{"id":"vidhyamitra:city-day:howrah:2107-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2107-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-04-01","date_display":"April 1, 2107 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":2107,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490715.770833,"kali_year":5208,"ahargana":1902250.2708,"sun":{"sidereal_longitude":345.2856,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":77.5841,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.2985,"elapsed_within_tithi_degrees":8.2985},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.5841,"elapsed_within_degrees":10.9174},"yoga":{"number":5,"name":"Śobhana","sum_longitude":62.8697},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2107,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490715.770833,"ahargana":1902250.2708,"kali_year":5208,"ayanamsa_lahiri":25.3511,"grahas":{"sun":{"sidereal_longitude":345.364499,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":75.851899,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.1705},"mars":{"sidereal_longitude":342.726099,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":332.46129900000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":20.574899000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":314.8485989999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":260.69719899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":189.6264,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":9.6264,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2107,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490715.770833,"kali_year":5208,"ahargana":1902250.2708,"sun":{"sidereal_longitude":345.2856,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":77.5841,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.2985,"elapsed_within_tithi_degrees":8.2985},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.5841,"elapsed_within_degrees":10.9174},"yoga":{"number":5,"name":"Śobhana","sum_longitude":62.8697},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.17,"elongation":92.299},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.17,"opposition_distance":87.701}},"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":"05:31","sunsetLocal":"17:52","solarNoonLocal":"11:41","dayLengthHours":12.356520427134164,"dayLengthDisplay":"12 Hours 21 Mins 23 Secs","nightLengthDisplay":"11 Hours 38 Mins 37 Secs","moonriseLocal":"11:00","moonsetLocal":"00:27","rahuKala":{"name":"Rāhu Kāla","start":"10:09","end":"11:41","startHours":10.143599881627422,"endHours":11.688164935019191,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:47","end":"16:19","startHours":14.777295041802734,"endHours":16.321860095194502,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:03","end":"08:36","startHours":7.054469774843881,"endHours":8.599034828235652,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:48","startHours":8.393092821116749,"endHours":8.804976835354553,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:21","startHours":6.024759739249367,"endHours":6.3542669506396114,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:17","end":"12:06","startHours":11.276280920781385,"endHours":12.100048949256998,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:41","startHours":3.862368664500888,"endHours":4.6861366929765,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:31","startHours":4.4801946858575965,"endHours":5.50990472145211,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:45","end":"14:34","startHours":13.747585006208219,"endHours":14.57135303468383,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.666425148586274,"endHours":18.066425148586273,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:23","startHours":17.866425148586274,"endHours":18.38128016638353,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.616425148586274,"endHours":19.366425148586274,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:17","end":"00:06","startHours":23.276280920781385,"endHours":24.100048949256998,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:31","end":"07:03","startHours":5.50990472145211,"endHours":7.054469774843881,"quality":"neutral"},{"name":"Labha","start":"07:03","end":"08:36","startHours":7.054469774843881,"endHours":8.599034828235652,"quality":"auspicious"},{"name":"Amṛta","start":"08:36","end":"10:09","startHours":8.599034828235652,"endHours":10.143599881627422,"quality":"auspicious"},{"name":"Kāla","start":"10:09","end":"11:41","startHours":10.143599881627422,"endHours":11.688164935019191,"quality":"inauspicious"},{"name":"Śubha","start":"11:41","end":"13:14","startHours":11.688164935019191,"endHours":13.232729988410963,"quality":"auspicious"},{"name":"Roga","start":"13:14","end":"14:47","startHours":13.232729988410963,"endHours":14.777295041802734,"quality":"inauspicious"},{"name":"Udveg","start":"14:47","end":"16:19","startHours":14.777295041802734,"endHours":16.321860095194502,"quality":"inauspicious"},{"name":"Chala","start":"16:19","end":"17:52","startHours":16.321860095194502,"endHours":17.866425148586274,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:52","end":"19:19","startHours":17.866425148586274,"endHours":19.321860095194502,"quality":"inauspicious"},{"name":"Udveg","start":"19:19","end":"20:47","startHours":19.321860095194502,"endHours":20.77729504180273,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:14","startHours":20.77729504180273,"endHours":22.232729988410963,"quality":"neutral"},{"name":"Labha","start":"22:14","end":"23:41","startHours":22.232729988410963,"endHours":23.68816493501919,"quality":"auspicious"},{"name":"Amṛta","start":"23:41","end":"01:09","startHours":23.68816493501919,"endHours":25.14359988162742,"quality":"auspicious"},{"name":"Kāla","start":"01:09","end":"02:36","startHours":25.14359988162742,"endHours":26.599034828235652,"quality":"inauspicious"},{"name":"Śubha","start":"02:36","end":"04:03","startHours":26.599034828235652,"endHours":28.05446977484388,"quality":"auspicious"},{"name":"Roga","start":"04:03","end":"05:31","startHours":28.05446977484388,"endHours":29.50990472145211,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.50990472145211,"endHours":6.50990472145211,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.50990472145211,"endHours":7.50990472145211,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.50990472145211,"endHours":8.50990472145211,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.50990472145211,"endHours":9.50990472145211,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.50990472145211,"endHours":10.50990472145211,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.50990472145211,"endHours":11.50990472145211,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.50990472145211,"endHours":12.50990472145211,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.50990472145211,"endHours":13.50990472145211,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.50990472145211,"endHours":14.50990472145211,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.50990472145211,"endHours":15.50990472145211,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.50990472145211,"endHours":16.50990472145211,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.50990472145211,"endHours":17.50990472145211,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.50990472145211,"endHours":18.50990472145211,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.50990472145211,"endHours":19.50990472145211,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.50990472145211,"endHours":20.50990472145211,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.50990472145211,"endHours":21.50990472145211,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.50990472145211,"endHours":22.50990472145211,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.50990472145211,"endHours":23.50990472145211,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.50990472145211,"endHours":24.50990472145211,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.50990472145211,"endHours":25.50990472145211,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.50990472145211,"endHours":26.50990472145211,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.50990472145211,"endHours":27.50990472145211,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.50990472145211,"endHours":28.50990472145211,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.50990472145211,"endHours":29.50990472145211,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.241011319675302,"eotMinutes":-4.344296101151456,"ayanamsa":25.3511}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Aṣṭamī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 April 1, 2107 CE · Howrah, West Bengal · Vidhyamitra","description":"April 1, 2107 CE for Howrah, West Bengal: Śukla Aṣṭamī, sūryodaya 05:31, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2107-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2107-04-01","sa":"https://sa.vidhyamitra.com/city/howrah/2107-04-01","hi":"https://hi.vidhyamitra.com/city/howrah/2107-04-01","x-default":"https://vidhyamitra.com/city/howrah/2107-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:08:41.939Z","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":"2026-05-31T16:08:41.939Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:08:41.939Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}