{"id":"vidhyamitra:city-day:jamnagar:2013-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2013-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-12-20","date_display":"December 20, 2013 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":2013,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456646.770833,"kali_year":5115,"ahargana":1868181.2708,"sun":{"sidereal_longitude":243.8819,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":95.8474,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":211.9655,"elapsed_within_tithi_degrees":7.9655},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.8474,"elapsed_within_degrees":2.5141},"yoga":{"number":26,"name":"Indra","sum_longitude":339.7293},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":2013,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456646.770833,"ahargana":1868181.2708,"kali_year":5115,"ayanamsa_lahiri":24.0481,"grahas":{"sun":{"sidereal_longitude":244.25718499999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":93.09358499999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-4.4455},"mars":{"sidereal_longitude":161.83058499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":238.856085,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":82.97418499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":274.681285,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":204.89078500000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":194.766,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.766,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2013,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456646.770833,"kali_year":5115,"ahargana":1868181.2708,"sun":{"sidereal_longitude":243.8819,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":95.8474,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":211.9655,"elapsed_within_tithi_degrees":7.9655},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.8474,"elapsed_within_degrees":2.5141},"yoga":{"number":26,"name":"Indra","sum_longitude":339.7293},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.445,"elongation":148.035},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.445,"opposition_distance":31.965}},"eclipse_window_40days":[]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"07:25","sunsetLocal":"18:11","solarNoonLocal":"12:48","dayLengthHours":10.756460846449649,"dayLengthDisplay":"10 Hours 45 Mins 23 Secs","nightLengthDisplay":"13 Hours 14 Mins 37 Secs","moonriseLocal":"20:05","moonsetLocal":"09:22","rahuKala":{"name":"Rāhu Kāla","start":"11:27","end":"12:48","startHours":11.454063768819315,"endHours":12.798621374625522,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:29","end":"16:50","startHours":15.487736586237933,"endHours":16.83229419204414,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:46","end":"10:07","startHours":8.764948557206903,"endHours":10.109506163013108,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:56","end":"10:17","startHours":9.93023181557228,"endHours":10.288780510453936,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:09","startHours":7.868576820002766,"endHours":8.15541577590809,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:26","end":"13:09","startHours":12.440072679743867,"endHours":13.157170069507178,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:42","startHours":5.986196171874077,"endHours":6.703293561637388,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:25","startHours":6.52401921419656,"endHours":7.420390951400697,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:19","startHours":14.591364849033797,"endHours":15.308462238797107,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.976851797850347,"endHours":18.376851797850346,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:38","startHours":18.176851797850347,"endHours":18.625037666452414,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.926851797850347,"endHours":19.676851797850347,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:26","end":"01:09","startHours":24.440072679743867,"endHours":25.157170069507178,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:25","end":"08:46","startHours":7.420390951400697,"endHours":8.764948557206903,"quality":"neutral"},{"name":"Labha","start":"08:46","end":"10:07","startHours":8.764948557206903,"endHours":10.109506163013108,"quality":"auspicious"},{"name":"Amṛta","start":"10:07","end":"11:27","startHours":10.109506163013108,"endHours":11.454063768819315,"quality":"auspicious"},{"name":"Kāla","start":"11:27","end":"12:48","startHours":11.454063768819315,"endHours":12.798621374625522,"quality":"inauspicious"},{"name":"Śubha","start":"12:48","end":"14:09","startHours":12.798621374625522,"endHours":14.143178980431728,"quality":"auspicious"},{"name":"Roga","start":"14:09","end":"15:29","startHours":14.143178980431728,"endHours":15.487736586237933,"quality":"inauspicious"},{"name":"Udveg","start":"15:29","end":"16:50","startHours":15.487736586237933,"endHours":16.83229419204414,"quality":"inauspicious"},{"name":"Chala","start":"16:50","end":"18:11","startHours":16.83229419204414,"endHours":18.176851797850347,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:11","end":"19:50","startHours":18.176851797850347,"endHours":19.83229419204414,"quality":"inauspicious"},{"name":"Udveg","start":"19:50","end":"21:29","startHours":19.83229419204414,"endHours":21.487736586237936,"quality":"inauspicious"},{"name":"Chala","start":"21:29","end":"23:09","startHours":21.487736586237936,"endHours":23.143178980431728,"quality":"neutral"},{"name":"Labha","start":"23:09","end":"00:48","startHours":23.143178980431728,"endHours":24.798621374625522,"quality":"auspicious"},{"name":"Amṛta","start":"00:48","end":"02:27","startHours":24.798621374625522,"endHours":26.454063768819317,"quality":"auspicious"},{"name":"Kāla","start":"02:27","end":"04:07","startHours":26.454063768819317,"endHours":28.10950616301311,"quality":"inauspicious"},{"name":"Śubha","start":"04:07","end":"05:46","startHours":28.10950616301311,"endHours":29.764948557206903,"quality":"auspicious"},{"name":"Roga","start":"05:46","end":"07:25","startHours":29.764948557206903,"endHours":31.420390951400698,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.420390951400697,"endHours":8.420390951400698,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.420390951400698,"endHours":9.420390951400698,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.420390951400698,"endHours":10.420390951400698,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.420390951400698,"endHours":11.420390951400698,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.420390951400698,"endHours":12.420390951400698,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.420390951400698,"endHours":13.420390951400698,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.420390951400698,"endHours":14.420390951400698,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.420390951400698,"endHours":15.420390951400698,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.420390951400698,"endHours":16.420390951400698,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.420390951400698,"endHours":17.420390951400698,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.420390951400698,"endHours":18.420390951400698,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.420390951400698,"endHours":19.420390951400698,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.420390951400698,"endHours":20.420390951400698,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.420390951400698,"endHours":21.420390951400698,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.420390951400698,"endHours":22.420390951400698,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.420390951400698,"endHours":23.420390951400698,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.420390951400698,"endHours":24.420390951400698,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.420390951400698,"endHours":25.420390951400698,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.420390951400698,"endHours":26.420390951400698,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.420390951400698,"endHours":27.420390951400698,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.420390951400698,"endHours":28.420390951400698,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.420390951400698,"endHours":29.420390951400698,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.420390951400698,"endHours":30.420390951400698,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.420390951400698,"endHours":31.420390951400698,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","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":-23.42563635677555,"eotMinutes":1.851917522468745,"ayanamsa":24.0481}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"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":"jamnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 20, 2013 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 20, 2013 CE for Jamnagar, Gujarat: Kṛṣṇa Tṛtīyā, sūryodaya 07:25, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2013-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2013-12-20","sa":"https://sa.vidhyamitra.com/city/jamnagar/2013-12-20","hi":"https://hi.vidhyamitra.com/city/jamnagar/2013-12-20","x-default":"https://vidhyamitra.com/city/jamnagar/2013-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-21T21:28:08.543Z","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":"2026-09-21T21:28:08.543Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-21T21:28:08.543Z","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"}}}