{"id":"vidhyamitra:city-day:howrah:2123-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2123-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2123-01-13","date_display":"January 13, 2123 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":2123,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496481.770833,"kali_year":5224,"ahargana":1908016.2708,"sun":{"sidereal_longitude":266.2839,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":100.3317,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.0478,"elapsed_within_tithi_degrees":2.0478},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.3317,"elapsed_within_degrees":6.9984},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.6156},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2123,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496481.770833,"ahargana":1908016.2708,"kali_year":5224,"ayanamsa_lahiri":25.5717,"grahas":{"sun":{"sidereal_longitude":266.721095,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":99.44649500000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-2.6569},"mars":{"sidereal_longitude":153.65049499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.700195,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":154.91249500000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":221.48069499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":92.54629499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":244.116,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":64.116,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":2123,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496481.770833,"kali_year":5224,"ahargana":1908016.2708,"sun":{"sidereal_longitude":266.2839,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":100.3317,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.0478,"elapsed_within_tithi_degrees":2.0478},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.3317,"elapsed_within_degrees":6.9984},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.6156},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.657,"elongation":165.952},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.657,"opposition_distance":14.048}},"eclipse_window_40days":[{"offset_days":-15,"type":"solar","occurs":true,"moon_latitude":0.58,"elongation":1.456}]},"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":"17:12","solarNoonLocal":"11:46","dayLengthHours":10.866912032746605,"dayLengthDisplay":"10 Hours 52 Mins 01 Secs","nightLengthDisplay":"13 Hours 07 Mins 59 Secs","moonriseLocal":"18:01","moonsetLocal":"07:12","rahuKala":{"name":"Rāhu Kāla","start":"11:46","end":"13:07","startHours":11.759692191522895,"endHours":13.11805619561622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:41","end":"09:03","startHours":7.684600179242918,"endHours":9.042964183336244,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:24","end":"11:46","startHours":10.40132818742957,"endHours":11.759692191522895,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:13","startHours":8.861848982790466,"endHours":9.224079383882021,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.779024176514034,"endHours":7.068808497387277,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:07","startHours":11.397461790431342,"endHours":12.121922592614448,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:36","startHours":4.877314570783378,"endHours":5.601775372966485,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:20","startHours":5.420660172420709,"endHours":6.326236175149592,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:34","end":"14:18","startHours":13.570844196980662,"endHours":14.295304999163768,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.993148207896198,"endHours":17.393148207896196,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:39","startHours":17.193148207896197,"endHours":17.64593620926064,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.943148207896197,"endHours":18.693148207896197,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:07","startHours":23.39746179043134,"endHours":24.12192259261445,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:41","startHours":6.326236175149592,"endHours":7.684600179242918,"quality":"auspicious"},{"name":"Amṛta","start":"07:41","end":"09:03","startHours":7.684600179242918,"endHours":9.042964183336244,"quality":"auspicious"},{"name":"Kāla","start":"09:03","end":"10:24","startHours":9.042964183336244,"endHours":10.40132818742957,"quality":"inauspicious"},{"name":"Śubha","start":"10:24","end":"11:46","startHours":10.40132818742957,"endHours":11.759692191522895,"quality":"auspicious"},{"name":"Roga","start":"11:46","end":"13:07","startHours":11.759692191522895,"endHours":13.11805619561622,"quality":"inauspicious"},{"name":"Udveg","start":"13:07","end":"14:29","startHours":13.11805619561622,"endHours":14.476420199709546,"quality":"inauspicious"},{"name":"Chala","start":"14:29","end":"15:50","startHours":14.476420199709546,"endHours":15.834784203802872,"quality":"neutral"},{"name":"Labha","start":"15:50","end":"17:12","startHours":15.834784203802872,"endHours":17.193148207896197,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:12","end":"18:50","startHours":17.193148207896197,"endHours":18.834784203802872,"quality":"inauspicious"},{"name":"Chala","start":"18:50","end":"20:29","startHours":18.834784203802872,"endHours":20.476420199709544,"quality":"neutral"},{"name":"Labha","start":"20:29","end":"22:07","startHours":20.476420199709544,"endHours":22.11805619561622,"quality":"auspicious"},{"name":"Amṛta","start":"22:07","end":"23:46","startHours":22.11805619561622,"endHours":23.759692191522895,"quality":"auspicious"},{"name":"Kāla","start":"23:46","end":"01:24","startHours":23.759692191522895,"endHours":25.40132818742957,"quality":"inauspicious"},{"name":"Śubha","start":"01:24","end":"03:03","startHours":25.40132818742957,"endHours":27.042964183336245,"quality":"auspicious"},{"name":"Roga","start":"03:03","end":"04:41","startHours":27.042964183336245,"endHours":28.684600179242917,"quality":"inauspicious"},{"name":"Udveg","start":"04:41","end":"06:20","startHours":28.684600179242917,"endHours":30.326236175149592,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.326236175149592,"endHours":7.326236175149592,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.326236175149592,"endHours":8.326236175149592,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.326236175149592,"endHours":9.326236175149592,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.326236175149592,"endHours":10.326236175149592,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.326236175149592,"endHours":11.326236175149592,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.326236175149592,"endHours":12.326236175149592,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.326236175149592,"endHours":13.326236175149592,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.326236175149592,"endHours":14.326236175149592,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.326236175149592,"endHours":15.326236175149592,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.326236175149592,"endHours":16.326236175149592,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.326236175149592,"endHours":17.326236175149592,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.326236175149592,"endHours":18.326236175149592,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.326236175149592,"endHours":19.326236175149592,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.326236175149592,"endHours":20.326236175149592,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.326236175149592,"endHours":21.326236175149592,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.326236175149592,"endHours":22.326236175149592,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.326236175149592,"endHours":23.326236175149592,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.326236175149592,"endHours":24.326236175149592,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.326236175149592,"endHours":25.326236175149592,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.326236175149592,"endHours":26.326236175149592,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.326236175149592,"endHours":27.326236175149592,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.326236175149592,"endHours":28.326236175149592,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.326236175149592,"endHours":29.326236175149592,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.326236175149592,"endHours":30.326236175149592,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","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":-21.59262767652531,"eotMinutes":-8.635931491373626,"ayanamsa":25.5717}},"calendars":{"vikram_samvat":2180,"vikram_samvatsara":"Durmukhi","saka_samvat":2045,"saka_samvatsara":"Subhānu","bengali_samvat":1530,"malayalam_era":1299,"nanakshahi_year":654,"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":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvitīyā · Vikram 2180 Durmukhi · Śaka 2045 Subhānu"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 13, 2123 CE · Howrah, West Bengal · Vidhyamitra","description":"January 13, 2123 CE for Howrah, West Bengal: Kṛṣṇa Dvitīyā, sūryodaya 06:20, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2123-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2123-01-13","sa":"https://sa.vidhyamitra.com/city/howrah/2123-01-13","hi":"https://hi.vidhyamitra.com/city/howrah/2123-01-13","x-default":"https://vidhyamitra.com/city/howrah/2123-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T19:27:41.073Z","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":"2026-06-02T19:27:41.073Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T19:27:41.073Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}