{"id":"vidhyamitra:city-day:thane:2091-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2091-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-09-18","date_display":"September 18, 2091 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":2091,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485042.770833,"kali_year":5193,"ahargana":1896577.2708,"sun":{"sidereal_longitude":149.3345,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":210.525,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.1905,"elapsed_within_tithi_degrees":1.1905},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.525,"elapsed_within_degrees":10.525},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.8595},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2091,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2485042.770833,"ahargana":1896577.2708,"kali_year":5193,"ayanamsa_lahiri":25.1342,"grahas":{"sun":{"sidereal_longitude":150.28814899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":214.534849,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":4.4357},"mars":{"sidereal_longitude":201.35714899999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":155.73334899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":256.66504899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":163.98114899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":72.72884899999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":130.2092,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.2092,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485042.770833,"kali_year":5193,"ahargana":1896577.2708,"sun":{"sidereal_longitude":149.3345,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":210.525,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.1905,"elapsed_within_tithi_degrees":1.1905},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.525,"elapsed_within_degrees":10.525},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.8595},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.436,"elongation":61.19},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.436,"opposition_distance":118.81}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-0.052,"opposition_distance":1.943}]},"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":"06:25","sunsetLocal":"18:38","solarNoonLocal":"12:31","dayLengthHours":12.202276993603919,"dayLengthDisplay":"12 Hours 12 Mins 08 Secs","nightLengthDisplay":"11 Hours 47 Mins 52 Secs","moonriseLocal":"11:15","moonsetLocal":"22:22","rahuKala":{"name":"Rāhu Kāla","start":"15:35","end":"17:06","startHours":15.575195545506407,"endHours":17.1004801697069,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:28","end":"11:00","startHours":9.474057048704447,"endHours":10.999341672904936,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:03","startHours":12.524626297105428,"endHours":14.049910921305916,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:41","startHours":9.270685765477715,"endHours":9.677428331931178,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:15","startHours":6.9319160083702975,"endHours":7.257310061533069,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:56","startHours":12.117883730651965,"endHours":12.931368863558891,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:37","startHours":4.796517534489611,"endHours":5.6100026673965395,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:25","startHours":5.406631384169808,"endHours":6.423487800303468,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:22","startHours":14.558339129372747,"endHours":15.371824262279675,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.425764793907387,"endHours":18.825764793907386,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:08","startHours":18.625764793907386,"endHours":19.134193001974218,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.375764793907386,"endHours":20.125764793907386,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:56","startHours":24.117883730651965,"endHours":24.93136886355889,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:25","end":"07:57","startHours":6.423487800303468,"endHours":7.948772424503957,"quality":"inauspicious"},{"name":"Udveg","start":"07:57","end":"09:28","startHours":7.948772424503957,"endHours":9.474057048704447,"quality":"inauspicious"},{"name":"Chala","start":"09:28","end":"11:00","startHours":9.474057048704447,"endHours":10.999341672904936,"quality":"neutral"},{"name":"Labha","start":"11:00","end":"12:31","startHours":10.999341672904936,"endHours":12.524626297105428,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:03","startHours":12.524626297105428,"endHours":14.049910921305916,"quality":"auspicious"},{"name":"Kāla","start":"14:03","end":"15:35","startHours":14.049910921305916,"endHours":15.575195545506407,"quality":"inauspicious"},{"name":"Śubha","start":"15:35","end":"17:06","startHours":15.575195545506407,"endHours":17.1004801697069,"quality":"auspicious"},{"name":"Roga","start":"17:06","end":"18:38","startHours":17.1004801697069,"endHours":18.625764793907386,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:38","end":"20:06","startHours":18.625764793907386,"endHours":20.100480169706895,"quality":"inauspicious"},{"name":"Śubha","start":"20:06","end":"21:35","startHours":20.100480169706895,"endHours":21.575195545506407,"quality":"auspicious"},{"name":"Roga","start":"21:35","end":"23:03","startHours":21.575195545506407,"endHours":23.049910921305916,"quality":"inauspicious"},{"name":"Udveg","start":"23:03","end":"00:31","startHours":23.049910921305916,"endHours":24.524626297105428,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"02:00","startHours":24.524626297105428,"endHours":25.999341672904936,"quality":"neutral"},{"name":"Labha","start":"02:00","end":"03:28","startHours":25.999341672904936,"endHours":27.474057048704445,"quality":"auspicious"},{"name":"Amṛta","start":"03:28","end":"04:57","startHours":27.474057048704445,"endHours":28.948772424503957,"quality":"auspicious"},{"name":"Kāla","start":"04:57","end":"06:25","startHours":28.948772424503957,"endHours":30.42348780030347,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.423487800303468,"endHours":7.423487800303468,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.423487800303468,"endHours":8.423487800303468,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.423487800303468,"endHours":9.423487800303468,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.423487800303468,"endHours":10.423487800303468,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.423487800303468,"endHours":11.423487800303468,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.423487800303468,"endHours":12.423487800303468,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.423487800303468,"endHours":13.423487800303468,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.423487800303468,"endHours":14.423487800303468,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.423487800303468,"endHours":15.423487800303468,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.423487800303468,"endHours":16.42348780030347,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.42348780030347,"endHours":17.42348780030347,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.42348780030347,"endHours":18.42348780030347,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.42348780030347,"endHours":19.42348780030347,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.42348780030347,"endHours":20.42348780030347,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.42348780030347,"endHours":21.42348780030347,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.42348780030347,"endHours":22.42348780030347,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.42348780030347,"endHours":23.42348780030347,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.42348780030347,"endHours":24.42348780030347,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.42348780030347,"endHours":25.42348780030347,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.42348780030347,"endHours":26.42348780030347,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.42348780030347,"endHours":27.42348780030347,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.42348780030347,"endHours":28.42348780030347,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.42348780030347,"endHours":29.42348780030347,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.42348780030347,"endHours":30.42348780030347,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.8190496213783436,"eotMinutes":6.610022173674397,"ayanamsa":25.1342}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi_ingress":"Kanyā"},"precedence":4},{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 September 18, 2091 CE · Thane, Maharashtra · Vidhyamitra","description":"September 18, 2091 CE for Thane, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 06:25, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2091-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2091-09-18","sa":"https://sa.vidhyamitra.com/city/thane/2091-09-18","hi":"https://hi.vidhyamitra.com/city/thane/2091-09-18","x-default":"https://vidhyamitra.com/city/thane/2091-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:31:16.835Z","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":"2026-06-01T09:31:16.835Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:31:16.835Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}