{"id":"vidhyamitra:city-day:howrah:2154-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2154-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-01-13","date_display":"January 13, 2154 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":2154,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507804.770833,"kali_year":5255,"ahargana":1919339.2708,"sun":{"sidereal_longitude":266.2618,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":254.5192,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":348.2574,"elapsed_within_tithi_degrees":0.2574},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.5192,"elapsed_within_degrees":1.1859},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.7811},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2154,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507804.770833,"ahargana":1919339.2708,"kali_year":5255,"ayanamsa_lahiri":26.0047,"grahas":{"sun":{"sidereal_longitude":266.771873,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":253.164173,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-4.2375},"mars":{"sidereal_longitude":277.91567299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":273.751073,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":352.811573,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":275.7944729999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":115.04897299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":4.1689,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.1689,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2154,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507804.770833,"kali_year":5255,"ahargana":1919339.2708,"sun":{"sidereal_longitude":266.2618,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":254.5192,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":348.2574,"elapsed_within_tithi_degrees":0.2574},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.5192,"elapsed_within_degrees":1.1859},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.7811},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.237,"elongation":11.743},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.237,"opposition_distance":168.257}},"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":"17:12","solarNoonLocal":"11:46","dayLengthHours":10.87198262869414,"dayLengthDisplay":"10 Hours 52 Mins 19 Secs","nightLengthDisplay":"13 Hours 07 Mins 41 Secs","moonriseLocal":"05:29","moonsetLocal":"16:13","rahuKala":{"name":"Rāhu Kāla","start":"15:50","end":"17:12","startHours":15.836685677283198,"endHours":17.195683505869965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:46","end":"13:07","startHours":11.759692191522895,"endHours":13.118690020109664,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:29","end":"15:50","startHours":14.47768784869643,"endHours":15.836685677283198,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:13","startHours":8.860496823871125,"endHours":9.222896244827597,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.776700153371415,"endHours":7.0666196901365925,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:07","startHours":11.397292770566423,"endHours":12.122091612479366,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:36","startHours":4.87410319334994,"endHours":5.598902035262883,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.417702324784647,"endHours":6.323700877175826,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:34","end":"14:18","startHours":13.571689296305252,"endHours":14.296488138218194,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.995683505869966,"endHours":17.395683505869965,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:39","startHours":17.195683505869965,"endHours":17.648682782065553,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.945683505869965,"endHours":18.695683505869965,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:07","startHours":23.397292770566423,"endHours":24.122091612479366,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:19","end":"07:41","startHours":6.323700877175826,"endHours":7.6826987057625935,"quality":"inauspicious"},{"name":"Chala","start":"07:41","end":"09:03","startHours":7.6826987057625935,"endHours":9.041696534349361,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:24","startHours":9.041696534349361,"endHours":10.400694362936129,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"11:46","startHours":10.400694362936129,"endHours":11.759692191522895,"quality":"auspicious"},{"name":"Kāla","start":"11:46","end":"13:07","startHours":11.759692191522895,"endHours":13.118690020109664,"quality":"inauspicious"},{"name":"Śubha","start":"13:07","end":"14:29","startHours":13.118690020109664,"endHours":14.47768784869643,"quality":"auspicious"},{"name":"Roga","start":"14:29","end":"15:50","startHours":14.47768784869643,"endHours":15.836685677283198,"quality":"inauspicious"},{"name":"Udveg","start":"15:50","end":"17:12","startHours":15.836685677283198,"endHours":17.195683505869965,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:12","end":"18:50","startHours":17.195683505869965,"endHours":18.8366856772832,"quality":"auspicious"},{"name":"Roga","start":"18:50","end":"20:29","startHours":18.8366856772832,"endHours":20.47768784869643,"quality":"inauspicious"},{"name":"Udveg","start":"20:29","end":"22:07","startHours":20.47768784869643,"endHours":22.118690020109664,"quality":"inauspicious"},{"name":"Chala","start":"22:07","end":"23:46","startHours":22.118690020109664,"endHours":23.759692191522895,"quality":"neutral"},{"name":"Labha","start":"23:46","end":"01:24","startHours":23.759692191522895,"endHours":25.40069436293613,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"03:03","startHours":25.40069436293613,"endHours":27.041696534349363,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:41","startHours":27.041696534349363,"endHours":28.682698705762594,"quality":"inauspicious"},{"name":"Śubha","start":"04:41","end":"06:19","startHours":28.682698705762594,"endHours":30.323700877175824,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.323700877175826,"endHours":7.323700877175826,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.323700877175826,"endHours":8.323700877175826,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.323700877175826,"endHours":9.323700877175826,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.323700877175826,"endHours":10.323700877175826,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.323700877175826,"endHours":11.323700877175826,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.323700877175826,"endHours":12.323700877175826,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.323700877175826,"endHours":13.323700877175826,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.323700877175826,"endHours":14.323700877175826,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.323700877175826,"endHours":15.323700877175826,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.323700877175826,"endHours":16.323700877175824,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.323700877175824,"endHours":17.323700877175824,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.323700877175824,"endHours":18.323700877175824,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.323700877175824,"endHours":19.323700877175824,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.323700877175824,"endHours":20.323700877175824,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.323700877175824,"endHours":21.323700877175824,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.323700877175824,"endHours":22.323700877175824,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.323700877175824,"endHours":23.323700877175824,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.323700877175824,"endHours":24.323700877175824,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.323700877175824,"endHours":25.323700877175824,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.323700877175824,"endHours":26.323700877175824,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.323700877175824,"endHours":27.323700877175824,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.323700877175824,"endHours":28.323700877175824,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.323700877175824,"endHours":29.323700877175824,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.323700877175824,"endHours":30.323700877175824,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","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":-21.513342823190257,"eotMinutes":-8.635931491373626,"ayanamsa":26.0047}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Amāvasyā · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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, 2154 CE · Howrah, West Bengal · Vidhyamitra","description":"January 13, 2154 CE for Howrah, West Bengal: Kṛṣṇa Amāvasyā, sūryodaya 06:19, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2154-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2154-01-13","sa":"https://sa.vidhyamitra.com/city/howrah/2154-01-13","hi":"https://hi.vidhyamitra.com/city/howrah/2154-01-13","x-default":"https://vidhyamitra.com/city/howrah/2154-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:16:00.066Z","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":"2026-06-01T15:16:00.066Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:16:00.066Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}