{"id":"vidhyamitra:city-day:perth:2112-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2112-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2112-01-18","date_display":"January 18, 2112 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":2112,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2492468.770833,"kali_year":5213,"ahargana":1904003.2708,"sun":{"sidereal_longitude":271.2619,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":138.3592,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.0973,"elapsed_within_tithi_degrees":11.0973},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.3592,"elapsed_within_degrees":5.0259},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":49.6212},"karana":{"half_tithi_index":37,"name":"Bālava"},"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":2112,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2492468.770833,"ahargana":1904003.2708,"kali_year":5213,"ayanamsa_lahiri":25.4182,"grahas":{"sun":{"sidereal_longitude":271.632021,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":134.90532100000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":2.9868},"mars":{"sidereal_longitude":202.330421,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":273.187421,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":179.68842100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":241.99132099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":305.93842099999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":96.744,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":276.744,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2112,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2492468.770833,"kali_year":5213,"ahargana":1904003.2708,"sun":{"sidereal_longitude":271.2619,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":138.3592,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.0973,"elapsed_within_tithi_degrees":11.0973},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.3592,"elapsed_within_degrees":5.0259},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":49.6212},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.987,"elongation":132.903},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.987,"opposition_distance":47.097}},"eclipse_window_40days":[{"offset_days":-4,"type":"lunar","occurs":true,"moon_latitude":-0.653,"opposition_distance":1.452},{"offset_days":11,"type":"solar","occurs":true,"moon_latitude":-0.297,"elongation":2.597}]},"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":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.96631466476962,"dayLengthDisplay":"13 Hours 57 Mins 59 Secs","nightLengthDisplay":"10 Hours 02 Mins 01 Secs","moonriseLocal":"21:37","moonsetLocal":"09:03","rahuKala":{"name":"Rāhu Kāla","start":"07:13","end":"08:57","startHours":7.211085827072886,"endHours":8.956875160169089,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:27","startHours":10.702664493265292,"endHours":12.448453826361494,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:12","end":"15:56","startHours":14.194243159457695,"endHours":15.940032492553899,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:11","startHours":8.724103249089595,"endHours":9.189647071248583,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:25","startHours":6.047226271675418,"endHours":6.419661329402608,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.982910004202507,"endHours":12.91399764852048,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:32","startHours":3.6031212053407344,"endHours":4.534208849658709,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:28","startHours":4.301436938579216,"endHours":5.465296493976684,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.77617293715643,"endHours":15.707260581474404,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.231611158746304,"endHours":19.631611158746303,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.431611158746303,"endHours":20.013540936445036,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.181611158746303,"endHours":20.931611158746303,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.982910004202505,"endHours":24.913997648520482,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:28","end":"07:13","startHours":5.465296493976684,"endHours":7.211085827072886,"quality":"auspicious"},{"name":"Kāla","start":"07:13","end":"08:57","startHours":7.211085827072886,"endHours":8.956875160169089,"quality":"inauspicious"},{"name":"Śubha","start":"08:57","end":"10:42","startHours":8.956875160169089,"endHours":10.702664493265292,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:27","startHours":10.702664493265292,"endHours":12.448453826361494,"quality":"inauspicious"},{"name":"Udveg","start":"12:27","end":"14:12","startHours":12.448453826361494,"endHours":14.194243159457695,"quality":"inauspicious"},{"name":"Chala","start":"14:12","end":"15:56","startHours":14.194243159457695,"endHours":15.940032492553899,"quality":"neutral"},{"name":"Labha","start":"15:56","end":"17:41","startHours":15.940032492553899,"endHours":17.685821825650102,"quality":"auspicious"},{"name":"Amṛta","start":"17:41","end":"19:26","startHours":17.685821825650102,"endHours":19.431611158746303,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:26","end":"20:41","startHours":19.431611158746303,"endHours":20.685821825650102,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"21:56","startHours":20.685821825650102,"endHours":21.940032492553897,"quality":"auspicious"},{"name":"Amṛta","start":"21:56","end":"23:12","startHours":21.940032492553897,"endHours":23.194243159457695,"quality":"auspicious"},{"name":"Kāla","start":"23:12","end":"00:27","startHours":23.194243159457695,"endHours":24.448453826361494,"quality":"inauspicious"},{"name":"Śubha","start":"00:27","end":"01:42","startHours":24.448453826361494,"endHours":25.702664493265292,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"02:57","startHours":25.702664493265292,"endHours":26.95687516016909,"quality":"inauspicious"},{"name":"Udveg","start":"02:57","end":"04:13","startHours":26.95687516016909,"endHours":28.211085827072885,"quality":"inauspicious"},{"name":"Chala","start":"04:13","end":"05:28","startHours":28.211085827072885,"endHours":29.465296493976684,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.465296493976684,"endHours":6.465296493976684,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.465296493976684,"endHours":7.465296493976684,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.465296493976684,"endHours":8.465296493976684,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.465296493976684,"endHours":9.465296493976684,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.465296493976684,"endHours":10.465296493976684,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.465296493976684,"endHours":11.465296493976684,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.465296493976684,"endHours":12.465296493976684,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.465296493976684,"endHours":13.465296493976684,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.465296493976684,"endHours":14.465296493976684,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.465296493976684,"endHours":15.465296493976684,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.465296493976684,"endHours":16.465296493976684,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.465296493976684,"endHours":17.465296493976684,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.465296493976684,"endHours":18.465296493976684,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.465296493976684,"endHours":19.465296493976684,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.465296493976684,"endHours":20.465296493976684,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.465296493976684,"endHours":21.465296493976684,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.465296493976684,"endHours":22.465296493976684,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.465296493976684,"endHours":23.465296493976684,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.465296493976684,"endHours":24.465296493976684,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.465296493976684,"endHours":25.465296493976684,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.465296493976684,"endHours":26.465296493976684,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.465296493976684,"endHours":27.465296493976684,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.465296493976684,"endHours":28.465296493976684,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.465296493976684,"endHours":29.465296493976684,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","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":-20.745881052596857,"eotMinutes":-10.349229581689698,"ayanamsa":25.4182}},"calendars":{"vikram_samvat":2169,"vikram_samvatsara":"Pārthiva","saka_samvat":2034,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1519,"malayalam_era":1288,"nanakshahi_year":643,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2169 Pārthiva · Śaka 2034 Aṅgirasa"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"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, 2112 CE · Perth, Australia · Vidhyamitra","description":"January 18, 2112 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 05:28, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2112-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2112-01-18","sa":"https://sa.vidhyamitra.com/city/perth/2112-01-18","hi":"https://hi.vidhyamitra.com/city/perth/2112-01-18","x-default":"https://vidhyamitra.com/city/perth/2112-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:30:47.917Z","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":"2026-06-02T12:30:47.917Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:30:47.917Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}