{"id":"vidhyamitra:city-day:howrah:2022-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2022-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2022-04-13","date_display":"April 13, 2022 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":2022,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459682.770833,"kali_year":5123,"ahargana":1871217.2708,"sun":{"sidereal_longitude":359.0274,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":131.8833,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.8559,"elapsed_within_tithi_degrees":0.8559},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.8833,"elapsed_within_degrees":11.8833},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":130.9108},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2022,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459682.770833,"ahargana":1871217.2708,"kali_year":5123,"ayanamsa_lahiri":24.1642,"grahas":{"sun":{"sidereal_longitude":358.941788,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":131.630588,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":4.4563},"mars":{"sidereal_longitude":303.94518800000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":9.423688000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":329.9043879999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":313.54968800000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":298.956188,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":33.9041,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":213.9041,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2022,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459682.770833,"kali_year":5123,"ahargana":1871217.2708,"sun":{"sidereal_longitude":359.0274,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":131.8833,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.8559,"elapsed_within_tithi_degrees":0.8559},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.8833,"elapsed_within_degrees":11.8833},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":130.9108},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.456,"elongation":132.856},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.456,"opposition_distance":47.144}},"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":"05:19","sunsetLocal":"17:56","solarNoonLocal":"11:38","dayLengthHours":12.624885028347617,"dayLengthDisplay":"12 Hours 37 Mins 30 Secs","nightLengthDisplay":"11 Hours 22 Mins 30 Secs","moonriseLocal":"14:10","moonsetLocal":"02:47","rahuKala":{"name":"Rāhu Kāla","start":"11:38","end":"13:12","startHours":11.628590180495074,"endHours":13.206700809038527,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:54","end":"08:28","startHours":6.894258294864716,"endHours":8.472368923408169,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:03","end":"11:38","startHours":10.050479551951621,"endHours":11.628590180495074,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:16","end":"08:41","startHours":8.26195417293571,"endHours":8.682783673880628,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:11","startHours":5.842184542502416,"endHours":6.178848143258352,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:12","end":"12:03","startHours":11.207760679550152,"endHours":12.049419681439993,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:28","startHours":3.6328296625415826,"endHours":4.474488664431424,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:19","startHours":4.264073913958963,"endHours":5.316147666321265,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:34","startHours":13.732737685219675,"endHours":14.574396687109516,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.74103269466888,"endHours":18.14103269466888,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:28","startHours":17.94103269466888,"endHours":18.467069570850033,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.69103269466888,"endHours":19.44103269466888,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:12","end":"00:03","startHours":23.207760679550155,"endHours":24.049419681439993,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:19","end":"06:54","startHours":5.316147666321265,"endHours":6.894258294864716,"quality":"auspicious"},{"name":"Amṛta","start":"06:54","end":"08:28","startHours":6.894258294864716,"endHours":8.472368923408169,"quality":"auspicious"},{"name":"Kāla","start":"08:28","end":"10:03","startHours":8.472368923408169,"endHours":10.050479551951621,"quality":"inauspicious"},{"name":"Śubha","start":"10:03","end":"11:38","startHours":10.050479551951621,"endHours":11.628590180495074,"quality":"auspicious"},{"name":"Roga","start":"11:38","end":"13:12","startHours":11.628590180495074,"endHours":13.206700809038527,"quality":"inauspicious"},{"name":"Udveg","start":"13:12","end":"14:47","startHours":13.206700809038527,"endHours":14.784811437581975,"quality":"inauspicious"},{"name":"Chala","start":"14:47","end":"16:22","startHours":14.784811437581975,"endHours":16.362922066125428,"quality":"neutral"},{"name":"Labha","start":"16:22","end":"17:56","startHours":16.362922066125428,"endHours":17.94103269466888,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:56","end":"19:22","startHours":17.94103269466888,"endHours":19.362922066125428,"quality":"inauspicious"},{"name":"Chala","start":"19:22","end":"20:47","startHours":19.362922066125428,"endHours":20.784811437581975,"quality":"neutral"},{"name":"Labha","start":"20:47","end":"22:12","startHours":20.784811437581975,"endHours":22.206700809038523,"quality":"auspicious"},{"name":"Amṛta","start":"22:12","end":"23:38","startHours":22.206700809038523,"endHours":23.628590180495074,"quality":"auspicious"},{"name":"Kāla","start":"23:38","end":"01:03","startHours":23.628590180495074,"endHours":25.050479551951618,"quality":"inauspicious"},{"name":"Śubha","start":"01:03","end":"02:28","startHours":25.050479551951618,"endHours":26.47236892340817,"quality":"auspicious"},{"name":"Roga","start":"02:28","end":"03:54","startHours":26.47236892340817,"endHours":27.894258294864716,"quality":"inauspicious"},{"name":"Udveg","start":"03:54","end":"05:19","startHours":27.894258294864716,"endHours":29.316147666321264,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.316147666321265,"endHours":6.316147666321265,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.316147666321265,"endHours":7.316147666321265,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.316147666321265,"endHours":8.316147666321264,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.316147666321264,"endHours":9.316147666321264,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.316147666321264,"endHours":10.316147666321264,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.316147666321264,"endHours":11.316147666321264,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.316147666321264,"endHours":12.316147666321264,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.316147666321264,"endHours":13.316147666321264,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.316147666321264,"endHours":14.316147666321264,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.316147666321264,"endHours":15.316147666321264,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.316147666321264,"endHours":16.316147666321264,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.316147666321264,"endHours":17.316147666321264,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.316147666321264,"endHours":18.316147666321264,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.316147666321264,"endHours":19.316147666321264,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.316147666321264,"endHours":20.316147666321264,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.316147666321264,"endHours":21.316147666321264,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.316147666321264,"endHours":22.316147666321264,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.316147666321264,"endHours":23.316147666321264,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.316147666321264,"endHours":24.316147666321264,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.316147666321264,"endHours":25.316147666321264,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.316147666321264,"endHours":26.316147666321264,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.316147666321264,"endHours":27.316147666321264,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.316147666321264,"endHours":28.316147666321264,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.316147666321264,"endHours":29.316147666321264,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":8.979637646295215,"eotMinutes":-0.7698108297043191,"ayanamsa":24.1642}},"calendars":{"vikram_samvat":2079,"vikram_samvatsara":"Rākṣasa","saka_samvat":1944,"saka_samvatsara":"Śubhakṛt","bengali_samvat":1429,"malayalam_era":1198,"nanakshahi_year":553,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvādaśī · Vikram 2079 Rākṣasa · Śaka 1944 Śubhakṛt"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 13, 2022 CE · Howrah, West Bengal · Vidhyamitra","description":"April 13, 2022 CE for Howrah, West Bengal: Śukla Dvādaśī, sūryodaya 05:19, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2022-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2022-04-13","sa":"https://sa.vidhyamitra.com/city/howrah/2022-04-13","hi":"https://hi.vidhyamitra.com/city/howrah/2022-04-13","x-default":"https://vidhyamitra.com/city/howrah/2022-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:38:08.162Z","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":"2026-05-14T15:38:08.162Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:38:08.162Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}