{"id":"vidhyamitra:city-day:thane:2011-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2011-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-09-13","date_display":"September 13, 2011 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":2011,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455817.770833,"kali_year":5113,"ahargana":1867352.2708,"sun":{"sidereal_longitude":145.1554,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":334.2207,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.2207,"elapsed_within_degrees":0.8874},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.3761},"karana":{"half_tithi_index":31,"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":2011,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455817.770833,"ahargana":1867352.2708,"kali_year":5113,"ayanamsa_lahiri":24.0164,"grahas":{"sun":{"sidereal_longitude":145.904859,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":333.025759,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":4.479},"mars":{"sidereal_longitude":92.05875900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":132.17635900000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":15.917958999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":153.283859,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":172.22345900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":238.6904,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.6904,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455817.770833,"kali_year":5113,"ahargana":1867352.2708,"sun":{"sidereal_longitude":145.1554,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":334.2207,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.2207,"elapsed_within_degrees":0.8874},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.3761},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.479,"elongation":170.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.479,"opposition_distance":9.065}},"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":"06:24","sunsetLocal":"18:42","solarNoonLocal":"12:33","dayLengthHours":12.303793707439766,"dayLengthDisplay":"12 Hours 18 Mins 14 Secs","nightLengthDisplay":"11 Hours 41 Mins 46 Secs","moonriseLocal":"19:01","moonsetLocal":"07:03","rahuKala":{"name":"Rāhu Kāla","start":"15:38","end":"17:10","startHours":15.631510578028841,"endHours":17.169484791458814,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:29","end":"11:01","startHours":9.479613724308958,"endHours":11.01758793773893,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:33","end":"14:06","startHours":12.5555621511689,"endHours":14.093536364598872,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:41","startHours":9.27455049585163,"endHours":9.684676952766289,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:15","startHours":6.916323368592341,"endHours":7.244424534124068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:58","startHours":12.14543569425424,"endHours":12.965688608083559,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:35","startHours":4.7631594697903825,"endHours":5.5834123836197,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:24","startHours":5.37834915516237,"endHours":6.403665297449018,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:26","startHours":14.606194435742196,"endHours":15.426447349571514,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.507459004888783,"endHours":18.907459004888782,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:13","startHours":18.707459004888783,"endHours":19.220117076032107,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.457459004888783,"endHours":20.207459004888783,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:58","startHours":24.145435694254243,"endHours":24.965688608083557,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:24","end":"07:56","startHours":6.403665297449018,"endHours":7.941639510878988,"quality":"inauspicious"},{"name":"Udveg","start":"07:56","end":"09:29","startHours":7.941639510878988,"endHours":9.479613724308958,"quality":"inauspicious"},{"name":"Chala","start":"09:29","end":"11:01","startHours":9.479613724308958,"endHours":11.01758793773893,"quality":"neutral"},{"name":"Labha","start":"11:01","end":"12:33","startHours":11.01758793773893,"endHours":12.5555621511689,"quality":"auspicious"},{"name":"Amṛta","start":"12:33","end":"14:06","startHours":12.5555621511689,"endHours":14.093536364598872,"quality":"auspicious"},{"name":"Kāla","start":"14:06","end":"15:38","startHours":14.093536364598872,"endHours":15.631510578028841,"quality":"inauspicious"},{"name":"Śubha","start":"15:38","end":"17:10","startHours":15.631510578028841,"endHours":17.169484791458814,"quality":"auspicious"},{"name":"Roga","start":"17:10","end":"18:42","startHours":17.169484791458814,"endHours":18.707459004888783,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:42","end":"20:10","startHours":18.707459004888783,"endHours":20.169484791458814,"quality":"inauspicious"},{"name":"Śubha","start":"20:10","end":"21:38","startHours":20.169484791458814,"endHours":21.63151057802884,"quality":"auspicious"},{"name":"Roga","start":"21:38","end":"23:06","startHours":21.63151057802884,"endHours":23.09353636459887,"quality":"inauspicious"},{"name":"Udveg","start":"23:06","end":"00:33","startHours":23.09353636459887,"endHours":24.5555621511689,"quality":"inauspicious"},{"name":"Chala","start":"00:33","end":"02:01","startHours":24.5555621511689,"endHours":26.01758793773893,"quality":"neutral"},{"name":"Labha","start":"02:01","end":"03:29","startHours":26.01758793773893,"endHours":27.479613724308958,"quality":"auspicious"},{"name":"Amṛta","start":"03:29","end":"04:56","startHours":27.479613724308958,"endHours":28.941639510878986,"quality":"auspicious"},{"name":"Kāla","start":"04:56","end":"06:24","startHours":28.941639510878986,"endHours":30.403665297449017,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.403665297449018,"endHours":7.403665297449018,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.403665297449018,"endHours":8.403665297449017,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.403665297449017,"endHours":9.403665297449017,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.403665297449017,"endHours":10.403665297449017,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.403665297449017,"endHours":11.403665297449017,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.403665297449017,"endHours":12.403665297449017,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.403665297449017,"endHours":13.403665297449017,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.403665297449017,"endHours":14.403665297449017,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.403665297449017,"endHours":15.403665297449017,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.403665297449017,"endHours":16.403665297449017,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.403665297449017,"endHours":17.403665297449017,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.403665297449017,"endHours":18.403665297449017,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.403665297449017,"endHours":19.403665297449017,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.403665297449017,"endHours":20.403665297449017,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.403665297449017,"endHours":21.403665297449017,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.403665297449017,"endHours":22.403665297449017,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.403665297449017,"endHours":23.403665297449017,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.403665297449017,"endHours":24.403665297449017,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.403665297449017,"endHours":25.403665297449017,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.403665297449017,"endHours":26.403665297449017,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.403665297449017,"endHours":27.403665297449017,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.403665297449017,"endHours":28.403665297449017,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.403665297449017,"endHours":29.403665297449017,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.403665297449017,"endHours":30.403665297449017,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.991228094824265,"eotMinutes":4.753870929866006,"ayanamsa":24.0164}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":"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 13, 2011 CE · Thane, Maharashtra · Vidhyamitra","description":"September 13, 2011 CE for Thane, Maharashtra: Kṛṣṇa Pratipada, sūryodaya 06:24, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2011-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2011-09-13","sa":"https://sa.vidhyamitra.com/city/thane/2011-09-13","hi":"https://hi.vidhyamitra.com/city/thane/2011-09-13","x-default":"https://vidhyamitra.com/city/thane/2011-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:20:26.812Z","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":"2026-05-15T15:20:26.812Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:20:26.812Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}