{"id":"vidhyamitra:city-day:howrah:2155-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2155-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-01-16","date_display":"January 16, 2155 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":2155,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508172.770833,"kali_year":5256,"ahargana":1919707.2708,"sun":{"sidereal_longitude":269.0781,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":58.712,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.634,"elapsed_within_tithi_degrees":5.634},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":58.712,"elapsed_within_degrees":5.3787},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.7901},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2155,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508172.770833,"ahargana":1919707.2708,"kali_year":5256,"ayanamsa_lahiri":26.0188,"grahas":{"sun":{"sidereal_longitude":269.56721300000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":60.29341299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":4.3262},"mars":{"sidereal_longitude":159.34741299999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":244.72931300000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":27.628112999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":225.97971299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":129.19291299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":344.6705,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":164.6705,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2155,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508172.770833,"kali_year":5256,"ahargana":1919707.2708,"sun":{"sidereal_longitude":269.0781,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":58.712,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.634,"elapsed_within_tithi_degrees":5.634},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":58.712,"elapsed_within_degrees":5.3787},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.7901},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.326,"elongation":149.634},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.326,"opposition_distance":30.366}},"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":"06:20","sunsetLocal":"17:14","solarNoonLocal":"11:47","dayLengthHours":10.903264308285074,"dayLengthDisplay":"10 Hours 54 Mins 12 Secs","nightLengthDisplay":"13 Hours 05 Mins 48 Secs","moonriseLocal":"15:05","moonsetLocal":"04:34","rahuKala":{"name":"Rāhu Kāla","start":"13:08","end":"14:30","startHours":13.140216397565265,"endHours":14.503124436100897,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:20","end":"07:41","startHours":6.325676204887093,"endHours":7.688584243422727,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:03","end":"10:25","startHours":9.05149228195836,"endHours":10.414400320493996,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:14","startHours":8.86977121015361,"endHours":9.233213353763112,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.779978884398971,"endHours":7.070732599286573,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:25","end":"12:08","startHours":11.413866215420127,"endHours":12.140750502639131,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:36","startHours":4.871907630449083,"endHours":5.598791917668088,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:20","startHours":5.4170708458633365,"endHours":6.325676204887093,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:36","end":"14:19","startHours":13.594519077077141,"endHours":14.321403364296145,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.028940513172167,"endHours":17.428940513172165,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:41","startHours":17.228940513172166,"endHours":17.683243192684046,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.978940513172166,"endHours":18.728940513172166,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:25","end":"00:08","startHours":23.413866215420125,"endHours":24.140750502639133,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:20","end":"07:41","startHours":6.325676204887093,"endHours":7.688584243422727,"quality":"auspicious"},{"name":"Roga","start":"07:41","end":"09:03","startHours":7.688584243422727,"endHours":9.05149228195836,"quality":"inauspicious"},{"name":"Udveg","start":"09:03","end":"10:25","startHours":9.05149228195836,"endHours":10.414400320493996,"quality":"inauspicious"},{"name":"Chala","start":"10:25","end":"11:47","startHours":10.414400320493996,"endHours":11.777308359029629,"quality":"neutral"},{"name":"Labha","start":"11:47","end":"13:08","startHours":11.777308359029629,"endHours":13.140216397565265,"quality":"auspicious"},{"name":"Amṛta","start":"13:08","end":"14:30","startHours":13.140216397565265,"endHours":14.503124436100897,"quality":"auspicious"},{"name":"Kāla","start":"14:30","end":"15:52","startHours":14.503124436100897,"endHours":15.866032474636533,"quality":"inauspicious"},{"name":"Śubha","start":"15:52","end":"17:14","startHours":15.866032474636533,"endHours":17.228940513172166,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:14","end":"18:52","startHours":17.228940513172166,"endHours":18.866032474636533,"quality":"auspicious"},{"name":"Kāla","start":"18:52","end":"20:30","startHours":18.866032474636533,"endHours":20.503124436100897,"quality":"inauspicious"},{"name":"Śubha","start":"20:30","end":"22:08","startHours":20.503124436100897,"endHours":22.14021639756526,"quality":"auspicious"},{"name":"Roga","start":"22:08","end":"23:47","startHours":22.14021639756526,"endHours":23.77730835902963,"quality":"inauspicious"},{"name":"Udveg","start":"23:47","end":"01:25","startHours":23.77730835902963,"endHours":25.414400320493996,"quality":"inauspicious"},{"name":"Chala","start":"01:25","end":"03:03","startHours":25.414400320493996,"endHours":27.05149228195836,"quality":"neutral"},{"name":"Labha","start":"03:03","end":"04:41","startHours":27.05149228195836,"endHours":28.688584243422724,"quality":"auspicious"},{"name":"Amṛta","start":"04:41","end":"06:20","startHours":28.688584243422724,"endHours":30.325676204887092,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.325676204887093,"endHours":7.325676204887093,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.325676204887093,"endHours":8.325676204887092,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.325676204887092,"endHours":9.325676204887092,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.325676204887092,"endHours":10.325676204887092,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.325676204887092,"endHours":11.325676204887092,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.325676204887092,"endHours":12.325676204887092,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.325676204887092,"endHours":13.325676204887092,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.325676204887092,"endHours":14.325676204887092,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.325676204887092,"endHours":15.325676204887092,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.325676204887092,"endHours":16.325676204887092,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.325676204887092,"endHours":17.325676204887092,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.325676204887092,"endHours":18.325676204887092,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.325676204887092,"endHours":19.325676204887092,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.325676204887092,"endHours":20.325676204887092,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.325676204887092,"endHours":21.325676204887092,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.325676204887092,"endHours":22.325676204887092,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.325676204887092,"endHours":23.325676204887092,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.325676204887092,"endHours":24.325676204887092,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.325676204887092,"endHours":25.325676204887092,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.325676204887092,"endHours":26.325676204887092,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.325676204887092,"endHours":27.325676204887092,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.325676204887092,"endHours":28.325676204887092,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.325676204887092,"endHours":29.325676204887092,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.325676204887092,"endHours":30.325676204887092,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","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":-21.022222219576353,"eotMinutes":-9.692901541777706,"ayanamsa":26.0188}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"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 Trayodaśī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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, 2155 CE · Howrah, West Bengal · Vidhyamitra","description":"January 16, 2155 CE for Howrah, West Bengal: Śukla Trayodaśī, sūryodaya 06:20, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2155-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2155-01-16","sa":"https://sa.vidhyamitra.com/city/howrah/2155-01-16","hi":"https://hi.vidhyamitra.com/city/howrah/2155-01-16","x-default":"https://vidhyamitra.com/city/howrah/2155-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:48:53.326Z","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":"2026-06-01T20:48:53.326Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:48:53.326Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}