{"id":"vidhyamitra:city-day:thane:2171-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2171-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2171-07-17","date_display":"July 17, 2171 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":2171,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514198.770833,"kali_year":5273,"ahargana":1925733.2708,"sun":{"sidereal_longitude":87.3961,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":265.2806,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.8846,"elapsed_within_tithi_degrees":9.8846},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.2806,"elapsed_within_degrees":11.9473},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.6767},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2171,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514198.770833,"ahargana":1925733.2708,"kali_year":5273,"ayanamsa_lahiri":26.2493,"grahas":{"sun":{"sidereal_longitude":88.23317600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":264.297276,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-3.892},"mars":{"sidereal_longitude":65.50987599999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":73.26647600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":163.08407599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":89.502276,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":320.3474759999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":25.384,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.384,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"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":2171,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514198.770833,"kali_year":5273,"ahargana":1925733.2708,"sun":{"sidereal_longitude":87.3961,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":265.2806,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.8846,"elapsed_within_tithi_degrees":9.8846},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.2806,"elapsed_within_degrees":11.9473},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.6767},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.892,"elongation":177.885},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.892,"opposition_distance":2.115}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:09","sunsetLocal":"19:19","solarNoonLocal":"12:44","dayLengthHours":13.16475795115409,"dayLengthDisplay":"13 Hours 09 Mins 53 Secs","nightLengthDisplay":"10 Hours 50 Mins 07 Secs","moonriseLocal":"18:58","moonsetLocal":"05:59","rahuKala":{"name":"Rāhu Kāla","start":"12:44","end":"14:23","startHours":12.731019714988312,"endHours":14.376614458882573,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:48","end":"09:26","startHours":7.794235483305528,"endHours":9.439830227199788,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:44","startHours":11.085424971094051,"endHours":12.731019714988312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:40","startHours":9.220417594680555,"endHours":9.659242859719024,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:03","startHours":6.697172320709354,"endHours":7.04823253274013,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:10","startHours":12.292194449949843,"endHours":13.169844980026781,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:16","startHours":4.393339679257388,"endHours":5.270990209334327,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:09","startHours":5.051577576815093,"endHours":6.148640739411267,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:48","startHours":14.92514604018066,"endHours":15.8027965702576,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.113398690565358,"endHours":19.513398690565356,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:52","startHours":19.313398690565357,"endHours":19.861930271863443,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.063398690565357,"endHours":20.813398690565357,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:10","startHours":24.292194449949843,"endHours":25.169844980026784,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:09","end":"07:48","startHours":6.148640739411267,"endHours":7.794235483305528,"quality":"auspicious"},{"name":"Amṛta","start":"07:48","end":"09:26","startHours":7.794235483305528,"endHours":9.439830227199788,"quality":"auspicious"},{"name":"Kāla","start":"09:26","end":"11:05","startHours":9.439830227199788,"endHours":11.085424971094051,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:44","startHours":11.085424971094051,"endHours":12.731019714988312,"quality":"auspicious"},{"name":"Roga","start":"12:44","end":"14:23","startHours":12.731019714988312,"endHours":14.376614458882573,"quality":"inauspicious"},{"name":"Udveg","start":"14:23","end":"16:01","startHours":14.376614458882573,"endHours":16.022209202776835,"quality":"inauspicious"},{"name":"Chala","start":"16:01","end":"17:40","startHours":16.022209202776835,"endHours":17.667803946671096,"quality":"neutral"},{"name":"Labha","start":"17:40","end":"19:19","startHours":17.667803946671096,"endHours":19.313398690565357,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:19","end":"20:40","startHours":19.313398690565357,"endHours":20.667803946671096,"quality":"inauspicious"},{"name":"Chala","start":"20:40","end":"22:01","startHours":20.667803946671096,"endHours":22.022209202776835,"quality":"neutral"},{"name":"Labha","start":"22:01","end":"23:23","startHours":22.022209202776835,"endHours":23.37661445888257,"quality":"auspicious"},{"name":"Amṛta","start":"23:23","end":"00:44","startHours":23.37661445888257,"endHours":24.731019714988314,"quality":"auspicious"},{"name":"Kāla","start":"00:44","end":"02:05","startHours":24.731019714988314,"endHours":26.08542497109405,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:26","startHours":26.08542497109405,"endHours":27.43983022719979,"quality":"auspicious"},{"name":"Roga","start":"03:26","end":"04:48","startHours":27.43983022719979,"endHours":28.794235483305528,"quality":"inauspicious"},{"name":"Udveg","start":"04:48","end":"06:09","startHours":28.794235483305528,"endHours":30.148640739411267,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.148640739411267,"endHours":7.148640739411267,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.148640739411267,"endHours":8.148640739411267,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.148640739411267,"endHours":9.148640739411267,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.148640739411267,"endHours":10.148640739411267,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.148640739411267,"endHours":11.148640739411267,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.148640739411267,"endHours":12.148640739411267,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.148640739411267,"endHours":13.148640739411267,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.148640739411267,"endHours":14.148640739411267,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.148640739411267,"endHours":15.148640739411267,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.148640739411267,"endHours":16.148640739411267,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.148640739411267,"endHours":17.148640739411267,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.148640739411267,"endHours":18.148640739411267,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.148640739411267,"endHours":19.148640739411267,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.148640739411267,"endHours":20.148640739411267,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.148640739411267,"endHours":21.148640739411267,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.148640739411267,"endHours":22.148640739411267,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.148640739411267,"endHours":23.148640739411267,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.148640739411267,"endHours":24.148640739411267,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.148640739411267,"endHours":25.148640739411267,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.148640739411267,"endHours":26.148640739411267,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.148640739411267,"endHours":27.148640739411267,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.148640739411267,"endHours":28.148640739411267,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.148640739411267,"endHours":29.148640739411267,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.148640739411267,"endHours":30.148640739411267,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","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":21.22132605314624,"eotMinutes":-5.773582899298716,"ayanamsa":26.2493}},"calendars":{"vikram_samvat":2228,"vikram_samvatsara":"Tāraṇa","saka_samvat":2093,"saka_samvatsara":"Prajāpati","bengali_samvat":1578,"malayalam_era":1347,"nanakshahi_year":702,"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 Pūrṇimā · Vikram 2228 Tāraṇa · Śaka 2093 Prajāpati"},"festivals":[{"id":"guru-purnima","name":"Guru Pūrṇimā / Vyāsa Pūrṇimā","name_sanskrit":"गुरु पूर्णिमा / व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Vyāsa-jī","significance":"Honor Vyāsa-jī and all gurus.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1},{"id":"vyasa-purnima","name":"Vyāsa Pūrṇimā (= Guru Pūrṇimā)","name_sanskrit":"व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Veda-Vyāsa","significance":"Birth of Veda-Vyāsa; Mahābhārata-Purāṇa-vibhāga-kartā. = Guru Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1,"related_chart":"vyasa"}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"thane"},"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, 2171 CE · Thane, Maharashtra · Vidhyamitra","description":"July 17, 2171 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:09, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2171-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2171-07-17","sa":"https://sa.vidhyamitra.com/city/thane/2171-07-17","hi":"https://hi.vidhyamitra.com/city/thane/2171-07-17","x-default":"https://vidhyamitra.com/city/thane/2171-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:32:13.589Z","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":"2026-06-02T18:32:13.589Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:32:13.589Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}