{"id":"vidhyamitra:city-day:ujjain:2148-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/2148-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2148-12-13","date_display":"December 13, 2148 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":2148,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505947.770833,"kali_year":5250,"ahargana":1917482.2708,"sun":{"sidereal_longitude":234.7176,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":256.561,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.8434,"elapsed_within_tithi_degrees":9.8434},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.561,"elapsed_within_degrees":3.2277},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.2787},"karana":{"half_tithi_index":3,"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":2148,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505947.770833,"ahargana":1917482.2708,"kali_year":5250,"ayanamsa_lahiri":25.9337,"grahas":{"sun":{"sidereal_longitude":235.49082499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":256.948225,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":1.9711},"mars":{"sidereal_longitude":40.87352499999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":251.21212500000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":210.10642499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":218.04072500000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":41.92382500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":102.5617,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.5617,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":2148,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505947.770833,"kali_year":5250,"ahargana":1917482.2708,"sun":{"sidereal_longitude":234.7176,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":256.561,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.8434,"elapsed_within_tithi_degrees":9.8434},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.561,"elapsed_within_degrees":3.2277},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.2787},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.971,"elongation":21.843},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.971,"opposition_distance":158.157}},"eclipse_window_40days":[]},"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:00","sunsetLocal":"17:44","solarNoonLocal":"12:22","dayLengthHours":10.726510067192494,"dayLengthDisplay":"10 Hours 43 Mins 35 Secs","nightLengthDisplay":"13 Hours 16 Mins 25 Secs","moonriseLocal":"08:26","moonsetLocal":"19:09","rahuKala":{"name":"Rāhu Kāla","start":"11:01","end":"12:22","startHours":11.021775404110638,"endHours":12.3625891625097,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:03","end":"16:23","startHours":15.044216679307823,"endHours":16.385030437706884,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:20","end":"09:41","startHours":8.340147887312513,"endHours":9.680961645711575,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.502186477925033,"endHours":9.859736813498117,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.4462720483798055,"endHours":7.732312316838272,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":12.005038826936614,"endHours":12.720139498082782,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:17","startHours":5.569132786621119,"endHours":6.284233457767286,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"07:00","startHours":6.105458289980744,"endHours":6.999334128913452,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.150340840375115,"endHours":14.865441511521281,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.525844196105947,"endHours":17.925844196105945,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:10","startHours":17.725844196105946,"endHours":18.1727821155723,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.475844196105946,"endHours":19.225844196105946,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":24.005038826936616,"endHours":24.720139498082784,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:00","end":"08:20","startHours":6.999334128913452,"endHours":8.340147887312513,"quality":"neutral"},{"name":"Labha","start":"08:20","end":"09:41","startHours":8.340147887312513,"endHours":9.680961645711575,"quality":"auspicious"},{"name":"Amṛta","start":"09:41","end":"11:01","startHours":9.680961645711575,"endHours":11.021775404110638,"quality":"auspicious"},{"name":"Kāla","start":"11:01","end":"12:22","startHours":11.021775404110638,"endHours":12.3625891625097,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:42","startHours":12.3625891625097,"endHours":13.703402920908761,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"15:03","startHours":13.703402920908761,"endHours":15.044216679307823,"quality":"inauspicious"},{"name":"Udveg","start":"15:03","end":"16:23","startHours":15.044216679307823,"endHours":16.385030437706884,"quality":"inauspicious"},{"name":"Chala","start":"16:23","end":"17:44","startHours":16.385030437706884,"endHours":17.725844196105946,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:44","end":"19:23","startHours":17.725844196105946,"endHours":19.385030437706884,"quality":"inauspicious"},{"name":"Udveg","start":"19:23","end":"21:03","startHours":19.385030437706884,"endHours":21.044216679307823,"quality":"inauspicious"},{"name":"Chala","start":"21:03","end":"22:42","startHours":21.044216679307823,"endHours":22.70340292090876,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:22","startHours":22.70340292090876,"endHours":24.3625891625097,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"02:01","startHours":24.3625891625097,"endHours":26.021775404110635,"quality":"auspicious"},{"name":"Kāla","start":"02:01","end":"03:41","startHours":26.021775404110635,"endHours":27.680961645711577,"quality":"inauspicious"},{"name":"Śubha","start":"03:41","end":"05:20","startHours":27.680961645711577,"endHours":29.34014788731251,"quality":"auspicious"},{"name":"Roga","start":"05:20","end":"07:00","startHours":29.34014788731251,"endHours":30.999334128913453,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.999334128913452,"endHours":7.999334128913452,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.999334128913452,"endHours":8.999334128913452,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.999334128913452,"endHours":9.999334128913452,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.999334128913452,"endHours":10.999334128913452,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.999334128913452,"endHours":11.999334128913452,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.999334128913452,"endHours":12.999334128913452,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.999334128913452,"endHours":13.999334128913452,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.999334128913452,"endHours":14.999334128913452,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.999334128913452,"endHours":15.999334128913452,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.999334128913452,"endHours":16.999334128913453,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.999334128913453,"endHours":17.999334128913453,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.999334128913453,"endHours":18.999334128913453,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.999334128913453,"endHours":19.999334128913453,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.999334128913453,"endHours":20.999334128913453,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.999334128913453,"endHours":21.999334128913453,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.999334128913453,"endHours":22.999334128913453,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.999334128913453,"endHours":23.999334128913453,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.999334128913453,"endHours":24.999334128913453,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.999334128913453,"endHours":25.999334128913453,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.999334128913453,"endHours":26.999334128913453,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.999334128913453,"endHours":27.999334128913453,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.999334128913453,"endHours":28.999334128913453,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.999334128913453,"endHours":29.999334128913453,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.999334128913453,"endHours":30.999334128913453,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","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":-23.15911475114844,"eotMinutes":5.090650249418121,"ayanamsa":25.9337}},"calendars":{"vikram_samvat":2205,"vikram_samvatsara":"Durmati","saka_samvat":2070,"saka_samvatsara":"Kīlaka","bengali_samvat":1555,"malayalam_era":1324,"nanakshahi_year":679,"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 Dvitīyā · Vikram 2205 Durmati · Śaka 2070 Kīlaka"},"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":"ujjain"},"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, 2148 CE · Ujjain · Vidhyamitra","description":"December 13, 2148 CE for Ujjain: Śukla Dvitīyā, sūryodaya 07:00, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/2148-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/2148-12-13","sa":"https://sa.vidhyamitra.com/city/ujjain/2148-12-13","hi":"https://hi.vidhyamitra.com/city/ujjain/2148-12-13","x-default":"https://vidhyamitra.com/city/ujjain/2148-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T08:52:20.581Z","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":"2026-08-10T08:52:20.581Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T08:52:20.581Z","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"}}}