{"id":"vidhyamitra:city-day:thane:1875-10-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1875-10-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-10-15","date_display":"October 15, 1875 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":1875,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406176.770833,"kali_year":4977,"ahargana":1817711.2708,"sun":{"sidereal_longitude":178.7333,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":358.5064,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.7731,"elapsed_within_tithi_degrees":11.7731},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.5064,"elapsed_within_degrees":11.8397},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.2397},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1875,"month":10,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406176.770833,"ahargana":1817711.2708,"kali_year":4977,"ayanamsa_lahiri":22.1178,"grahas":{"sun":{"sidereal_longitude":179.16471,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":0.11351000000001932,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":0.7495},"mars":{"sidereal_longitude":273.84721,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":204.28701,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":196.96771,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":186.63261,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":298.49071000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":348.9094,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":168.9094,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1875,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406176.770833,"kali_year":4977,"ahargana":1817711.2708,"sun":{"sidereal_longitude":178.7333,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":358.5064,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.7731,"elapsed_within_tithi_degrees":11.7731},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.5064,"elapsed_within_degrees":11.8397},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.2397},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.749,"elongation":179.773},"lunar":{"type":"lunar","occurs":true,"moon_latitude":0.749,"opposition_distance":0.227}},"eclipse_window_40days":[{"offset_days":0,"type":"lunar","occurs":true,"moon_latitude":0.749,"opposition_distance":0.227}]},"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":"06:31","sunsetLocal":"18:15","solarNoonLocal":"12:23","dayLengthHours":11.730286095905633,"dayLengthDisplay":"11 Hours 43 Mins 49 Secs","nightLengthDisplay":"12 Hours 16 Mins 11 Secs","moonriseLocal":"18:12","moonsetLocal":"06:42","rahuKala":{"name":"Rāhu Kāla","start":"10:55","end":"12:23","startHours":10.920893731823329,"endHours":12.387179493811534,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:19","end":"16:47","startHours":15.31975101778794,"endHours":16.786036779776147,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:59","end":"09:27","startHours":7.98832220784692,"endHours":9.454607969835124,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:39","startHours":9.259103201570031,"endHours":9.65011273810022,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:19","startHours":7.010798366521451,"endHours":7.323605995745601,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:47","startHours":11.996169957281346,"endHours":12.778189030341721,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:57","end":"05:44","startHours":4.957998299737965,"endHours":5.740017372798341,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:31","startHours":5.544512604533247,"endHours":6.522036445858716,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:07","startHours":14.342227176462472,"endHours":15.124246249522848,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.05232254176435,"endHours":18.45232254176435,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.25232254176435,"endHours":18.741084462427086,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.00232254176435,"endHours":19.75232254176435,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:47","startHours":23.996169957281346,"endHours":24.77818903034172,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:31","end":"07:59","startHours":6.522036445858716,"endHours":7.98832220784692,"quality":"neutral"},{"name":"Labha","start":"07:59","end":"09:27","startHours":7.98832220784692,"endHours":9.454607969835124,"quality":"auspicious"},{"name":"Amṛta","start":"09:27","end":"10:55","startHours":9.454607969835124,"endHours":10.920893731823329,"quality":"auspicious"},{"name":"Kāla","start":"10:55","end":"12:23","startHours":10.920893731823329,"endHours":12.387179493811534,"quality":"inauspicious"},{"name":"Śubha","start":"12:23","end":"13:51","startHours":12.387179493811534,"endHours":13.853465255799737,"quality":"auspicious"},{"name":"Roga","start":"13:51","end":"15:19","startHours":13.853465255799737,"endHours":15.31975101778794,"quality":"inauspicious"},{"name":"Udveg","start":"15:19","end":"16:47","startHours":15.31975101778794,"endHours":16.786036779776147,"quality":"inauspicious"},{"name":"Chala","start":"16:47","end":"18:15","startHours":16.786036779776147,"endHours":18.25232254176435,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:15","end":"19:47","startHours":18.25232254176435,"endHours":19.786036779776147,"quality":"inauspicious"},{"name":"Udveg","start":"19