{"id":"vidhyamitra:city-day:howrah:2011-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2011-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-31","date_display":"May 31, 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":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455712.770833,"kali_year":5113,"ahargana":1867247.2708,"sun":{"sidereal_longitude":45.1186,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":23.1092,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.9905,"elapsed_within_tithi_degrees":1.9905},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":23.1092,"elapsed_within_degrees":9.7759},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":68.2278},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455712.770833,"ahargana":1867247.2708,"kali_year":5113,"ayanamsa_lahiri":24.0124,"grahas":{"sun":{"sidereal_longitude":45.26147100000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":24.204871000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false,"latitude":2.9591},"mars":{"sidereal_longitude":20.489171,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":30.173070999999993,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":5.005270999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":24.22087099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":166.33437100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":244.2538,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":64.2538,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455712.770833,"kali_year":5113,"ahargana":1867247.2708,"sun":{"sidereal_longitude":45.1186,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":23.1092,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.9905,"elapsed_within_tithi_degrees":1.9905},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":23.1092,"elapsed_within_degrees":9.7759},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":68.2278},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.959,"elongation":22.009},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.959,"opposition_distance":157.991}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":1.195,"elongation":1.712}]},"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":"04:52","sunsetLocal":"18:17","solarNoonLocal":"11:34","dayLengthHours":13.411743008826473,"dayLengthDisplay":"13 Hours 24 Mins 42 Secs","nightLengthDisplay":"10 Hours 35 Mins 18 Secs","moonriseLocal":"03:38","moonsetLocal":"16:43","rahuKala":{"name":"Rāhu Kāla","start":"14:56","end":"16:36","startHours":14.927036306237621,"endHours":16.60350418234093,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:13","end":"09:54","startHours":8.221164801824385,"endHours":9.897632677927692,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:34","end":"13:15","startHours":11.574100554031002,"endHours":13.250568430134312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:00","end":"08:27","startHours":7.997635751677277,"endHours":8.444693851971493,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:26","end":"05:47","startHours":5.427051674985536,"endHours":5.784698155220909,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:08","end":"12:01","startHours":11.127042453736788,"endHours":12.02115865432522,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:05","end":"03:58","startHours":3.079996648440903,"endHours":3.9741128490293347,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:45","end":"04:52","startHours":3.750583798882227,"endHours":4.868229049617766,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:42","startHours":13.809391055502083,"endHours":14.703507256090514,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.07997205844424,"endHours":18.47997205844424,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:50","startHours":18.27997205844424,"endHours":18.83879468381201,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.02997205844424,"endHours":19.77997205844424,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:08","end":"00:01","startHours":23.12704245373679,"endHours":24.02115865432522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"04:52","end":"06:33","startHours":4.868229049617766,"endHours":6.544696925721075,"quality":"inauspicious"},{"name":"Udveg","start":"06:33","end":"08:13","startHours":6.544696925721075,"endHours":8.221164801824385,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:54","startHours":8.221164801824385,"endHours":9.897632677927692,"quality":"neutral"},{"name":"Labha","start":"09:54","end":"11:34","startHours":9.897632677927692,"endHours":11.574100554031002,"quality":"auspicious"},{"name":"Amṛta","start":"11:34","end":"13:15","startHours":11.574100554031002,"endHours":13.250568430134312,"quality":"auspicious"},{"name":"Kāla","start":"13:15","end":"14:56","startHours":13.250568430134312,"endHours":14.927036306237621,"quality":"inauspicious"},{"name":"Śubha","start":"14:56","end":"16:36","startHours":14.927036306237621,"endHours":16.60350418234093,"quality":"auspicious"},{"name":"Roga","start":"16:36","end":"18:17","startHours":16.60350418234093,"endHours":18.27997205844424,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