{"id":"vidhyamitra:city-day:howrah:2012-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2012-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-07-17","date_display":"July 17, 2012 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":2012,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456125.770833,"kali_year":5114,"ahargana":1867660.2708,"sun":{"sidereal_longitude":90.3727,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":64.9596,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.5869,"elapsed_within_tithi_degrees":10.5869},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.9596,"elapsed_within_degrees":11.6262},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.3322},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2012,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456125.770833,"ahargana":1867660.2708,"kali_year":5114,"ayanamsa_lahiri":24.0282,"grahas":{"sun":{"sidereal_longitude":90.84639099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":66.19969100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-1.727},"mars":{"sidereal_longitude":163.139091,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":108.24969099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":43.22769099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":49.38809100000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":178.86759099999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":222.371,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":42.371,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"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":2012,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456125.770833,"kali_year":5114,"ahargana":1867660.2708,"sun":{"sidereal_longitude":90.3727,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":64.9596,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.5869,"elapsed_within_tithi_degrees":10.5869},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.9596,"elapsed_within_degrees":11.6262},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.3322},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.727,"elongation":25.413},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.727,"opposition_distance":154.587}},"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":"18:24","solarNoonLocal":"11:43","dayLengthHours":13.3663463584451,"dayLengthDisplay":"13 Hours 21 Mins 59 Secs","nightLengthDisplay":"10 Hours 38 Mins 01 Secs","moonriseLocal":"03:20","moonsetLocal":"16:49","rahuKala":{"name":"Rāhu Kāla","start":"15:03","end":"16:43","startHours":15.053572971266252,"endHours":16.72436626607189,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:22","end":"10:02","startHours":8.370399792043703,"endHours":10.04119308684934,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:43","end":"13:23","startHours":11.711986381654977,"endHours":13.382779676460615,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:09","end":"08:36","startHours":8.147627352736285,"endHours":8.593172231351122,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:35","end":"05:57","startHours":5.585744300700974,"endHours":5.9421802035928435,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:09","startHours":11.266441503040141,"endHours":12.157531260269813,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:15","end":"04:08","startHours":3.246633687973082,"endHours":4.137723445202755,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:55","end":"05:02","startHours":3.914951005895337,"endHours":5.028813202432429,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.93971077472916,"endHours":14.830800531958834,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.195159560877528,"endHours":18.595159560877526,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:57","startHours":18.395159560877527,"endHours":18.952090659146073,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.145159560877527,"endHours":19.895159560877527,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:09","startHours":23.26644150304014,"endHours":24.157531260269813,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:02","end":"06:42","startHours":5.028813202432429,"endHours":6.699606497238066,"quality":"inauspicious"},{"name":"Udveg","start":"06:42","end":"08:22","startHours":6.699606497238066,"endHours":8.370399792043703,"quality":"inauspicious"},{"name":"Chala","start":"08:22","end":"10:02","startHours":8.370399792043703,"endHours":10.04119308684934,"quality":"neutral"},{"name":"Labha","start":"10:02","end":"11:43","startHours":10.04119308684934,"endHours":11.711986381654977,"quality":"auspicious"},{"name":"Amṛta","start":"11:43","end":"13:23","startHours":11.711986381654977,"endHours":13.382779676460615,"quality":"auspicious"},{"name":"Kāla","start":"13:23","end":"15:03","startHours":13.382779676460615,"endHours":15.053572971266252,"quality":"inauspicious"},{"name":"Śubha","start":"15:03","end":"16:43","startHours":15.053572971266252,"endHours":16.72436626607189,"quality":"auspicious"},{"name":"Roga","start":"16:43","end":"18:24","startHours":16.72436626607189,"endHours":18.395159560877527,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:24","end":"19:43","startHours":18.395159560877527,"endHours":19.72436626607189,"quality":"inauspicious"},{"name":"Śubha","start":"19:43","end":"21:03","startHours":19.72436626607189,"endHours":21.053572971266252,"quality":"auspicious"},{"name":"Roga","start":"21:03","end":"22:23","startHours":21.053572971266252,"endHours":22.382779676460615,"quality":"inauspicious"},{"name":"Udveg","start":"22:23","end":"23:43","startHours":22.382779676460615,"endHours":23.711986381654977,"quality":"inauspicious"},{"name":"Chala","start":"23:43","end":"01:02","startHours":23.711986381654977,"endHours":25.04119308684934,"quality":"neutral"},{"name":"Labha","start":"01:02","end":"02:22","startHours":25.04119308684934,"endHours":26.370399792043703,"quality":"auspicious"},{"name":"Amṛta","start":"02:22","end":"03:42","startHours":26.370399792043703,"endHours":27.699606497238065,"quality":"auspicious"},{"name":"Kāla","start":"03:42","end":"05:02","startHours":27.699606497238065,"endHours":29.028813202432428,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:02","end":"06:02","startHours":5.028813202432429,"endHours":6.028813202432429,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:02","end":"07:02","startHours":6.028813202432429,"endHours":7.028813202432429,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:02","end":"08:02","startHours":7.028813202432429,"endHours":8.028813202432428,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:02","end":"09:02","startHours":8.028813202432428,"endHours":9.028813202432428,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:02","end":"10:02","startHours":9.028813202432428,"endHours":10.028813202432428,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:02","end":"11:02","startHours":10.028813202432428,"endHours":11.028813202432428,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:02","end":"12:02","startHours":11.028813202432428,"endHours":12.028813202432428,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:02","end":"13:02","startHours":12.028813202432428,"endHours":13.028813202432428,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:02","end":"14:02","startHours":13.028813202432428,"endHours":14.028813202432428,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:02","end":"15:02","startHours":14.028813202432428,"endHours":15.028813202432428,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:02","end":"16:02","startHours":15.028813202432428,"endHours":16.028813202432428,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:02","end":"17:02","startHours":16.028813202432428,"endHours":17.028813202432428,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:02","end":"18:02","startHours":17.028813202432428,"endHours":18.028813202432428,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:02","end":"19:02","startHours":18.028813202432428,"endHours":19.028813202432428,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:02","end":"20:02","startHours":19.028813202432428,"endHours":20.028813202432428,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:02","end":"21:02","startHours":20.028813202432428,"endHours":21.028813202432428,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:02","end":"22:02","startHours":21.028813202432428,"endHours":22.028813202432428,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:02","end":"23:02","startHours":22.028813202432428,"endHours":23.028813202432428,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:02","end":"00:02","startHours":23.028813202432428,"endHours":24.028813202432428,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:02","end":"01:02","startHours":24.028813202432428,"endHours":25.028813202432428,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:02","end":"02:02","startHours":25.028813202432428,"endHours":26.028813202432428,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:02","end":"03:02","startHours":26.028813202432428,"endHours":27.028813202432428,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:02","end":"04:02","startHours":27.028813202432428,"endHours":28.028813202432428,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:02","end":"05:02","startHours":28.028813202432428,"endHours":29.028813202432428,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.151489761858503,"eotMinutes":-5.773582899298716,"ayanamsa":24.0282}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 17, 2012 CE · Howrah, West Bengal · Vidhyamitra","description":"July 17, 2012 CE for Howrah, West Bengal: Kṛṣṇa Trayodaśī, sūryodaya 05:02, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2012-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2012-07-17","sa":"https://sa.vidhyamitra.com/city/howrah/2012-07-17","hi":"https://hi.vidhyamitra.com/city/howrah/2012-07-17","x-default":"https://vidhyamitra.com/city/howrah/2012-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T01:46:16.614Z","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":"2026-05-16T01:46:16.614Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T01:46:16.614Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}