{"id":"vidhyamitra:city-day:jamnagar:2018-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2018-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-01-29","date_display":"January 29, 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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458147.770833,"kali_year":5119,"ahargana":1869682.2708,"sun":{"sidereal_longitude":284.9191,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":71.672,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.753,"elapsed_within_tithi_degrees":2.753},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.672,"elapsed_within_degrees":5.0054},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.5911},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458147.770833,"ahargana":1869682.2708,"kali_year":5119,"ayanamsa_lahiri":24.1055,"grahas":{"sun":{"sidereal_longitude":284.966236,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":69.56973599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-3.0995},"mars":{"sidereal_longitude":217.13483599999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":271.715736,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":206.60533600000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":289.44453599999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":250.27793599999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":115.2357,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":295.2357,"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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458147.770833,"kali_year":5119,"ahargana":1869682.2708,"sun":{"sidereal_longitude":284.9191,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":71.672,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.753,"elapsed_within_tithi_degrees":2.753},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.672,"elapsed_within_degrees":5.0054},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.5911},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.1,"elongation":146.753},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.1,"opposition_distance":33.247}},"eclipse_window_40days":[{"offset_days":18,"type":"solar","occurs":true,"moon_latitude":-0.855,"elongation":1.98}]},"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":"07:30","sunsetLocal":"18:36","solarNoonLocal":"13:03","dayLengthHours":11.098457366369127,"dayLengthDisplay":"11 Hours 05 Mins 54 Secs","nightLengthDisplay":"12 Hours 54 Mins 06 Secs","moonriseLocal":"15:57","moonsetLocal":"05:25","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:16","startHours":8.887100520490149,"endHours":10.274407691286289,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:40","end":"13:03","startHours":11.66171486208243,"endHours":13.049022032878572,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:26","end":"15:49","startHours":14.436329203674712,"endHours":15.823636374470853,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:28","startHours":10.089433401846804,"endHours":10.459381980725775,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:15","startHours":7.962229073292721,"endHours":8.258187936395897,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:25","startHours":12.679073453999601,"endHours":13.418970611757542,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:01","end":"06:46","startHours":6.019999034178124,"endHours":6.759896191936066,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:34","end":"07:30","startHours":6.57492190249658,"endHours":7.4997933496940075,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:38","startHours":14.898764927273426,"endHours":15.638662085031367,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.398250716063135,"endHours":18.798250716063134,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:04","startHours":18.598250716063134,"endHours":19.060686439661847,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.348250716063134,"endHours":20.098250716063134,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:25","startHours":24.6790734539996,"endHours":25.418970611757544,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:30","end":"08:53","startHours":7.4997933496940075,"endHours":8.887100520490149,"quality":"auspicious"},{"name":"Kāla","start":"08:53","end":"10:16","startHours":8.887100520490149,"endHours":10.274407691286289,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:40","startHours":10.274407691286289,"endHours":11.66171486208243,"quality":"auspicious"},{"name":"Roga","start":"11:40","end":"13:03","startHours":11.66171486208243,"endHours":13.049022032878572,"quality":"inauspicious"},{"name":"Udveg","start":"13:03","end":"14:26","startHours":13.049022032878572,"endHours":14.436329203674712,"quality":"inauspicious"},{"name":"Chala","start":"14:26","end":"15:49","startHours":14.436329203674712,"endHours":15.823636374470853,"quality":"neutral"},{"name":"Labha","start":"15:49","end":"17:13","startHours":15.823636374470853,"endHours":17.210943545266993,"quality":"auspicious"},{"name":"Amṛta","start":"17:13","end":"18:36","startHours":17.210943545266993,"endHours":18.598250716063134,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:36","