{"id":"vidhyamitra:city-day:howrah:2172-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2172-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-07-18","date_display":"July 18, 2172 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":2172,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514565.770833,"kali_year":5274,"ahargana":1926100.2708,"sun":{"sidereal_longitude":89.0454,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":54.4658,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.4204,"elapsed_within_tithi_degrees":1.4204},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.4658,"elapsed_within_degrees":1.1324},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.5111},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2172,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514565.770833,"ahargana":1926100.2708,"kali_year":5274,"ayanamsa_lahiri":26.2633,"grahas":{"sun":{"sidereal_longitude":89.896454,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":56.347054000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":3.3702},"mars":{"sidereal_longitude":180.91915399999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":68.16195399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":191.02835400000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":42.670154000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":333.04465400000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":5.9386,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":185.9386,"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":2172,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514565.770833,"kali_year":5274,"ahargana":1926100.2708,"sun":{"sidereal_longitude":89.0454,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":54.4658,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.4204,"elapsed_within_tithi_degrees":1.4204},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.4658,"elapsed_within_degrees":1.1324},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.5111},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.37,"elongation":34.58},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.37,"opposition_distance":145.42}},"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":"05:02","sunsetLocal":"18:23","solarNoonLocal":"11:43","dayLengthHours":13.350872010672184,"dayLengthDisplay":"13 Hours 21 Mins 03 Secs","nightLengthDisplay":"10 Hours 38 Mins 57 Secs","moonriseLocal":"02:45","moonsetLocal":"16:13","rahuKala":{"name":"Rāhu Kāla","start":"08:23","end":"10:03","startHours":8.375640599340436,"endHours":10.04449960067446,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:23","end":"15:03","startHours":13.382217603342507,"endHours":15.051076604676528,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:02","end":"06:42","startHours":5.037922596672391,"endHours":6.706781598006414,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:09","end":"08:36","startHours":8.153126065829234,"endHours":8.59815513285164,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:36","end":"05:57","startHours":5.594208930450399,"endHours":5.950232184068324,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:10","startHours":11.268329534986078,"endHours":12.158387669030889,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:15","end":"04:09","startHours":3.257806328582766,"endHours":4.147864462627578,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:56","end":"05:02","startHours":3.9253499291163756,"endHours":5.037922596672391,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.938503937120512,"endHours":14.828562071165324,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.188794607344576,"endHours":18.588794607344575,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:57","startHours":18.388794607344575,"endHours":18.945080941122583,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.138794607344575,"endHours":19.888794607344575,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:10","startHours":23.268329534986076,"endHours":24.15838766903089,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:02","end":"06:42","startHours":5.037922596672391,"endHours":6.706781598006414,"quality":"inauspicious"},{"name":"Śubha","start":"06:42","end":"08:23","startHours":6.706781598006414,"endHours":8.375640599340436,"quality":"auspicious"},{"name":"Roga","start":"08:23","end":"10:03","startHours":8.375640599340436,"endHours":10.04449960067446,"quality":"inauspicious"},{"name":"Udveg","start":"10:03","end":"11:43","startHours":10.04449960067446,"endHours":11.713358602008483,"quality":"inauspicious"},{"name":"Chala","start":"11:43","end":"13:23","startHours":11.713358602008483,"endHours":13.382217603342507,"quality":"neutral"},{"name":"Labha","start":"13:23","end":"15:03","startHours":13.382217603342507,"endHours":15.051076604676528,"quality":"auspicious"},{"name":"Amṛta","start":"15:03","end":"16:43","startHours":15.051076604676528,"endHours":16.71993560601055,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:23","startHours":16.71993560601055,"endHours":18.388794607344575,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:23","end":"19:43","startHours":18.388794607344575,"endHours":19.71993560601055,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:03","startHours":19.71993560601055,"endHours":21.05107660467653,"quality":"auspicious"},{"name":"Kāla","start":"21:03","end":"22:23","startHours":21.05107660467653,"endHours":22.382217603342507,"quality":"inauspicious"},{"name":"Śubha","start":"22:23","end":"23:43","startHours":22.382217603342507,"endHours":23.713358602008483,"quality":"auspicious"},{"name":"Roga","start":"23:43","end":"01:03","startHours":23.713358602008483,"endHours":25.04449960067446,"quality":"inauspicious"},{"name":"Udveg","start":"01:03","end":"02:23","startHours":25.04449960067446,"endHours":26.375640599340436,"quality":"inauspicious"},{"name":"Chala","start":"02:23","end":"03:42","startHours":26.375640599340436,"endHours":27.706781598006415,"quality":"neutral"},{"name":"Labha","start":"03:42","end":"05:02","startHours":27.706781598006415,"endHours":29.03792259667239,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:02","end":"06:02","startHours":5.037922596672391,"endHours":6.037922596672391,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:02","end":"07:02","startHours":6.037922596672391,"endHours":7.037922596672391,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:02","end":"08:02","startHours":7.037922596672391,"endHours":8.037922596672392,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:02","end":"09:02","startHours":8.037922596672392,"endHours":9.037922596672392,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:02","end":"10:02","startHours":9.037922596672392,"endHours":10.037922596672392,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:02","end":"11:02","startHours":10.037922596672392,"endHours":11.037922596672392,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:02","end":"12:02","startHours":11.037922596672392,"endHours":12.037922596672392,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:02","end":"13:02","startHours":12.037922596672392,"endHours":13.037922596672392,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:02","end":"14:02","startHours":13.037922596672392,"endHours":14.037922596672392,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:02","end":"15:02","startHours":14.037922596672392,"endHours":15.037922596672392,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:02","end":"16:02","startHours":15.037922596672392,"endHours":16.03792259667239,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:02","end":"17:02","startHours":16.03792259667239,"endHours":17.03792259667239,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:02","end":"18:02","startHours":17.03792259667239,"endHours":18.03792259667239,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:02","end":"19:02","startHours":18.03792259667239,"endHours":19.03792259667239,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:02","end":"20:02","startHours":19.03792259667239,"endHours":20.03792259667239,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:02","end":"21:02","startHours":20.03792259667239,"endHours":21.03792259667239,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:02","end":"22:02","startHours":21.03792259667239,"endHours":22.03792259667239,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:02","end":"23:02","startHours":22.03792259667239,"endHours":23.03792259667239,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:02","end":"00:02","startHours":23.03792259667239,"endHours":24.03792259667239,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:02","end":"01:02","startHours":24.03792259667239,"endHours":25.03792259667239,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:02","end":"02:02","startHours":25.03792259667239,"endHours":26.03792259667239,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:02","end":"03:02","startHours":26.03792259667239,"endHours":27.03792259667239,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:02","end":"04:02","startHours":27.03792259667239,"endHours":28.03792259667239,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:02","end":"05:02","startHours":28.03792259667239,"endHours":29.03792259667239,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.91558129943686,"eotMinutes":-5.85591612050904,"ayanamsa":26.2633}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"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":"Mithuna (Āni)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"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":"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 July 18, 2172 CE · Howrah, West Bengal · Vidhyamitra","description":"July 18, 2172 CE for Howrah, West Bengal: Kṛṣṇa Trayodaśī, sūryodaya 05:02, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2172-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2172-07-18","sa":"https://sa.vidhyamitra.com/city/howrah/2172-07-18","hi":"https://hi.vidhyamitra.com/city/howrah/2172-07-18","x-default":"https://vidhyamitra.com/city/howrah/2172-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:51:23.017Z","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":"2026-06-03T06:51:23.017Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:51:23.017Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}