{"id":"vidhyamitra:city-day:thane:1818-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1818-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-09-01","date_display":"September 1, 1818 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":1818,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385313.770833,"kali_year":4920,"ahargana":1796848.2708,"sun":{"sidereal_longitude":136.386,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":139.4298,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.0438,"elapsed_within_tithi_degrees":3.0438},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.4298,"elapsed_within_degrees":6.0964},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.8157},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1818,"month":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385313.770833,"ahargana":1796848.2708,"kali_year":4920,"ayanamsa_lahiri":21.3199,"grahas":{"sun":{"sidereal_longitude":136.64183000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":140.35953,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":3.6805},"mars":{"sidereal_longitude":163.68922999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":166.08322999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":254.04903000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":181.28252999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":325.85182999999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":14.3316,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.3316,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1818,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385313.770833,"kali_year":4920,"ahargana":1796848.2708,"sun":{"sidereal_longitude":136.386,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":139.4298,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.0438,"elapsed_within_tithi_degrees":3.0438},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.4298,"elapsed_within_degrees":6.0964},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.8157},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.681,"elongation":3.044},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.681,"opposition_distance":176.956}},"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":"06:22","sunsetLocal":"18:53","solarNoonLocal":"12:38","dayLengthHours":12.521290385816023,"dayLengthDisplay":"12 Hours 31 Mins 17 Secs","nightLengthDisplay":"11 Hours 28 Mins 43 Secs","moonriseLocal":"06:40","moonsetLocal":"19:05","rahuKala":{"name":"Rāhu Kāla","start":"15:45","end":"17:19","startHours":15.757182299602785,"endHours":17.322343597829786,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:30","end":"11:04","startHours":9.496537106694774,"endHours":11.061698404921776,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:38","end":"14:12","startHours":12.626859703148778,"endHours":14.192021001375782,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:42","startHours":9.28784893359784,"endHours":9.705225279791707,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:13","startHours":6.887934942983102,"endHours":7.221836019938196,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"13:03","startHours":12.20948335695491,"endHours":13.044236049342645,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:32","startHours":4.696709125465297,"endHours":5.531461817853033,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:22","startHours":5.322773644756099,"endHours":6.366214510240767,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:33","startHours":14.713741434118116,"endHours":15.548494126505851,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.68750489605679,"endHours":19.08750489605679,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:25","startHours":18.88750489605679,"endHours":19.409225328799124,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.63750489605679,"endHours":20.38750489605679,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"01:03","startHours":24.20948335695491,"endHours":25.044236049342647,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:22","end":"07:56","startHours":6.366214510240767,"endHours":7.93137580846777,"quality":"inauspicious"},{"name":"Udveg","start":"07:56","end":"09:30","startHours":7.93137580846777,"endHours":9.496537106694774,"quality":"inauspicious"},{"name":"Chala","start":"09:30","end":"11:04","startHours":9.496537106694774,"endHours":11.061698404921776,"quality":"neutral"},{"name":"Labha","start":"11:04","end":"12:38","startHours":11.061698404921776,"endHours":12.626859703148778,"quality":"auspicious"},{"name":"Amṛta","start":"12:38","end":"14:12","startHours":12.626859703148778,"endHours":14.192021001375782,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:45","startHours":14.192021001375782,"endHours":15.757182299602785,"quality":"inauspicious"},{"name":"Śubha","start":"15:45","end":"17:19","startHours":15.757182299602785,"endHours":17.322343597829786,"quality":"auspicious"},{"name":"Roga","start":"17:19","end":"18:53","startHours":17.322343597829786,"endHours":18.88750489605679,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:53","end":"20:19","startHours":18.88750489605679,"endHours":20.322343597829786,"quality":"inauspicious"},{"name":"Śubha","start":"20:19","end":"21:45","startHours":20.322343597829786,"endHours":21.757182299602782,"quality":"auspicious"},{"name":"Roga","start":"21:45","end":"23:12","startHours":21.757182299602782,"endHours":23.19202100137578,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:38","startHours":23.19202100137578,"endHours":24.626859703148778,"quality":"inauspicious"},{"name":"Chala","start":"00:38","end":"02:04","startHours":24.626859703148778,"endHours":26.061698404921774,"quality":"neutral"},{"name":"Labha","start":"02:04","end":"03:30","startHours":26.061698404921774,"endHours":27.496537106694774,"quality":"auspicious"},{"name":"Amṛta","start":"03:30","end":"04:56","startHours":27.496537106694774,"endHours":28.93137580846777,"quality":"auspicious"},{"name":"Kāla","start":"04:56","end":"06:22","startHours":28.93137580846777,"endHours":30.366214510240766,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.366214510240767,"endHours":7.366214510240767,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.366214510240767,"endHours":8.366214510240766,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.366214510240766,"endHours":9.366214510240766,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.366214510240766,"endHours":10.366214510240766,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.366214510240766,"endHours":11.366214510240766,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.366214510240766,"endHours":12.366214510240766,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.366214510240766,"endHours":13.366214510240766,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.366214510240766,"endHours":14.366214510240766,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.366214510240766,"endHours":15.366214510240766,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.366214510240766,"endHours":16.366214510240766,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.366214510240766,"endHours":17.366214510240766,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.366214510240766,"endHours":18.366214510240766,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.366214510240766,"endHours":19.366214510240766,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.366214510240766,"endHours":20.366214510240766,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.366214510240766,"endHours":21.366214510240766,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.366214510240766,"endHours":22.366214510240766,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.366214510240766,"endHours":23.366214510240766,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.366214510240766,"endHours":24.366214510240766,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.366214510240766,"endHours":25.366214510240766,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.366214510240766,"endHours":26.366214510240766,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.366214510240766,"endHours":27.366214510240766,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.366214510240766,"endHours":28.366214510240766,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.366214510240766,"endHours":29.366214510240766,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.366214510240766,"endHours":30.366214510240766,"planetary_lord":"Saturn"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.582856194657166,"eotMinutes":0.47601781107335894,"ayanamsa":21.3199}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"festivals":[],"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 1, 1818 CE · Thane, Maharashtra · Vidhyamitra","description":"September 1, 1818 CE for Thane, Maharashtra: Śukla Pratipada, sūryodaya 06:22, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1818-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1818-09-01","sa":"https://sa.vidhyamitra.com/city/thane/1818-09-01","hi":"https://hi.vidhyamitra.com/city/thane/1818-09-01","x-default":"https://vidhyamitra.com/city/thane/1818-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-07T17:13:59.438Z","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":"2026-06-07T17:13:59.438Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-07T17:13:59.438Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}