"16:40","startHours":15.012971817715986,"endHours":16.660982938971053,"quality":"neutral"},{"name":"Labha","start":"16:40","end":"18:19","startHours":16.660982938971053,"endHours":18.308994060226123,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:19","end":"19:40","startHours":18.308994060226123,"endHours":19.660982938971053,"quality":"inauspicious"},{"name":"Chala","start":"19:40","end":"21:01","startHours":19.660982938971053,"endHours":21.012971817715986,"quality":"neutral"},{"name":"Labha","start":"21:01","end":"22:22","startHours":21.012971817715986,"endHours":22.364960696460916,"quality":"auspicious"},{"name":"Amṛta","start":"22:22","end":"23:43","startHours":22.364960696460916,"endHours":23.716949575205845,"quality":"auspicious"},{"name":"Kāla","start":"23:43","end":"01:04","startHours":23.716949575205845,"endHours":25.06893845395078,"quality":"inauspicious"},{"name":"Śubha","start":"01:04","end":"02:25","startHours":25.06893845395078,"endHours":26.420927332695708,"quality":"auspicious"},{"name":"Roga","start":"02:25","end":"03:46","startHours":26.420927332695708,"endHours":27.772916211440638,"quality":"inauspicious"},{"name":"Udveg","start":"03:46","end":"05:07","startHours":27.772916211440638,"endHours":29.12490509018557,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.12490509018557,"endHours":6.12490509018557,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.12490509018557,"endHours":7.12490509018557,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.12490509018557,"endHours":8.124905090185571,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.124905090185571,"endHours":9.124905090185571,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.124905090185571,"endHours":10.124905090185571,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.124905090185571,"endHours":11.124905090185571,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.124905090185571,"endHours":12.124905090185571,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.124905090185571,"endHours":13.124905090185571,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.124905090185571,"endHours":14.124905090185571,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.124905090185571,"endHours":15.124905090185571,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.124905090185571,"endHours":16.12490509018557,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.12490509018557,"endHours":17.12490509018557,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.12490509018557,"endHours":18.12490509018557,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.12490509018557,"endHours":19.12490509018557,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.12490509018557,"endHours":20.12490509018557,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.12490509018557,"endHours":21.12490509018557,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.12490509018557,"endHours":22.12490509018557,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.12490509018557,"endHours":23.12490509018557,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.12490509018557,"endHours":24.12490509018557,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.12490509018557,"endHours":25.12490509018557,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.12490509018557,"endHours":26.12490509018557,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.12490509018557,"endHours":27.12490509018557,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.12490509018557,"endHours":28.12490509018557,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.12490509018557,"endHours":29.12490509018557,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","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":18.31901281585032,"eotMinutes":-6.071374512350812,"ayanamsa":23.6515}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Śukla Pūrṇimā · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[],"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 July 31, 1985 CE · Howrah, West Bengal · Vidhyamitra","description":"July 31, 1985 CE for Howrah, West Bengal: Śukla Pūrṇimā, sūryodaya 05:07, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1985-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1985-07-31","sa":"https://sa.vidhyamitra.com/city/howrah/1985-07-31","hi":"https://hi.vidhyamitra.com/city/howrah/1985-07-31","x-default":"https://vidhyamitra.com/city/howrah/1985-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:51:47.672Z","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":"2026-05-31T16:51:47.672Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:51:47.672Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}