{"id":"vidhyamitra:city-day:howrah:2173-07-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2173-07-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-07-12","date_display":"July 12, 2173 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":2173,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514924.770833,"kali_year":5275,"ahargana":1926459.2708,"sun":{"sidereal_longitude":83.1187,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":106.9774,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":23.8587,"elapsed_within_tithi_degrees":11.8587},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.9774,"elapsed_within_degrees":0.3107},"yoga":{"number":15,"name":"Vajra","sum_longitude":190.0961},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2173,"month":7,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514924.770833,"ahargana":1926459.2708,"kali_year":5275,"ayanamsa_lahiri":26.277,"grahas":{"sun":{"sidereal_longitude":83.930137,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":105.03013700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":3.8937},"mars":{"sidereal_longitude":75.46043700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":69.753737,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":222.62223700000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":119.202537,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":345.721037,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":346.9171,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":166.9171,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2173,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514924.770833,"kali_year":5275,"ahargana":1926459.2708,"sun":{"sidereal_longitude":83.1187,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":106.9774,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":23.8587,"elapsed_within_tithi_degrees":11.8587},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.9774,"elapsed_within_degrees":0.3107},"yoga":{"number":15,"name":"Vajra","sum_longitude":190.0961},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.894,"elongation":23.859},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.894,"opposition_distance":156.141}},"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":"05:00","sunsetLocal":"18:25","solarNoonLocal":"11:42","dayLengthHours":13.416913810096053,"dayLengthDisplay":"13 Hours 25 Mins 01 Secs","nightLengthDisplay":"10 Hours 34 Mins 59 Secs","moonriseLocal":"06:34","moonsetLocal":"19:39","rahuKala":{"name":"Rāhu Kāla","start":"06:40","end":"08:21","startHours":6.671731819998231,"endHours":8.348846046260238,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:02","end":"11:42","startHours":10.025960272522244,"endHours":11.70307449878425,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:23","end":"15:03","startHours":13.380188725046258,"endHours":15.057302951308264,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:08","end":"08:34","startHours":8.125230816091971,"endHours":8.572461276428506,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:33","end":"05:55","startHours":5.5536556691568935,"endHours":5.911440037426122,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:15","end":"12:09","startHours":11.255844038447716,"endHours":12.150304959120785,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:06","startHours":3.205695752390084,"endHours":4.100156673063154,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:53","end":"05:00","startHours":3.8765414428948866,"endHours":4.9946175937362245,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.939226800466928,"endHours":14.833687721139999,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21153140383228,"endHours":18.611531403832277,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:58","startHours":18.411531403832278,"endHours":18.970569479252948,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.161531403832278,"endHours":19.911531403832278,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:15","end":"00:09","startHours":23.255844038447716,"endHours":24.150304959120785,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:00","end":"06:40","startHours":4.9946175937362245,"endHours":6.671731819998231,"quality":"auspicious"},{"name":"Kāla","start":"06:40","end":"08:21","startHours":6.671731819998231,"endHours":8.348846046260238,"quality":"inauspicious"},{"name":"Śubha","start":"08:21","end":"10:02","startHours":8.348846046260238,"endHours":10.025960272522244,"quality":"auspicious"},{"name":"Roga","start":"10:02","end":"11:42","startHours":10.025960272522244,"endHours":11.70307449878425,"quality":"inauspicious"},{"name":"Udveg","start":"11:42","end":"13:23","startHours":11.70307449878425,"endHours":13.380188725046258,"quality":"inauspicious"},{"name":"Chala","start":"13:23","end":"15:03","startHours":13.380188725046258,"endHours":15.057302951308264,"quality":"neutral"},{"name":"Labha","start":"15:03","end":"16:44","startHours":15.057302951308264,"endHours":16.734417177570272,"quality":"auspicious"},{"name":"Amṛta","start":"16:44","end":"18:25","startHours":16.734417177570272,"endHours":18.411531403832278,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:25","end":"19:44","startHours":18.411531403832278,"endHours":19.734417177570272,"quality":"neutral"},{"name":"Labha","start":"19:44","end":"21:03","startHours":19.734417177570272,"endHours":21.057302951308266,"quality":"auspicious"},{"name":"Amṛta","start":"21:03","end":"22:23","startHours":21.057302951308266,"endHours":22.38018872504626,"quality":"auspicious"},{"name":"Kāla","start":"22:23","end":"23:42","startHours":22.38018872504626,"endHours":23.70307449878425,"quality":"inauspicious"},{"name":"Śubha","start":"23:42","end":"01:02","startHours":23.70307449878425,"endHours":25.025960272522244,"quality":"auspicious"},{"name":"Roga","start":"01:02","end":"02:21","startHours":25.025960272522244,"endHours":26.34884604626024,"quality":"inauspicious"},{"name":"Udveg","start":"02:21","end":"03:40","startHours":26.34884604626024,"endHours":27.67173181999823,"quality":"inauspicious"},{"name":"Chala","start":"03:40","end":"05:00","startHours":27.67173181999823,"endHours":28.994617593736223,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:00","end":"06:00","startHours":4.9946175937362245,"endHours":5.9946175937362245,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:00","end":"07:00","startHours":5.9946175937362245,"endHours":6.9946175937362245,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:00","end":"08:00","startHours":6.9946175937362245,"endHours":7.9946175937362245,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:00","end":"09:00","startHours":7.9946175937362245,"endHours":8.994617593736224,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:00","end":"10:00","startHours":8.994617593736224,"endHours":9.994617593736224,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:00","end":"11:00","startHours":9.994617593736224,"endHours":10.994617593736224,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:00","end":"12:00","startHours":10.994617593736224,"endHours":11.994617593736224,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:00","end":"13:00","startHours":11.994617593736224,"endHours":12.994617593736224,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:00","end":"14:00","startHours":12.994617593736224,"endHours":13.994617593736224,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:00","end":"15:00","startHours":13.994617593736224,"endHours":14.994617593736224,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:00","end":"16:00","startHours":14.994617593736224,"endHours":15.994617593736224,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:00","end":"17:00","startHours":15.994617593736224,"endHours":16.994617593736223,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:00","end":"18:00","startHours":16.994617593736223,"endHours":17.994617593736223,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:00","end":"19:00","startHours":17.994617593736223,"endHours":18.994617593736223,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:00","end":"20:00","startHours":18.994617593736223,"endHours":19.994617593736223,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:00","end":"21:00","startHours":19.994617593736223,"endHours":20.994617593736223,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:00","end":"22:00","startHours":20.994617593736223,"endHours":21.994617593736223,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:00","end":"23:00","startHours":21.994617593736223,"endHours":22.994617593736223,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:00","end":"00:00","startHours":22.994617593736223,"endHours":23.994617593736223,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:00","end":"01:00","startHours":23.994617593736223,"endHours":24.994617593736223,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:00","end":"02:00","startHours":24.994617593736223,"endHours":25.994617593736223,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:00","end":"03:00","startHours":25.994617593736223,"endHours":26.994617593736223,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:00","end":"04:00","startHours":26.994617593736223,"endHours":27.994617593736223,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:00","end":"05:00","startHours":27.994617593736223,"endHours":28.994617593736223,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","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":21.91631873003998,"eotMinutes":-5.238869927055064,"ayanamsa":26.277}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","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":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvitīyā · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[{"id":"ratha-yatra","name":"Ratha-Yātrā (Jagannātha Puri)","name_sanskrit":"रथ यात्रा","tradition":"Vaishnava","associated_deity":"Jagannātha (Krishna) + Balarāma + Subhadrā","significance":"Jagannātha's annual ratha-yātrā at Puri.","vrata":false,"detection":{"tithi_number":2,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":2}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 12, 2173 CE · Howrah, West Bengal · Vidhyamitra","description":"July 12, 2173 CE for Howrah, West Bengal: Śukla Dvitīyā, sūryodaya 05:00, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2173-07-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2173-07-12","sa":"https://sa.vidhyamitra.com/city/howrah/2173-07-12","hi":"https://hi.vidhyamitra.com/city/howrah/2173-07-12","x-default":"https://vidhyamitra.com/city/howrah/2173-07-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:44:22.463Z","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":"2026-06-03T09:44:22.463Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:44:22.463Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}