{"id":"vidhyamitra:city-day:durgapur:2026-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/durgapur/2026-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-12-09","date_display":"December 9, 2026 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2026,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461383.770833,"kali_year":5128,"ahargana":1872918.2708,"sun":{"sidereal_longitude":232.2265,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":233.5505,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.324,"elapsed_within_tithi_degrees":1.324},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.5505,"elapsed_within_degrees":6.8838},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.7769},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2026,"month":12,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461383.770833,"ahargana":1872918.2708,"kali_year":5128,"ayanamsa_lahiri":24.2293,"grahas":{"sun":{"sidereal_longitude":232.730497,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":232.80449699999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-4.2342},"mars":{"sidereal_longitude":130.10679700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":219.384997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":122.54719699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":188.580597,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":343.759397,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":303.7769,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":123.7769,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2026,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461383.770833,"kali_year":5128,"ahargana":1872918.2708,"sun":{"sidereal_longitude":232.2265,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":233.5505,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.324,"elapsed_within_tithi_degrees":1.324},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.5505,"elapsed_within_degrees":6.8838},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.7769},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.234,"elongation":1.324},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.234,"opposition_distance":178.676}},"eclipse_window_40days":[]},"city":{"slug":"durgapur","name":"Durgapur, West Bengal","lat":23.5204,"lon":87.3119,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"durgapur","name":"Durgapur, West Bengal","lat":23.5204,"lon":87.3119,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:12","sunsetLocal":"16:56","solarNoonLocal":"11:34","dayLengthHours":10.728007287290165,"dayLengthDisplay":"10 Hours 43 Mins 41 Secs","nightLengthDisplay":"13 Hours 16 Mins 19 Secs","moonriseLocal":"06:14","moonsetLocal":"16:55","rahuKala":{"name":"Rāhu Kāla","start":"11:34","end":"12:54","startHours":11.564758959196649,"endHours":12.905759870107918,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:33","end":"08:53","startHours":7.5417562264628355,"endHours":8.882757137374107,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:13","end":"11:34","startHours":10.223758048285376,"endHours":11.564758959196649,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:04","startHours":8.70395701591927,"endHours":9.061557258828943,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:56","startHours":6.647755619188656,"endHours":6.933835813516394,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:12","end":"11:55","startHours":11.207158716286974,"endHours":11.92235920210632,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:29","startHours":4.770354343912876,"endHours":5.485554829732221,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:12","startHours":5.306754708277385,"endHours":6.200755315551565,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:21","end":"14:04","startHours":13.352760173745008,"endHours":14.067960659564353,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:44","end":"17:08","startHours":16.72876260284173,"endHours":17.12876260284173,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:56","end":"17:23","startHours":16.92876260284173,"endHours":17.37576290647882,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:41","end":"18:26","startHours":16.67876260284173,"endHours":18.42876260284173,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:12","end":"23:55","startHours":23.207158716286973,"endHours":23.922359202106318,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:12","end":"07:33","startHours":6.200755315551565,"endHours":7.5417562264628355,"quality":"auspicious"},{"name":"Amṛta","start":"07:33","end":"08:53","startHours":7.5417562264628355,"endHours":8.882757137374107,"quality":"auspicious"},{"name":"Kāla","start":"08:53","end":"10:13","startHours":8.882757137374107,"endHours":10.223758048285376,"quality":"inauspicious"},{"name":"Śubha","start":"10:13","end":"11:34","startHours":10.223758048285376,"endHours":11.564758959196649,"quality":"auspicious"},{"name":"Roga","start":"11:34","end":"12:54","startHours":11.564758959196649,"endHours":12.905759870107918,"quality":"inauspicious"},{"name":"Udveg","start":"12:54","end":"14:15","startHours":12.905759870107918,"endHours":14.246760781019187,"quality":"inauspicious"},{"name":"Chala","start":"14:15","end":"15:35","startHours":14.246760781019187,"endHours":15.58776169193046,"quality":"neutral"},{"name":"Labha","start":"15:35","end":"16:56","startHours":15.58776169193046,"endHours":16.92876260284173,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"16:56","end":"18:35","startHours":16.92876260284173,"endHours":18.58776169193046,"quality":"inauspicious"},{"name":"Chala","start":"18:35","end":"20:15","startHours":18.58776169193046,"endHours":20.246760781019187,"quality":"neutral"},{"name":"Labha","start":"20:15","end":"21:54","startHours":20.246760781019187,"endHours":21.905759870107918,"quality":"auspicious"},{"name":"Amṛta","start":"21:54","end":"23:34","startHours":21.905759870107918,"endHours":23.564758959196645,"quality":"auspicious"},{"name":"Kāla","start":"23:34","end":"01:13","startHours":23.564758959196645,"endHours":25.223758048285376,"quality":"inauspicious"},{"name":"Śubha","start":"01:13","end":"02:53","startHours":25.223758048285376,"endHours":26.882757137374107,"quality":"auspicious"},{"name":"Roga","start":"02:53","end":"04:33","startHours":26.882757137374107,"endHours":28.541756226462837,"quality":"inauspicious"},{"name":"Udveg","start":"04:33","end":"06:12","startHours":28.541756226462837,"endHours":30.200755315551564,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.200755315551565,"endHours":7.200755315551565,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.200755315551565,"endHours":8.200755315551564,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.200755315551564,"endHours":9.200755315551564,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.200755315551564,"endHours":10.200755315551564,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.200755315551564,"endHours":11.200755315551564,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.200755315551564,"endHours":12.200755315551564,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.200755315551564,"endHours":13.200755315551564,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.200755315551564,"endHours":14.200755315551564,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.200755315551564,"endHours":15.200755315551564,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.200755315551564,"endHours":16.200755315551564,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.200755315551564,"endHours":17.200755315551564,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.200755315551564,"endHours":18.200755315551564,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.200755315551564,"endHours":19.200755315551564,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.200755315551564,"endHours":20.200755315551564,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.200755315551564,"endHours":21.200755315551564,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.200755315551564,"endHours":22.200755315551564,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.200755315551564,"endHours":23.200755315551564,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.200755315551564,"endHours":24.200755315551564,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.200755315551564,"endHours":25.200755315551564,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.200755315551564,"endHours":26.200755315551564,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.200755315551564,"endHours":27.200755315551564,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.200755315551564,"endHours":28.200755315551564,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.200755315551564,"endHours":29.200755315551564,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.200755315551564,"endHours":30.200755315551564,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","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":-22.79752282614817,"eotMinutes":6.866862448201248,"ayanamsa":24.2293}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"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 Pratipada · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[],"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":[]},"validity":{"eternal":false,"location_specific":"durgapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 9, 2026 CE · Durgapur, West Bengal · Vidhyamitra","description":"December 9, 2026 CE for Durgapur, West Bengal: Śukla Pratipada, sūryodaya 06:12, sūryāsta 16:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/durgapur/2026-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/durgapur/2026-12-09","sa":"https://sa.vidhyamitra.com/city/durgapur/2026-12-09","hi":"https://hi.vidhyamitra.com/city/durgapur/2026-12-09","x-default":"https://vidhyamitra.com/city/durgapur/2026-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-06T19:27:58.118Z","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":"2026-08-06T19:27:58.118Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-06T19:27:58.118Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}