{"id":"vidhyamitra:city-day:howrah:2011-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2011-05-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-17","date_display":"May 17, 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":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455698.770833,"kali_year":5113,"ahargana":1867233.2708,"sun":{"sidereal_longitude":31.7516,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":207.3264,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5748,"elapsed_within_tithi_degrees":7.5748},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3264,"elapsed_within_degrees":7.3264},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.078},"karana":{"half_tithi_index":29,"name":"Bava"},"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":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455698.770833,"ahargana":1867233.2708,"kali_year":5113,"ayanamsa_lahiri":24.0119,"grahas":{"sun":{"sidereal_longitude":31.80440599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":206.066506,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":-2.7482},"mars":{"sidereal_longitude":10.10600599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":7.090305999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":1.9605060000000094,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":7.217605999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":166.797906,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":244.9956,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":64.9956,"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":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455698.770833,"kali_year":5113,"ahargana":1867233.2708,"sun":{"sidereal_longitude":31.7516,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":207.3264,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5748,"elapsed_within_tithi_degrees":7.5748},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3264,"elapsed_within_degrees":7.3264},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.078},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.748,"elongation":175.575},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.748,"opposition_distance":4.425}},"eclipse_window_40days":[{"offset_days":16,"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":"04:56","sunsetLocal":"18:10","solarNoonLocal":"11:33","dayLengthHours":13.240576591711571,"dayLengthDisplay":"13 Hours 14 Mins 26 Secs","nightLengthDisplay":"10 Hours 45 Mins 34 Secs","moonriseLocal":"17:38","moonsetLocal":"04:42","rahuKala":{"name":"Rāhu Kāla","start":"14:52","end":"16:31","startHours":14.863889488027674,"endHours":16.51896156199162,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:15","end":"09:54","startHours":8.243601192171889,"endHours":9.898673266135834,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:33","end":"13:13","startHours":11.55374534009978,"endHours":13.208817414063727,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:01","end":"08:28","startHours":8.022924915643362,"endHours":8.464277468700415,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:29","end":"05:50","startHours":5.485147735565311,"endHours":5.8382297780109536,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"12:00","startHours":11.112392787042728,"endHours":11.995097893156833,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:10","end":"04:03","startHours":3.1680468320157864,"endHours":4.050751938129891,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:50","end":"04:56","startHours":3.8300756616013647,"endHours":4.933457044243996,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:39","startHours":13.760508105385044,"endHours":14.64321321149915,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.974033635955568,"endHours":18.374033635955566,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:44","startHours":18.174033635955567,"endHours":18.725724327276883,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.924033635955567,"endHours":19.674033635955567,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"00:00","startHours":23.11239278704273,"endHours":23.99509789315683,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"04:56","end":"06:35","startHours":4.933457044243996,"endHours":6.588529118207942,"quality":"inauspicious"},{"name":"Udveg","start":"06:35","end":"08:15","startHours":6.588529118207942,"endHours":8.243601192171889,"quality":"inauspicious"},{"name":"Chala","start":"08:15","end":"09:54","startHours":8.243601192171889,"endHours":9.898673266135834,"quality":"neutral"},{"name":"Labha","start":"09:54","end":"11:33","startHours":9.898673266135834,"endHours":11.55374534009978,"quality":"auspicious"},{"name":"Amṛta","start":"11:33","end":"13:13","startHours":11.55374534009978,"endHours":13.208817414063727,"quality":"auspicious"},{"name":"Kāla","start":"13:13","end":"14:52","startHours":13.208817414063727,"endHours":14.863889488027674,"quality":"inauspicious"},{"name":"Śubha","start":"14:52","end":"16:31","startHours":14.863889488027674,"endHours":16.51896156199162,"quality":"auspicious"},{"name":"Roga","start":"16:31","end":"18:10","startHours":16.51896156199162,"endHours":18.174033635955567,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:10","end":"19:31","startHours":18.174033635955567,"endHours":19.51896156199162,"quality":"inauspicious"},{"name":"Śubha","start":"19:31","end":"20:52","startHours":19.51896156199162,"endHours":20.863889488027674,"quality":"auspicious"},{"name":"Roga","start":"20:52","end":"22:13","startHours":20.863889488027674,"endHours":22.208817414063727,"quality":"inauspicious"},{"name":"Udveg","start":"22:13","end":"23:33","startHours":22.208817414063727,"endHours":23.55374534009978,"quality":"inauspicious"},{"name":"Chala","start":"23:33","end":"00:54","startHours":23.55374534009978,"endHours":24.898673266135834,"quality":"neutral"},{"name":"Labha","start":"00:54","end":"02:15","startHours":24.898673266135834,"endHours":26.243601192171887,"quality":"auspicious"},{"name":"Amṛta","start":"02:15","end":"03:35","startHours":26.243601192171887,"endHours":27.588529118207944,"quality":"auspicious"},{"name":"Kāla","start":"03:35","end":"04:56","startHours":27.588529118207944,"endHours":28.933457044243994,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:56","end":"05:56","startHours":4.933457044243996,"endHours":5.933457044243996,"planetary_lord":"Mars"},{"name":"Hora 2","start":"05:56","end":"06:56","startHours":5.933457044243996,"endHours":6.933457044243996,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"06:56","end":"07:56","startHours":6.933457044243996,"endHours":7.933457044243996,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"07:56","end":"08:56","startHours":7.933457044243996,"endHours":8.933457044243996,"planetary_lord":"Moon"},{"name":"Hora 5","start":"08:56","end":"09:56","startHours":8.933457044243996,"endHours":9.933457044243996,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"09:56","end":"10:56","startHours":9.933457044243996,"endHours":10.933457044243996,"planetary_lord":"Venus"},{"name":"Hora 7","start":"10:56","end":"11:56","startHours":10.933457044243996,"endHours":11.933457044243996,"planetary_lord":"Sun"},{"name":"Hora 8","start":"11:56","end":"12:56","startHours":11.933457044243996,"endHours":12.933457044243996,"planetary_lord":"Mars"},{"name":"Hora 9","start":"12:56","end":"13:56","startHours":12.933457044243996,"endHours":13.933457044243996,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"13:56","end":"14:56","startHours":13.933457044243996,"endHours":14.933457044243996,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"14:56","end":"15:56","startHours":14.933457044243996,"endHours":15.933457044243996,"planetary_lord":"Moon"},{"name":"Hora 12","start":"15:56","end":"16:56","startHours":15.933457044243996,"endHours":16.933457044243994,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"16:56","end":"17:56","startHours":16.933457044243994,"endHours":17.933457044243994,"planetary_lord":"Venus"},{"name":"Hora 14","start":"17:56","end":"18:56","startHours":17.933457044243994,"endHours":18.933457044243994,"planetary_lord":"Sun"},{"name":"Hora 15","start":"18:56","end":"19:56","startHours":18.933457044243994,"endHours":19.933457044243994,"planetary_lord":"Mars"},{"name":"Hora 16","start":"19:56","end":"20:56","startHours":19.933457044243994,"endHours":20.933457044243994,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"20:56","end":"21:56","startHours":20.933457044243994,"endHours":21.933457044243994,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"21:56","end":"22:56","startHours":21.933457044243994,"endHours":22.933457044243994,"planetary_lord":"Moon"},{"name":"Hora 19","start":"22:56","end":"23:56","startHours":22.933457044243994,"endHours":23.933457044243994,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"23:56","end":"00:56","startHours":23.933457044243994,"endHours":24.933457044243994,"planetary_lord":"Venus"},{"name":"Hora 21","start":"00:56","end":"01:56","startHours":24.933457044243994,"endHours":25.933457044243994,"planetary_lord":"Sun"},{"name":"Hora 22","start":"01:56","end":"02:56","startHours":25.933457044243994,"endHours":26.933457044243994,"planetary_lord":"Mars"},{"name":"Hora 23","start":"02:56","end":"03:56","startHours":26.933457044243994,"endHours":27.933457044243994,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"03:56","end":"04:56","startHours":27.933457044243994,"endHours":28.933457044243994,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.20932869770012,"eotMinutes":3.7208795940131294,"ayanamsa":24.0119}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pūrṇimā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","historical_anchor":{"event":"Bhagavān Buddha's birth at Lumbinī","date_julian":"-0562-04-11","location":"Lumbinī, Nepal"},"sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"id":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā + Viśākhā","url":"/day/-0562-04-11","relevance":1},{"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}]},"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 17, 2011 CE · Howrah, West Bengal · Vidhyamitra","description":"May 17, 2011 CE for Howrah, West Bengal: Śukla Pūrṇimā, sūryodaya 04:56, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2011-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2011-05-17","sa":"https://sa.vidhyamitra.com/city/howrah/2011-05-17","hi":"https://hi.vidhyamitra.com/city/howrah/2011-05-17","x-default":"https://vidhyamitra.com/city/howrah/2011-05-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T22:48:03.475Z","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":"2026-05-30T22:48:03.475Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T22:48:03.475Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}