{"id":"vidhyamitra:city-day:sydney:1981-01-14:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sydney/1981-01-14","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-14","date_display":"January 14, 1981 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":1981,"month":1,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444618.770833,"kali_year":5082,"ahargana":1856153.2708,"sun":{"sidereal_longitude":270.1294,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":9.0067,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.8773,"elapsed_within_tithi_degrees":2.8773},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.0067,"elapsed_within_degrees":9.0067},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.1361},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1981,"month":1,"day":14,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444618.770833,"ahargana":1856153.2708,"kali_year":5082,"ayanamsa_lahiri":23.5881,"grahas":{"sun":{"sidereal_longitude":270.203043,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":8.293043000000011,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":-4.3834},"mars":{"sidereal_longitude":287.8249430000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":279.05324300000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.66484300000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":250.1337430000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":165.94134299999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":112.0673,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":292.0673,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"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":1981,"month":1,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444618.770833,"kali_year":5082,"ahargana":1856153.2708,"sun":{"sidereal_longitude":270.1294,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":9.0067,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.8773,"elapsed_within_tithi_degrees":2.8773},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.0067,"elapsed_within_degrees":9.0067},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.1361},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.383,"elongation":98.877},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.383,"opposition_distance":81.123}},"eclipse_window_40days":[{"offset_days":6,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776}]},"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"sunriseLocal":"04:59","sunsetLocal":"19:09","solarNoonLocal":"12:04","dayLengthHours":14.176367922945225,"dayLengthDisplay":"14 Hours 10 Mins 35 Secs","nightLengthDisplay":"9 Hours 49 Mins 25 Secs","moonriseLocal":"13:07","moonsetLocal":"00:06","rahuKala":{"name":"Rāhu Kāla","start":"12:04","end":"13:50","startHours":12.06933874998914,"endHours":13.841384740357292,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:45","end":"08:32","startHours":6.75320077888468,"endHours":8.525246769252833,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:18","end":"12:04","startHours":10.297292759620987,"endHours":12.06933874998914,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:17","end":"08:46","startHours":8.288973970537079,"endHours":8.761519567968588,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:34","end":"05:57","startHours":5.571836785305911,"endHours":5.949873263251117,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:33","startHours":11.596793152557632,"endHours":12.541884347420647,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:05","end":"04:02","startHours":3.090972398790497,"endHours":4.036063593653512,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:48","end":"04:59","startHours":3.799790794937758,"endHours":4.981154788516527,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:23","startHours":14.432066737146677,"endHours":15.377157932009691,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.957522711461753,"endHours":19.35752271146175,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:45","startHours":19.157522711461752,"endHours":19.748204708251137,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.907522711461752,"endHours":20.657522711461752,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:33","startHours":23.59679315255763,"endHours":24.54188434742065,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"04:59","end":"06:45","startHours":4.981154788516527,"endHours":6.75320077888468,"quality":"auspicious"},{"name":"Amṛta","start":"06:45","end":"08:32","startHours":6.75320077888468,"endHours":8.525246769252833,"quality":"auspicious"},{"name":"Kāla","start":"08:32","end":"10:18","startHours":8.525246769252833,"endHours":10.297292759620987,"quality":"inauspicious"},{"name":"Śubha","start":"10:18","end":"12:04","startHours":10.297292759620987,"endHours":12.06933874998914,"quality":"auspicious"},{"name":"Roga","start":"12:04","end":"13:50","startHours":12.06933874998914,"endHours":13.841384740357292,"quality":"inauspicious"},{"name":"Udveg","start":"13:50","end":"15:37","startHours":13.841384740357292,"endHours":15.613430730725446,"quality":"inauspicious"},{"name":"Chala","start":"15:37","end":"17:23","startHours":15.613430730725446,"endHours":17.3854767210936,"quality":"neutral"},{"name":"Labha","start":"17:23","end":"19:09","startHours":17.3854767210936,"endHours":19.157522711461752,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:09