{"id":"vidhyamitra:city-day:howrah:2004-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2004-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-04-17","date_display":"April 17, 2004 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":2004,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453112.770833,"kali_year":5106,"ahargana":1864647.2708,"sun":{"sidereal_longitude":3.5716,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":334.4548,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.8832,"elapsed_within_tithi_degrees":6.8832},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.4548,"elapsed_within_degrees":1.1215},"yoga":{"number":26,"name":"Indra","sum_longitude":338.0264},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2004,"month":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453112.770833,"ahargana":1864647.2708,"kali_year":5106,"ayanamsa_lahiri":23.913,"grahas":{"sun":{"sidereal_longitude":3.4603099999999927,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":334.30771000000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.3193},"mars":{"sidereal_longitude":53.07720999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":3.5937099999999873,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":135.62121000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":47.87000999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":73.71161000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":22.0143,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":202.0143,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"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":2004,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453112.770833,"kali_year":5106,"ahargana":1864647.2708,"sun":{"sidereal_longitude":3.5716,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":334.4548,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.8832,"elapsed_within_tithi_degrees":6.8832},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.4548,"elapsed_within_degrees":1.1215},"yoga":{"number":26,"name":"Indra","sum_longitude":338.0264},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.319,"elongation":29.117},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.319,"opposition_distance":150.883}},"eclipse_window_40days":[{"offset_days":18,"type":"lunar","occurs":true,"moon_latitude":-0.097,"opposition_distance":1.287}]},"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":"05:15","sunsetLocal":"17:58","solarNoonLocal":"11:37","dayLengthHours":12.71478621016071,"dayLengthDisplay":"12 Hours 42 Mins 53 Secs","nightLengthDisplay":"11 Hours 17 Mins 07 Secs","moonriseLocal":"03:39","moonsetLocal":"15:41","rahuKala":{"name":"Rāhu Kāla","start":"08:26","end":"10:01","startHours":8.432662631130992,"endHours":10.022010907401079,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:12","end":"14:47","startHours":13.200707459941256,"endHours":14.790055736211347,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:15","end":"06:51","startHours":5.253966078590813,"endHours":6.843314354860902,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:13","end":"08:39","startHours":8.220749527628312,"endHours":8.64457573463367,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:47","end":"06:07","startHours":5.78374883734751,"endHours":6.122809802951795,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:11","end":"12:02","startHours":11.187532976665812,"endHours":12.035185390676526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:24","startHours":3.558661250569385,"endHours":4.406313664580099,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:15","startHours":4.194400561077421,"endHours":5.253966078590813,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:35","startHours":13.730490218697952,"endHours":14.578142632708666,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.768752288751525,"endHours":18.168752288751524,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:30","startHours":17.968752288751524,"endHours":18.49853504750822,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.718752288751524,"endHours":19.468752288751524,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:11","end":"00:02","startHours":23.18753297666581,"endHours":24.035185390676528,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:15","end":"06:51","startHours":5.253966078590813,"endHours":6.843314354860902,"quality":"inauspicious"},{"name":"Śubha","start":"06:51","end":"08:26","startHours":6.843314354860902,"endHours":8.432662631130992,"quality":"auspicious"},{"name":"Roga","start":"08:26","end":"10:01","startHours":8.432662631130992,"endHours":10.022010907401079,"quality":"inauspicious"},{"name":"Udveg","start":"10:01","end":"11:37","startHours":10.022010907401079,"endHours":11.61135918367117,"quality":"inauspicious"},{"name":"Chala","start":"11:37","end":"13:12","startHours":11.61135918367117,"endHours":13.200707459941256,"quality":"neutral"},{"name":"Labha","start":"13:12","end":"14:47","startHours":13.200707459941256,"endHours":14.790055736211347,"quality":"auspicious"},{"name":"Amṛta","start":"14:47","end":"16:23","startHours":14.790055736211347,"endHours":16.379404012481434,"quality":"auspicious"},{"name":"Kāla","start":"16:23","end":"17:58","startHours":16.379404012481434,"endHours":17.968752288751524,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:58","end":"19:23","startHours":17.968752288751524,"endHours":19.379404012481437,"quality":"auspicious"},{"name":"Amṛta","start":"19:23","end":"20:47","startHours":19.379404012481437,"endHours":20.790055736211347,"quality":"auspicious"},{"name":"Kāla","start":"20:47","end":"22:12","startHours":20.790055736211347,"endHours":22.200707459941256,"quality":"inauspicious"},{"name":"Śubha","start":"22:12","end":"23:37","startHours":22.200707459941256,"endHours":23.61135918367117,"quality":"auspicious"},{"name":"Roga","start":"23:37","end":"01:01","startHours":23.61135918367117,"endHours":25.022010907401082,"quality":"inauspicious"},{"name":"Udveg","start":"01:01","end":"02:26","startHours":25.022010907401082,"endHours":26.43266263113099,"quality":"inauspicious"},{"name":"Chala","start":"02:26","end":"03:51","startHours":26.43266263113099,"endHours":27.8433143548609,"quality":"neutral"},{"name":"Labha","start":"03:51","end":"05:15","startHours":27.8433143548609,"endHours":29.253966078590814,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.253966078590813,"endHours":6.253966078590813,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.253966078590813,"endHours":7.253966078590813,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.253966078590813,"endHours":8.253966078590814,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.253966078590814,"endHours":9.253966078590814,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.253966078590814,"endHours":10.253966078590814,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.253966078590814,"endHours":11.253966078590814,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.253966078590814,"endHours":12.253966078590814,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.253966078590814,"endHours":13.253966078590814,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.253966078590814,"endHours":14.253966078590814,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.253966078590814,"endHours":15.253966078590814,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.253966078590814,"endHours":16.253966078590814,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.253966078590814,"endHours":17.253966078590814,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.253966078590814,"endHours":18.253966078590814,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.253966078590814,"endHours":19.253966078590814,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.253966078590814,"endHours":20.253966078590814,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.253966078590814,"endHours":21.253966078590814,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.253966078590814,"endHours":22.253966078590814,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.253966078590814,"endHours":23.253966078590814,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.253966078590814,"endHours":24.253966078590814,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.253966078590814,"endHours":25.253966078590814,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.253966078590814,"endHours":26.253966078590814,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.253966078590814,"endHours":27.253966078590814,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.253966078590814,"endHours":28.253966078590814,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.253966078590814,"endHours":29.253966078590814,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.537083767119782,"eotMinutes":0.2640489797298191,"ayanamsa":23.913}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 April 17, 2004 CE · Howrah, West Bengal · Vidhyamitra","description":"April 17, 2004 CE for Howrah, West Bengal: Kṛṣṇa Trayodaśī, sūryodaya 05:15, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2004-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2004-04-17","sa":"https://sa.vidhyamitra.com/city/howrah/2004-04-17","hi":"https://hi.vidhyamitra.com/city/howrah/2004-04-17","x-default":"https://vidhyamitra.com/city/howrah/2004-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:41:04.150Z","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":"2026-06-02T13:41:04.150Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:41:04.150Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}