{"id":"vidhyamitra:city-day:howrah:2148-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2148-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2148-01-13","date_display":"January 13, 2148 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":2148,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505612.770833,"kali_year":5249,"ahargana":1917147.2708,"sun":{"sidereal_longitude":265.802,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":166.8482,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.0462,"elapsed_within_tithi_degrees":9.0462},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":166.8482,"elapsed_within_degrees":6.8482},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.6502},"karana":{"half_tithi_index":43,"name":"Bava"},"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":2148,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505612.770833,"ahargana":1917147.2708,"kali_year":5249,"ayanamsa_lahiri":25.9209,"grahas":{"sun":{"sidereal_longitude":266.301824,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":164.250224,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":3.2646},"mars":{"sidereal_longitude":232.02772400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":253.69392399999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":190.267424,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":308.069624,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":25.614923999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":120.3116,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":300.3116,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2148,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505612.770833,"kali_year":5249,"ahargana":1917147.2708,"sun":{"sidereal_longitude":265.802,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":166.8482,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.0462,"elapsed_within_tithi_degrees":9.0462},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":166.8482,"elapsed_within_degrees":6.8482},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.6502},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.265,"elongation":98.954},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.265,"opposition_distance":81.046}},"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":"17:12","solarNoonLocal":"11:46","dayLengthHours":10.866185461044166,"dayLengthDisplay":"10 Hours 51 Mins 58 Secs","nightLengthDisplay":"13 Hours 08 Mins 02 Secs","moonriseLocal":"23:02","moonsetLocal":"10:53","rahuKala":{"name":"Rāhu Kāla","start":"09:03","end":"10:24","startHours":9.043145826261854,"endHours":10.401419008892375,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:07","end":"14:29","startHours":13.117965374153417,"endHours":14.476238556783937,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:20","end":"07:41","startHours":6.3265994610008125,"endHours":7.6848726436313335,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:13","startHours":8.86204273524445,"endHours":9.224248917279256,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.77935718854432,"endHours":7.069122134172164,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:07","startHours":11.39748600948809,"endHours":12.1218983735577,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:36","startHours":4.877774732861591,"endHours":5.6021870969312015,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:20","startHours":5.421084005913799,"endHours":6.3265994610008125,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:34","end":"14:18","startHours":13.570723101696924,"endHours":14.295135465766535,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.99278492204498,"endHours":17.392784922044978,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:39","startHours":17.19278492204498,"endHours":17.645542649588485,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.94278492204498,"endHours":18.69278492204498,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:07","startHours":23.397486009488087,"endHours":24.121898373557702,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:20","end":"07:41","startHours":6.3265994610008125,"endHours":7.6848726436313335,"quality":"inauspicious"},{"name":"Śubha","start":"07:41","end":"09:03","startHours":7.6848726436313335,"endHours":9.043145826261854,"quality":"auspicious"},{"name":"Roga","start":"09:03","end":"10:24","startHours":9.043145826261854,"endHours":10.401419008892375,"quality":"inauspicious"},{"name":"Udveg","start":"10:24","end":"11:46","startHours":10.401419008892375,"endHours":11.759692191522895,"quality":"inauspicious"},{"name":"Chala","start":"11:46","end":"13:07","startHours":11.759692191522895,"endHours":13.117965374153417,"quality":"neutral"},{"name":"Labha","start":"13:07","end":"14:29","startHours":13.117965374153417,"endHours":14.476238556783937,"quality":"auspicious"},{"name":"Amṛta","start":"14:29","end":"15:50","startHours":14.476238556783937,"endHours":15.834511739414458,"quality":"auspicious"},{"name":"Kāla","start":"15:50","end":"17:12","startHours":15.834511739414458,"endHours":17.19278492204498,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:12","end":"18:50","startHours":17.19278492204498,"endHours":18.83451173941446,"quality":"auspicious"},{"name":"Amṛta","start":"18:50","end":"20:29","startHours":18.83451173941446,"endHours":20.476238556783937,"quality":"auspicious"},{"name":"Kāla","start":"20:29","end":"22:07","startHours":20.476238556783937,"endHours":22.117965374153417,"quality":"inauspicious"},{"name":"Śubha","start":"22:07","end":"23:46","startHours":22.117965374153417,"endHours":23.759692191522895,"quality":"auspicious"},{"name":"Roga","start":"23:46","end":"01:24","startHours":23.759692191522895,"endHours":25.401419008892375,"quality":"inauspicious"},{"name":"Udveg","start":"01:24","end":"03:03","startHours":25.401419008892375,"endHours":27.043145826261856,"quality":"inauspicious"},{"name":"Chala","start":"03:03","end":"04:41","startHours":27.043145826261856,"endHours":28.684872643631333,"quality":"neutral"},{"name":"Labha","start":"04:41","end":"06:20","startHours":28.684872643631333,"endHours":30.32659946100081,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.3265994610008125,"endHours":7.3265994610008125,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.3265994610008125,"endHours":8.326599461000812,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.326599461000812,"endHours":9.326599461000812,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.326599461000812,"endHours":10.326599461000812,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.326599461000812,"endHours":11.326599461000812,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.326599461000812,"endHours":12.326599461000812,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.326599461000812,"endHours":13.326599461000812,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.326599461000812,"endHours":14.326599461000812,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.326599461000812,"endHours":15.326599461000812,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.326599461000812,"endHours":16.32659946100081,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.32659946100081,"endHours":17.32659946100081,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.32659946100081,"endHours":18.32659946100081,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.32659946100081,"endHours":19.32659946100081,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.32659946100081,"endHours":20.32659946100081,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.32659946100081,"endHours":21.32659946100081,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.32659946100081,"endHours":22.32659946100081,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.32659946100081,"endHours":23.32659946100081,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.32659946100081,"endHours":24.32659946100081,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.32659946100081,"endHours":25.32659946100081,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.32659946100081,"endHours":26.32659946100081,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.32659946100081,"endHours":27.32659946100081,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.32659946100081,"endHours":28.32659946100081,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.32659946100081,"endHours":29.32659946100081,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.32659946100081,"endHours":30.32659946100081,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"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":-21.603981072695575,"eotMinutes":-8.635931491373626,"ayanamsa":25.9209}},"calendars":{"vikram_samvat":2205,"vikram_samvatsara":"Durmati","saka_samvat":2070,"saka_samvatsara":"Kīlaka","bengali_samvat":1555,"malayalam_era":1324,"nanakshahi_year":679,"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 Saptamī · Vikram 2205 Durmati · Śaka 2070 Kīlaka"},"festivals":[],"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 13, 2148 CE · Howrah, West Bengal · Vidhyamitra","description":"January 13, 2148 CE for Howrah, West Bengal: Kṛṣṇa Saptamī, sūryodaya 06:20, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2148-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2148-01-13","sa":"https://sa.vidhyamitra.com/city/howrah/2148-01-13","hi":"https://hi.vidhyamitra.com/city/howrah/2148-01-13","x-default":"https://vidhyamitra.com/city/howrah/2148-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:38:07.189Z","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":"2026-06-01T12:38:07.189Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:38:07.189Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}