{"id":"vidhyamitra:city-day:howrah:2173-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2173-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-01-16","date_display":"January 16, 2173 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":2173,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514747.770833,"kali_year":5274,"ahargana":1926282.2708,"sun":{"sidereal_longitude":269.4297,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":296.3527,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.923,"elapsed_within_tithi_degrees":2.923},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.3527,"elapsed_within_degrees":3.0194},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.7824},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2173,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514747.770833,"ahargana":1926282.2708,"kali_year":5274,"ayanamsa_lahiri":26.2703,"grahas":{"sun":{"sidereal_longitude":269.9580000000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":298.571,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":-3.8939},"mars":{"sidereal_longitude":306.72530000000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":286.13660000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":223.03430000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":262.12890000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":328.55269999999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":356.2954,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":176.2954,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2173,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514747.770833,"kali_year":5274,"ahargana":1926282.2708,"sun":{"sidereal_longitude":269.4297,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":296.3527,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.923,"elapsed_within_tithi_degrees":2.923},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.3527,"elapsed_within_degrees":3.0194},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.7824},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.894,"elongation":26.923},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.894,"opposition_distance":153.077}},"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":"06:19","sunsetLocal":"17:14","solarNoonLocal":"11:47","dayLengthHours":10.910844602766922,"dayLengthDisplay":"10 Hours 54 Mins 39 Secs","nightLengthDisplay":"13 Hours 05 Mins 21 Secs","moonriseLocal":"08:01","moonsetLocal":"19:21","rahuKala":{"name":"Rāhu Kāla","start":"09:03","end":"10:25","startHours":9.049597208337897,"endHours":10.413452783683763,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:08","end":"14:30","startHours":13.141163934375493,"endHours":14.505019509721357,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:19","end":"07:41","startHours":6.321886057646167,"endHours":7.685741632992032,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:14","startHours":8.867749798291783,"endHours":9.231444618384012,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.776504582761455,"endHours":7.06746043883524,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:25","end":"12:08","startHours":11.413613538937398,"endHours":12.14100317912186,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:36","startHours":4.867106777277244,"endHours":5.594496417461706,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.41264900741559,"endHours":6.321886057646167,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:36","end":"14:19","startHours":13.595782459490781,"endHours":14.323172099675242,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.03273066041309,"endHours":17.43273066041309,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:41","startHours":17.23273066041309,"endHours":17.68734918552838,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.98273066041309,"endHours":18.73273066041309,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:25","end":"00:08","startHours":23.413613538937398,"endHours":24.14100317912186,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:19","end":"07:41","startHours":6.321886057646167,"endHours":7.685741632992032,"quality":"inauspicious"},{"name":"Śubha","start":"07:41","end":"09:03","startHours":7.685741632992032,"endHours":9.049597208337897,"quality":"auspicious"},{"name":"Roga","start":"09:03","end":"10:25","startHours":9.049597208337897,"endHours":10.413452783683763,"quality":"inauspicious"},{"name":"Udveg","start":"10:25","end":"11:47","startHours":10.413452783683763,"endHours":11.777308359029629,"quality":"inauspicious"},{"name":"Chala","start":"11:47","end":"13:08","startHours":11.777308359029629,"endHours":13.141163934375493,"quality":"neutral"},{"name":"Labha","start":"13:08","end":"14:30","startHours":13.141163934375493,"endHours":14.505019509721357,"quality":"auspicious"},{"name":"Amṛta","start":"14:30","end":"15:52","startHours":14.505019509721357,"endHours":15.868875085067224,"quality":"auspicious"},{"name":"Kāla","start":"15:52","end":"17:14","startHours":15.868875085067224,"endHours":17.23273066041309,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:14","end":"18:52","startHours":17.23273066041309,"endHours":18.868875085067224,"quality":"auspicious"},{"name":"Amṛta","start":"18:52","end":"20:30","startHours":18.868875085067224,"endHours":20.505019509721357,"quality":"auspicious"},{"name":"Kāla","start":"20:30","end":"22:08","startHours":20.505019509721357,"endHours":22.141163934375495,"quality":"inauspicious"},{"name":"Śubha","start":"22:08","end":"23:47","startHours":22.141163934375495,"endHours":23.77730835902963,"quality":"auspicious"},{"name":"Roga","start":"23:47","end":"01:25","startHours":23.77730835902963,"endHours":25.413452783683763,"quality":"inauspicious"},{"name":"Udveg","start":"01:25","end":"03:03","startHours":25.413452783683763,"endHours":27.0495972083379,"quality":"inauspicious"},{"name":"Chala","start":"03:03","end":"04:41","startHours":27.0495972083379,"endHours":28.685741632992034,"quality":"neutral"},{"name":"Labha","start":"04:41","end":"06:19","startHours":28.685741632992034,"endHours":30.321886057646168,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.321886057646167,"endHours":7.321886057646167,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.321886057646167,"endHours":8.321886057646168,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.321886057646168,"endHours":9.321886057646168,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.321886057646168,"endHours":10.321886057646168,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.321886057646168,"endHours":11.321886057646168,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.321886057646168,"endHours":12.321886057646168,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.321886057646168,"endHours":13.321886057646168,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.321886057646168,"endHours":14.321886057646168,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.321886057646168,"endHours":15.321886057646168,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.321886057646168,"endHours":16.321886057646168,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.321886057646168,"endHours":17.321886057646168,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.321886057646168,"endHours":18.321886057646168,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.321886057646168,"endHours":19.321886057646168,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.321886057646168,"endHours":20.321886057646168,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.321886057646168,"endHours":21.321886057646168,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.321886057646168,"endHours":22.321886057646168,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.321886057646168,"endHours":23.321886057646168,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.321886057646168,"endHours":24.321886057646168,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.321886057646168,"endHours":25.321886057646168,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.321886057646168,"endHours":26.321886057646168,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.321886057646168,"endHours":27.321886057646168,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.321886057646168,"endHours":28.321886057646168,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.321886057646168,"endHours":29.321886057646168,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.321886057646168,"endHours":30.321886057646168,"planetary_lord":"Mercury"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.90269874189066,"eotMinutes":-9.692901541777706,"ayanamsa":26.2703}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Tṛtīyā · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi_ingress":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_ingress":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 16, 2173 CE · Howrah, West Bengal · Vidhyamitra","description":"January 16, 2173 CE for Howrah, West Bengal: Śukla Tṛtīyā, sūryodaya 06:19, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2173-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2173-01-16","sa":"https://sa.vidhyamitra.com/city/howrah/2173-01-16","hi":"https://hi.vidhyamitra.com/city/howrah/2173-01-16","x-default":"https://vidhyamitra.com/city/howrah/2173-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T08:27:24.540Z","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":"2026-06-03T08:27:24.540Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T08:27:24.540Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}