{"id":"vidhyamitra:city-day:thane:2156-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2156-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-12-17","date_display":"December 17, 2156 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":2156,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508873.770833,"kali_year":5258,"ahargana":1920408.2708,"sun":{"sidereal_longitude":238.7473,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":292.2547,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.5074,"elapsed_within_tithi_degrees":5.5074},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":292.2547,"elapsed_within_degrees":12.2547},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.0021},"karana":{"half_tithi_index":8,"name":"Bava"},"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":2156,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508873.770833,"ahargana":1920408.2708,"kali_year":5258,"ayanamsa_lahiri":26.0456,"grahas":{"sun":{"sidereal_longitude":239.50553000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":294.29483000000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-1.1843},"mars":{"sidereal_longitude":165.46722999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":215.99482999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":104.49442999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":223.50013,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":155.48573,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":307.5282,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":127.5282,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2156,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508873.770833,"kali_year":5258,"ahargana":1920408.2708,"sun":{"sidereal_longitude":238.7473,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":292.2547,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.5074,"elapsed_within_tithi_degrees":5.5074},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":292.2547,"elapsed_within_degrees":12.2547},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.0021},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.184,"elongation":53.507},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.184,"opposition_distance":126.493}},"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":"07:06","sunsetLocal":"18:04","solarNoonLocal":"12:35","dayLengthHours":10.97474644613196,"dayLengthDisplay":"10 Hours 58 Mins 29 Secs","nightLengthDisplay":"13 Hours 01 Mins 31 Secs","moonriseLocal":"10:32","moonsetLocal":"21:56","rahuKala":{"name":"Rāhu Kāla","start":"11:13","end":"12:35","startHours":11.208727212948368,"endHours":12.580570518714861,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:19","end":"16:42","startHours":15.324257130247851,"endHours":16.696100436014348,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:28","end":"09:50","startHours":8.465040601415378,"endHours":9.836883907181871,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.653971466413006,"endHours":10.019796347950738,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.550478397571047,"endHours":7.843138302801233,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"12:57","startHours":12.21474563717713,"endHours":12.946395400252593,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:22","startHours":5.629897769497955,"endHours":6.361547532573418,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:06","startHours":6.178635091804552,"endHours":7.093197295648882,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:08","startHours":14.409694926403521,"endHours":15.141344689478984,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.86794374178084,"endHours":18.26794374178084,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:32","startHours":18.06794374178084,"endHours":18.525224843703008,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.81794374178084,"endHours":19.56794374178084,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"00:57","startHours":24.214745637177128,"endHours":24.946395400252594,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:06","end":"08:28","startHours":7.093197295648882,"endHours":8.465040601415378,"quality":"neutral"},{"name":"Labha","start":"08:28","end":"09:50","startHours":8.465040601415378,"endHours":9.836883907181871,"quality":"auspicious"},{"name":"Amṛta","start":"09:50","end":"11:13","startHours":9.836883907181871,"endHours":11.208727212948368,"quality":"auspicious"},{"name":"Kāla","start":"11:13","end":"12:35","startHours":11.208727212948368,"endHours":12.580570518714861,"quality":"inauspicious"},{"name":"Śubha","start":"12:35","end":"13:57","startHours":12.580570518714861,"endHours":13.952413824481358,"quality":"auspicious"},{"name":"Roga","start":"13:57","end":"15:19","startHours":13.952413824481358,"endHours":15.324257130247851,"quality":"inauspicious"},{"name":"Udveg","start":"15:19","end":"16:42","startHours":15.324257130247851,"endHours":16.696100436014348,"quality":"inauspicious"},{"name":"Chala","start":"16:42","end":"18:04","startHours":16.696100436014348,"endHours":18.06794374178084,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:04","end":"19:42","startHours":18.06794374178084,"endHours":19.696100436014348,"quality":"inauspicious"},{"name":"Udveg","start":"19:42","end":"21:19","startHours":19.696100436014348,"endHours":21.32425713024785,"quality":"inauspicious"},{"name":"Chala","start":"21:19","end":"22:57","startHours":21.32425713024785,"endHours":22.952413824481354,"quality":"neutral"},{"name":"Labha","start":"22:57","end":"00:35","startHours":22.952413824481354,"endHours":24.58057051871486,"quality":"auspicious"},{"name":"Amṛta","start":"00:35","end":"02:13","startHours":24.58057051871486,"endHours":26.208727212948368,"quality":"auspicious"},{"name":"Kāla","start":"02:13","end":"03:50","startHours":26.208727212948368,"endHours":27.83688390718187,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:28","startHours":27.83688390718187,"endHours":29.465040601415375,"quality":"auspicious"},{"name":"Roga","start":"05:28","end":"07:06","startHours":29.465040601415375,"endHours":31.09319729564888,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.093197295648882,"endHours":8.093197295648881,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.093197295648881,"endHours":9.093197295648881,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.093197295648881,"endHours":10.093197295648881,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.093197295648881,"endHours":11.093197295648881,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.093197295648881,"endHours":12.093197295648881,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.093197295648881,"endHours":13.093197295648881,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.093197295648881,"endHours":14.093197295648881,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.093197295648881,"endHours":15.093197295648881,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.093197295648881,"endHours":16.09319729564888,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09319729564888,"endHours":17.09319729564888,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09319729564888,"endHours":18.09319729564888,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09319729564888,"endHours":19.09319729564888,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09319729564888,"endHours":20.09319729564888,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09319729564888,"endHours":21.09319729564888,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09319729564888,"endHours":22.09319729564888,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09319729564888,"endHours":23.09319729564888,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09319729564888,"endHours":24.09319729564888,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09319729564888,"endHours":25.09319729564888,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09319729564888,"endHours":26.09319729564888,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09319729564888,"endHours":27.09319729564888,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09319729564888,"endHours":28.09319729564888,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09319729564888,"endHours":29.09319729564888,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09319729564888,"endHours":30.09319729564888,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09319729564888,"endHours":31.09319729564888,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.3616847554329,"eotMinutes":3.253368877108411,"ayanamsa":26.0456}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 2213 Śukla · Śaka 2078 Nala"},"festivals":[],"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 December 17, 2156 CE · Thane, Maharashtra · Vidhyamitra","description":"December 17, 2156 CE for Thane, Maharashtra: Śukla Pañcamī, sūryodaya 07:06, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2156-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2156-12-17","sa":"https://sa.vidhyamitra.com/city/thane/2156-12-17","hi":"https://hi.vidhyamitra.com/city/thane/2156-12-17","x-default":"https://vidhyamitra.com/city/thane/2156-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:01:25.698Z","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":"2026-06-02T04:01:25.698Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:01:25.698Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}