{"id":"vidhyamitra:city-day:howrah:2005-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2005-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-01-31","date_display":"January 31, 2005 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":2005,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453401.770833,"kali_year":5106,"ahargana":1864936.2708,"sun":{"sidereal_longitude":287.3362,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":173.4311,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.0949,"elapsed_within_tithi_degrees":6.0949},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.4311,"elapsed_within_degrees":0.0978},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.7673},"karana":{"half_tithi_index":41,"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":2005,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453401.770833,"ahargana":1864936.2708,"kali_year":5106,"ayanamsa_lahiri":23.924,"grahas":{"sun":{"sidereal_longitude":287.33656799999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":170.135668,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":1.032},"mars":{"sidereal_longitude":241.28296799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":277.3740680000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":175.27286800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":272.74916800000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":88.44556799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":6.7017,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":186.7017,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"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":2005,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453401.770833,"kali_year":5106,"ahargana":1864936.2708,"sun":{"sidereal_longitude":287.3362,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":173.4311,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.0949,"elapsed_within_tithi_degrees":6.0949},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.4311,"elapsed_within_degrees":0.0978},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.7673},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.032,"elongation":113.905},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.032,"opposition_distance":66.095}},"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":"06:17","sunsetLocal":"17:24","solarNoonLocal":"11:50","dayLengthHours":11.128040869601477,"dayLengthDisplay":"11 Hours 07 Mins 41 Secs","nightLengthDisplay":"12 Hours 52 Mins 19 Secs","moonriseLocal":"22:08","moonsetLocal":"09:55","rahuKala":{"name":"Rāhu Kāla","start":"07:40","end":"09:04","startHours":7.66823781626348,"endHours":9.059242924963666,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:27","end":"11:50","startHours":10.45024803366385,"endHours":11.841253142364035,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:14","end":"14:37","startHours":13.23225825106422,"endHours":14.623263359764405,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:15","startHours":8.873775577136975,"endHours":9.244710272790357,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:02","startHours":6.740901077130024,"endHours":7.03764883365273,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:13","startHours":11.470318446710653,"endHours":12.212187838017417,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:32","startHours":4.7934939249497655,"endHours":5.5353633162565306,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:17","startHours":5.3498959684298395,"endHours":6.277232707563296,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:42","end":"14:26","startHours":13.695926620630948,"endHours":14.437796011937714,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.205273577164775,"endHours":17.605273577164773,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:52","startHours":17.405273577164774,"endHours":17.868941946731503,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.155273577164774,"endHours":18.905273577164774,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:13","startHours":23.470318446710653,"endHours":24.212187838017417,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:17","end":"07:40","startHours":6.277232707563296,"endHours":7.66823781626348,"quality":"auspicious"},{"name":"Kāla","start":"07:40","end":"09:04","startHours":7.66823781626348,"endHours":9.059242924963666,"quality":"inauspicious"},{"name":"Śubha","start":"09:04","end":"10:27","startHours":9.059242924963666,"endHours":10.45024803366385,"quality":"auspicious"},{"name":"Roga","start":"10:27","end":"11:50","startHours":10.45024803366385,"endHours":11.841253142364035,"quality":"inauspicious"},{"name":"Udveg","start":"11:50","end":"13:14","startHours":11.841253142364035,"endHours":13.23225825106422,"quality":"inauspicious"},{"name":"Chala","start":"13:14","end":"14:37","startHours":13.23225825106422,"endHours":14.623263359764405,"quality":"neutral"},{"name":"Labha","start":"14:37","end":"16:01","startHours":14.623263359764405,"endHours":16.01426846846459,"quality":"auspicious"},{"name":"Amṛta","start":"16:01","end":"17:24","startHours":16.01426846846459,"endHours":17.405273577164774,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:24","end":"19:01","startHours":17.405273577164774,"endHours":19.01426846846459,"quality":"neutral"},{"name":"Labha","start":"19:01","end":"20:37","startHours":19.01426846846459,"endHours":20.623263359764405,"quality":"auspicious"},{"name":"Amṛta","start":"20:37","end":"22:14","startHours":20.623263359764405,"endHours":22.23225825106422,"quality":"auspicious"},{"name":"Kāla","start":"22:14","end":"23:50","startHours":22.23225825106422,"endHours":23.841253142364035,"quality":"inauspicious"},{"name":"Śubha","start":"23:50","end":"01:27","startHours":23.841253142364035,"endHours":25.45024803366385,"quality":"auspicious"},{"name":"Roga","start":"01:27","end":"03:04","startHours":25.45024803366385,"endHours":27.059242924963666,"quality":"inauspicious"},{"name":"Udveg","start":"03:04","end":"04:40","startHours":27.059242924963666,"endHours":28.66823781626348,"quality":"inauspicious"},{"name":"Chala","start":"04:40","end":"06:17","startHours":28.66823781626348,"endHours":30.277232707563297,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.277232707563296,"endHours":7.277232707563296,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.277232707563296,"endHours":8.277232707563297,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.277232707563297,"endHours":9.277232707563297,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.277232707563297,"endHours":10.277232707563297,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.277232707563297,"endHours":11.277232707563297,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.277232707563297,"endHours":12.277232707563297,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.277232707563297,"endHours":13.277232707563297,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.277232707563297,"endHours":14.277232707563297,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.277232707563297,"endHours":15.277232707563297,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.277232707563297,"endHours":16.277232707563297,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.277232707563297,"endHours":17.277232707563297,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.277232707563297,"endHours":18.277232707563297,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.277232707563297,"endHours":19.277232707563297,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.277232707563297,"endHours":20.277232707563297,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.277232707563297,"endHours":21.277232707563297,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.277232707563297,"endHours":22.277232707563297,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.277232707563297,"endHours":23.277232707563297,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.277232707563297,"endHours":24.277232707563297,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.277232707563297,"endHours":25.277232707563297,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.277232707563297,"endHours":26.277232707563297,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.277232707563297,"endHours":27.277232707563297,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.277232707563297,"endHours":28.277232707563297,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.277232707563297,"endHours":29.277232707563297,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.277232707563297,"endHours":30.277232707563297,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","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":-17.39651330850413,"eotMinutes":-13.52958854184206,"ayanamsa":23.924}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"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 Ṣaṣṭhī · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"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":[]},"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 31, 2005 CE · Howrah, West Bengal · Vidhyamitra","description":"January 31, 2005 CE for Howrah, West Bengal: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:17, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2005-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2005-01-31","sa":"https://sa.vidhyamitra.com/city/howrah/2005-01-31","hi":"https://hi.vidhyamitra.com/city/howrah/2005-01-31","x-default":"https://vidhyamitra.com/city/howrah/2005-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:53:57.527Z","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":"2026-05-31T20:53:57.527Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:53:57.527Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}