{"id":"vidhyamitra:city-day:badrinath:2029-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/2029-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2029-12-18","date_display":"December 18, 2029 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":2029,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462488.770833,"kali_year":5131,"ahargana":1874023.2708,"sun":{"sidereal_longitude":241.6845,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":28.1799,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4954,"elapsed_within_tithi_degrees":2.4954},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":28.1799,"elapsed_within_degrees":1.5132},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.8644},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2029,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462488.770833,"ahargana":1874023.2708,"kali_year":5131,"ayanamsa_lahiri":24.2716,"grahas":{"sun":{"sidereal_longitude":242.11647799999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":30.02337799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":2.7095},"mars":{"sidereal_longitude":279.07017799999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":261.709878,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":203.78627800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":269.30247800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":24.660577999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":245.2287,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.2287,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":2029,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462488.770833,"kali_year":5131,"ahargana":1874023.2708,"sun":{"sidereal_longitude":241.6845,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":28.1799,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4954,"elapsed_within_tithi_degrees":2.4954},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":28.1799,"elapsed_within_degrees":1.5132},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.8644},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.709,"elongation":146.495},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.709,"opposition_distance":33.505}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":-0.064,"opposition_distance":1.118},{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":1.192,"elongation":0.543}]},"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"tier2":{"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"sunriseLocal":"07:04","sunsetLocal":"17:14","solarNoonLocal":"12:09","dayLengthHours":10.15793053411096,"dayLengthDisplay":"10 Hours 09 Mins 29 Secs","nightLengthDisplay":"13 Hours 50 Mins 31 Secs","moonriseLocal":"15:11","moonsetLocal":"04:51","rahuKala":{"name":"Rāhu Kāla","start":"14:42","end":"15:58","startHours":14.693433844392054,"endHours":15.963175161155924,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:37","end":"10:53","startHours":9.614468577336574,"endHours":10.884209894100444,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:09","end":"13:25","startHours":12.153951210864314,"endHours":13.423692527628184,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:47","startHours":9.445169735101391,"endHours":9.783767419571758,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:46","startHours":7.4982330493967915,"endHours":7.769111196973084,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:30","startHours":11.815353526393949,"endHours":12.492548895334679,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:24","startHours":5.720595205927373,"endHours":6.397790574868104,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:04","startHours":6.228491732632921,"endHours":7.0749859438088345,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:31","startHours":13.846939633216142,"endHours":14.524135002156873,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.032916477919795,"endHours":17.432916477919793,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:39","startHours":17.232916477919794,"endHours":17.65616358350775,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.982916477919794,"endHours":18.732916477919794,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:30","startHours":23.81535352639395,"endHours":24.49254889533468,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:04","end":"08:21","startHours":7.0749859438088345,"endHours":8.344727260572704,"quality":"inauspicious"},{"name":"Udveg","start":"08:21","end":"09:37","startHours":8.344727260572704,"endHours":9.614468577336574,"quality":"inauspicious"},{"name":"Chala","start":"09:37","end":"10:53","startHours":9.614468577336574,"endHours":10.884209894100444,"quality":"neutral"},{"name":"Labha","start":"10:53","end":"12:09","startHours":10.884209894100444,"endHours":12.153951210864314,"quality":"auspicious"},{"name":"Amṛta","start":"12:09","end":"13:25","startHours":12.153951210864314,"endHours":13.423692527628184,"quality":"auspicious"},{"name":"Kāla","start":"13:25","end":"14:42","startHours":13.423692527628184,"endHours":14.693433844392054,"quality":"inauspicious"},{"name":"Śubha","start":"14:42","end":"15:58","startHours":14.693433844392054,"endHours":15.963175161155924,"quality":"auspicious"},{"name":"Roga","start":"15:58","end":"17:14","startHours":15.963175161155924,"endHours":17.232916477919794,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:14","end":"18:58","startHours":17.232916477919794,"endHours":18.963175161155924,"quality":"inauspicious"},{"name":"Śubha","start":"18:58","end":"20:42","startHours":18.963175161155924,"endHours":20.693433844392054,"quality":"auspicious"},{"name":"Roga","start":"20:42","end":"22:25","startHours":20.693433844392054,"endHours":22.423692527628184,"quality":"inauspicious"},{"name":"Udveg","start":"22:25","end":"00:09","startHours":22.423692527628184,"endHours":24.153951210864314,"quality":"inauspicious"},{"name":"Chala","start":"00:09","end":"01:53","startHours":24.153951210864314,"endHours":25.884209894100444,"quality":"neutral"},{"name":"Labha","start":"01:53","end":"03:37","startHours":25.884209894100444,"endHours":27.614468577336574,"quality":"auspicious"},{"name":"Amṛta","start":"03:37","end":"05:21","startHours":27.614468577336574,"endHours":29.344727260572704,"quality":"auspicious"},{"name":"Kāla","start":"05:21","end":"07:04","startHours":29.344727260572704,"endHours":31.074985943808834,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.0749859438088345,"endHours":8.074985943808834,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.074985943808834,"endHours":9.074985943808834,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.074985943808834,"endHours":10.074985943808834,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.074985943808834,"endHours":11.074985943808834,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.074985943808834,"endHours":12.074985943808834,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.074985943808834,"endHours":13.074985943808834,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.074985943808834,"endHours":14.074985943808834,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.074985943808834,"endHours":15.074985943808834,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.074985943808834,"endHours":16.074985943808834,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.074985943808834,"endHours":17.074985943808834,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.074985943808834,"endHours":18.074985943808834,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.074985943808834,"endHours":19.074985943808834,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.074985943808834,"endHours":20.074985943808834,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.074985943808834,"endHours":21.074985943808834,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.074985943808834,"endHours":22.074985943808834,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.074985943808834,"endHours":23.074985943808834,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.074985943808834,"endHours":24.074985943808834,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.074985943808834,"endHours":25.074985943808834,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.074985943808834,"endHours":26.074985943808834,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.074985943808834,"endHours":27.074985943808834,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.074985943808834,"endHours":28.074985943808834,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.074985943808834,"endHours":29.074985943808834,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.074985943808834,"endHours":30.074985943808834,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.074985943808834,"endHours":31.074985943808834,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.387173128312998,"eotMinutes":2.787727348141232,"ayanamsa":24.2716}},"calendars":{"vikram_samvat":2086,"vikram_samvatsara":"Dundubhi","saka_samvat":1951,"saka_samvatsara":"Saumya","bengali_samvat":1436,"malayalam_era":1205,"nanakshahi_year":560,"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 Trayodaśī · Vikram 2086 Dundubhi · Śaka 1951 Saumya"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"badrinath"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 18, 2029 CE · Badarīnāth · Vidhyamitra","description":"December 18, 2029 CE for Badarīnāth: Śukla Trayodaśī, sūryodaya 07:04, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/2029-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/2029-12-18","sa":"https://sa.vidhyamitra.com/city/badrinath/2029-12-18","hi":"https://hi.vidhyamitra.com/city/badrinath/2029-12-18","x-default":"https://vidhyamitra.com/city/badrinath/2029-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T12:08:14.031Z","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":"2026-09-11T12:08:14.031Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T12:08:14.031Z","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":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","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"}}}