{"id":"vidhyamitra:city-day:howrah:1909-08-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1909-08-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1909-08-23","date_display":"August 23, 1909 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":1909,"month":8,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418541.770833,"kali_year":5011,"ahargana":1830076.2708,"sun":{"sidereal_longitude":126.2356,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":207.3631,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":81.1275,"elapsed_within_tithi_degrees":9.1275},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3631,"elapsed_within_degrees":7.3631},"yoga":{"number":26,"name":"Indra","sum_longitude":333.5987},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1909,"month":8,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2418541.770833,"ahargana":1830076.2708,"kali_year":5011,"ayanamsa_lahiri":22.5908,"grahas":{"sun":{"sidereal_longitude":126.670976,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":204.139276,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":1.9984},"mars":{"sidereal_longitude":345.453376,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":144.711676,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":147.946376,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":158.69247599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":1.533075999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":53.7522,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":233.7522,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1909,"month":8,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418541.770833,"kali_year":5011,"ahargana":1830076.2708,"sun":{"sidereal_longitude":126.2356,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":207.3631,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":81.1275,"elapsed_within_tithi_degrees":9.1275},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3631,"elapsed_within_degrees":7.3631},"yoga":{"number":26,"name":"Indra","sum_longitude":333.5987},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.998,"elongation":81.128},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.998,"opposition_distance":98.872}},"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":"05:16","sunsetLocal":"18:03","solarNoonLocal":"11:39","dayLengthHours":12.784342375261705,"dayLengthDisplay":"12 Hours 47 Mins 04 Secs","nightLengthDisplay":"11 Hours 12 Mins 56 Secs","moonriseLocal":"11:15","moonsetLocal":"22:23","rahuKala":{"name":"Rāhu Kāla","start":"06:52","end":"08:27","startHours":6.859441137873922,"endHours":8.457483934781635,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:03","end":"11:39","startHours":10.05552673168935,"endHours":11.653569528597062,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:15","end":"14:51","startHours":13.251612325504775,"endHours":14.84965512241249,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:40","startHours":8.244411561860607,"endHours":8.670556307702665,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:08","startHours":5.794079273268781,"endHours":6.134995069942426,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:14","end":"12:05","startHours":11.227424782755005,"endHours":12.07971427443912,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:25","startHours":3.5568193575979823,"endHours":4.409108849282096,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:16","startHours":4.196036476361067,"endHours":5.26139834096621,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:47","end":"14:38","startHours":13.784293257807345,"endHours":14.636582749491458,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.845740716227915,"endHours":18.245740716227914,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:35","startHours":18.045740716227915,"endHours":18.578421648530487,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.795740716227915,"endHours":19.545740716227915,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:14","end":"00:05","startHours":23.227424782755005,"endHours":24.079714274439116,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:16","end":"06:52","startHours":5.26139834096621,"endHours":6.859441137873922,"quality":"auspicious"},{"name":"Kāla","start":"06:52","end":"08:27","startHours":6.859441137873922,"endHours":8.457483934781635,"quality":"inauspicious"},{"name":"Śubha","start":"08:27","end":"10:03","startHours":8.457483934781635,"endHours":10.05552673168935,"quality":"auspicious"},{"name":"Roga","start":"10:03","end":"11:39","startHours":10.05552673168935,"endHours":11.653569528597062,"quality":"inauspicious"},{"name":"Udveg","start":"11:39","end":"13:15","startHours":11.653569528597062,"endHours":13.251612325504775,"quality":"inauspicious"},{"name":"Chala","start":"13:15","end":"14:51","startHours":13.251612325504775,"endHours":14.84965512241249,"quality":"neutral"},{"name":"Labha","start":"14:51","end":"16:27","startHours":14.84965512241249,"endHours":16.447697919320202,"quality":"auspicious"},{"name":"Amṛta","start":"16:27","end":"18:03","startHours":16.447697919320202,"endHours":18.045740716227915,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:03","end":"19:27","startHours":18.045740716227915,"endHours":19.447697919320202,"quality":"neutral"},{"name":"Labha","start":"19:27","end":"20:51","startHours":19.447697919320202,"endHours":20.84965512241249,"quality":"auspicious"},{"name":"Amṛta","start":"20:51","end":"22:15","startHours":20.84965512241249,"endHours":22.251612325504773,"quality":"auspicious"},{"name":"Kāla","start":"22:15","end":"23:39","startHours":22.251612325504773,"endHours":23.65356952859706,"quality":"inauspicious"},{"name":"Śubha","start":"23:39","end":"01:03","startHours":23.65356952859706,"endHours":25.055526731689348,"quality":"auspicious"},{"name":"Roga","start":"01:03","end":"02:27","startHours":25.055526731689348,"endHours":26.457483934781635,"quality":"inauspicious"},{"name":"Udveg","start":"02:27","end":"03:52","startHours":26.457483934781635,"endHours":27.859441137873922,"quality":"inauspicious"},{"name":"Chala","start":"03:52","end":"05:16","startHours":27.859441137873922,"endHours":29.26139834096621,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.26139834096621,"endHours":6.26139834096621,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.26139834096621,"endHours":7.26139834096621,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.26139834096621,"endHours":8.26139834096621,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.26139834096621,"endHours":9.26139834096621,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.26139834096621,"endHours":10.26139834096621,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.26139834096621,"endHours":11.26139834096621,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.26139834096621,"endHours":12.26139834096621,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.26139834096621,"endHours":13.26139834096621,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.26139834096621,"endHours":14.26139834096621,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.26139834096621,"endHours":15.26139834096621,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.26139834096621,"endHours":16.26139834096621,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.26139834096621,"endHours":17.26139834096621,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.26139834096621,"endHours":18.26139834096621,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.26139834096621,"endHours":19.26139834096621,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.26139834096621,"endHours":20.26139834096621,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.26139834096621,"endHours":21.26139834096621,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.26139834096621,"endHours":22.26139834096621,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.26139834096621,"endHours":23.26139834096621,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.26139834096621,"endHours":24.26139834096621,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.26139834096621,"endHours":25.26139834096621,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.26139834096621,"endHours":26.26139834096621,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.26139834096621,"endHours":27.26139834096621,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.26139834096621,"endHours":28.26139834096621,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.26139834096621,"endHours":29.26139834096621,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.729275130061279,"eotMinutes":-2.2685717158237404,"ayanamsa":22.5908}},"calendars":{"vikram_samvat":1966,"vikram_samvatsara":"Dundubhi","saka_samvat":1831,"saka_samvatsara":"Saumya","bengali_samvat":1316,"malayalam_era":1085,"nanakshahi_year":440,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · Vikram 1966 Dundubhi · Śaka 1831 Saumya"},"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 August 23, 1909 CE · Howrah, West Bengal · Vidhyamitra","description":"August 23, 1909 CE for Howrah, West Bengal: Śukla Saptamī, sūryodaya 05:16, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1909-08-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1909-08-23","sa":"https://sa.vidhyamitra.com/city/howrah/1909-08-23","hi":"https://hi.vidhyamitra.com/city/howrah/1909-08-23","x-default":"https://vidhyamitra.com/city/howrah/1909-08-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:47:51.263Z","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":"2026-06-03T03:47:51.263Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:47:51.263Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}