","end":"20:23","startHours":19.157522711461752,"endHours":20.3854767210936,"quality":"inauspicious"},{"name":"Chala","start":"20:23","end":"21:37","startHours":20.3854767210936,"endHours":21.613430730725447,"quality":"neutral"},{"name":"Labha","start":"21:37","end":"22:50","startHours":21.613430730725447,"endHours":22.84138474035729,"quality":"auspicious"},{"name":"Amṛta","start":"22:50","end":"00:04","startHours":22.84138474035729,"endHours":24.06933874998914,"quality":"auspicious"},{"name":"Kāla","start":"00:04","end":"01:18","startHours":24.06933874998914,"endHours":25.297292759620987,"quality":"inauspicious"},{"name":"Śubha","start":"01:18","end":"02:32","startHours":25.297292759620987,"endHours":26.52524676925283,"quality":"auspicious"},{"name":"Roga","start":"02:32","end":"03:45","startHours":26.52524676925283,"endHours":27.75320077888468,"quality":"inauspicious"},{"name":"Udveg","start":"03:45","end":"04:59","startHours":27.75320077888468,"endHours":28.981154788516527,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:59","end":"05:59","startHours":4.981154788516527,"endHours":5.981154788516527,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"05:59","end":"06:59","startHours":5.981154788516527,"endHours":6.981154788516527,"planetary_lord":"Venus"},{"name":"Hora 3","start":"06:59","end":"07:59","startHours":6.981154788516527,"endHours":7.981154788516527,"planetary_lord":"Sun"},{"name":"Hora 4","start":"07:59","end":"08:59","startHours":7.981154788516527,"endHours":8.981154788516527,"planetary_lord":"Mars"},{"name":"Hora 5","start":"08:59","end":"09:59","startHours":8.981154788516527,"endHours":9.981154788516527,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"09:59","end":"10:59","startHours":9.981154788516527,"endHours":10.981154788516527,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"10:59","end":"11:59","startHours":10.981154788516527,"endHours":11.981154788516527,"planetary_lord":"Moon"},{"name":"Hora 8","start":"11:59","end":"12:59","startHours":11.981154788516527,"endHours":12.981154788516527,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"12:59","end":"13:59","startHours":12.981154788516527,"endHours":13.981154788516527,"planetary_lord":"Venus"},{"name":"Hora 10","start":"13:59","end":"14:59","startHours":13.981154788516527,"endHours":14.981154788516527,"planetary_lord":"Sun"},{"name":"Hora 11","start":"14:59","end":"15:59","startHours":14.981154788516527,"endHours":15.981154788516527,"planetary_lord":"Mars"},{"name":"Hora 12","start":"15:59","end":"16:59","startHours":15.981154788516527,"endHours":16.981154788516527,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"16:59","end":"17:59","startHours":16.981154788516527,"endHours":17.981154788516527,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"17:59","end":"18:59","startHours":17.981154788516527,"endHours":18.981154788516527,"planetary_lord":"Moon"},{"name":"Hora 15","start":"18:59","end":"19:59","startHours":18.981154788516527,"endHours":19.981154788516527,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"19:59","end":"20:59","startHours":19.981154788516527,"endHours":20.981154788516527,"planetary_lord":"Venus"},{"name":"Hora 17","start":"20:59","end":"21:59","startHours":20.981154788516527,"endHours":21.981154788516527,"planetary_lord":"Sun"},{"name":"Hora 18","start":"21:59","end":"22:59","startHours":21.981154788516527,"endHours":22.981154788516527,"planetary_lord":"Mars"},{"name":"Hora 19","start":"22:59","end":"23:59","startHours":22.981154788516527,"endHours":23.981154788516527,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"23:59","end":"00:59","startHours":23.981154788516527,"endHours":24.981154788516527,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"00:59","end":"01:59","startHours":24.981154788516527,"endHours":25.981154788516527,"planetary_lord":"Moon"},{"name":"Hora 22","start":"01:59","end":"02:59","startHours":25.981154788516527,"endHours":26.981154788516527,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"02:59","end":"03:59","startHours":26.981154788516527,"endHours":27.981154788516527,"planetary_lord":"Venus"},{"name":"Hora 24","start":"03:59","end":"04:59","startHours":27.981154788516527,"endHours":28.981154788516527,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.341991955971398,"eotMinutes":-8.99752499934842,"ayanamsa":23.5881}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Navamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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_ingress":"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_ingress":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"sydney"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 14, 1981 CE · Sydney, Australia · Vidhyamitra","description":"January 14, 1981 CE for Sydney, Australia: Śukla Navamī, sūryodaya 04:59, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sydney/1981-01-14","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sydney/1981-01-14","sa":"https://sa.vidhyamitra.com/city/sydney/1981-01-14","hi":"https://hi.vidhyamitra.com/city/sydney/1981-01-14","x-default":"https://vidhyamitra.com/city/sydney/1981-01-14"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:55:27.920Z","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":"2026-06-03T01:55:27.920Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:55:27.920Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}