{"id":"vidhyamitra:city-day:howrah:2181-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2181-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-10-01","date_display":"October 1, 2181 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":2181,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517927.770833,"kali_year":5283,"ahargana":1929462.2708,"sun":{"sidereal_longitude":160.78,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":74.3631,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.5831,"elapsed_within_tithi_degrees":9.5831},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.3631,"elapsed_within_degrees":7.6965},"yoga":{"number":18,"name":"Varīyān","sum_longitude":235.1432},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2181,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517927.770833,"ahargana":1929462.2708,"kali_year":5283,"ayanamsa_lahiri":26.3919,"grahas":{"sun":{"sidereal_longitude":161.96609999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":74.37940000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.128},"mars":{"sidereal_longitude":176.09770000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":146.35410000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":132.303,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":204.02599999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":94.66200000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":187.8037,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":7.8037,"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":2181,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517927.770833,"kali_year":5283,"ahargana":1929462.2708,"sun":{"sidereal_longitude":160.78,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":74.3631,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.5831,"elapsed_within_tithi_degrees":9.5831},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.3631,"elapsed_within_degrees":7.6965},"yoga":{"number":18,"name":"Varīyān","sum_longitude":235.1432},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.128,"elongation":86.417},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.128,"opposition_distance":93.583}},"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":"05:28","sunsetLocal":"17:24","solarNoonLocal":"11:26","dayLengthHours":11.936381315796147,"dayLengthDisplay":"11 Hours 56 Mins 11 Secs","nightLengthDisplay":"12 Hours 03 Mins 49 Secs","moonriseLocal":"22:52","moonsetLocal":"12:19","rahuKala":{"name":"Rāhu Kāla","start":"06:57","end":"08:27","startHours":6.953487603466703,"endHours":8.44553526794122,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:56","end":"11:26","startHours":9.93758293241574,"endHours":11.42963059689026,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:55","end":"14:25","startHours":12.921678261364777,"endHours":14.413725925839294,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:39","startHours":8.24659557934462,"endHours":8.644474956537824,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:17","startHours":5.958789160483691,"endHours":6.277092662238255,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:02","end":"11:50","startHours":11.031751219697055,"endHours":11.827509974083464,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:40","startHours":3.869922430219365,"endHours":4.665681184605775,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:28","startHours":4.466741496009172,"endHours":5.461439938992185,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:25","end":"14:13","startHours":13.419027482856283,"endHours":14.214786237242693,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.197821254788334,"endHours":17.597821254788332,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:54","startHours":17.397821254788333,"endHours":17.89517047627984,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.147821254788333,"endHours":18.897821254788333,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:02","end":"23:50","startHours":23.031751219697053,"endHours":23.827509974083465,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:28","end":"06:57","startHours":5.461439938992185,"endHours":6.953487603466703,"quality":"auspicious"},{"name":"Kāla","start":"06:57","end":"08:27","startHours":6.953487603466703,"endHours":8.44553526794122,"quality":"inauspicious"},{"name":"Śubha","start":"08:27","end":"09:56","startHours":8.44553526794122,"endHours":9.93758293241574,"quality":"auspicious"},{"name":"Roga","start":"09:56","end":"11:26","startHours":9.93758293241574,"endHours":11.42963059689026,"quality":"inauspicious"},{"name":"Udveg","start":"11:26","end":"12:55","startHours":11.42963059689026,"endHours":12.921678261364777,"quality":"inauspicious"},{"name":"Chala","start":"12:55","end":"14:25","startHours":12.921678261364777,"endHours":14.413725925839294,"quality":"neutral"},{"name":"Labha","start":"14:25","end":"15:54","startHours":14.413725925839294,"endHours":15.905773590313814,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:24","startHours":15.905773590313814,"endHours":17.397821254788333,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:24","end":"18:54","startHours":17.397821254788333,"endHours":18.905773590313814,"quality":"neutral"},{"name":"Labha","start":"18:54","end":"20:25","startHours":18.905773590313814,"endHours":20.413725925839294,"quality":"auspicious"},{"name":"Amṛta","start":"20:25","end":"21:55","startHours":20.413725925839294,"endHours":21.92167826136478,"quality":"auspicious"},{"name":"Kāla","start":"21:55","end":"23:26","startHours":21.92167826136478,"endHours":23.42963059689026,"quality":"inauspicious"},{"name":"Śubha","start":"23:26","end":"00:56","startHours":23.42963059689026,"endHours":24.93758293241574,"quality":"auspicious"},{"name":"Roga","start":"00:56","end":"02:27","startHours":24.93758293241574,"endHours":26.445535267941224,"quality":"inauspicious"},{"name":"Udveg","start":"02:27","end":"03:57","startHours":26.445535267941224,"endHours":27.953487603466705,"quality":"inauspicious"},{"name":"Chala","start":"03:57","end":"05:28","startHours":27.953487603466705,"endHours":29.461439938992186,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.461439938992185,"endHours":6.461439938992185,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.461439938992185,"endHours":7.461439938992185,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.461439938992185,"endHours":8.461439938992186,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.461439938992186,"endHours":9.461439938992186,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.461439938992186,"endHours":10.461439938992186,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.461439938992186,"endHours":11.461439938992186,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.461439938992186,"endHours":12.461439938992186,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.461439938992186,"endHours":13.461439938992186,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.461439938992186,"endHours":14.461439938992186,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.461439938992186,"endHours":15.461439938992186,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.461439938992186,"endHours":16.461439938992186,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.461439938992186,"endHours":17.461439938992186,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.461439938992186,"endHours":18.461439938992186,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.461439938992186,"endHours":19.461439938992186,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.461439938992186,"endHours":20.461439938992186,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.461439938992186,"endHours":21.461439938992186,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.461439938992186,"endHours":22.461439938992186,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.461439938992186,"endHours":23.461439938992186,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.461439938992186,"endHours":24.461439938992186,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.461439938992186,"endHours":25.461439938992186,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.461439938992186,"endHours":26.461439938992186,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.461439938992186,"endHours":27.461439938992186,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.461439938992186,"endHours":28.461439938992186,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.461439938992186,"endHours":29.461439938992186,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-3.3143188284727123,"eotMinutes":11.167764186584405,"ayanamsa":26.3919}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Aṣṭamī · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 October 1, 2181 CE · Howrah, West Bengal · Vidhyamitra","description":"October 1, 2181 CE for Howrah, West Bengal: Kṛṣṇa Aṣṭamī, sūryodaya 05:28, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2181-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2181-10-01","sa":"https://sa.vidhyamitra.com/city/howrah/2181-10-01","hi":"https://hi.vidhyamitra.com/city/howrah/2181-10-01","x-default":"https://vidhyamitra.com/city/howrah/2181-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T01:04:13.692Z","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":"2026-06-04T01:04:13.692Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T01:04:13.692Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}