{"id":"vidhyamitra:city-day:thane:2107-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2107-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-12-13","date_display":"December 13, 2107 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":2107,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490971.770833,"kali_year":5209,"ahargana":1902506.2708,"sun":{"sidereal_longitude":234.317,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":218.3253,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.0083,"elapsed_within_tithi_degrees":8.0083},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.3253,"elapsed_within_degrees":4.992},"yoga":{"number":7,"name":"Sukarma","sum_longitude":92.6422},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2107,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490971.770833,"ahargana":1902506.2708,"kali_year":5209,"ayanamsa_lahiri":25.3609,"grahas":{"sun":{"sidereal_longitude":234.99611800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":217.51781800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":3.0247},"mars":{"sidereal_longitude":150.33141799999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":246.01551799999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":49.05821800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":269.57341799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":260.28811799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":176.0623,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":356.0623,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2107,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490971.770833,"kali_year":5209,"ahargana":1902506.2708,"sun":{"sidereal_longitude":234.317,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":218.3253,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.0083,"elapsed_within_tithi_degrees":8.0083},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.3253,"elapsed_within_degrees":4.992},"yoga":{"number":7,"name":"Sukarma","sum_longitude":92.6422},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.025,"elongation":15.992},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.025,"opposition_distance":164.008}},"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":"07:03","sunsetLocal":"18:03","solarNoonLocal":"12:33","dayLengthHours":10.989787038341502,"dayLengthDisplay":"10 Hours 59 Mins 23 Secs","nightLengthDisplay":"13 Hours 00 Mins 37 Secs","moonriseLocal":"05:51","moonsetLocal":"16:55","rahuKala":{"name":"Rāhu Kāla","start":"15:18","end":"16:40","startHours":15.297395922095074,"endHours":16.671119301887764,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:48","end":"11:11","startHours":9.802502402924324,"endHours":11.176225782717012,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:33","end":"13:55","startHours":12.549949162509698,"endHours":13.923672542302388,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:59","startHours":9.619339285618631,"endHours":9.985665520230015,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:48","startHours":7.512963436603177,"endHours":7.806024424292284,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:55","startHours":12.183622927898314,"endHours":12.916275397121082,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:19","startHours":5.589750704893414,"endHours":6.322403174116181,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:03","startHours":6.13924005681049,"endHours":7.055055643338948,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:07","startHours":14.381580335566616,"endHours":15.114232804789383,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84484268168045,"endHours":18.24484268168045,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:30","startHours":18.04484268168045,"endHours":18.50275047494468,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.79484268168045,"endHours":19.54484268168045,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:55","startHours":24.183622927898316,"endHours":24.91627539712108,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:03","end":"08:26","startHours":7.055055643338948,"endHours":8.428779023131636,"quality":"inauspicious"},{"name":"Udveg","start":"08:26","end":"09:48","startHours":8.428779023131636,"endHours":9.802502402924324,"quality":"inauspicious"},{"name":"Chala","start":"09:48","end":"11:11","startHours":9.802502402924324,"endHours":11.176225782717012,"quality":"neutral"},{"name":"Labha","start":"11:11","end":"12:33","startHours":11.176225782717012,"endHours":12.549949162509698,"quality":"auspicious"},{"name":"Amṛta","start":"12:33","end":"13:55","startHours":12.549949162509698,"endHours":13.923672542302388,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:18","startHours":13.923672542302388,"endHours":15.297395922095074,"quality":"inauspicious"},{"name":"Śubha","start":"15:18","end":"16:40","startHours":15.297395922095074,"endHours":16.671119301887764,"quality":"auspicious"},{"name":"Roga","start":"16:40","end":"18:03","startHours":16.671119301887764,"endHours":18.04484268168045,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:03","end":"19:40","startHours":18.04484268168045,"endHours":19.671119301887764,"quality":"inauspicious"},{"name":"Śubha","start":"19:40","end":"21:18","startHours":19.671119301887764,"endHours":21.297395922095074,"quality":"auspicious"},{"name":"Roga","start":"21:18","end":"22:55","startHours":21.297395922095074,"endHours":22.923672542302388,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:33","startHours":22.923672542302388,"endHours":24.549949162509698,"quality":"inauspicious"},{"name":"Chala","start":"00:33","end":"02:11","startHours":24.549949162509698,"endHours":26.17622578271701,"quality":"neutral"},{"name":"Labha","start":"02:11","end":"03:48","startHours":26.17622578271701,"endHours":27.802502402924326,"quality":"auspicious"},{"name":"Amṛta","start":"03:48","end":"05:26","startHours":27.802502402924326,"endHours":29.428779023131636,"quality":"auspicious"},{"name":"Kāla","start":"05:26","end":"07:03","startHours":29.428779023131636,"endHours":31.055055643338946,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.055055643338948,"endHours":8.055055643338948,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.055055643338948,"endHours":9.055055643338948,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.055055643338948,"endHours":10.055055643338948,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.055055643338948,"endHours":11.055055643338948,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.055055643338948,"endHours":12.055055643338948,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.055055643338948,"endHours":13.055055643338948,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.055055643338948,"endHours":14.055055643338948,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.055055643338948,"endHours":15.055055643338948,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.055055643338948,"endHours":16.055055643338946,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.055055643338946,"endHours":17.055055643338946,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.055055643338946,"endHours":18.055055643338946,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.055055643338946,"endHours":19.055055643338946,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.055055643338946,"endHours":20.055055643338946,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.055055643338946,"endHours":21.055055643338946,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.055055643338946,"endHours":22.055055643338946,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.055055643338946,"endHours":23.055055643338946,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.055055643338946,"endHours":24.055055643338946,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.055055643338946,"endHours":25.055055643338946,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.055055643338946,"endHours":26.055055643338946,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.055055643338946,"endHours":27.055055643338946,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.055055643338946,"endHours":28.055055643338946,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.055055643338946,"endHours":29.055055643338946,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.055055643338946,"endHours":30.055055643338946,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.055055643338946,"endHours":31.055055643338946,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.086025617430725,"eotMinutes":5.090650249418121,"ayanamsa":25.3609}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Caturdaśī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 December 13, 2107 CE · Thane, Maharashtra · Vidhyamitra","description":"December 13, 2107 CE for Thane, Maharashtra: Kṛṣṇa Caturdaśī, sūryodaya 07:03, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2107-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2107-12-13","sa":"https://sa.vidhyamitra.com/city/thane/2107-12-13","hi":"https://hi.vidhyamitra.com/city/thane/2107-12-13","x-default":"https://vidhyamitra.com/city/thane/2107-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:46:10.662Z","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":"2026-06-01T05:46:10.662Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:46:10.662Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}