{"id":"vidhyamitra:city-day:thane:1985-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1985-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-09-15","date_display":"September 15, 1985 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":1985,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446323.770833,"kali_year":5087,"ahargana":1857858.2708,"sun":{"sidereal_longitude":147.8053,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":149.4659,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.6606,"elapsed_within_tithi_degrees":1.6606},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.4659,"elapsed_within_degrees":2.7992},"yoga":{"number":23,"name":"Śubha","sum_longitude":297.2712},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1985,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446323.770833,"ahargana":1857858.2708,"kali_year":5087,"ayanamsa_lahiri":23.6533,"grahas":{"sun":{"sidereal_longitude":148.4982,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":151.64350000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.5573},"mars":{"sidereal_longitude":129.70709999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":141.7996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":284.8617999999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"venus":{"sidereal_longitude":117.99739999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":209.48969999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":21.7282,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":201.7282,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"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":1985,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446323.770833,"kali_year":5087,"ahargana":1857858.2708,"sun":{"sidereal_longitude":147.8053,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":149.4659,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.6606,"elapsed_within_tithi_degrees":1.6606},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.4659,"elapsed_within_degrees":2.7992},"yoga":{"number":23,"name":"Śubha","sum_longitude":297.2712},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.557,"elongation":1.661},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.557,"opposition_distance":178.339}},"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":"06:25","sunsetLocal":"18:40","solarNoonLocal":"12:33","dayLengthHours":12.262693563872086,"dayLengthDisplay":"12 Hours 15 Mins 46 Secs","nightLengthDisplay":"11 Hours 44 Mins 14 Secs","moonriseLocal":"06:40","moonsetLocal":"18:50","rahuKala":{"name":"Rāhu Kāla","start":"17:09","end":"18:40","startHours":17.141692200061993,"endHours":18.674528895546004,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"14:05","startHours":12.543182113609962,"endHours":14.076018809093972,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:37","end":"17:09","startHours":15.608855504577983,"endHours":17.141692200061993,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:41","startHours":9.273130496577405,"endHours":9.681886948706474,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:15","startHours":6.922780896835255,"endHours":7.249786058538511,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:57","startHours":12.134425661480892,"endHours":12.95193856573903,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:36","startHours":4.77680952315764,"endHours":5.594322427415779,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:25","startHours":5.389944201351245,"endHours":6.4118353316739185,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:24","startHours":14.58696437425531,"endHours":15.404477278513449,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.474528895546005,"endHours":18.874528895546003,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:11","startHours":18.674528895546004,"endHours":19.18547446070734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.424528895546004,"endHours":20.174528895546004,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:57","startHours":24.13442566148089,"endHours":24.951938565739027,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:25","end":"07:57","startHours":6.4118353316739185,"endHours":7.944672027157929,"quality":"inauspicious"},{"name":"Chala","start":"07:57","end":"09:29","startHours":7.944672027157929,"endHours":9.47750872264194,"quality":"neutral"},{"name":"Labha","start":"09:29","end":"11:01","startHours":9.47750872264194,"endHours":11.01034541812595,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:33","startHours":11.01034541812595,"endHours":12.543182113609962,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"14:05","startHours":12.543182113609962,"endHours":14.076018809093972,"quality":"inauspicious"},{"name":"Śubha","start":"14:05","end":"15:37","startHours":14.076018809093972,"endHours":15.608855504577983,"quality":"auspicious"},{"name":"Roga","start":"15:37","end":"17:09","startHours":15.608855504577983,"endHours":17.141692200061993,"quality":"inauspicious"},{"name":"Udveg","start":"17:09","end":"18:40","startHours":17.141692200061993,"endHours":18.674528895546004,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:40","end":"20:09","startHours":18.674528895546004,"endHours":20.141692200061993,"quality":"auspicious"},{"name":"Roga","start":"20:09","end":"21:37","startHours":20.141692200061993,"endHours":21.60885550457798,"quality":"inauspicious"},{"name":"Udveg","start":"21:37","end":"23:05","startHours":21.60885550457798,"endHours":23.076018809093974,"quality":"inauspicious"},{"name":"Chala","start":"23:05","end":"00:33","startHours":23.076018809093974,"endHours":24.543182113609962,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"02:01","startHours":24.543182113609962,"endHours":26.01034541812595,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:29","startHours":26.01034541812595,"endHours":27.47750872264194,"quality":"auspicious"},{"name":"Kāla","start":"03:29","end":"04:57","startHours":27.47750872264194,"endHours":28.944672027157928,"quality":"inauspicious"},{"name":"Śubha","start":"04:57","end":"06:25","startHours":28.944672027157928,"endHours":30.41183533167392,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.4118353316739185,"endHours":7.4118353316739185,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.4118353316739185,"endHours":8.411835331673919,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.411835331673919,"endHours":9.411835331673919,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.411835331673919,"endHours":10.411835331673919,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.411835331673919,"endHours":11.411835331673919,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.411835331673919,"endHours":12.411835331673919,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.411835331673919,"endHours":13.411835331673919,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.411835331673919,"endHours":14.411835331673919,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.411835331673919,"endHours":15.411835331673919,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.411835331673919,"endHours":16.41183533167392,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.41183533167392,"endHours":17.41183533167392,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.41183533167392,"endHours":18.41183533167392,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.41183533167392,"endHours":19.41183533167392,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.41183533167392,"endHours":20.41183533167392,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.41183533167392,"endHours":21.41183533167392,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.41183533167392,"endHours":22.41183533167392,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.41183533167392,"endHours":23.41183533167392,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.41183533167392,"endHours":24.41183533167392,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.41183533167392,"endHours":25.41183533167392,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.41183533167392,"endHours":26.41183533167392,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.41183533167392,"endHours":27.41183533167392,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.41183533167392,"endHours":28.41183533167392,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.41183533167392,"endHours":29.41183533167392,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.41183533167392,"endHours":30.41183533167392,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","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":3.1133819451310822,"eotMinutes":5.496673183402374,"ayanamsa":23.6533}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"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 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 15, 1985 CE · Thane, Maharashtra · Vidhyamitra","description":"September 15, 1985 CE for Thane, Maharashtra: Śukla Pratipada, sūryodaya 06:25, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1985-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1985-09-15","sa":"https://sa.vidhyamitra.com/city/thane/1985-09-15","hi":"https://hi.vidhyamitra.com/city/thane/1985-09-15","x-default":"https://vidhyamitra.com/city/thane/1985-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:37:27.042Z","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":"2026-06-02T06:37:27.042Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:37:27.042Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}