{"id":"vidhyamitra:city-day:howrah:1897-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1897-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1897-02-01","date_display":"February 1, 1897 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":1897,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2413956.770833,"kali_year":4998,"ahargana":1825491.2708,"sun":{"sidereal_longitude":290.3452,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":282.0733,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.7281,"elapsed_within_tithi_degrees":3.7281},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.0733,"elapsed_within_degrees":2.0733},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.4185},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1897,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2413956.770833,"ahargana":1825491.2708,"kali_year":4998,"ayanamsa_lahiri":22.4154,"grahas":{"sun":{"sidereal_longitude":290.07575700000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":280.1662570000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-1.1343},"mars":{"sidereal_longitude":52.08655699999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":273.175657,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":136.17735699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":337.498057,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":218.26185699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":296.6876,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":116.6876,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1897,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2413956.770833,"kali_year":4998,"ahargana":1825491.2708,"sun":{"sidereal_longitude":290.3452,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":282.0733,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.7281,"elapsed_within_tithi_degrees":3.7281},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.0733,"elapsed_within_degrees":2.0733},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.4185},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.134,"elongation":8.272},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.134,"opposition_distance":171.728}},"eclipse_window_40days":[{"offset_days":-13,"type":"lunar","occurs":true,"moon_latitude":1.464,"opposition_distance":1.334}]},"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":"06:16","sunsetLocal":"17:25","solarNoonLocal":"11:51","dayLengthHours":11.14874415819697,"dayLengthDisplay":"11 Hours 08 Mins 55 Secs","nightLengthDisplay":"12 Hours 51 Mins 05 Secs","moonriseLocal":"05:42","moonsetLocal":"16:40","rahuKala":{"name":"Rāhu Kāla","start":"07:40","end":"09:03","startHours":7.663136742632729,"endHours":9.05672976240735,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:27","end":"11:51","startHours":10.450322782181972,"endHours":11.843915801956594,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:14","end":"14:38","startHours":13.237508821731215,"endHours":14.631101841505837,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:15","startHours":8.870917359770734,"endHours":9.242542165043968,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:02","startHours":6.734074729449649,"endHours":7.031374573668234,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:13","startHours":11.472290996683363,"endHours":12.215540607229826,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:32","startHours":4.783044501765179,"endHours":5.526294112311644,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:16","startHours":5.340481709675027,"endHours":6.269543722858108,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:42","end":"14:27","startHours":13.702039828322755,"endHours":14.44528943886922,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.21828788105508,"endHours":17.61828788105508,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:53","startHours":17.41828788105508,"endHours":17.882818887646618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.16828788105508,"endHours":18.91828788105508,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:13","startHours":23.472290996683363,"endHours":24.215540607229826,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:16","end":"07:40","startHours":6.269543722858108,"endHours":7.663136742632729,"quality":"auspicious"},{"name":"Kāla","start":"07:40","end":"09:03","startHours":7.663136742632729,"endHours":9.05672976240735,"quality":"inauspicious"},{"name":"Śubha","start":"09:03","end":"10:27","startHours":9.05672976240735,"endHours":10.450322782181972,"quality":"auspicious"},{"name":"Roga","start":"10:27","end":"11:51","startHours":10.450322782181972,"endHours":11.843915801956594,"quality":"inauspicious"},{"name":"Udveg","start":"11:51","end":"13:14","startHours":11.843915801956594,"endHours":13.237508821731215,"quality":"inauspicious"},{"name":"Chala","start":"13:14","end":"14:38","startHours":13.237508821731215,"endHours":14.631101841505837,"quality":"neutral"},{"name":"Labha","start":"14:38","end":"16:01","startHours":14.631101841505837,"endHours":16.02469486128046,"quality":"auspicious"},{"name":"Amṛta","start":"16:01","end":"17:25","startHours":16.02469486128046,"endHours":17.41828788105508,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:25","end":"19:01","startHours":17.41828788105508,"endHours":19.02469486128046,"quality":"neutral"},{"name":"Labha","start":"19:01","end":"20:38","startHours":19.02469486128046,"endHours":20.631101841505835,"quality":"auspicious"},{"name":"Amṛta","start":"20:38","end":"22:14","startHours":20.631101841505835,"endHours":22.237508821731215,"quality":"auspicious"},{"name":"Kāla","start":"22:14","end":"23:51","startHours":22.237508821731215,"endHours":23.843915801956594,"quality":"inauspicious"},{"name":"Śubha","start":"23:51","end":"01:27","startHours":23.843915801956594,"endHours":25.45032278218197,"quality":"auspicious"},{"name":"Roga","start":"01:27","end":"03:03","startHours":25.45032278218197,"endHours":27.05672976240735,"quality":"inauspicious"},{"name":"Udveg","start":"03:03","end":"04:40","startHours":27.05672976240735,"endHours":28.66313674263273,"quality":"inauspicious"},{"name":"Chala","start":"04:40","end":"06:16","startHours":28.66313674263273,"endHours":30.26954372285811,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.269543722858108,"endHours":7.269543722858108,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.269543722858108,"endHours":8.269543722858108,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.269543722858108,"endHours":9.269543722858108,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.269543722858108,"endHours":10.269543722858108,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.269543722858108,"endHours":11.269543722858108,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.269543722858108,"endHours":12.269543722858108,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.269543722858108,"endHours":13.269543722858108,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.269543722858108,"endHours":14.269543722858108,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.269543722858108,"endHours":15.269543722858108,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.269543722858108,"endHours":16.26954372285811,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.26954372285811,"endHours":17.26954372285811,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.26954372285811,"endHours":18.26954372285811,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.26954372285811,"endHours":19.26954372285811,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.26954372285811,"endHours":20.26954372285811,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.26954372285811,"endHours":21.26954372285811,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.26954372285811,"endHours":22.26954372285811,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.26954372285811,"endHours":23.26954372285811,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.26954372285811,"endHours":24.26954372285811,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.26954372285811,"endHours":25.26954372285811,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.26954372285811,"endHours":26.26954372285811,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.26954372285811,"endHours":27.26954372285811,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.26954372285811,"endHours":28.26954372285811,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.26954372285811,"endHours":29.26954372285811,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.26954372285811,"endHours":30.26954372285811,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.05446309706767,"eotMinutes":-13.689348117395623,"ayanamsa":22.4154}},"calendars":{"vikram_samvat":1954,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1819,"saka_samvatsara":"Hemalambī","bengali_samvat":1304,"malayalam_era":1073,"nanakshahi_year":428,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Amāvasyā · Vikram 1954 Sādhāraṇa · Śaka 1819 Hemalambī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 February 1, 1897 CE · Howrah, West Bengal · Vidhyamitra","description":"February 1, 1897 CE for Howrah, West Bengal: Kṛṣṇa Amāvasyā, sūryodaya 06:16, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1897-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1897-02-01","sa":"https://sa.vidhyamitra.com/city/howrah/1897-02-01","hi":"https://hi.vidhyamitra.com/city/howrah/1897-02-01","x-default":"https://vidhyamitra.com/city/howrah/1897-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T22:09:23.219Z","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":"2026-06-02T22:09:23.219Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T22:09:23.219Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}