{"id":"vidhyamitra:city-day:perth:2159-05-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2159-05-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-05-11","date_display":"May 11, 2159 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":2159,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509748.770833,"kali_year":5261,"ahargana":1921283.2708,"sun":{"sidereal_longitude":23.7899,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":301.2896,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.4997,"elapsed_within_tithi_degrees":1.4997},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.2896,"elapsed_within_degrees":7.9563},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.0796},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2159,"month":5,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509748.770833,"ahargana":1921283.2708,"kali_year":5261,"ayanamsa_lahiri":26.0791,"grahas":{"sun":{"sidereal_longitude":24.14259800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":298.60159799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":2.8982},"mars":{"sidereal_longitude":247.91239799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":40.60489799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":157.31039799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":66.65949799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":175.68909800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":261.1664,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":81.1664,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"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":2159,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509748.770833,"kali_year":5261,"ahargana":1921283.2708,"sun":{"sidereal_longitude":23.7899,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":301.2896,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.4997,"elapsed_within_tithi_degrees":1.4997},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.2896,"elapsed_within_degrees":7.9563},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.0796},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.898,"elongation":82.5},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.898,"opposition_distance":97.5}},"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":"06:55","sunsetLocal":"17:31","solarNoonLocal":"12:13","dayLengthHours":10.600096162711298,"dayLengthDisplay":"10 Hours 36 Mins 00 Secs","nightLengthDisplay":"13 Hours 24 Mins 00 Secs","moonriseLocal":"23:54","moonsetLocal":"13:07","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:13","startHours":10.889088151929275,"endHours":12.21410017226819,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:52","end":"16:11","startHours":14.864124212946013,"endHours":16.189136233284927,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:14","end":"09:34","startHours":8.239064111251452,"endHours":9.564076131590364,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:44","startHours":9.387407862211843,"endHours":9.740744400968886,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.355722764358844,"endHours":7.638391995364478,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.860763633511146,"endHours":12.567436711025232,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:12","startHours":5.500705935884366,"endHours":6.207379013398453,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:55","startHours":6.030710744019931,"endHours":6.91405209091254,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:41","startHours":13.980782866053405,"endHours":14.68745594356749,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.314148253623838,"endHours":17.714148253623836,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.514148253623837,"endHours":17.95581892707014,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.264148253623837,"endHours":19.014148253623837,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.860763633511144,"endHours":24.567436711025234,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:55","end":"08:14","startHours":6.91405209091254,"endHours":8.239064111251452,"quality":"neutral"},{"name":"Labha","start":"08:14","end":"09:34","startHours":8.239064111251452,"endHours":9.564076131590364,"quality":"auspicious"},{"name":"Amṛta","start":"09:34","end":"10:53","startHours":9.564076131590364,"endHours":10.889088151929275,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:13","startHours":10.889088151929275,"endHours":12.21410017226819,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:32","startHours":12.21410017226819,"endHours":13.5391121926071,"quality":"auspicious"},{"name":"Roga","start":"13:32","end":"14:52","startHours":13.5391121926071,"endHours":14.864124212946013,"quality":"inauspicious"},{"name":"Udveg","start":"14:52","end":"16:11","startHours":14.864124212946013,"endHours":16.189136233284927,"quality":"inauspicious"},{"name":"Chala","start":"16:11","end":"17:31","startHours":16.189136233284927,"endHours":17.514148253623837,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:31","end":"19:11","startHours":17.514148253623837,"endHours":19.189136233284923,"quality":"inauspicious"},{"name":"Udveg","start":"19:11","end":"20:52","startHours":19.189136233284923,"endHours":20.864124212946013,"quality":"inauspicious"},{"name":"Chala","start":"20:52","end":"22:32","startHours":20.864124212946013,"endHours":22.5391121926071,"quality":"neutral"},{"name":"Labha","start":"22:32","end":"00:13","startHours":22.5391121926071,"endHours":24.21410017226819,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:53","startHours":24.21410017226819,"endHours":25.889088151929275,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:34","startHours":25.889088151929275,"endHours":27.56407613159036,"quality":"inauspicious"},{"name":"Śubha","start":"03:34","end":"05:14","startHours":27.56407613159036,"endHours":29.23906411125145,"quality":"auspicious"},{"name":"Roga","start":"05:14","end":"06:55","startHours":29.23906411125145,"endHours":30.91405209091254,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.91405209091254,"endHours":7.91405209091254,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.91405209091254,"endHours":8.91405209091254,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.91405209091254,"endHours":9.91405209091254,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.91405209091254,"endHours":10.91405209091254,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.91405209091254,"endHours":11.91405209091254,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.91405209091254,"endHours":12.91405209091254,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.91405209091254,"endHours":13.91405209091254,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.91405209091254,"endHours":14.91405209091254,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.91405209091254,"endHours":15.91405209091254,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.91405209091254,"endHours":16.91405209091254,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.91405209091254,"endHours":17.91405209091254,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.91405209091254,"endHours":18.91405209091254,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.91405209091254,"endHours":19.91405209091254,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.91405209091254,"endHours":20.91405209091254,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.91405209091254,"endHours":21.91405209091254,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.91405209091254,"endHours":22.91405209091254,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.91405209091254,"endHours":23.91405209091254,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.91405209091254,"endHours":24.91405209091254,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.91405209091254,"endHours":25.91405209091254,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.91405209091254,"endHours":26.91405209091254,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.91405209091254,"endHours":27.91405209091254,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.91405209091254,"endHours":28.91405209091254,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.91405209091254,"endHours":29.91405209091254,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.91405209091254,"endHours":30.91405209091254,"planetary_lord":"Mars"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Lumba","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":17.798338196912894,"eotMinutes":3.71198966390865,"ayanamsa":26.0791}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Navamī · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"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}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 May 11, 2159 CE · Perth, Australia · Vidhyamitra","description":"May 11, 2159 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 06:55, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2159-05-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2159-05-11","sa":"https://sa.vidhyamitra.com/city/perth/2159-05-11","hi":"https://hi.vidhyamitra.com/city/perth/2159-05-11","x-default":"https://vidhyamitra.com/city/perth/2159-05-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T16:10:07.285Z","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":"2026-05-27T16:10:07.285Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T16:10:07.285Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}