{"id":"vidhyamitra:city-day:jamnagar:2018-01-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2018-01-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-01-20","date_display":"January 20, 2018 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":2018,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458138.770833,"kali_year":5119,"ahargana":1869673.2708,"sun":{"sidereal_longitude":275.6987,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":310.6079,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.9092,"elapsed_within_tithi_degrees":10.9092},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.6079,"elapsed_within_degrees":3.9413},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.3067},"karana":{"half_tithi_index":5,"name":"Gara"},"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":2018,"month":1,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458138.770833,"ahargana":1869673.2708,"kali_year":5119,"ayanamsa_lahiri":24.1052,"grahas":{"sun":{"sidereal_longitude":275.81398,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":308.17467999999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":-1.1556},"mars":{"sidereal_longitude":211.58838000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":258.03427999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":205.49568,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":278.13537999999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":249.31238000000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":115.7126,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":295.7126,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":"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":2018,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458138.770833,"kali_year":5119,"ahargana":1869673.2708,"sun":{"sidereal_longitude":275.6987,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":310.6079,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.9092,"elapsed_within_tithi_degrees":10.9092},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.6079,"elapsed_within_degrees":3.9413},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.3067},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.156,"elongation":34.909},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.156,"opposition_distance":145.091}},"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":"07:32","sunsetLocal":"18:30","solarNoonLocal":"13:01","dayLengthHours":10.964478817573838,"dayLengthDisplay":"10 Hours 57 Mins 52 Secs","nightLengthDisplay":"13 Hours 02 Mins 08 Secs","moonriseLocal":"09:25","moonsetLocal":"20:55","rahuKala":{"name":"Rāhu Kāla","start":"10:16","end":"11:38","startHours":10.27110535122703,"endHours":11.64166520342376,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:23","end":"15:45","startHours":14.382784907817218,"endHours":15.753344760013949,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:32","end":"08:54","startHours":7.529985646833571,"endHours":8.9005454990303,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.0883640376008,"endHours":10.45384666485326,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:59","end":"08:17","startHours":7.986838930899147,"endHours":8.279225032701115,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:39","end":"13:23","startHours":12.646742428368027,"endHours":13.37770768287295,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:48","startHours":6.068055137823725,"endHours":6.799020392328648,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:37","end":"07:32","startHours":6.6162790787024175,"endHours":7.529985646833571,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:50","end":"15:34","startHours":14.839638191882795,"endHours":15.570603446387718,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.294464464407408,"endHours":18.694464464407407,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:57","startHours":18.494464464407407,"endHours":18.951317748472984,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.244464464407407,"endHours":19.994464464407407,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:39","end":"01:23","startHours":24.64674242836803,"endHours":25.377707682872952,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:32","end":"08:54","startHours":7.529985646833571,"endHours":8.9005454990303,"quality":"inauspicious"},{"name":"Śubha","start":"08:54","end":"10:16","startHours":8.9005454990303,"endHours":10.27110535122703,"quality":"auspicious"},{"name":"Roga","start":"10:16","end":"11:38","startHours":10.27110535122703,"endHours":11.64166520342376,"quality":"inauspicious"},{"name":"Udveg","start":"11:38","end":"13:01","startHours":11.64166520342376,"endHours":13.01222505562049,"quality":"inauspicious"},{"name":"Chala","start":"13:01","end":"14:23","startHours":13.01222505562049,"endHours":14.382784907817218,"quality":"neutral"},{"name":"Labha","start":"14:23","end":"15:45","startHours":14.382784907817218,"endHours":15.753344760013949,"quality":"auspicious"},{"name":"Amṛta","start":"15:45","end":"17:07","startHours":15.753344760013949,"endHours":17.12390461221068,"quality":"auspicious"},{"name":"Kāla","start":"17:07","end":"18:30","startHours":17.12390461221068,"endHours":18.494464464407407,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:30","end":"20:07","startHours":18.494464464407407,"endHours":20.123904612210676,"quality":"auspicious"},{"name":"Amṛta","start":"20:07","end":"21:45","startHours":20.123904612210676,"endHours":21.75334476001395,"quality":"auspicious"},{"name":"Kāla","start":"21:45","end":"23:23","startHours":21.75334476001395,"endHours":23.382784907817218,"quality":"inauspicious"},{"name":"Śubha","start":"23:23","end":"01:01","startHours":23.382784907817218,"endHours":25.01222505562049,"quality":"auspicious"},{"name":"Roga","start":"01:01","end":"02:38","startHours":25.01222505562049,"endHours":26.64166520342376,"quality":"inauspicious"},{"name":"Udveg","start":"02:38","end":"04:16","startHours":26.64166520342376,"endHours":28.27110535122703,"quality":"inauspicious"},{"name":"Chala","start":"04:16","end":"05:54","startHours":28.27110535122703,"endHours":29.9005454990303,"quality":"neutral"},{"name":"Labha","start":"05:54","end":"07:32","startHours":29.9005454990303,"endHours":31.52998564683357,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.529985646833571,"endHours":8.52998564683357,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.52998564683357,"endHours":9.52998564683357,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.52998564683357,"endHours":10.52998564683357,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.52998564683357,"endHours":11.52998564683357,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.52998564683357,"endHours":12.52998564683357,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.52998564683357,"endHours":13.52998564683357,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.52998564683357,"endHours":14.52998564683357,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.52998564683357,"endHours":15.52998564683357,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.52998564683357,"endHours":16.52998564683357,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.52998564683357,"endHours":17.52998564683357,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.52998564683357,"endHours":18.52998564683357,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.52998564683357,"endHours":19.52998564683357,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.52998564683357,"endHours":20.52998564683357,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.52998564683357,"endHours":21.52998564683357,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.52998564683357,"endHours":22.52998564683357,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.52998564683357,"endHours":23.52998564683357,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.52998564683357,"endHours":24.52998564683357,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.52998564683357,"endHours":25.52998564683357,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.52998564683357,"endHours":26.52998564683357,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.52998564683357,"endHours":27.52998564683357,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.52998564683357,"endHours":28.52998564683357,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.52998564683357,"endHours":29.52998564683357,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.52998564683357,"endHours":30.52998564683357,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.52998564683357,"endHours":31.52998564683357,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.165106596423367,"eotMinutes":-10.9643033372293,"ayanamsa":24.1052}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Tṛtīyā · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"jamnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 20, 2018 CE · Jamnagar, Gujarat · Vidhyamitra","description":"January 20, 2018 CE for Jamnagar, Gujarat: Śukla Tṛtīyā, sūryodaya 07:32, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2018-01-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2018-01-20","sa":"https://sa.vidhyamitra.com/city/jamnagar/2018-01-20","hi":"https://hi.vidhyamitra.com/city/jamnagar/2018-01-20","x-default":"https://vidhyamitra.com/city/jamnagar/2018-01-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:13:38.442Z","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":"2026-05-15T15:13:38.442Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:13:38.442Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}