{"id":"vidhyamitra:city-day:perth:2178-01-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2178-01-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2178-01-02","date_display":"January 2, 2178 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":2178,"month":1,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516559.770833,"kali_year":5279,"ahargana":1928094.2708,"sun":{"sidereal_longitude":254.7381,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":43.7762,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.0382,"elapsed_within_tithi_degrees":5.0382},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":43.7762,"elapsed_within_degrees":3.7762},"yoga":{"number":23,"name":"Śubha","sum_longitude":298.5143},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2178,"month":1,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516559.770833,"ahargana":1928094.2708,"kali_year":5279,"ayanamsa_lahiri":26.3396,"grahas":{"sun":{"sidereal_longitude":255.40496799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":43.722267999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":2.6756},"mars":{"sidereal_longitude":212.87956800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":249.44626800000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":1.2835680000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":263.32706800000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":33.74296800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":260.2869,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":80.2869,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2178,"month":1,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516559.770833,"kali_year":5279,"ahargana":1928094.2708,"sun":{"sidereal_longitude":254.7381,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":43.7762,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.0382,"elapsed_within_tithi_degrees":5.0382},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":43.7762,"elapsed_within_degrees":3.7762},"yoga":{"number":23,"name":"Śubha","sum_longitude":298.5143},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.676,"elongation":149.038},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.676,"opposition_distance":30.962}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":-1.455,"elongation":0.707},{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":1.2,"elongation":2.654}]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"05:15","sunsetLocal":"19:26","solarNoonLocal":"12:21","dayLengthHours":14.186137529818637,"dayLengthDisplay":"14 Hours 11 Mins 10 Secs","nightLengthDisplay":"9 Hours 48 Mins 50 Secs","moonriseLocal":"17:09","moonsetLocal":"03:19","rahuKala":{"name":"Rāhu Kāla","start":"10:34","end":"12:21","startHours":10.571861310195228,"endHours":12.345128501422558,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:53","end":"17:40","startHours":15.891662883877217,"endHours":17.664930075104547,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:02","end":"08:48","startHours":7.025326927740569,"endHours":8.798594118967898,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:02","startHours":8.562158493470921,"endHours":9.035029744464877,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:13","startHours":5.843148800255683,"endHours":6.221445801050847,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:49","startHours":11.872257250428603,"endHours":12.817999752416512,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:18","startHours":3.3605747325374216,"endHours":4.306317234525331,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:04","end":"05:15","startHours":4.069881609028354,"endHours":5.25205973651324,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:39","startHours":14.709484756392332,"endHours":15.655227258380242,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.238197266331877,"endHours":19.638197266331876,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:02","startHours":19.438197266331876,"endHours":20.02928633007432,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.188197266331876,"endHours":20.938197266331876,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:49","startHours":23.872257250428603,"endHours":24.81799975241651,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:15","end":"07:02","startHours":5.25205973651324,"endHours":7.025326927740569,"quality":"neutral"},{"name":"Labha","start":"07:02","end":"08:48","startHours":7.025326927740569,"endHours":8.798594118967898,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:34","startHours":8.798594118967898,"endHours":10.571861310195228,"quality":"auspicious"},{"name":"Kāla","start":"10:34","end":"12:21","startHours":10.571861310195228,"endHours":12.345128501422558,"quality":"inauspicious"},{"name":"Śubha","start":"12:21","end":"14:07","startHours":12.345128501422558,"endHours":14.118395692649887,"quality":"auspicious"},{"name":"Roga","start":"14:07","end":"15:53","startHours":14.118395692649887,"endHours":15.891662883877217,"quality":"inauspicious"},{"name":"Udveg","start":"15:53","end":"17:40","startHours":15.891662883877217,"endHours":17.664930075104547,"quality":"inauspicious"},{"name":"Chala","start":"17:40","end":"19:26","startHours":17.664930075104547,"endHours":19.438197266331876,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:26","end":"20:40","startHours":19.438197266331876,"endHours":20.664930075104547,"quality":"inauspicious"},{"name":"Udveg","start":"20:40","end":"21:53","startHours":20.664930075104547,"endHours":21.891662883877217,"quality":"inauspicious"},{"name":"Chala","start":"21:53","end":"23:07","startHours":21.891662883877217,"endHours":23.118395692649887,"quality":"neutral"},{"name":"Labha","start":"23:07","end":"00:21","startHours":23.118395692649887,"endHours":24.345128501422558,"quality":"auspicious"},{"name":"Amṛta","start":"00:21","end":"01:34","startHours":24.345128501422558,"endHours":25.571861310195228,"quality":"auspicious"},{"name":"Kāla","start":"01:34","end":"02:48","startHours":25.571861310195228,"endHours":26.7985941189679,"quality":"inauspicious"},{"name":"Śubha","start":"02:48","end":"04:02","startHours":26.7985941189679,"endHours":28.02532692774057,"quality":"auspicious"},{"name":"Roga","start":"04:02","end":"05:15","startHours":28.02532692774057,"endHours":29.25205973651324,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.25205973651324,"endHours":6.25205973651324,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.25205973651324,"endHours":7.25205973651324,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.25205973651324,"endHours":8.252059736513239,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.252059736513239,"endHours":9.252059736513239,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.252059736513239,"endHours":10.252059736513239,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.252059736513239,"endHours":11.252059736513239,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.252059736513239,"endHours":12.252059736513239,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.252059736513239,"endHours":13.252059736513239,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.252059736513239,"endHours":14.252059736513239,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.252059736513239,"endHours":15.252059736513239,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.252059736513239,"endHours":16.25205973651324,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.25205973651324,"endHours":17.25205973651324,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.25205973651324,"endHours":18.25205973651324,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.25205973651324,"endHours":19.25205973651324,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.25205973651324,"endHours":20.25205973651324,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.25205973651324,"endHours":21.25205973651324,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.25205973651324,"endHours":22.25205973651324,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.25205973651324,"endHours":23.25205973651324,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.25205973651324,"endHours":24.25205973651324,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.25205973651324,"endHours":25.25205973651324,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.25205973651324,"endHours":26.25205973651324,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.25205973651324,"endHours":27.25205973651324,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.25205973651324,"endHours":28.25205973651324,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.25205973651324,"endHours":29.25205973651324,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.917534237374802,"eotMinutes":-4.149710085353452,"ayanamsa":26.3396}},"calendars":{"vikram_samvat":2235,"vikram_samvatsara":"Khara","saka_samvat":2100,"saka_samvatsara":"Bahudhānya","bengali_samvat":1585,"malayalam_era":1354,"nanakshahi_year":709,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2235 Khara · Śaka 2100 Bahudhānya"},"festivals":[{"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":"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 2, 2178 CE · Perth, Australia · Vidhyamitra","description":"January 2, 2178 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 05:15, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2178-01-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2178-01-02","sa":"https://sa.vidhyamitra.com/city/perth/2178-01-02","hi":"https://hi.vidhyamitra.com/city/perth/2178-01-02","x-default":"https://vidhyamitra.com/city/perth/2178-01-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:32:00.700Z","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":"2026-05-31T10:32:00.700Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:32:00.700Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}