{"id":"vidhyamitra:city-day:howrah:1920-01-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1920-01-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-01-30","date_display":"January 30, 1920 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":1920,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422353.770833,"kali_year":5021,"ahargana":1833888.2708,"sun":{"sidereal_longitude":286.3081,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":36.7909,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.4828,"elapsed_within_tithi_degrees":2.4828},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":36.7909,"elapsed_within_degrees":10.1242},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.099},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":1920,"month":1,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422353.770833,"ahargana":1833888.2708,"kali_year":5021,"ayanamsa_lahiri":22.7365,"grahas":{"sun":{"sidereal_longitude":286.11852999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":34.20402999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-0.3931},"mars":{"sidereal_longitude":187.61343,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":282.52653,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":111.32613000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":249.00883,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":138.15922999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":211.7741,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.7741,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"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":1920,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422353.770833,"kali_year":5021,"ahargana":1833888.2708,"sun":{"sidereal_longitude":286.3081,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":36.7909,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.4828,"elapsed_within_tithi_degrees":2.4828},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":36.7909,"elapsed_within_degrees":10.1242},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.099},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.393,"elongation":110.483},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.393,"opposition_distance":69.517}},"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":"06:18","sunsetLocal":"17:23","solarNoonLocal":"11:50","dayLengthHours":11.088699980824394,"dayLengthDisplay":"11 Hours 05 Mins 19 Secs","nightLengthDisplay":"12 Hours 54 Mins 41 Secs","moonriseLocal":"12:26","moonsetLocal":"01:39","rahuKala":{"name":"Rāhu Kāla","start":"10:27","end":"11:50","startHours":10.452291601993027,"endHours":11.838379099596075,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:37","end":"16:00","startHours":14.610554094802175,"endHours":15.996641592405222,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:41","end":"09:04","startHours":7.680116606786928,"endHours":9.066204104389978,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:15","startHours":8.881392438042905,"endHours":9.251015770737052,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:03","startHours":6.756058275051562,"endHours":7.05175694120688,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:12","startHours":11.468755766901928,"endHours":12.208002432290222,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:33","startHours":4.815535778407293,"endHours":5.554782443795586,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:18","startHours":5.369970777448513,"endHours":6.294029109183879,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:26","startHours":13.686495763066809,"endHours":14.425742428455102,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.182729090008273,"endHours":17.58272909000827,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:51","startHours":17.382729090008272,"endHours":17.844758255875956,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.132729090008272,"endHours":18.882729090008272,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:12","startHours":23.46875576690193,"endHours":24.208002432290222,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:18","end":"07:41","startHours":6.294029109183879,"endHours":7.680116606786928,"quality":"neutral"},{"name":"Labha","start":"07:41","end":"09:04","startHours":7.680116606786928,"endHours":9.066204104389978,"quality":"auspicious"},{"name":"Amṛta","start":"09:04","end":"10:27","startHours":9.066204104389978,"endHours":10.452291601993027,"quality":"auspicious"},{"name":"Kāla","start":"10:27","end":"11:50","startHours":10.452291601993027,"endHours":11.838379099596075,"quality":"inauspicious"},{"name":"Śubha","start":"11:50","end":"13:13","startHours":11.838379099596075,"endHours":13.224466597199125,"quality":"auspicious"},{"name":"Roga","start":"13:13","end":"14:37","startHours":13.224466597199125,"endHours":14.610554094802175,"quality":"inauspicious"},{"name":"Udveg","start":"14:37","end":"16:00","startHours":14.610554094802175,"endHours":15.996641592405222,"quality":"inauspicious"},{"name":"Chala","start":"16:00","end":"17:23","startHours":15.996641592405222,"endHours":17.382729090008272,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:23","end":"19:00","startHours":17.382729090008272,"endHours":18.996641592405222,"quality":"inauspicious"},{"name":"Udveg","start":"19:00","end":"20:37","startHours":18.996641592405222,"endHours":20.610554094802175,"quality":"inauspicious"},{"name":"Chala","start":"20:37","end":"22:13","startHours":20.610554094802175,"endHours":22.224466597199125,"quality":"neutral"},{"name":"Labha","start":"22:13","end":"23:50","startHours":22.224466597199125,"endHours":23.838379099596075,"quality":"auspicious"},{"name":"Amṛta","start":"23:50","end":"01:27","startHours":23.838379099596075,"endHours":25.452291601993025,"quality":"auspicious"},{"name":"Kāla","start":"01:27","end":"03:04","startHours":25.452291601993025,"endHours":27.066204104389975,"quality":"inauspicious"},{"name":"Śubha","start":"03:04","end":"04:41","startHours":27.066204104389975,"endHours":28.680116606786928,"quality":"auspicious"},{"name":"Roga","start":"04:41","end":"06:18","startHours":28.680116606786928,"endHours":30.294029109183878,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.294029109183879,"endHours":7.294029109183879,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.294029109183879,"endHours":8.294029109183878,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.294029109183878,"endHours":9.294029109183878,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.294029109183878,"endHours":10.294029109183878,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.294029109183878,"endHours":11.294029109183878,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.294029109183878,"endHours":12.294029109183878,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.294029109183878,"endHours":13.294029109183878,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.294029109183878,"endHours":14.294029109183878,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.294029109183878,"endHours":15.294029109183878,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.294029109183878,"endHours":16.294029109183878,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.294029109183878,"endHours":17.294029109183878,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.294029109183878,"endHours":18.294029109183878,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.294029109183878,"endHours":19.294029109183878,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.294029109183878,"endHours":20.294029109183878,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.294029109183878,"endHours":21.294029109183878,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.294029109183878,"endHours":22.294029109183878,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.294029109183878,"endHours":23.294029109183878,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.294029109183878,"endHours":24.294029109183878,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.294029109183878,"endHours":25.294029109183878,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.294029109183878,"endHours":26.294029109183878,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.294029109183878,"endHours":27.294029109183878,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.294029109183878,"endHours":28.294029109183878,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.294029109183878,"endHours":29.294029109183878,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.294029109183878,"endHours":30.294029109183878,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.042869333430925,"eotMinutes":-13.357145975764517,"ayanamsa":22.7365}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Daśamī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","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 January 30, 1920 CE · Howrah, West Bengal · Vidhyamitra","description":"January 30, 1920 CE for Howrah, West Bengal: Śukla Daśamī, sūryodaya 06:18, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1920-01-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1920-01-30","sa":"https://sa.vidhyamitra.com/city/howrah/1920-01-30","hi":"https://hi.vidhyamitra.com/city/howrah/1920-01-30","x-default":"https://vidhyamitra.com/city/howrah/1920-01-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T10:26:52.207Z","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":"2026-06-01T10:26:52.207Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T10:26:52.207Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}