{"id":"vidhyamitra:city-day:jamnagar:2107-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2107-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-12-20","date_display":"December 20, 2107 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2107,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490978.770833,"kali_year":5209,"ahargana":1902513.2708,"sun":{"sidereal_longitude":241.4966,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":307.2156,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.7189,"elapsed_within_tithi_degrees":5.7189},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.2156,"elapsed_within_degrees":0.5489},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.7122},"karana":{"half_tithi_index":10,"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":2107,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490978.770833,"ahargana":1902513.2708,"kali_year":5209,"ayanamsa_lahiri":25.3612,"grahas":{"sun":{"sidereal_longitude":242.11505,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":305.26395,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":3.3675},"mars":{"sidereal_longitude":153.56335,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":256.71655,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":48.123249999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":278.08805000000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":261.07295,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":175.6914,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":355.6914,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2107,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490978.770833,"kali_year":5209,"ahargana":1902513.2708,"sun":{"sidereal_longitude":241.4966,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":307.2156,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.7189,"elapsed_within_tithi_degrees":5.7189},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.2156,"elapsed_within_degrees":0.5489},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.7122},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.368,"elongation":65.719},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.368,"opposition_distance":114.281}},"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":10.757325347496625,"dayLengthDisplay":"10 Hours 45 Mins 26 Secs","nightLengthDisplay":"13 Hours 14 Mins 34 Secs","moonriseLocal":"11:17","moonsetLocal":"22:44","rahuKala":{"name":"Rāhu Kāla","start":"15:29","end":"16:50","startHours":15.487952711499679,"endHours":16.832618379936758,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:07","end":"11:27","startHours":10.109290037751366,"endHours":11.453955706188445,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:48","end":"14:09","startHours":12.798621374625522,"endHours":14.1432870430626,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:56","end":"10:17","startHours":9.930001281959756,"endHours":10.288578793542976,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:09","startHours":7.868180590356236,"endHours":8.155042599622812,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:26","end":"13:09","startHours":12.440043863042302,"endHours":13.157198886208743,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:42","startHours":5.985648654544327,"endHours":6.702803677710769,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:25","startHours":6.5235149219191575,"endHours":7.41995870087721,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:19","startHours":14.591508932541625,"endHours":15.308663955708067,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.977284048373836,"endHours":18.377284048373834,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:38","startHours":18.177284048373835,"endHours":18.62550593785286,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.927284048373835,"endHours":19.677284048373835,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:26","end":"01:09","startHours":24.440043863042302,"endHours":25.157198886208743,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:25","end":"08:46","startHours":7.41995870087721,"endHours":8.764624369314287,"quality":"inauspicious"},{"name":"Udveg","start":"08:46","end":"10:07","startHours":8.764624369314287,"endHours":10.109290037751366,"quality":"inauspicious"},{"name":"Chala","start":"10:07","end":"11:27","startHours":10.109290037751366,"endHours":11.453955706188445,"quality":"neutral"},{"name":"Labha","start":"11:27","end":"12:48","startHours":11.453955706188445,"endHours":12.798621374625522,"quality":"auspicious"},{"name":"Amṛta","start":"12:48","end":"14:09","startHours":12.798621374625522,"endHours":14.1432870430626,"quality":"auspicious"},{"name":"Kāla","start":"14:09","end":"15:29","startHours":14.1432870430626,"endHours":15.487952711499679,"quality":"inauspicious"},{"name":"Śubha","start":"15:29","end":"16:50","startHours":15.487952711499679,"endHours":16.832618379936758,"quality":"auspicious"},{"name":"Roga","start":"16:50","end":"18:11","startHours":16.832618379936758,"endHours":18.177284048373835,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:11","end":"19:50","startHours":18.177284048373835,"endHours":19.832618379936758,"quality":"inauspicious"},{"name":"Śubha","start":"19:50","end":"21:29","startHours":19.832618379936758,"endHours":21.48795271149968,"quality":"auspicious"},{"name":"Roga","start":"21:29","end":"23:09","startHours":21.48795271149968,"endHours":23.1432870430626,"quality":"inauspicious"},{"name":"Udveg","start":"23:09","end":"00:48","startHours":23.1432870430626,"endHours":24.798621374625522,"quality":"inauspicious"},{"name":"Chala","start":"00:48","end":"02:27","startHours":24.798621374625522,"endHours":26.453955706188445,"quality":"neutral"},{"name":"Labha","start":"02:27","end":"04:07","startHours":26.453955706188445,"endHours":28.109290037751364,"quality":"auspicious"},{"name":"Amṛta","start":"04:07","end":"05:46","startHours":28.109290037751364,"endHours":29.764624369314287,"quality":"auspicious"},{"name":"Kāla","start":"05:46","end":"07:25","startHours":29.764624369314287,"endHours":31.41995870087721,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.41995870087721,"endHours":8.41995870087721,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.41995870087721,"endHours":9.41995870087721,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.41995870087721,"endHours":10.41995870087721,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.41995870087721,"endHours":11.41995870087721,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.41995870087721,"endHours":12.41995870087721,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.41995870087721,"endHours":13.41995870087721,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.41995870087721,"endHours":14.41995870087721,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.41995870087721,"endHours":15.41995870087721,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.41995870087721,"endHours":16.41995870087721,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.41995870087721,"endHours":17.41995870087721,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.41995870087721,"endHours":18.41995870087721,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.41995870087721,"endHours":19.41995870087721,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.41995870087721,"endHours":20.41995870087721,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.41995870087721,"endHours":21.41995870087721,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.41995870087721,"endHours":22.41995870087721,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.41995870087721,"endHours":23.41995870087721,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.41995870087721,"endHours":24.41995870087721,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.41995870087721,"endHours":25.41995870087721,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.41995870087721,"endHours":26.41995870087721,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.41995870087721,"endHours":27.41995870087721,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.41995870087721,"endHours":28.41995870087721,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.41995870087721,"endHours":29.41995870087721,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.41995870087721,"endHours":30.41995870087721,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.41995870087721,"endHours":31.41995870087721,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Prajāpati","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":-23.41241123477125,"eotMinutes":1.851917522468745,"ayanamsa":25.3612}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"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 Ṣaṣṭhī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"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":"Maṅgalavāra (Tuesday) — 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, 2107 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 20, 2107 CE for Jamnagar, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 07:25, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2107-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2107-12-20","sa":"https://sa.vidhyamitra.com/city/jamnagar/2107-12-20","hi":"https://hi.vidhyamitra.com/city/jamnagar/2107-12-20","x-default":"https://vidhyamitra.com/city/jamnagar/2107-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:59:54.537Z","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":"2026-06-03T05:59:54.537Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:59:54.537Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}