{"id":"vidhyamitra:city-day:thane:2012-09-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2012-09-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-21","date_display":"September 21, 2012 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":2012,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456191.770833,"kali_year":5114,"ahargana":1867726.2708,"sun":{"sidereal_longitude":153.6645,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":218.0532,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3887,"elapsed_within_tithi_degrees":4.3887},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.0532,"elapsed_within_degrees":4.7199},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.7177},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2012,"month":9,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456191.770833,"ahargana":1867726.2708,"kali_year":5114,"ayanamsa_lahiri":24.0307,"grahas":{"sun":{"sidereal_longitude":154.43346999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":221.04306999999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":-0.0644},"mars":{"sidereal_longitude":204.62147000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":162.78787,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.71527000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":111.74727000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":184.00937,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":218.874,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.874,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"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":2012,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456191.770833,"kali_year":5114,"ahargana":1867726.2708,"sun":{"sidereal_longitude":153.6645,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":218.0532,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3887,"elapsed_within_tithi_degrees":4.3887},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.0532,"elapsed_within_degrees":4.7199},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.7177},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.064,"elongation":64.389},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.064,"opposition_distance":115.611}},"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":"06:26","sunsetLocal":"18:35","solarNoonLocal":"12:30","dayLengthHours":12.146023086193477,"dayLengthDisplay":"12 Hours 08 Mins 46 Secs","nightLengthDisplay":"11 Hours 51 Mins 14 Secs","moonriseLocal":"11:25","moonsetLocal":"22:28","rahuKala":{"name":"Rāhu Kāla","start":"10:59","end":"12:30","startHours":10.987998324180204,"endHours":12.506251209954389,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:33","end":"17:04","startHours":15.542756981502759,"endHours":17.061009867276944,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:57","end":"09:28","startHours":7.951492552631835,"endHours":9.46974543840602,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:40","startHours":9.267311720302796,"endHours":9.672179156509245,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:16","startHours":6.939323962115713,"endHours":7.263217911080873,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:55","startHours":12.10138377374794,"endHours":12.91111864616084,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:37","startHours":4.813769922031854,"endHours":5.623504794444753,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:26","startHours":5.421071076341528,"endHours":6.433239666857651,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:20","startHours":14.530588390986637,"endHours":15.340323263399535,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.37926275305113,"endHours":18.77926275305113,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:05","startHours":18.57926275305113,"endHours":19.085347048309192,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.32926275305113,"endHours":20.07926275305113,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:55","startHours":24.101383773747944,"endHours":24.91111864616084,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:26","end":"07:57","startHours":6.433239666857651,"endHours":7.951492552631835,"quality":"neutral"},{"name":"Labha","start":"07:57","end":"09:28","startHours":7.951492552631835,"endHours":9.46974543840602,"quality":"auspicious"},{"name":"Amṛta","start":"09:28","end":"10:59","startHours":9.46974543840602,"endHours":10.987998324180204,"quality":"auspicious"},{"name":"Kāla","start":"10:59","end":"12:30","startHours":10.987998324180204,"endHours":12.506251209954389,"quality":"inauspicious"},{"name":"Śubha","start":"12:30","end":"14:01","startHours":12.506251209954389,"endHours":14.024504095728574,"quality":"auspicious"},{"name":"Roga","start":"14:01","end":"15:33","startHours":14.024504095728574,"endHours":15.542756981502759,"quality":"inauspicious"},{"name":"Udveg","start":"15:33","end":"17:04","startHours":15.542756981502759,"endHours":17.061009867276944,"quality":"inauspicious"},{"name":"Chala","start":"17:04","end":"18:35","startHours":17.061009867276944,"endHours":18.57926275305113,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:35","end":"20:04","startHours":18.57926275305113,"endHours":20.061009867276944,"quality":"inauspicious"},{"name":"Udveg","start":"20:04","end":"21:33","startHours":20.061009867276944,"endHours":21.54275698150276,"quality":"inauspicious"},{"name":"Chala","start":"21:33","end":"23:01","startHours":21.54275698150276,"endHours":23.024504095728574,"quality":"neutral"},{"name":"Labha","start":"23:01","end":"00:30","startHours":23.024504095728574,"endHours":24.506251209954392,"quality":"auspicious"},{"name":"Amṛta","start":"00:30","end":"01:59","startHours":24.506251209954392,"endHours":25.987998324180204,"quality":"auspicious"},{"name":"Kāla","start":"01:59","end":"03:28","startHours":25.987998324180204,"endHours":27.469745438406022,"quality":"inauspicious"},{"name":"Śubha","start":"03:28","end":"04:57","startHours":27.469745438406022,"endHours":28.951492552631837,"quality":"auspicious"},{"name":"Roga","start":"04:57","end":"06:26","startHours":28.951492552631837,"endHours":30.433239666857652,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.433239666857651,"endHours":7.433239666857651,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.433239666857651,"endHours":8.433239666857652,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.433239666857652,"endHours":9.433239666857652,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.433239666857652,"endHours":10.433239666857652,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.433239666857652,"endHours":11.433239666857652,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.433239666857652,"endHours":12.433239666857652,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.433239666857652,"endHours":13.433239666857652,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.433239666857652,"endHours":14.433239666857652,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.433239666857652,"endHours":15.433239666857652,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.433239666857652,"endHours":16.433239666857652,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.433239666857652,"endHours":17.433239666857652,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.433239666857652,"endHours":18.433239666857652,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.433239666857652,"endHours":19.433239666857652,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.433239666857652,"endHours":20.433239666857652,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.433239666857652,"endHours":21.433239666857652,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.433239666857652,"endHours":22.433239666857652,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.433239666857652,"endHours":23.433239666857652,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.433239666857652,"endHours":24.433239666857652,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.433239666857652,"endHours":25.433239666857652,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.433239666857652,"endHours":26.433239666857652,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.433239666857652,"endHours":27.433239666857652,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.433239666857652,"endHours":28.433239666857652,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.433239666857652,"endHours":29.433239666857652,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.433239666857652,"endHours":30.433239666857652,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.6107878652104592,"eotMinutes":7.712527402736593,"ayanamsa":24.0307}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"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":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"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":[]},"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 21, 2012 CE · Thane, Maharashtra · Vidhyamitra","description":"September 21, 2012 CE for Thane, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 06:26, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2012-09-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2012-09-21","sa":"https://sa.vidhyamitra.com/city/thane/2012-09-21","hi":"https://hi.vidhyamitra.com/city/thane/2012-09-21","x-default":"https://vidhyamitra.com/city/thane/2012-09-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T22:57:34.175Z","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":"2026-05-30T22:57:34.175Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T22:57:34.175Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}