{"id":"vidhyamitra:city-day:thane:2180-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2180-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-12-27","date_display":"December 27, 2180 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":2180,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517649.770833,"kali_year":5282,"ahargana":1929184.2708,"sun":{"sidereal_longitude":248.8005,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":12.3695,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":123.5689,"elapsed_within_tithi_degrees":3.5689},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.3695,"elapsed_within_degrees":12.3695},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.17},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2180,"month":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517649.770833,"ahargana":1929184.2708,"kali_year":5282,"ayanamsa_lahiri":26.3813,"grahas":{"sun":{"sidereal_longitude":249.527422,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":15.19032199999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":0.7933},"mars":{"sidereal_longitude":49.17012199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":264.574922,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":113.237122,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":237.43032199999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":79.64162199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":202.5334,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.5334,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2180,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517649.770833,"kali_year":5282,"ahargana":1929184.2708,"sun":{"sidereal_longitude":248.8005,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":12.3695,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":123.5689,"elapsed_within_tithi_degrees":3.5689},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.3695,"elapsed_within_degrees":12.3695},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.17},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.793,"elongation":123.569},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.793,"opposition_distance":56.431}},"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":"07:10","sunsetLocal":"18:09","solarNoonLocal":"12:40","dayLengthHours":10.977865857690855,"dayLengthDisplay":"10 Hours 58 Mins 40 Secs","nightLengthDisplay":"13 Hours 01 Mins 20 Secs","moonriseLocal":"14:38","moonsetLocal":"03:27","rahuKala":{"name":"Rāhu Kāla","start":"12:40","end":"14:02","startHours":12.658538435257185,"endHours":14.030771667468542,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:33","end":"09:55","startHours":8.541838738623113,"endHours":9.91407197083447,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:17","end":"12:40","startHours":11.286305203045828,"endHours":12.658538435257185,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:06","startHours":9.731107539872957,"endHours":10.097036401795984,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.627016583815543,"endHours":7.9197596733539655,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:01","startHours":12.292609573334154,"endHours":13.024467297180212,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:26","startHours":5.705890058719643,"endHours":6.4377477825657,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:10","startHours":6.2547833516041855,"endHours":7.169605506411757,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:13","startHours":14.488182744872326,"endHours":15.220040468718382,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.94747136410261,"endHours":18.34747136410261,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:36","startHours":18.14747136410261,"endHours":18.604882441506398,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.89747136410261,"endHours":19.64747136410261,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:01","startHours":24.292609573334158,"endHours":25.024467297180212,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:10","end":"08:33","startHours":7.169605506411757,"endHours":8.541838738623113,"quality":"auspicious"},{"name":"Amṛta","start":"08:33","end":"09:55","startHours":8.541838738623113,"endHours":9.91407197083447,"quality":"auspicious"},{"name":"Kāla","start":"09:55","end":"11:17","startHours":9.91407197083447,"endHours":11.286305203045828,"quality":"inauspicious"},{"name":"Śubha","start":"11:17","end":"12:40","startHours":11.286305203045828,"endHours":12.658538435257185,"quality":"auspicious"},{"name":"Roga","start":"12:40","end":"14:02","startHours":12.658538435257185,"endHours":14.030771667468542,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:24","startHours":14.030771667468542,"endHours":15.403004899679896,"quality":"inauspicious"},{"name":"Chala","start":"15:24","end":"16:47","startHours":15.403004899679896,"endHours":16.775238131891253,"quality":"neutral"},{"name":"Labha","start":"16:47","end":"18:09","startHours":16.775238131891253,"endHours":18.14747136410261,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:09","end":"19:47","startHours":18.14747136410261,"endHours":19.775238131891253,"quality":"inauspicious"},{"name":"Chala","start":"19:47","end":"21:24","startHours":19.775238131891253,"endHours":21.403004899679896,"quality":"neutral"},{"name":"Labha","start":"21:24","end":"23:02","startHours":21.403004899679896,"endHours":23.030771667468542,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:40","startHours":23.030771667468542,"endHours":24.658538435257185,"quality":"auspicious"},{"name":"Kāla","start":"00:40","end":"02:17","startHours":24.658538435257185,"endHours":26.286305203045828,"quality":"inauspicious"},{"name":"Śubha","start":"02:17","end":"03:55","startHours":26.286305203045828,"endHours":27.91407197083447,"quality":"auspicious"},{"name":"Roga","start":"03:55","end":"05:33","startHours":27.91407197083447,"endHours":29.541838738623113,"quality":"inauspicious"},{"name":"Udveg","start":"05:33","end":"07:10","startHours":29.541838738623113,"endHours":31.169605506411756,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.169605506411757,"endHours":8.169605506411756,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.169605506411756,"endHours":9.169605506411756,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.169605506411756,"endHours":10.169605506411756,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.169605506411756,"endHours":11.169605506411756,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.169605506411756,"endHours":12.169605506411756,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.169605506411756,"endHours":13.169605506411756,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.169605506411756,"endHours":14.169605506411756,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.169605506411756,"endHours":15.169605506411756,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.169605506411756,"endHours":16.169605506411756,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.169605506411756,"endHours":17.169605506411756,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.169605506411756,"endHours":18.169605506411756,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.169605506411756,"endHours":19.169605506411756,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.169605506411756,"endHours":20.169605506411756,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.169605506411756,"endHours":21.169605506411756,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.169605506411756,"endHours":22.169605506411756,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.169605506411756,"endHours":23.169605506411756,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.169605506411756,"endHours":24.169605506411756,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.169605506411756,"endHours":25.169605506411756,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.169605506411756,"endHours":26.169605506411756,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.169605506411756,"endHours":27.169605506411756,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.169605506411756,"endHours":28.169605506411756,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.169605506411756,"endHours":29.169605506411756,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.169605506411756,"endHours":30.169605506411756,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.169605506411756,"endHours":31.169605506411756,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.30460826264075,"eotMinutes":-1.4247061154310068,"ayanamsa":26.3813}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ekādaśī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"gita-jayanti","name":"Gītā Jayantī (= Mokṣadā Ekādaśī)","name_sanskrit":"गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad-Gītā speaker)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra (Mahābhārata Day 1).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavad Gītā delivered at Kurukṣetra (Mahābhārata Day 1)","date_julian":"-3137-10-04","location":"Kurukṣetra"},"sources":["Bhagavad Gītā (Mahābhārata, Bhīṣma Parva)"]},{"id":"vaikuntha-ekadashi","name":"Vaikuṇṭha Ekādaśī","name_sanskrit":"वैकुण्ठ एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Most sacred Ekādaśī of the year; 'Vaikuṇṭha-dvāram udghaṭitam'.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2},{"id":"mokshada-ekadashi","name":"Mokṣadā Ekādaśī (Gītā Jayantī)","name_sanskrit":"मोक्षदा एकादशी / गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad Gītā delivery)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 December 27, 2180 CE · Thane, Maharashtra · Vidhyamitra","description":"December 27, 2180 CE for Thane, Maharashtra: Śukla Ekādaśī, sūryodaya 07:10, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2180-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2180-12-27","sa":"https://sa.vidhyamitra.com/city/thane/2180-12-27","hi":"https://hi.vidhyamitra.com/city/thane/2180-12-27","x-default":"https://vidhyamitra.com/city/thane/2180-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T14:50:56.846Z","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":"2026-06-02T14:50:56.846Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T14:50:56.846Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}