{"id":"vidhyamitra:city-day:perth:2030-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2030-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-01-15","date_display":"January 15, 2030 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":2030,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462516.770833,"kali_year":5131,"ahargana":1874051.2708,"sun":{"sidereal_longitude":270.459,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":36.69,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.231,"elapsed_within_tithi_degrees":6.231},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":36.69,"elapsed_within_degrees":10.0233},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.1489},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2030,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462516.770833,"ahargana":1874051.2708,"kali_year":5131,"ayanamsa_lahiri":24.2726,"grahas":{"sun":{"sidereal_longitude":270.644008,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":38.05830800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":2.0451},"mars":{"sidereal_longitude":301.0675080000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":247.561108,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":208.68480799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":256.6427080000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":23.74780800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":243.7451,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":63.7451,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2030,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462516.770833,"kali_year":5131,"ahargana":1874051.2708,"sun":{"sidereal_longitude":270.459,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":36.69,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.231,"elapsed_within_tithi_degrees":6.231},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":36.69,"elapsed_within_degrees":10.0233},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.1489},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.045,"elongation":126.231},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.045,"opposition_distance":53.769}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":1.192,"elongation":0.543}]},"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":"05:26","sunsetLocal":"19:26","solarNoonLocal":"12:26","dayLengthHours":14.005971411371785,"dayLengthDisplay":"14 Hours 00 Mins 21 Secs","nightLengthDisplay":"9 Hours 59 Mins 39 Secs","moonriseLocal":"15:47","moonsetLocal":"02:04","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:41","startHours":15.9332920102785,"endHours":17.68403843669997,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:56","end":"10:41","startHours":8.930306304592607,"endHours":10.68105273101408,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:26","end":"14:11","startHours":12.431799157435552,"endHours":14.182545583857028,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.696873447736412,"endHours":9.163739161448802,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.012395593890152,"endHours":6.3858881648600665,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:54","startHours":11.964933443723162,"endHours":12.898664871147947,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:30","startHours":3.5613505969000894,"endHours":4.495082024324875,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:26","startHours":4.261649167468679,"endHours":5.428813451749661,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.766127725997517,"endHours":15.699859153422302,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.234784863121448,"endHours":19.634784863121446,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.434784863121447,"endHours":20.018367005261936,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.184784863121447,"endHours":20.934784863121447,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:54","startHours":23.96493344372316,"endHours":24.89866487114795,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:26","end":"07:11","startHours":5.428813451749661,"endHours":7.179559878171133,"quality":"inauspicious"},{"name":"Udveg","start":"07:11","end":"08:56","startHours":7.179559878171133,"endHours":8.930306304592607,"quality":"inauspicious"},{"name":"Chala","start":"08:56","end":"10:41","startHours":8.930306304592607,"endHours":10.68105273101408,"quality":"neutral"},{"name":"Labha","start":"10:41","end":"12:26","startHours":10.68105273101408,"endHours":12.431799157435552,"quality":"auspicious"},{"name":"Amṛta","start":"12:26","end":"14:11","startHours":12.431799157435552,"endHours":14.182545583857028,"quality":"auspicious"},{"name":"Kāla","start":"14:11","end":"15:56","startHours":14.182545583857028,"endHours":15.9332920102785,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:41","startHours":15.9332920102785,"endHours":17.68403843669997,"quality":"auspicious"},{"name":"Roga","start":"17:41","end":"19:26","startHours":17.68403843669997,"endHours":19.434784863121447,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:26","end":"20:41","startHours":19.434784863121447,"endHours":20.684038436699975,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"21:56","startHours":20.684038436699975,"endHours":21.9332920102785,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:11","startHours":21.9332920102785,"endHours":23.182545583857028,"quality":"inauspicious"},{"name":"Udveg","start":"23:11","end":"00:26","startHours":23.182545583857028,"endHours":24.431799157435556,"quality":"inauspicious"},{"name":"Chala","start":"00:26","end":"01:41","startHours":24.431799157435556,"endHours":25.68105273101408,"quality":"neutral"},{"name":"Labha","start":"01:41","end":"02:56","startHours":25.68105273101408,"endHours":26.93030630459261,"quality":"auspicious"},{"name":"Amṛta","start":"02:56","end":"04:11","startHours":26.93030630459261,"endHours":28.179559878171133,"quality":"auspicious"},{"name":"Kāla","start":"04:11","end":"05:26","startHours":28.179559878171133,"endHours":29.42881345174966,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.428813451749661,"endHours":6.428813451749661,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.428813451749661,"endHours":7.428813451749661,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.428813451749661,"endHours":8.428813451749662,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.428813451749662,"endHours":9.428813451749662,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.428813451749662,"endHours":10.428813451749662,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.428813451749662,"endHours":11.428813451749662,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.428813451749662,"endHours":12.428813451749662,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.428813451749662,"endHours":13.428813451749662,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.428813451749662,"endHours":14.428813451749662,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.428813451749662,"endHours":15.428813451749662,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.428813451749662,"endHours":16.42881345174966,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.42881345174966,"endHours":17.42881345174966,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.42881345174966,"endHours":18.42881345174966,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.42881345174966,"endHours":19.42881345174966,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.42881345174966,"endHours":20.42881345174966,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.42881345174966,"endHours":21.42881345174966,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.42881345174966,"endHours":22.42881345174966,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.42881345174966,"endHours":23.42881345174966,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.42881345174966,"endHours":24.42881345174966,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.42881345174966,"endHours":25.42881345174966,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.42881345174966,"endHours":26.42881345174966,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.42881345174966,"endHours":27.42881345174966,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.42881345174966,"endHours":28.42881345174966,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.42881345174966,"endHours":29.42881345174966,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.143946781638203,"eotMinutes":-9.349949446133257,"ayanamsa":24.2726}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ekādaśī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"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},{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 15, 2030 CE · Perth, Australia · Vidhyamitra","description":"January 15, 2030 CE for Perth, Australia: Śukla Ekādaśī, sūryodaya 05:26, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2030-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2030-01-15","sa":"https://sa.vidhyamitra.com/city/perth/2030-01-15","hi":"https://hi.vidhyamitra.com/city/perth/2030-01-15","x-default":"https://vidhyamitra.com/city/perth/2030-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T22:26:01.119Z","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":"2026-05-14T22:26:01.119Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T22:26:01.119Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}