:47","end":"21:19","startHours":19.786036779776147,"endHours":21.319751017787944,"quality":"inauspicious"},{"name":"Chala","start":"21:19","end":"22:51","startHours":21.319751017787944,"endHours":22.853465255799737,"quality":"neutral"},{"name":"Labha","start":"22:51","end":"00:23","startHours":22.853465255799737,"endHours":24.387179493811534,"quality":"auspicious"},{"name":"Amṛta","start":"00:23","end":"01:55","startHours":24.387179493811534,"endHours":25.92089373182333,"quality":"auspicious"},{"name":"Kāla","start":"01:55","end":"03:27","startHours":25.92089373182333,"endHours":27.454607969835124,"quality":"inauspicious"},{"name":"Śubha","start":"03:27","end":"04:59","startHours":27.454607969835124,"endHours":28.98832220784692,"quality":"auspicious"},{"name":"Roga","start":"04:59","end":"06:31","startHours":28.98832220784692,"endHours":30.522036445858717,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.522036445858716,"endHours":7.522036445858716,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.522036445858716,"endHours":8.522036445858717,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.522036445858717,"endHours":9.522036445858717,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.522036445858717,"endHours":10.522036445858717,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.522036445858717,"endHours":11.522036445858717,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.522036445858717,"endHours":12.522036445858717,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.522036445858717,"endHours":13.522036445858717,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.522036445858717,"endHours":14.522036445858717,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.522036445858717,"endHours":15.522036445858717,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.522036445858717,"endHours":16.522036445858717,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.522036445858717,"endHours":17.522036445858717,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.522036445858717,"endHours":18.522036445858717,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.522036445858717,"endHours":19.522036445858717,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.522036445858717,"endHours":20.522036445858717,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.522036445858717,"endHours":21.522036445858717,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.522036445858717,"endHours":22.522036445858717,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.522036445858717,"endHours":23.522036445858717,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.522036445858717,"endHours":24.522036445858717,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.522036445858717,"endHours":25.522036445858717,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.522036445858717,"endHours":26.522036445858717,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.522036445858717,"endHours":27.522036445858717,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.522036445858717,"endHours":28.522036445858717,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.522036445858717,"endHours":29.522036445858717,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.522036445858717,"endHours":30.522036445858717,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.300433142559811,"eotMinutes":14.85683037130801,"ayanamsa":22.1178}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"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 Pūrṇimā · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[{"id":"sharad-purnima","name":"Śarad Pūrṇimā / Kojāgarī Pūrṇimā","name_sanskrit":"शरद पूर्णिमा","tradition":"Vaishnava","associated_deity":"Krishna + Lakṣmī","significance":"Krishna's Mahā-rāsa with the gopīs at Vṛndāvana. Lakṣmī wakes (\"ko jāgartti?\")","vrata":true,"primary_observance":"Night-long jāgaraṇa; offering of pāyasa under moonlight","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":2,"sources":["Bhāgavata 10.29-33"]},{"id":"rasa-purnima","name":"Rāsa Pūrṇimā (Vraja Mahā-Rāsa)","name_sanskrit":"रास पूर्णिमा","tradition":"Vaishnava","associated_deity":"Krishna + Gopīs","significance":"Krishna's Mahā-rāsa with the gopīs at Vraja (Bhāgavata 10.29-33). Same as Śarad Pūrṇimā but emphasized in Vraja tradition.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":2},{"id":"valmiki-jayanti","name":"Mahārṣi Vālmīki Jayantī","name_sanskrit":"महर्षि वाल्मीकि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Maharṣi Vālmīki (ādi-kavi)","significance":"Composer of Vālmīki Rāmāyaṇa. Āśvina Pūrṇimā tradition.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":3}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 October 15, 1875 CE · Thane, Maharashtra · Vidhyamitra","description":"October 15, 1875 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:31, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1875-10-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1875-10-15","sa":"https://sa.vidhyamitra.com/city/thane/1875-10-15","hi":"https://hi.vidhyamitra.com/city/thane/1875-10-15","x-default":"https://vidhyamitra.com/city/thane/1875-10-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:49:06.411Z","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":"2026-05-31T17:49:06.411Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:49:06.411Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}