:17","end":"19:36","startHours":18.27997205844424,"endHours":19.60350418234093,"quality":"inauspicious"},{"name":"Śubha","start":"19:36","end":"20:56","startHours":19.60350418234093,"endHours":20.92703630623762,"quality":"auspicious"},{"name":"Roga","start":"20:56","end":"22:15","startHours":20.92703630623762,"endHours":22.25056843013431,"quality":"inauspicious"},{"name":"Udveg","start":"22:15","end":"23:34","startHours":22.25056843013431,"endHours":23.574100554031006,"quality":"inauspicious"},{"name":"Chala","start":"23:34","end":"00:54","startHours":23.574100554031006,"endHours":24.897632677927696,"quality":"neutral"},{"name":"Labha","start":"00:54","end":"02:13","startHours":24.897632677927696,"endHours":26.221164801824386,"quality":"auspicious"},{"name":"Amṛta","start":"02:13","end":"03:33","startHours":26.221164801824386,"endHours":27.544696925721077,"quality":"auspicious"},{"name":"Kāla","start":"03:33","end":"04:52","startHours":27.544696925721077,"endHours":28.868229049617767,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:52","end":"05:52","startHours":4.868229049617766,"endHours":5.868229049617766,"planetary_lord":"Mars"},{"name":"Hora 2","start":"05:52","end":"06:52","startHours":5.868229049617766,"endHours":6.868229049617766,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"06:52","end":"07:52","startHours":6.868229049617766,"endHours":7.868229049617766,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"07:52","end":"08:52","startHours":7.868229049617766,"endHours":8.868229049617767,"planetary_lord":"Moon"},{"name":"Hora 5","start":"08:52","end":"09:52","startHours":8.868229049617767,"endHours":9.868229049617767,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"09:52","end":"10:52","startHours":9.868229049617767,"endHours":10.868229049617767,"planetary_lord":"Venus"},{"name":"Hora 7","start":"10:52","end":"11:52","startHours":10.868229049617767,"endHours":11.868229049617767,"planetary_lord":"Sun"},{"name":"Hora 8","start":"11:52","end":"12:52","startHours":11.868229049617767,"endHours":12.868229049617767,"planetary_lord":"Mars"},{"name":"Hora 9","start":"12:52","end":"13:52","startHours":12.868229049617767,"endHours":13.868229049617767,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"13:52","end":"14:52","startHours":13.868229049617767,"endHours":14.868229049617767,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"14:52","end":"15:52","startHours":14.868229049617767,"endHours":15.868229049617767,"planetary_lord":"Moon"},{"name":"Hora 12","start":"15:52","end":"16:52","startHours":15.868229049617767,"endHours":16.868229049617767,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"16:52","end":"17:52","startHours":16.868229049617767,"endHours":17.868229049617767,"planetary_lord":"Venus"},{"name":"Hora 14","start":"17:52","end":"18:52","startHours":17.868229049617767,"endHours":18.868229049617767,"planetary_lord":"Sun"},{"name":"Hora 15","start":"18:52","end":"19:52","startHours":18.868229049617767,"endHours":19.868229049617767,"planetary_lord":"Mars"},{"name":"Hora 16","start":"19:52","end":"20:52","startHours":19.868229049617767,"endHours":20.868229049617767,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"20:52","end":"21:52","startHours":20.868229049617767,"endHours":21.868229049617767,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"21:52","end":"22:52","startHours":21.868229049617767,"endHours":22.868229049617767,"planetary_lord":"Moon"},{"name":"Hora 19","start":"22:52","end":"23:52","startHours":22.868229049617767,"endHours":23.868229049617767,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"23:52","end":"00:52","startHours":23.868229049617767,"endHours":24.868229049617767,"planetary_lord":"Venus"},{"name":"Hora 21","start":"00:52","end":"01:52","startHours":24.868229049617767,"endHours":25.868229049617767,"planetary_lord":"Sun"},{"name":"Hora 22","start":"01:52","end":"02:52","startHours":25.868229049617767,"endHours":26.868229049617767,"planetary_lord":"Mars"},{"name":"Hora 23","start":"02:52","end":"03:52","startHours":26.868229049617767,"endHours":27.868229049617767,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"03:52","end":"04:52","startHours":27.868229049617767,"endHours":28.868229049617767,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.83854043611455,"eotMinutes":2.4995667581397525,"ayanamsa":24.0124}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturdaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 May 31, 2011 CE · Howrah, West Bengal · Vidhyamitra","description":"May 31, 2011 CE for Howrah, West Bengal: Kṛṣṇa Caturdaśī, sūryodaya 04:52, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2011-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2011-05-31","sa":"https://sa.vidhyamitra.com/city/howrah/2011-05-31","hi":"https://hi.vidhyamitra.com/city/howrah/2011-05-31","x-default":"https://vidhyamitra.com/city/howrah/2011-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T10:14:48.172Z","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":"2026-05-15T10:14:48.172Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T10:14:48.172Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}