{"id":"vidhyamitra:city-day:badrinath:2025-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/2025-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-12-13","date_display":"December 13, 2025 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":2025,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461022.770833,"kali_year":5127,"ahargana":1872557.2708,"sun":{"sidereal_longitude":236.5905,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":157.1925,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.6019,"elapsed_within_tithi_degrees":4.6019},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.1925,"elapsed_within_degrees":10.5258},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.783},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2025,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461022.770833,"ahargana":1872557.2708,"kali_year":5127,"ayanamsa_lahiri":24.2155,"grahas":{"sun":{"sidereal_longitude":237.05609000000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":160.33189000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":-1.1095},"mars":{"sidereal_longitude":243.70369000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":216.67479000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":89.21089,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"venus":{"sidereal_longitude":230.79849000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":331.22419,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":322.9044,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":142.9044,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":"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":2025,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461022.770833,"kali_year":5127,"ahargana":1872557.2708,"sun":{"sidereal_longitude":236.5905,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":157.1925,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.6019,"elapsed_within_tithi_degrees":4.6019},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.1925,"elapsed_within_degrees":10.5258},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.783},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.11,"elongation":79.398},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.11,"opposition_distance":100.602}},"eclipse_window_40days":[]},"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":"07:02","sunsetLocal":"17:12","solarNoonLocal":"12:07","dayLengthHours":10.180695154846441,"dayLengthDisplay":"10 Hours 10 Mins 51 Secs","nightLengthDisplay":"13 Hours 49 Mins 09 Secs","moonriseLocal":"01:02","moonsetLocal":"12:58","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"10:51","startHours":9.570395373798085,"endHours":10.842982268153891,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:23","end":"14:40","startHours":13.388156056865501,"endHours":14.660742951221307,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:02","end":"08:18","startHours":7.025221585086475,"endHours":8.297808479442281,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:44","startHours":9.400717121217312,"endHours":9.740073626378859,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:43","startHours":7.449417216538411,"endHours":7.720902420667649,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:27","startHours":11.776212657348148,"endHours":12.454925667671246,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:21","startHours":5.667795564440283,"endHours":6.346508574763379,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:02","startHours":6.176830322182605,"endHours":7.025221585086475,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:29","startHours":13.812351688317436,"endHours":14.491064698640532,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.005916739932918,"endHours":17.405916739932916,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.205916739932917,"endHours":17.63011237138485,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.955916739932917,"endHours":18.705916739932917,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:27","startHours":23.77621265734815,"endHours":24.454925667671244,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:02","end":"08:18","startHours":7.025221585086475,"endHours":8.297808479442281,"quality":"inauspicious"},{"name":"Śubha","start":"08:18","end":"09:34","startHours":8.297808479442281,"endHours":9.570395373798085,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"10:51","startHours":9.570395373798085,"endHours":10.842982268153891,"quality":"inauspicious"},{"name":"Udveg","start":"10:51","end":"12:07","startHours":10.842982268153891,"endHours":12.115569162509697,"quality":"inauspicious"},{"name":"Chala","start":"12:07","end":"13:23","startHours":12.115569162509697,"endHours":13.388156056865501,"quality":"neutral"},{"name":"Labha","start":"13:23","end":"14:40","startHours":13.388156056865501,"endHours":14.660742951221307,"quality":"auspicious"},{"name":"Amṛta","start":"14:40","end":"15:56","startHours":14.660742951221307,"endHours":15.933329845577111,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:12","startHours":15.933329845577111,"endHours":17.205916739932917,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:12","end":"18:56","startHours":17.205916739932917,"endHours":18.933329845577113,"quality":"auspicious"},{"name":"Amṛta","start":"18:56","end":"20:40","startHours":18.933329845577113,"endHours":20.660742951221305,"quality":"auspicious"},{"name":"Kāla","start":"20:40","end":"22:23","startHours":20.660742951221305,"endHours":22.3881560568655,"quality":"inauspicious"},{"name":"Śubha","start":"22:23","end":"00:07","startHours":22.3881560568655,"endHours":24.115569162509697,"quality":"auspicious"},{"name":"Roga","start":"00:07","end":"01:51","startHours":24.115569162509697,"endHours":25.84298226815389,"quality":"inauspicious"},{"name":"Udveg","start":"01:51","end":"03:34","startHours":25.84298226815389,"endHours":27.570395373798085,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"05:18","startHours":27.570395373798085,"endHours":29.29780847944228,"quality":"neutral"},{"name":"Labha","start":"05:18","end":"07:02","startHours":29.29780847944228,"endHours":31.025221585086477,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.025221585086475,"endHours":8.025221585086475,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.025221585086475,"endHours":9.025221585086475,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.025221585086475,"endHours":10.025221585086475,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.025221585086475,"endHours":11.025221585086475,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.025221585086475,"endHours":12.025221585086475,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.025221585086475,"endHours":13.025221585086475,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.025221585086475,"endHours":14.025221585086475,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.025221585086475,"endHours":15.025221585086475,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.025221585086475,"endHours":16.025221585086477,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.025221585086477,"endHours":17.025221585086477,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.025221585086477,"endHours":18.025221585086477,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.025221585086477,"endHours":19.025221585086477,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.025221585086477,"endHours":20.025221585086477,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.025221585086477,"endHours":21.025221585086477,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.025221585086477,"endHours":22.025221585086477,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.025221585086477,"endHours":23.025221585086477,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.025221585086477,"endHours":24.025221585086477,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.025221585086477,"endHours":25.025221585086477,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.025221585086477,"endHours":26.025221585086477,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.025221585086477,"endHours":27.025221585086477,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.025221585086477,"endHours":28.025221585086477,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.025221585086477,"endHours":29.025221585086477,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.025221585086477,"endHours":30.025221585086477,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.025221585086477,"endHours":31.025221585086477,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","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":-23.149162788358364,"eotMinutes":5.090650249418121,"ayanamsa":24.2155}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Navamī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 13, 2025 CE · Badarīnāth · Vidhyamitra","description":"December 13, 2025 CE for Badarīnāth: Kṛṣṇa Navamī, sūryodaya 07:02, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/2025-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/2025-12-13","sa":"https://sa.vidhyamitra.com/city/badrinath/2025-12-13","hi":"https://hi.vidhyamitra.com/city/badrinath/2025-12-13","x-default":"https://vidhyamitra.com/city/badrinath/2025-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T17:28:15.543Z","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":"2026-09-11T17:28:15.543Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T17:28:15.543Z","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"}}}