{"id":"vidhyamitra:city-day:thane:1973-09-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1973-09-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-09-06","date_display":"September 6, 1973 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":1973,"month":9,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441931.770833,"kali_year":5075,"ahargana":1853466.2708,"sun":{"sidereal_longitude":139.1806,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":243.9199,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.7393,"elapsed_within_tithi_degrees":8.7393},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.9199,"elapsed_within_degrees":3.9199},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.1006},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":1973,"month":9,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441931.770833,"ahargana":1853466.2708,"kali_year":5075,"ayanamsa_lahiri":23.4853,"grahas":{"sun":{"sidereal_longitude":139.821506,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":244.977306,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-0.8206},"mars":{"sidereal_longitude":14.743306000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":143.124706,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":279.9380060000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":178.258106,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":69.98480599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":254.4375,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":74.4375,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1973,"month":9,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441931.770833,"kali_year":5075,"ahargana":1853466.2708,"sun":{"sidereal_longitude":139.1806,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":243.9199,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.7393,"elapsed_within_tithi_degrees":8.7393},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.9199,"elapsed_within_degrees":3.9199},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.1006},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.821,"elongation":104.739},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.821,"opposition_distance":75.261}},"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":"06:23","sunsetLocal":"18:49","solarNoonLocal":"12:36","dayLengthHours":12.42486551704788,"dayLengthDisplay":"12 Hours 25 Mins 30 Secs","nightLengthDisplay":"11 Hours 34 Mins 30 Secs","moonriseLocal":"14:09","moonsetLocal":"01:04","rahuKala":{"name":"Rāhu Kāla","start":"14:09","end":"15:42","startHours":14.151218061046976,"endHours":15.704326250677962,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:23","end":"07:56","startHours":6.385677112892051,"endHours":7.938785302523035,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:30","end":"11:03","startHours":9.49189349215402,"endHours":11.045001681785006,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:42","startHours":9.284812400203222,"endHours":9.69897458410482,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:14","startHours":6.903379842769046,"endHours":7.234709589890323,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"13:01","startHours":12.183947687514395,"endHours":13.012272055317586,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:33","startHours":4.729028377285666,"endHours":5.557352745088859,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:23","startHours":5.35027165313806,"endHours":6.385677112892051,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:30","startHours":14.668920790923972,"endHours":15.497245158727164,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.610542629939932,"endHours":19.01054262993993,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:20","startHours":18.81054262993993,"endHours":19.328245359816925,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.56054262993993,"endHours":20.31054262993993,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"01:01","startHours":24.183947687514397,"endHours":25.012272055317588,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:23","end":"07:56","startHours":6.385677112892051,"endHours":7.938785302523035,"quality":"auspicious"},{"name":"Roga","start":"07:56","end":"09:30","startHours":7.938785302523035,"endHours":9.49189349215402,"quality":"inauspicious"},{"name":"Udveg","start":"09:30","end":"11:03","startHours":9.49189349215402,"endHours":11.045001681785006,"quality":"inauspicious"},{"name":"Chala","start":"11:03","end":"12:36","startHours":11.045001681785006,"endHours":12.598109871415991,"quality":"neutral"},{"name":"Labha","start":"12:36","end":"14:09","startHours":12.598109871415991,"endHours":14.151218061046976,"quality":"auspicious"},{"name":"Amṛta","start":"14:09","end":"15:42","startHours":14.151218061046976,"endHours":15.704326250677962,"quality":"auspicious"},{"name":"Kāla","start":"15:42","end":"17:15","startHours":15.704326250677962,"endHours":17.25743444030895,"quality":"inauspicious"},{"name":"Śubha","start":"17:15","end":"18:49","startHours":17.25743444030895,"endHours":18.81054262993993,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:49","end":"20:15","startHours":18.81054262993993,"endHours":20.257434440308945,"quality":"auspicious"},{"name":"Kāla","start":"20:15","end":"21:42","startHours":20.257434440308945,"endHours":21.704326250677962,"quality":"inauspicious"},{"name":"Śubha","start":"21:42","end":"23:09","startHours":21.704326250677962,"endHours":23.151218061046976,"quality":"auspicious"},{"name":"Roga","start":"23:09","end":"00:36","startHours":23.151218061046976,"endHours":24.598109871415993,"quality":"inauspicious"},{"name":"Udveg","start":"00:36","end":"02:03","startHours":24.598109871415993,"endHours":26.045001681785006,"quality":"inauspicious"},{"name":"Chala","start":"02:03","end":"03:30","startHours":26.045001681785006,"endHours":27.49189349215402,"quality":"neutral"},{"name":"Labha","start":"03:30","end":"04:56","startHours":27.49189349215402,"endHours":28.938785302523037,"quality":"auspicious"},{"name":"Amṛta","start":"04:56","end":"06:23","startHours":28.938785302523037,"endHours":30.38567711289205,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:23","end":"07:23","startHours":6.385677112892051,"endHours":7.385677112892051,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:23","end":"08:23","startHours":7.385677112892051,"endHours":8.38567711289205,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:23","end":"09:23","startHours":8.38567711289205,"endHours":9.38567711289205,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:23","end":"10:23","startHours":9.38567711289205,"endHours":10.38567711289205,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:23","end":"11:23","startHours":10.38567711289205,"endHours":11.38567711289205,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:23","end":"12:23","startHours":11.38567711289205,"endHours":12.38567711289205,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:23","end":"13:23","startHours":12.38567711289205,"endHours":13.38567711289205,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:23","end":"14:23","startHours":13.38567711289205,"endHours":14.38567711289205,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:23","end":"15:23","startHours":14.38567711289205,"endHours":15.38567711289205,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:23","end":"16:23","startHours":15.38567711289205,"endHours":16.38567711289205,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:23","end":"17:23","startHours":16.38567711289205,"endHours":17.38567711289205,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:23","end":"18:23","startHours":17.38567711289205,"endHours":18.38567711289205,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:23","end":"19:23","startHours":18.38567711289205,"endHours":19.38567711289205,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:23","end":"20:23","startHours":19.38567711289205,"endHours":20.38567711289205,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:23","end":"21:23","startHours":20.38567711289205,"endHours":21.38567711289205,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:23","end":"22:23","startHours":21.38567711289205,"endHours":22.38567711289205,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:23","end":"23:23","startHours":22.38567711289205,"endHours":23.38567711289205,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:23","end":"00:23","startHours":23.38567711289205,"endHours":24.38567711289205,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:23","end":"01:23","startHours":24.38567711289205,"endHours":25.38567711289205,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:23","end":"02:23","startHours":25.38567711289205,"endHours":26.38567711289205,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:23","end":"03:23","startHours":26.38567711289205,"endHours":27.38567711289205,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:23","end":"04:23","startHours":27.38567711289205,"endHours":28.38567711289205,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:23","end":"05:23","startHours":28.38567711289205,"endHours":29.38567711289205,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:23","end":"06:23","startHours":29.38567711289205,"endHours":30.38567711289205,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvaja","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":6.560215449458972,"eotMinutes":2.2010077150405363,"ayanamsa":23.4853}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"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 Navamī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 September 6, 1973 CE · Thane, Maharashtra · Vidhyamitra","description":"September 6, 1973 CE for Thane, Maharashtra: Śukla Navamī, sūryodaya 06:23, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1973-09-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1973-09-06","sa":"https://sa.vidhyamitra.com/city/thane/1973-09-06","hi":"https://hi.vidhyamitra.com/city/thane/1973-09-06","x-default":"https://vidhyamitra.com/city/thane/1973-09-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:03:52.009Z","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":"2026-06-02T16:03:52.009Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:03:52.009Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}