{"id":"vidhyamitra:city-day:perth:2129-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2129-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-05-16","date_display":"May 16, 2129 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":2129,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498796.770833,"kali_year":5231,"ahargana":1910331.2708,"sun":{"sidereal_longitude":29.3239,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":3.1524,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.8285,"elapsed_within_tithi_degrees":9.8285},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":3.1524,"elapsed_within_degrees":3.1524},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.4764},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2129,"month":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498796.770833,"ahargana":1910331.2708,"kali_year":5231,"ayanamsa_lahiri":25.6602,"grahas":{"sun":{"sidereal_longitude":29.639445000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":2.363845000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":-3.9611},"mars":{"sidereal_longitude":283.326945,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":1.7619450000000256,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":342.107645,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":342.290745,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":168.80944499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":121.4561,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.4561,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2129,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498796.770833,"kali_year":5231,"ahargana":1910331.2708,"sun":{"sidereal_longitude":29.3239,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":3.1524,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.8285,"elapsed_within_tithi_degrees":9.8285},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":3.1524,"elapsed_within_degrees":3.1524},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.4764},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.961,"elongation":26.172},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.961,"opposition_distance":153.828}},"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":"06:58","sunsetLocal":"17:27","solarNoonLocal":"12:13","dayLengthHours":10.47992271466633,"dayLengthDisplay":"10 Hours 28 Mins 48 Secs","nightLengthDisplay":"13 Hours 31 Mins 12 Secs","moonriseLocal":"04:48","moonsetLocal":"15:59","rahuKala":{"name":"Rāhu Kāla","start":"08:17","end":"09:36","startHours":8.283608066020332,"endHours":9.593598405353625,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:54","end":"12:13","startHours":10.903588744686914,"endHours":12.213579084020207,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:31","end":"14:50","startHours":13.523569423353496,"endHours":14.83355976268679,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.418933026775852,"endHours":9.768263783931395,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:41","startHours":7.410281173131471,"endHours":7.689745778855907,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.864248326864663,"endHours":12.56290984117575,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:16","startHours":5.5762946980648636,"endHours":6.274956212375953,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:58","startHours":6.10029083379818,"endHours":6.973617726687041,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.960232869797927,"endHours":14.658894384109017,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.253540441353373,"endHours":17.65354044135337,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.453540441353372,"endHours":17.890203887797803,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.203540441353372,"endHours":18.953540441353372,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86424832686466,"endHours":24.562909841175752,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:58","end":"08:17","startHours":6.973617726687041,"endHours":8.283608066020332,"quality":"auspicious"},{"name":"Kāla","start":"08:17","end":"09:36","startHours":8.283608066020332,"endHours":9.593598405353625,"quality":"inauspicious"},{"name":"Śubha","start":"09:36","end":"10:54","startHours":9.593598405353625,"endHours":10.903588744686914,"quality":"auspicious"},{"name":"Roga","start":"10:54","end":"12:13","startHours":10.903588744686914,"endHours":12.213579084020207,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.523569423353496,"quality":"inauspicious"},{"name":"Chala","start":"13:31","end":"14:50","startHours":13.523569423353496,"endHours":14.83355976268679,"quality":"neutral"},{"name":"Labha","start":"14:50","end":"16:09","startHours":14.83355976268679,"endHours":16.14355010202008,"quality":"auspicious"},{"name":"Amṛta","start":"16:09","end":"17:27","startHours":16.14355010202008,"endHours":17.453540441353372,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:27","end":"19:09","startHours":17.453540441353372,"endHours":19.14355010202008,"quality":"neutral"},{"name":"Labha","start":"19:09","end":"20:50","startHours":19.14355010202008,"endHours":20.83355976268679,"quality":"auspicious"},{"name":"Amṛta","start":"20:50","end":"22:31","startHours":20.83355976268679,"endHours":22.5235694233535,"quality":"auspicious"},{"name":"Kāla","start":"22:31","end":"00:13","startHours":22.5235694233535,"endHours":24.213579084020207,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:54","startHours":24.213579084020207,"endHours":25.903588744686914,"quality":"auspicious"},{"name":"Roga","start":"01:54","end":"03:36","startHours":25.903588744686914,"endHours":27.593598405353625,"quality":"inauspicious"},{"name":"Udveg","start":"03:36","end":"05:17","startHours":27.593598405353625,"endHours":29.283608066020335,"quality":"inauspicious"},{"name":"Chala","start":"05:17","end":"06:58","startHours":29.283608066020335,"endHours":30.973617726687042,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.973617726687041,"endHours":7.973617726687041,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.973617726687041,"endHours":8.973617726687042,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.973617726687042,"endHours":9.973617726687042,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.973617726687042,"endHours":10.973617726687042,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.973617726687042,"endHours":11.973617726687042,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.973617726687042,"endHours":12.973617726687042,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.973617726687042,"endHours":13.973617726687042,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.973617726687042,"endHours":14.973617726687042,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.973617726687042,"endHours":15.973617726687042,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.973617726687042,"endHours":16.973617726687042,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.973617726687042,"endHours":17.973617726687042,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.973617726687042,"endHours":18.973617726687042,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.973617726687042,"endHours":19.973617726687042,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.973617726687042,"endHours":20.973617726687042,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.973617726687042,"endHours":21.973617726687042,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.973617726687042,"endHours":22.973617726687042,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.973617726687042,"endHours":23.973617726687042,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.973617726687042,"endHours":24.973617726687042,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.973617726687042,"endHours":25.973617726687042,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.973617726687042,"endHours":26.973617726687042,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.973617726687042,"endHours":27.973617726687042,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.973617726687042,"endHours":28.973617726687042,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.973617726687042,"endHours":29.973617726687042,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.973617726687042,"endHours":30.973617726687042,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.086301648457116,"eotMinutes":3.743254958787478,"ayanamsa":25.6602}},"calendars":{"vikram_samvat":2186,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2051,"saka_samvatsara":"Virodhi","bengali_samvat":1536,"malayalam_era":1305,"nanakshahi_year":660,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2186 Śubhakṛt · Śaka 2051 Virodhi"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 May 16, 2129 CE · Perth, Australia · Vidhyamitra","description":"May 16, 2129 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:58, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2129-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2129-05-16","sa":"https://sa.vidhyamitra.com/city/perth/2129-05-16","hi":"https://hi.vidhyamitra.com/city/perth/2129-05-16","x-default":"https://vidhyamitra.com/city/perth/2129-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T09:27:51.728Z","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":"2026-05-24T09:27:51.728Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T09:27:51.728Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}