{"id":"vidhyamitra:city-day:perth:2030-03-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2030-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-03-13","date_display":"March 13, 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":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462573.770833,"kali_year":5131,"ahargana":1874108.2708,"sun":{"sidereal_longitude":328.332,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":67.6368,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.3048,"elapsed_within_tithi_degrees":3.3048},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.6368,"elapsed_within_degrees":0.9701},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":35.9688},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462573.770833,"ahargana":1874108.2708,"kali_year":5131,"ayanamsa_lahiri":24.2748,"grahas":{"sun":{"sidereal_longitude":328.22693000000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":65.60352999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-0.541},"mars":{"sidereal_longitude":345.52843,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":330.63423,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":213.42973000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":281.28953,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":26.213729999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":240.725,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":60.725,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"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":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462573.770833,"kali_year":5131,"ahargana":1874108.2708,"sun":{"sidereal_longitude":328.332,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":67.6368,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.3048,"elapsed_within_tithi_degrees":3.3048},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.6368,"elapsed_within_degrees":0.9701},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":35.9688},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.541,"elongation":99.305},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.541,"opposition_distance":80.695}},"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":"06:15","sunsetLocal":"18:38","solarNoonLocal":"12:27","dayLengthHours":12.378846656058366,"dayLengthDisplay":"12 Hours 22 Mins 44 Secs","nightLengthDisplay":"11 Hours 37 Mins 16 Secs","moonriseLocal":"13:56","moonsetLocal":"23:57","rahuKala":{"name":"Rāhu Kāla","start":"12:27","end":"14:00","startHours":12.446265332146812,"endHours":13.993621164154106,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:48","end":"09:21","startHours":7.804197836124923,"endHours":9.351553668132219,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:27","startHours":10.898909500139515,"endHours":12.446265332146812,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:33","startHours":9.145239557197913,"endHours":9.557867779066525,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:06","startHours":6.772627281453393,"endHours":7.102729858948283,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:52","startHours":12.0336371102782,"endHours":12.858893554015424,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:26","startHours":4.606329116643179,"endHours":5.4315855603804035,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:15","startHours":5.2252714494460974,"endHours":6.256842004117628,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.509406441489872,"endHours":15.334662885227097,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.435688660175995,"endHours":18.835688660175993,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:09","startHours":18.635688660175994,"endHours":19.15147393751176,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.385688660175994,"endHours":20.135688660175994,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:52","startHours":24.0336371102782,"endHours":24.858893554015424,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:15","end":"07:48","startHours":6.256842004117628,"endHours":7.804197836124923,"quality":"auspicious"},{"name":"Amṛta","start":"07:48","end":"09:21","startHours":7.804197836124923,"endHours":9.351553668132219,"quality":"auspicious"},{"name":"Kāla","start":"09:21","end":"10:54","startHours":9.351553668132219,"endHours":10.898909500139515,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:27","startHours":10.898909500139515,"endHours":12.446265332146812,"quality":"auspicious"},{"name":"Roga","start":"12:27","end":"14:00","startHours":12.446265332146812,"endHours":13.993621164154106,"quality":"inauspicious"},{"name":"Udveg","start":"14:00","end":"15:32","startHours":13.993621164154106,"endHours":15.540976996161403,"quality":"inauspicious"},{"name":"Chala","start":"15:32","end":"17:05","startHours":15.540976996161403,"endHours":17.088332828168696,"quality":"neutral"},{"name":"Labha","start":"17:05","end":"18:38","startHours":17.088332828168696,"endHours":18.635688660175994,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:38","end":"20:05","startHours":18.635688660175994,"endHours":20.0883328281687,"quality":"inauspicious"},{"name":"Chala","start":"20:05","end":"21:32","startHours":20.0883328281687,"endHours":21.5409769961614,"quality":"neutral"},{"name":"Labha","start":"21:32","end":"23:00","startHours":21.5409769961614,"endHours":22.993621164154106,"quality":"auspicious"},{"name":"Amṛta","start":"23:00","end":"00:27","startHours":22.993621164154106,"endHours":24.44626533214681,"quality":"auspicious"},{"name":"Kāla","start":"00:27","end":"01:54","startHours":24.44626533214681,"endHours":25.898909500139517,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:21","startHours":25.898909500139517,"endHours":27.35155366813222,"quality":"auspicious"},{"name":"Roga","start":"03:21","end":"04:48","startHours":27.35155366813222,"endHours":28.804197836124924,"quality":"inauspicious"},{"name":"Udveg","start":"04:48","end":"06:15","startHours":28.804197836124924,"endHours":30.25684200411763,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.256842004117628,"endHours":7.256842004117628,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.256842004117628,"endHours":8.256842004117628,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.256842004117628,"endHours":9.256842004117628,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.256842004117628,"endHours":10.256842004117628,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.256842004117628,"endHours":11.256842004117628,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.256842004117628,"endHours":12.256842004117628,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.256842004117628,"endHours":13.256842004117628,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.256842004117628,"endHours":14.256842004117628,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.256842004117628,"endHours":15.256842004117628,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.256842004117628,"endHours":16.25684200411763,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.25684200411763,"endHours":17.25684200411763,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.25684200411763,"endHours":18.25684200411763,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.25684200411763,"endHours":19.25684200411763,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.25684200411763,"endHours":20.25684200411763,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.25684200411763,"endHours":21.25684200411763,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.25684200411763,"endHours":22.25684200411763,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.25684200411763,"endHours":23.25684200411763,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.25684200411763,"endHours":24.25684200411763,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.25684200411763,"endHours":25.25684200411763,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.25684200411763,"endHours":26.25684200411763,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.25684200411763,"endHours":27.25684200411763,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.25684200411763,"endHours":28.25684200411763,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.25684200411763,"endHours":29.25684200411763,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.25684200411763,"endHours":30.25684200411763,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-2.975136561949041,"eotMinutes":-10.217919928808794,"ayanamsa":24.2748}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Navamī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 March 13, 2030 CE · Perth, Australia · Vidhyamitra","description":"March 13, 2030 CE for Perth, Australia: Śukla Navamī, sūryodaya 06:15, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2030-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2030-03-13","sa":"https://sa.vidhyamitra.com/city/perth/2030-03-13","hi":"https://hi.vidhyamitra.com/city/perth/2030-03-13","x-default":"https://vidhyamitra.com/city/perth/2030-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:20:49.176Z","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":"2026-05-14T15:20:49.176Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:20:49.176Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}