{"id":"vidhyamitra:city-day:howrah:2104-07-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2104-07-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2104-07-20","date_display":"July 20, 2104 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":2104,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489730.770833,"kali_year":5206,"ahargana":1901265.2708,"sun":{"sidereal_longitude":91.5044,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":65.9792,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.4748,"elapsed_within_tithi_degrees":10.4748},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.9792,"elapsed_within_degrees":12.6459},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.4837},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2104,"month":7,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489730.770833,"ahargana":1901265.2708,"kali_year":5206,"ayanamsa_lahiri":25.3135,"grahas":{"sun":{"sidereal_longitude":92.20833300000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":65.484733,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-0.3263},"mars":{"sidereal_longitude":143.275533,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":107.82523300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":304.610133,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":108.97513300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":220.841133,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":241.8164,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.8164,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2104,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489730.770833,"kali_year":5206,"ahargana":1901265.2708,"sun":{"sidereal_longitude":91.5044,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":65.9792,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.4748,"elapsed_within_tithi_degrees":10.4748},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.9792,"elapsed_within_degrees":12.6459},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.4837},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.326,"elongation":25.525},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.326,"opposition_distance":154.475}},"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":"05:03","sunsetLocal":"18:23","solarNoonLocal":"11:43","dayLengthHours":13.333776726495195,"dayLengthDisplay":"13 Hours 20 Mins 02 Secs","nightLengthDisplay":"10 Hours 39 Mins 58 Secs","moonriseLocal":"03:12","moonsetLocal":"16:40","rahuKala":{"name":"Rāhu Kāla","start":"16:43","end":"18:23","startHours":16.715829959354988,"endHours":18.382552050166886,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:43","end":"13:23","startHours":11.715663686919289,"endHours":13.382385777731187,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:03","end":"16:43","startHours":15.04910786854309,"endHours":16.715829959354988,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:10","end":"08:36","startHours":8.159989893187237,"endHours":8.604449117403744,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:36","end":"05:58","startHours":5.604349353942325,"endHours":5.959916733315531,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:10","startHours":11.271204462702782,"endHours":12.160122911135796,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:16","end":"04:10","startHours":3.270938426805666,"endHours":4.159856875238679,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:56","end":"05:03","startHours":3.937627263130426,"endHours":5.048775323671692,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.937959808001821,"endHours":14.826878256434835,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.182552050166887,"endHours":18.582552050166885,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:56","startHours":18.382552050166886,"endHours":18.93812608043752,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.132552050166886,"endHours":19.882552050166886,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:10","startHours":23.271204462702784,"endHours":24.160122911135794,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:03","end":"06:43","startHours":5.048775323671692,"endHours":6.7154974144835915,"quality":"inauspicious"},{"name":"Chala","start":"06:43","end":"08:23","startHours":6.7154974144835915,"endHours":8.382219505295492,"quality":"neutral"},{"name":"Labha","start":"08:23","end":"10:03","startHours":8.382219505295492,"endHours":10.04894159610739,"quality":"auspicious"},{"name":"Amṛta","start":"10:03","end":"11:43","startHours":10.04894159610739,"endHours":11.715663686919289,"quality":"auspicious"},{"name":"Kāla","start":"11:43","end":"13:23","startHours":11.715663686919289,"endHours":13.382385777731187,"quality":"inauspicious"},{"name":"Śubha","start":"13:23","end":"15:03","startHours":13.382385777731187,"endHours":15.04910786854309,"quality":"auspicious"},{"name":"Roga","start":"15:03","end":"16:43","startHours":15.04910786854309,"endHours":16.715829959354988,"quality":"inauspicious"},{"name":"Udveg","start":"16:43","end":"18:23","startHours":16.715829959354988,"endHours":18.382552050166886,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:23","end":"19:43","startHours":18.382552050166886,"endHours":19.715829959354988,"quality":"auspicious"},{"name":"Roga","start":"19:43