{"id":"vidhyamitra:city-day:howrah:2011-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2011-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-07-21","date_display":"July 21, 2011 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":2011,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455763.770833,"kali_year":5113,"ahargana":1867298.2708,"sun":{"sidereal_longitude":93.4611,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":342.018,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.557,"elapsed_within_tithi_degrees":8.557},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.018,"elapsed_within_degrees":8.6847},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.4791},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2011,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455763.770833,"ahargana":1867298.2708,"kali_year":5113,"ayanamsa_lahiri":24.0144,"grahas":{"sun":{"sidereal_longitude":93.953622,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":340.232322,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":4.425},"mars":{"sidereal_longitude":56.72912200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":120.646522,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":13.71122200000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":86.50692200000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":167.34302200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":241.5515,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.5515,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"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":2011,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455763.770833,"kali_year":5113,"ahargana":1867298.2708,"sun":{"sidereal_longitude":93.4611,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":342.018,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.557,"elapsed_within_tithi_degrees":8.557},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.018,"elapsed_within_degrees":8.6847},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.4791},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.425,"elongation":111.443},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.425,"opposition_distance":68.557}},"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":"05:03","sunsetLocal":"18:23","solarNoonLocal":"11:43","dayLengthHours":13.328024715118108,"dayLengthDisplay":"13 Hours 19 Mins 41 Secs","nightLengthDisplay":"10 Hours 40 Mins 19 Secs","moonriseLocal":"22:03","moonsetLocal":"10:13","rahuKala":{"name":"Rāhu Kāla","start":"13:23","end":"15:03","startHours":13.382593146644496,"endHours":15.04859623603426,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:03","end":"06:43","startHours":5.052577699695679,"endHours":6.718580789085442,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:23","end":"10:03","startHours":8.384583878475205,"endHours":10.05058696786497,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:10","end":"08:36","startHours":8.162450133223237,"endHours":8.606717623727175,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:36","end":"05:58","startHours":5.6079120628256,"endHours":5.963326055228749,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:10","startHours":11.272322566750796,"endHours":12.160857547758669,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:17","end":"04:10","startHours":3.2755077376799306,"endHours":4.164042718687805,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:57","end":"05:03","startHours":3.9419089734358366,"endHours":5.052577699695679,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.937927509774417,"endHours":14.82646249078229,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.180602414813787,"endHours":18.580602414813786,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:56","startHours":18.380602414813787,"endHours":18.93593677794371,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.130602414813787,"endHours":19.880602414813787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:10","startHours":23.2723225667508,"endHours":24.16085754775867,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:03","end":"06:43","startHours":5.052577699695679,"endHours":6.718580789085442,"quality":"auspicious"},{"name":"Roga","start":"06:43","end":"08:23","startHours":6.718580789085442,"endHours":8.384583878475205,"quality":"inauspicious"},{"name":"Udveg","start":"08:23","end":"10:03","startHours":8.384583878475205,"endHours":10.05058696786497,"quality":"inauspicious"},{"name":"Chala","start":"10:03","end":"11:43","startHours":10.05058696786497,"endHours":11.716590057254733,"quality":"neutral"},{"name":"Labha","start":"11:43","end":"13:23","startHours":11.716590057254733,"endHours":13.382593146644496,"quality":"auspicious"},{"name":"Amṛta","start":"13:23","end":"15:03","startHours":13.382593146644496,"endHours":15.04859623603426,"quality":"auspicious"},{"name":"Kāla","start":"15:03","end":"16:43","startHours":15.04859623603426,"endHours":16.714599325424025,"quality":"inauspicious"},{"name":"Śubha","start":"16:43","end":"18:23","startHours":16.714599325424025,"endHours":18.380602414813787,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:23","end":"19:43","startHours":18.380602414813787,"endHours":19.71459932542402,"quality":"auspicious"},{"name":"Kāla","start":"19:43","end":"21:03","startHours":19.71459932542402,"endHours":21.04859623603426,"quality":"inauspicious"},{"name":"Śubha","start":"21:03","end":"22:23","startHours":21.04859623603426,"endHours":22.382593146644496,"quality":"auspicious"},{"name":"Roga","start":"22:23","end":"23:43","startHours":22.382593146644496,"endHours":23.716590057254734,"quality":"inauspicious"},{"name":"Udveg","start":"23:43","end":"01:03","startHours":23.716590057254734,"endHours":25.05058696786497,"quality":"inauspicious"},{"name":"Chala","start":"01:03","end":"02:23","startHours":25.05058696786497,"endHours":26.384583878475205,"quality":"neutral"},{"name":"Labha","start":"02:23","end":"03:43","startHours":26.384583878475205,"endHours":27.718580789085443,"quality":"auspicious"},{"name":"Amṛta","start":"03:43","end":"05:03","startHours":27.718580789085443,"endHours":29.05257769969568,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:03","end":"06:03","startHours":5.052577699695679,"endHours":6.052577699695679,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:03","end":"07:03","startHours":6.052577699695679,"endHours":7.052577699695679,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:03","end":"08:03","startHours":7.052577699695679,"endHours":8.052577699695679,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:03","end":"09:03","startHours":8.052577699695679,"endHours":9.052577699695679,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:03","end":"10:03","startHours":9.052577699695679,"endHours":10.052577699695679,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:03","end":"11:03","startHours":10.052577699695679,"endHours":11.052577699695679,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:03","end":"12:03","startHours":11.052577699695679,"endHours":12.052577699695679,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:03","end":"13:03","startHours":12.052577699695679,"endHours":13.052577699695679,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:03","end":"14:03","startHours":13.052577699695679,"endHours":14.052577699695679,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:03","end":"15:03","startHours":14.052577699695679,"endHours":15.052577699695679,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:03","end":"16:03","startHours":15.052577699695679,"endHours":16.05257769969568,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:03","end":"17:03","startHours":16.05257769969568,"endHours":17.05257769969568,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:03","end":"18:03","startHours":17.05257769969568,"endHours":18.05257769969568,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:03","end":"19:03","startHours":18.05257769969568,"endHours":19.05257769969568,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:03","end":"20:03","startHours":19.05257769969568,"endHours":20.05257769969568,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:03","end":"21:03","startHours":20.05257769969568,"endHours":21.05257769969568,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:03","end":"22:03","startHours":21.05257769969568,"endHours":22.05257769969568,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:03","end":"23:03","startHours":22.05257769969568,"endHours":23.05257769969568,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:03","end":"00:03","startHours":23.05257769969568,"endHours":24.05257769969568,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:03","end":"01:03","startHours":24.05257769969568,"endHours":25.05257769969568,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:03","end":"02:03","startHours":25.05257769969568,"endHours":26.05257769969568,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:03","end":"03:03","startHours":26.05257769969568,"endHours":27.05257769969568,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:03","end":"04:03","startHours":27.05257769969568,"endHours":28.05257769969568,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:03","end":"05:03","startHours":28.05257769969568,"endHours":29.05257769969568,"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.565691671586716,"eotMinutes":-6.049803435283957,"ayanamsa":24.0144}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"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 Ṣaṣṭhī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"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":[]},"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 21, 2011 CE · Howrah, West Bengal · Vidhyamitra","description":"July 21, 2011 CE for Howrah, West Bengal: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:03, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2011-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2011-07-21","sa":"https://sa.vidhyamitra.com/city/howrah/2011-07-21","hi":"https://hi.vidhyamitra.com/city/howrah/2011-07-21","x-default":"https://vidhyamitra.com/city/howrah/2011-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:05:21.303Z","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":"2026-05-31T01:05:21.303Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:05:21.303Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}