{"id":"vidhyamitra:city-day:howrah:2131-07-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2131-07-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-07-20","date_display":"July 20, 2131 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":2131,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499591.770833,"kali_year":5233,"ahargana":1911126.2708,"sun":{"sidereal_longitude":90.5697,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":34.6243,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.0546,"elapsed_within_tithi_degrees":4.0546},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.6243,"elapsed_within_degrees":7.9576},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.194},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2131,"month":7,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499591.770833,"ahargana":1911126.2708,"kali_year":5233,"ayanamsa_lahiri":25.6906,"grahas":{"sun":{"sidereal_longitude":91.33217000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":34.28257000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-3.1641},"mars":{"sidereal_longitude":354.13467,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":87.50657000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":52.29286999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":90.90436999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":192.14687000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":79.3332,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.3332,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499591.770833,"kali_year":5233,"ahargana":1911126.2708,"sun":{"sidereal_longitude":90.5697,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":34.6243,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.0546,"elapsed_within_tithi_degrees":4.0546},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.6243,"elapsed_within_degrees":7.9576},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.194},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.164,"elongation":55.945},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.164,"opposition_distance":124.055}},"eclipse_window_40days":[{"offset_days":4,"type":"solar","occurs":true,"moon_latitude":0.962,"elongation":2.89}]},"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":"05:03","sunsetLocal":"18:23","solarNoonLocal":"11:43","dayLengthHours":13.340122095364615,"dayLengthDisplay":"13 Hours 20 Mins 24 Secs","nightLengthDisplay":"10 Hours 39 Mins 36 Secs","moonriseLocal":"01:17","moonsetLocal":"14:33","rahuKala":{"name":"Rāhu Kāla","start":"10:03","end":"11:43","startHours":10.048148424998711,"endHours":11.715663686919289,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:03","end":"16:43","startHours":15.050694210760442,"endHours":16.718209472681018,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:43","end":"08:23","startHours":6.713117901157557,"endHours":8.380633163078134,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:09","end":"08:36","startHours":8.158297794822058,"endHours":8.602968531334211,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:36","end":"05:57","startHours":5.601441059877173,"endHours":5.957177649086896,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:10","startHours":11.270992950407134,"endHours":12.160334423431443,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:16","end":"04:09","startHours":3.266919693188365,"endHours":4.156261166212673,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:56","end":"05:03","startHours":3.933925797956596,"endHours":5.04560263923698,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.939017369480057,"endHours":14.828358842504365,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.185724734601596,"endHours":18.585724734601595,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:56","startHours":18.385724734601595,"endHours":18.941563155241788,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.135724734601595,"endHours":19.885724734601595,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:10","startHours":23.270992950407134,"endHours":24.160334423431443,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:03","end":"06:43","startHours":5.04560263923698,"endHours":6.713117901157557,"quality":"neutral"},{"name":"Labha","start":"06:43","end":"08:23","startHours":6.713117901157557,"endHours":8.380633163078134,"quality":"auspicious"},{"name":"Amṛta","start":"08:23","end":"10:03","startHours":8.380633163078134,"endHours":10.048148424998711,"quality":"auspicious"},{"name":"Kāla","start":"10:03","end":"11:43","startHours":10.048148424998711,"endHours":11.715663686919289,"quality":"inauspicious"},{"name":"Śubha","start":"11:43","end":"13:23","startHours":11.715663686919289,"endHours":13.383178948839864,"quality":"auspicious"},{"name":"Roga","start":"13:23","end":"15:03","startHours":13.383178948839864,"endHours":15.050694210760442,"quality":"inauspicious"},{"name":"Udveg","start":"15:03","end":"16:43","startHours":15.050694210760442,"endHours":16.718209472681018,"quality":"inauspicious"},{"name":"Chala","start":"16:43","end":"18:23","startHours":16.718209472681018,"endHours":18.385724734601595,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:23","end":"19:43","startHours":18.385724734601595,"endHours":19.718209472681018,"quality":"inauspicious"},{"name":"Udveg","start":"19:43","end":"21:03","startHours":19.718209472681018,"endHours":21.05069421076044,"quality":"inauspicious"},{"name":"Chala","start":"21:03","end":"22:23","startHours":21.05069421076044,"endHours":22.383178948839863,"quality":"neutral"},{"name":"Labha","start":"22:23","end":"23:43","startHours":22.383178948839863,"endHours":23.71566368691929,"quality":"auspicious"},{"name":"Amṛta","start":"23:43","end":"01:03","startHours":23.71566368691929,"endHours":25.04814842499871,"quality":"auspicious"},{"name":"Kāla","start":"01:03","end":"02:23","startHours":25.04814842499871,"endHours":26.380633163078134,"quality":"inauspicious"},{"name":"Śubha","start":"02:23","end":"03:43","startHours":26.380633163078134,"endHours":27.71311790115756,"quality":"auspicious"},{"name":"Roga","start":"03:43","end":"05:03","startHours":27.71311790115756,"endHours":29.045602639236982,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:03","end":"06:03","startHours":5.04560263923698,"endHours":6.04560263923698,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:03","end":"07:03","startHours":6.04560263923698,"endHours":7.04560263923698,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:03","end":"08:03","startHours":7.04560263923698,"endHours":8.04560263923698,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:03","end":"09:03","startHours":8.04560263923698,"endHours":9.04560263923698,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:03","end":"10:03","startHours":9.04560263923698,"endHours":10.04560263923698,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:03","end":"11:03","startHours":10.04560263923698,"endHours":11.04560263923698,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:03","end":"12:03","startHours":11.04560263923698,"endHours":12.04560263923698,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:03","end":"13:03","startHours":12.04560263923698,"endHours":13.04560263923698,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:03","end":"14:03","startHours":13.04560263923698,"endHours":14.04560263923698,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:03","end":"15:03","startHours":14.04560263923698,"endHours":15.04560263923698,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:03","end":"16:03","startHours":15.04560263923698,"endHours":16.045602639236982,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:03","end":"17:03","startHours":16.045602639236982,"endHours":17.045602639236982,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:03","end":"18:03","startHours":17.045602639236982,"endHours":18.045602639236982,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:03","end":"19:03","startHours":18.045602639236982,"endHours":19.045602639236982,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:03","end":"20:03","startHours":19.045602639236982,"endHours":20.045602639236982,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:03","end":"21:03","startHours":20.045602639236982,"endHours":21.045602639236982,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:03","end":"22:03","startHours":21.045602639236982,"endHours":22.045602639236982,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:03","end":"23:03","startHours":22.045602639236982,"endHours":23.045602639236982,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:03","end":"00:03","startHours":23.045602639236982,"endHours":24.045602639236982,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:03","end":"01:03","startHours":24.045602639236982,"endHours":25.045602639236982,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:03","end":"02:03","startHours":25.045602639236982,"endHours":26.045602639236982,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:03","end":"03:03","startHours":26.045602639236982,"endHours":27.045602639236982,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:03","end":"04:03","startHours":27.045602639236982,"endHours":28.045602639236982,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:03","end":"05:03","startHours":28.045602639236982,"endHours":29.045602639236982,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.751188184025484,"eotMinutes":-5.99422121515736,"ayanamsa":25.6906}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"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 Ekādaśī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"aja-ekadashi","name":"Ajā Ekādaśī","name_sanskrit":"अजा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"King Hariścandra observed this; restored him to throne and family.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Śrāvaṇa"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 20, 2131 CE · Howrah, West Bengal · Vidhyamitra","description":"July 20, 2131 CE for Howrah, West Bengal: Kṛṣṇa Ekādaśī, sūryodaya 05:03, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2131-07-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2131-07-20","sa":"https://sa.vidhyamitra.com/city/howrah/2131-07-20","hi":"https://hi.vidhyamitra.com/city/howrah/2131-07-20","x-default":"https://vidhyamitra.com/city/howrah/2131-07-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:58:07.108Z","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":"2026-06-01T21:58:07.108Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:58:07.108Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}