{"id":"vidhyamitra:city-day:thane:1818-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1818-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-10-01","date_display":"October 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":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385343.770833,"kali_year":4920,"ahargana":1796878.2708,"sun":{"sidereal_longitude":165.6244,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":174.6059,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.9816,"elapsed_within_tithi_degrees":8.9816},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.6059,"elapsed_within_degrees":1.2726},"yoga":{"number":26,"name":"Indra","sum_longitude":340.2303},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385343.770833,"ahargana":1796878.2708,"kali_year":4920,"ayanamsa_lahiri":21.3211,"grahas":{"sun":{"sidereal_longitude":165.93208400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":176.17288400000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":1.3994},"mars":{"sidereal_longitude":183.449384,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":155.76758399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":255.577084,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":214.62958400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":323.619284,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":12.742,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":192.742,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1818,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385343.770833,"kali_year":4920,"ahargana":1796878.2708,"sun":{"sidereal_longitude":165.6244,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":174.6059,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.9816,"elapsed_within_tithi_degrees":8.9816},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.6059,"elapsed_within_degrees":1.2726},"yoga":{"number":26,"name":"Indra","sum_longitude":340.2303},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.399,"elongation":8.982},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.399,"opposition_distance":171.018}},"eclipse_window_40days":[{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":-1.091,"opposition_distance":0.478}]},"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":"06:27","sunsetLocal":"18:26","solarNoonLocal":"12:27","dayLengthHours":11.98387007622938,"dayLengthDisplay":"11 Hours 59 Mins 02 Secs","nightLengthDisplay":"12 Hours 00 Mins 58 Secs","moonriseLocal":"07:15","moonsetLocal":"19:01","rahuKala":{"name":"Rāhu Kāla","start":"13:57","end":"15:27","startHours":13.946647689752265,"endHours":15.444631449280937,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:27","end":"07:57","startHours":6.456728892108901,"endHours":7.954712651637574,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:27","end":"10:57","startHours":9.452696411166247,"endHours":10.95068017069492,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:39","startHours":9.25296524322909,"endHours":9.652427579103403,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:17","startHours":6.956056811951792,"endHours":7.275626680651243,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.04920159434928,"endHours":12.848126266097905,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:39","startHours":4.85887954861165,"endHours":5.657804220360276,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:27","startHours":5.45807305242312,"endHours":6.456728892108901,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:15","startHours":14.445975609595155,"endHours":15.244900281343782,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.240598968338283,"endHours":18.64059896833828,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:56","startHours":18.440598968338282,"endHours":18.939926888181173,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.190598968338282,"endHours":19.940598968338282,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.04920159434928,"endHours":24.848126266097903,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:27","end":"07:57","startHours":6.456728892108901,"endHours":7.954712651637574,"quality":"auspicious"},{"name":"Roga","start":"07:57","end":"09:27","startHours":7.954712651637574,"endHours":9.452696411166247,"quality":"inauspicious"},{"name":"Udveg","start":"09:27","end":"10:57","startHours":9.452696411166247,"endHours":10.95068017069492,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:27","startHours":10.95068017069492,"endHours":12.448663930223592,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"13:57","startHours":12.448663930223592,"endHours":13.946647689752265,"quality":"auspicious"},{"name":"Amṛta","start":"13:57","end":"15:27","startHours":13.946647689752265,"endHours":15.444631449280937,"quality":"auspicious"},{"name":"Kāla","start":"15:27","end":"16:57","startHours":15.444631449280937,"endHours":16.94261520880961,"quality":"inauspicious"},{"name":"Śubha","start":"16:57","end":"18:26","startHours":16.94261520880961,"endHours":18.440598968338282,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:26","end":"19:57","startHours":18.440598968338282,"endHours":19.94261520880961,"quality":"auspicious"},{"name":"Kāla","start":"19:57","end":"21:27","startHours":19.94261520880961,"endHours":21.444631449280937,"quality":"inauspicious"},{"name":"Śubha","start":"21:27","end":"22:57","startHours":21.444631449280937,"endHours":22.946647689752265,"quality":"auspicious"},{"name":"Roga","start":"22:57","end":"00:27","startHours":22.946647689752265,"endHours":24.448663930223592,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"01:57","startHours":24.448663930223592,"endHours":25.95068017069492,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:27","startHours":25.95068017069492,"endHours":27.452696411166247,"quality":"neutral"},{"name":"Labha","start":"03:27","end":"04:57","startHours":27.452696411166247,"endHours":28.954712651637575,"quality":"auspicious"},{"name":"Amṛta","start":"04:57","end":"06:27","startHours":28.954712651637575,"endHours":30.456728892108902,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.456728892108901,"endHours":7.456728892108901,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.456728892108901,"endHours":8.456728892108902,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.456728892108902,"endHours":9.456728892108902,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.456728892108902,"endHours":10.456728892108902,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.456728892108902,"endHours":11.456728892108902,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.456728892108902,"endHours":12.456728892108902,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.456728892108902,"endHours":13.456728892108902,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.456728892108902,"endHours":14.456728892108902,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.456728892108902,"endHours":15.456728892108902,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.456728892108902,"endHours":16.456728892108902,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.456728892108902,"endHours":17.456728892108902,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.456728892108902,"endHours":18.456728892108902,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.456728892108902,"endHours":19.456728892108902,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.456728892108902,"endHours":20.456728892108902,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.456728892108902,"endHours":21.456728892108902,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.456728892108902,"endHours":22.456728892108902,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.456728892108902,"endHours":23.456728892108902,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.456728892108902,"endHours":24.456728892108902,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.456728892108902,"endHours":25.456728892108902,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.456728892108902,"endHours":26.456728892108902,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.456728892108902,"endHours":27.456728892108902,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.456728892108902,"endHours":28.456728892108902,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.456728892108902,"endHours":29.456728892108902,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.456728892108902,"endHours":30.456728892108902,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.8783382800836423,"eotMinutes":11.167764186584405,"ayanamsa":21.3211}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 October 1, 1818 CE · Thane, Maharashtra · Vidhyamitra","description":"October 1, 1818 CE for Thane, Maharashtra: Śukla Pratipada, sūryodaya 06:27, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1818-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1818-10-01","sa":"https://sa.vidhyamitra.com/city/thane/1818-10-01","hi":"https://hi.vidhyamitra.com/city/thane/1818-10-01","x-default":"https://vidhyamitra.com/city/thane/1818-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T21:26:12.900Z","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":"2026-06-04T21:26:12.900Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T21:26:12.900Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}