","end":"21:03","startHours":19.715829959354988,"endHours":21.04910786854309,"quality":"inauspicious"},{"name":"Udveg","start":"21:03","end":"22:23","startHours":21.04910786854309,"endHours":22.382385777731187,"quality":"inauspicious"},{"name":"Chala","start":"22:23","end":"23:43","startHours":22.382385777731187,"endHours":23.71566368691929,"quality":"neutral"},{"name":"Labha","start":"23:43","end":"01:03","startHours":23.71566368691929,"endHours":25.04894159610739,"quality":"auspicious"},{"name":"Amṛta","start":"01:03","end":"02:23","startHours":25.04894159610739,"endHours":26.382219505295488,"quality":"auspicious"},{"name":"Kāla","start":"02:23","end":"03:43","startHours":26.382219505295488,"endHours":27.71549741448359,"quality":"inauspicious"},{"name":"Śubha","start":"03:43","end":"05:03","startHours":27.71549741448359,"endHours":29.04877532367169,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:03","end":"06:03","startHours":5.048775323671692,"endHours":6.048775323671692,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:03","end":"07:03","startHours":6.048775323671692,"endHours":7.048775323671692,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:03","end":"08:03","startHours":7.048775323671692,"endHours":8.048775323671691,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:03","end":"09:03","startHours":8.048775323671691,"endHours":9.048775323671691,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:03","end":"10:03","startHours":9.048775323671691,"endHours":10.048775323671691,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:03","end":"11:03","startHours":10.048775323671691,"endHours":11.048775323671691,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:03","end":"12:03","startHours":11.048775323671691,"endHours":12.048775323671691,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:03","end":"13:03","startHours":12.048775323671691,"endHours":13.048775323671691,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:03","end":"14:03","startHours":13.048775323671691,"endHours":14.048775323671691,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:03","end":"15:03","startHours":14.048775323671691,"endHours":15.048775323671691,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:03","end":"16:03","startHours":15.048775323671691,"endHours":16.04877532367169,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:03","end":"17:03","startHours":16.04877532367169,"endHours":17.04877532367169,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:03","end":"18:03","startHours":17.04877532367169,"endHours":18.04877532367169,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:03","end":"19:03","startHours":18.04877532367169,"endHours":19.04877532367169,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:03","end":"20:03","startHours":19.04877532367169,"endHours":20.04877532367169,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:03","end":"21:03","startHours":20.04877532367169,"endHours":21.04877532367169,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:03","end":"22:03","startHours":21.04877532367169,"endHours":22.04877532367169,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:03","end":"23:03","startHours":22.04877532367169,"endHours":23.04877532367169,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:03","end":"00:03","startHours":23.04877532367169,"endHours":24.04877532367169,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:03","end":"01:03","startHours":24.04877532367169,"endHours":25.04877532367169,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:03","end":"02:03","startHours":25.04877532367169,"endHours":26.04877532367169,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:03","end":"03:03","startHours":26.04877532367169,"endHours":27.04877532367169,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:03","end":"04:03","startHours":27.04877532367169,"endHours":28.04877532367169,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:03","end":"05:03","startHours":28.04877532367169,"endHours":29.04877532367169,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.653956320004415,"eotMinutes":-5.99422121515736,"ayanamsa":25.3135}},"calendars":{"vikram_samvat":2161,"vikram_samvatsara":"Īśvara","saka_samvat":2026,"saka_samvatsara":"Raktākṣī","bengali_samvat":1511,"malayalam_era":1280,"nanakshahi_year":635,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2161 Īśvara · Śaka 2026 Raktākṣī"},"festivals":[{"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":"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":[]},"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 July 20, 2104 CE · Howrah, West Bengal · Vidhyamitra","description":"July 20, 2104 CE for Howrah, West Bengal: Kṛṣṇa Trayodaśī, sūryodaya 05:03, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2104-07-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2104-07-20","sa":"https://sa.vidhyamitra.com/city/howrah/2104-07-20","hi":"https://hi.vidhyamitra.com/city/howrah/2104-07-20","x-default":"https://vidhyamitra.com/city/howrah/2104-07-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:05:41.663Z","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":"2026-06-01T15:05:41.663Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:05:41.663Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}