{"id":"vidhyamitra:city-day:perth:2115-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2115-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2115-01-28","date_display":"January 28, 2115 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":2115,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493574.770833,"kali_year":5216,"ahargana":1905109.2708,"sun":{"sidereal_longitude":281.7467,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":306.6555,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.9088,"elapsed_within_tithi_degrees":0.9088},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":306.6555,"elapsed_within_degrees":13.3222},"yoga":{"number":18,"name":"Varīyān","sum_longitude":228.4023},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":2115,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2493574.770833,"ahargana":1905109.2708,"kali_year":5216,"ayanamsa_lahiri":25.4605,"grahas":{"sun":{"sidereal_longitude":282.0425640000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":305.652964,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-4.4985},"mars":{"sidereal_longitude":5.38306399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":255.94606399999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":259.557864,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":238.89576399999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":340.765164,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":38.1428,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":218.1428,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"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":2115,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493574.770833,"kali_year":5216,"ahargana":1905109.2708,"sun":{"sidereal_longitude":281.7467,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":306.6555,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.9088,"elapsed_within_tithi_degrees":0.9088},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":306.6555,"elapsed_within_degrees":13.3222},"yoga":{"number":18,"name":"Varīyān","sum_longitude":228.4023},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":24.909},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":155.091}},"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":"05:37","sunsetLocal":"19:22","solarNoonLocal":"12:30","dayLengthHours":13.737134090612882,"dayLengthDisplay":"13 Hours 44 Mins 14 Secs","nightLengthDisplay":"10 Hours 15 Mins 46 Secs","moonriseLocal":"07:33","moonsetLocal":"20:35","rahuKala":{"name":"Rāhu Kāla","start":"07:20","end":"09:03","startHours":7.340785249934601,"endHours":9.057927011261212,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:47","end":"12:30","startHours":10.775068772587822,"endHours":12.492210533914431,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:13","end":"15:56","startHours":14.209352295241041,"endHours":15.926494056567652,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.828974776417663,"endHours":9.28687924610476,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:34","startHours":6.196024075716861,"endHours":6.5623476514665375,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:57","startHours":12.034306064227335,"endHours":12.950115003601526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:42","startHours":3.7920256098596066,"endHours":4.707834549233799,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:37","startHours":4.478882314390251,"endHours":5.623643488607991,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.781732882349912,"endHours":15.697541821724105,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.160777579220873,"endHours":19.560777579220872,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:56","startHours":19.360777579220873,"endHours":19.933158166329743,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.110777579220873,"endHours":20.860777579220873,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:57","startHours":24.034306064227334,"endHours":24.95011500360153,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:37","end":"07:20","startHours":5.623643488607991,"endHours":7.340785249934601,"quality":"auspicious"},{"name":"Kāla","start":"07:20","end":"09:03","startHours":7.340785249934601,"endHours":9.057927011261212,"quality":"inauspicious"},{"name":"Śubha","start":"09:03","end":"10:47","startHours":9.057927011261212,"endHours":10.775068772587822,"quality":"auspicious"},{"name":"Roga","start":"10:47","end":"12:30","startHours":10.775068772587822,"endHours":12.492210533914431,"quality":"inauspicious"},{"name":"Udveg","start":"12:30","end":"14:13","startHours":12.492210533914431,"endHours":14.209352295241041,"quality":"inauspicious"},{"name":"Chala","start":"14:13","end":"15:56","startHours":14.209352295241041,"endHours":15.926494056567652,"quality":"neutral"},{"name":"Labha","start":"15:56","end":"17:39","startHours":15.926494056567652,"endHours":17.643635817894264,"quality":"auspicious"},{"name":"Amṛta","start":"17:39","end":"19:22","startHours":17.643635817894264,"endHours":19.360777579220873,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:22","end":"20:39","startHours":19.360777579220873,"endHours":20.643635817894264,"quality":"neutral"},{"name":"Labha","start":"20:39","end":"21:56","startHours":20.643635817894264,"endHours":21.926494056567652,"quality":"auspicious"},{"name":"Amṛta","start":"21:56","end":"23:13","startHours":21.926494056567652,"endHours":23.209352295241043,"quality":"auspicious"},{"name":"Kāla","start":"23:13","end":"00:30","startHours":23.209352295241043,"endHours":24.49221053391443,"quality":"inauspicious"},{"name":"Śubha","start":"00:30","end":"01:47","startHours":24.49221053391443,"endHours":25.775068772587822,"quality":"auspicious"},{"name":"Roga","start":"01:47","end":"03:03","startHours":25.775068772587822,"endHours":27.057927011261214,"quality":"inauspicious"},{"name":"Udveg","start":"03:03","end":"04:20","startHours":27.057927011261214,"endHours":28.3407852499346,"quality":"inauspicious"},{"name":"Chala","start":"04:20","end":"05:37","startHours":28.3407852499346,"endHours":29.62364348860799,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.623643488607991,"endHours":6.623643488607991,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.623643488607991,"endHours":7.623643488607991,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.623643488607991,"endHours":8.623643488607991,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.623643488607991,"endHours":9.623643488607991,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.623643488607991,"endHours":10.623643488607991,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.623643488607991,"endHours":11.623643488607991,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.623643488607991,"endHours":12.623643488607991,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.623643488607991,"endHours":13.623643488607991,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.623643488607991,"endHours":14.623643488607991,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.623643488607991,"endHours":15.623643488607991,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.623643488607991,"endHours":16.62364348860799,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.62364348860799,"endHours":17.62364348860799,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.62364348860799,"endHours":18.62364348860799,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.62364348860799,"endHours":19.62364348860799,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.62364348860799,"endHours":20.62364348860799,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.62364348860799,"endHours":21.62364348860799,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.62364348860799,"endHours":22.62364348860799,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.62364348860799,"endHours":23.62364348860799,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.62364348860799,"endHours":24.62364348860799,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.62364348860799,"endHours":25.62364348860799,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.62364348860799,"endHours":26.62364348860799,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.62364348860799,"endHours":27.62364348860799,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.62364348860799,"endHours":28.62364348860799,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.62364348860799,"endHours":29.62364348860799,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"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":-18.39277783627394,"eotMinutes":-12.974632034865841,"ayanamsa":25.4605}},"calendars":{"vikram_samvat":2172,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2037,"saka_samvatsara":"Yuva","bengali_samvat":1522,"malayalam_era":1291,"nanakshahi_year":646,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Tṛtīyā · Vikram 2172 Sarvadhāri · Śaka 2037 Yuva"},"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}],"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 28, 2115 CE · Perth, Australia · Vidhyamitra","description":"January 28, 2115 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:37, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2115-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2115-01-28","sa":"https://sa.vidhyamitra.com/city/perth/2115-01-28","hi":"https://hi.vidhyamitra.com/city/perth/2115-01-28","x-default":"https://vidhyamitra.com/city/perth/2115-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T11:11:07.493Z","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":"2026-05-22T11:11:07.493Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T11:11:07.493Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}