{"id":"vidhyamitra:city-day:perth:2125-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2125-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2125-01-18","date_display":"January 18, 2125 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":2125,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2497217.770833,"kali_year":5226,"ahargana":1908752.2708,"sun":{"sidereal_longitude":271.9151,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":68.0332,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.1181,"elapsed_within_tithi_degrees":0.1181},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.0332,"elapsed_within_degrees":1.3665},"yoga":{"number":26,"name":"Indra","sum_longitude":339.9483},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2125,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2497217.770833,"ahargana":1908752.2708,"kali_year":5226,"ayanamsa_lahiri":25.5998,"grahas":{"sun":{"sidereal_longitude":272.310475,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":67.721475,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-3.0624},"mars":{"sidereal_longitude":177.831275,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":272.19237499999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":210.576275,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":261.9176749999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":121.77587500000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":205.1191,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":25.1191,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2125,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2497217.770833,"kali_year":5226,"ahargana":1908752.2708,"sun":{"sidereal_longitude":271.9151,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":68.0332,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.1181,"elapsed_within_tithi_degrees":0.1181},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.0332,"elapsed_within_degrees":1.3665},"yoga":{"number":26,"name":"Indra","sum_longitude":339.9483},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.062,"elongation":156.118},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.062,"opposition_distance":23.882}},"eclipse_window_40days":[]},"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":"05:28","sunsetLocal":"19:25","solarNoonLocal":"12:27","dayLengthHours":13.94959018160277,"dayLengthDisplay":"13 Hours 56 Mins 59 Secs","nightLengthDisplay":"10 Hours 03 Mins 01 Secs","moonriseLocal":"17:48","moonsetLocal":"03:49","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:56","startHours":14.19215259906184,"endHours":15.935851371762187,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:28","end":"07:13","startHours":5.473658735560109,"endHours":7.217357508260456,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:58","end":"10:42","startHours":8.961056280960802,"endHours":10.704755053661149,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:12","startHours":8.728563111267423,"endHours":9.193549450654181,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:26","startHours":6.054891659793558,"endHours":6.426880731302965,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.983467486974735,"endHours":12.913440165748252,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:37","end":"04:33","startHours":3.613713378013073,"endHours":4.543686056786591,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:28","startHours":4.3111928870932115,"endHours":5.473658735560109,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.77338552329529,"endHours":15.70335820206881,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.22324891716288,"endHours":19.62324891716288,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"20:00","startHours":19.42324891716288,"endHours":20.004481841396327,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.17324891716288,"endHours":20.92324891716288,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.983467486974735,"endHours":24.913440165748252,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:28","end":"07:13","startHours":5.473658735560109,"endHours":7.217357508260456,"quality":"auspicious"},{"name":"Roga","start":"07:13","end":"08:58","startHours":7.217357508260456,"endHours":8.961056280960802,"quality":"inauspicious"},{"name":"Udveg","start":"08:58","end":"10:42","startHours":8.961056280960802,"endHours":10.704755053661149,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:27","startHours":10.704755053661149,"endHours":12.448453826361494,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"14:12","startHours":12.448453826361494,"endHours":14.19215259906184,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:56","startHours":14.19215259906184,"endHours":15.935851371762187,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:41","startHours":15.935851371762187,"endHours":17.67955014446253,"quality":"inauspicious"},{"name":"Śubha","start":"17:41","end":"19:25","startHours":17.67955014446253,"endHours":19.42324891716288,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:25","end":"20:41","startHours":19.42324891716288,"endHours":20.679550144462535,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"21:56","startHours":20.679550144462535,"endHours":21.935851371762187,"quality":"inauspicious"},{"name":"Śubha","start":"21:56","end":"23:12","startHours":21.935851371762187,"endHours":23.192152599061842,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:27","startHours":23.192152599061842,"endHours":24.448453826361494,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"01:42","startHours":24.448453826361494,"endHours":25.70475505366115,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"02:58","startHours":25.70475505366115,"endHours":26.961056280960804,"quality":"neutral"},{"name":"Labha","start":"02:58","end":"04:13","startHours":26.961056280960804,"endHours":28.217357508260456,"quality":"auspicious"},{"name":"Amṛta","start":"04:13","end":"05:28","startHours":28.217357508260456,"endHours":29.473658735560107,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.473658735560109,"endHours":6.473658735560109,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.473658735560109,"endHours":7.473658735560109,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.473658735560109,"endHours":8.47365873556011,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.47365873556011,"endHours":9.47365873556011,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.47365873556011,"endHours":10.47365873556011,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.47365873556011,"endHours":11.47365873556011,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.47365873556011,"endHours":12.47365873556011,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.47365873556011,"endHours":13.47365873556011,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.47365873556011,"endHours":14.47365873556011,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.47365873556011,"endHours":15.47365873556011,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.47365873556011,"endHours":16.473658735560107,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.473658735560107,"endHours":17.473658735560107,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.473658735560107,"endHours":18.473658735560107,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.473658735560107,"endHours":19.473658735560107,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.473658735560107,"endHours":20.473658735560107,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.473658735560107,"endHours":21.473658735560107,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.473658735560107,"endHours":22.473658735560107,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.473658735560107,"endHours":23.473658735560107,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.473658735560107,"endHours":24.473658735560107,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.473658735560107,"endHours":25.473658735560107,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.473658735560107,"endHours":26.473658735560107,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.473658735560107,"endHours":27.473658735560107,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.473658735560107,"endHours":28.473658735560107,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.473658735560107,"endHours":29.473658735560107,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.57718580843169,"eotMinutes":-10.349229581689698,"ayanamsa":25.5998}},"calendars":{"vikram_samvat":2182,"vikram_samvatsara":"Vilambī","saka_samvat":2047,"saka_samvatsara":"Pārthiva","bengali_samvat":1532,"malayalam_era":1301,"nanakshahi_year":656,"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 Caturdaśī · Vikram 2182 Vilambī · Śaka 2047 Pārthiva"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 18, 2125 CE · Perth, Australia · Vidhyamitra","description":"January 18, 2125 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:28, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2125-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2125-01-18","sa":"https://sa.vidhyamitra.com/city/perth/2125-01-18","hi":"https://hi.vidhyamitra.com/city/perth/2125-01-18","x-default":"https://vidhyamitra.com/city/perth/2125-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:44:20.996Z","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":"2026-05-31T14:44:20.996Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:44:20.996Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}