end":"20:13","startHours":18.598250716063134,"endHours":20.210943545266993,"quality":"neutral"},{"name":"Labha","start":"20:13","end":"21:49","startHours":20.210943545266993,"endHours":21.82363637447085,"quality":"auspicious"},{"name":"Amṛta","start":"21:49","end":"23:26","startHours":21.82363637447085,"endHours":23.43632920367471,"quality":"auspicious"},{"name":"Kāla","start":"23:26","end":"01:03","startHours":23.43632920367471,"endHours":25.04902203287857,"quality":"inauspicious"},{"name":"Śubha","start":"01:03","end":"02:40","startHours":25.04902203287857,"endHours":26.66171486208243,"quality":"auspicious"},{"name":"Roga","start":"02:40","end":"04:16","startHours":26.66171486208243,"endHours":28.27440769128629,"quality":"inauspicious"},{"name":"Udveg","start":"04:16","end":"05:53","startHours":28.27440769128629,"endHours":29.88710052049015,"quality":"inauspicious"},{"name":"Chala","start":"05:53","end":"07:30","startHours":29.88710052049015,"endHours":31.49979334969401,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:30","end":"08:30","startHours":7.4997933496940075,"endHours":8.499793349694007,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:30","end":"09:30","startHours":8.499793349694007,"endHours":9.499793349694007,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:30","end":"10:30","startHours":9.499793349694007,"endHours":10.499793349694007,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:30","end":"11:30","startHours":10.499793349694007,"endHours":11.499793349694007,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:30","end":"12:30","startHours":11.499793349694007,"endHours":12.499793349694007,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:30","end":"13:30","startHours":12.499793349694007,"endHours":13.499793349694007,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:30","end":"14:30","startHours":13.499793349694007,"endHours":14.499793349694007,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:30","end":"15:30","startHours":14.499793349694007,"endHours":15.499793349694007,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:30","end":"16:30","startHours":15.499793349694007,"endHours":16.49979334969401,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:30","end":"17:30","startHours":16.49979334969401,"endHours":17.49979334969401,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:30","end":"18:30","startHours":17.49979334969401,"endHours":18.49979334969401,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:30","end":"19:30","startHours":18.49979334969401,"endHours":19.49979334969401,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:30","end":"20:30","startHours":19.49979334969401,"endHours":20.49979334969401,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:30","end":"21:30","startHours":20.49979334969401,"endHours":21.49979334969401,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:30","end":"22:30","startHours":21.49979334969401,"endHours":22.49979334969401,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:30","end":"23:30","startHours":22.49979334969401,"endHours":23.49979334969401,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:30","end":"00:30","startHours":23.49979334969401,"endHours":24.49979334969401,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:30","end":"01:30","startHours":24.49979334969401,"endHours":25.49979334969401,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:30","end":"02:30","startHours":25.49979334969401,"endHours":26.49979334969401,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:30","end":"03:30","startHours":26.49979334969401,"endHours":27.49979334969401,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:30","end":"04:30","startHours":27.49979334969401,"endHours":28.49979334969401,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:30","end":"05:30","startHours":28.49979334969401,"endHours":29.49979334969401,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:30","end":"06:30","startHours":29.49979334969401,"endHours":30.49979334969401,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:30","end":"07:30","startHours":30.49979334969401,"endHours":31.49979334969401,"planetary_lord":"Venus"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.985876578289272,"eotMinutes":-13.172121972714217,"ayanamsa":24.1055}},"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 Trayodaśī · 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},{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 29, 2018 CE · Jamnagar, Gujarat · Vidhyamitra","description":"January 29, 2018 CE for Jamnagar, Gujarat: Śukla Trayodaśī, sūryodaya 07:30, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2018-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2018-01-29","sa":"https://sa.vidhyamitra.com/city/jamnagar/2018-01-29","hi":"https://hi.vidhyamitra.com/city/jamnagar/2018-01-29","x-default":"https://vidhyamitra.com/city/jamnagar/2018-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T10:19:02.234Z","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":"2026-05-15T10:19:02.234Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T10:19:02.234Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}