{"id":"vidhyamitra:city-day:perth:2041-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2041-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2041-05-18","date_display":"May 18, 2041 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":2041,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466657.770833,"kali_year":5143,"ahargana":1878192.2708,"sun":{"sidereal_longitude":32.9362,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":237.5288,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.5926,"elapsed_within_tithi_degrees":0.5926},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":237.5288,"elapsed_within_degrees":10.8622},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.465},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2041,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2466657.770833,"ahargana":1878192.2708,"kali_year":5143,"ayanamsa_lahiri":24.431,"grahas":{"sun":{"sidereal_longitude":33.06719099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":238.38879099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":-2.4619},"mars":{"sidereal_longitude":358.427091,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":52.932390999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":178.527291,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":346.904991,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":173.346591,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":24.335,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.335,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2041,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466657.770833,"kali_year":5143,"ahargana":1878192.2708,"sun":{"sidereal_longitude":32.9362,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":237.5288,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.5926,"elapsed_within_tithi_degrees":0.5926},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":237.5288,"elapsed_within_degrees":10.8622},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.465},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.462,"elongation":155.407},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.462,"opposition_distance":24.593}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":-0.457,"opposition_distance":0.75}]},"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":"07:00","sunsetLocal":"17:26","solarNoonLocal":"12:13","dayLengthHours":10.431471158650737,"dayLengthDisplay":"10 Hours 25 Mins 53 Secs","nightLengthDisplay":"13 Hours 34 Mins 07 Secs","moonriseLocal":"18:49","moonsetLocal":"08:59","rahuKala":{"name":"Rāhu Kāla","start":"09:36","end":"10:55","startHours":9.606612507162822,"endHours":10.910546401994164,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:31","end":"14:49","startHours":13.518414191656849,"endHours":14.82234808648819,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:00","end":"08:18","startHours":6.998744717500137,"endHours":8.30267861233148,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:47","startHours":9.432754654518643,"endHours":9.780470359807,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:43","startHours":7.433389349110584,"endHours":7.711561913341271,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.866764591537148,"endHours":12.562196002113865,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:18","startHours":5.607881896346705,"endHours":6.303313306923421,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:00","startHours":6.129455454279242,"endHours":6.998744717500137,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.953058823267295,"endHours":14.64849023384401,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:14","end":"17:38","startHours":17.230215876150876,"endHours":17.630215876150874,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:26","end":"17:52","startHours":17.430215876150875,"endHours":17.86486050776132,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:11","end":"18:56","startHours":17.180215876150875,"endHours":18.930215876150875,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.866764591537148,"endHours":24.562196002113865,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:00","end":"08:18","startHours":6.998744717500137,"endHours":8.30267861233148,"quality":"inauspicious"},{"name":"Śubha","start":"08:18","end":"09:36","startHours":8.30267861233148,"endHours":9.606612507162822,"quality":"auspicious"},{"name":"Roga","start":"09:36","end":"10:55","startHours":9.606612507162822,"endHours":10.910546401994164,"quality":"inauspicious"},{"name":"Udveg","start":"10:55","end":"12:13","startHours":10.910546401994164,"endHours":12.214480296825506,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:31","startHours":12.214480296825506,"endHours":13.518414191656849,"quality":"neutral"},{"name":"Labha","start":"13:31","end":"14:49","startHours":13.518414191656849,"endHours":14.82234808648819,"quality":"auspicious"},{"name":"Amṛta","start":"14:49","end":"16:08","startHours":14.82234808648819,"endHours":16.126281981319533,"quality":"auspicious"},{"name":"Kāla","start":"16:08","end":"17:26","startHours":16.126281981319533,"endHours":17.430215876150875,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:26","end":"19:08","startHours":17.430215876150875,"endHours":19.126281981319533,"quality":"auspicious"},{"name":"Amṛta","start":"19:08","end":"20:49","startHours":19.126281981319533,"endHours":20.82234808648819,"quality":"auspicious"},{"name":"Kāla","start":"20:49","end":"22:31","startHours":20.82234808648819,"endHours":22.51841419165685,"quality":"inauspicious"},{"name":"Śubha","start":"22:31","end":"00:13","startHours":22.51841419165685,"endHours":24.214480296825506,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:55","startHours":24.214480296825506,"endHours":25.910546401994164,"quality":"inauspicious"},{"name":"Udveg","start":"01:55","end":"03:36","startHours":25.910546401994164,"endHours":27.606612507162822,"quality":"inauspicious"},{"name":"Chala","start":"03:36","end":"05:18","startHours":27.606612507162822,"endHours":29.30267861233148,"quality":"neutral"},{"name":"Labha","start":"05:18","end":"07:00","startHours":29.30267861233148,"endHours":30.998744717500138,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.998744717500137,"endHours":7.998744717500137,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.998744717500137,"endHours":8.998744717500138,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.998744717500138,"endHours":9.998744717500138,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.998744717500138,"endHours":10.998744717500138,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.998744717500138,"endHours":11.998744717500138,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.998744717500138,"endHours":12.998744717500138,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.998744717500138,"endHours":13.998744717500138,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.998744717500138,"endHours":14.998744717500138,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.998744717500138,"endHours":15.998744717500138,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.998744717500138,"endHours":16.998744717500138,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.998744717500138,"endHours":17.998744717500138,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.998744717500138,"endHours":18.998744717500138,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.998744717500138,"endHours":19.998744717500138,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.998744717500138,"endHours":20.998744717500138,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.998744717500138,"endHours":21.998744717500138,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.998744717500138,"endHours":22.998744717500138,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.998744717500138,"endHours":23.998744717500138,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.998744717500138,"endHours":24.998744717500138,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.998744717500138,"endHours":25.998744717500138,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.998744717500138,"endHours":26.998744717500138,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.998744717500138,"endHours":27.998744717500138,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.998744717500138,"endHours":28.998744717500138,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.998744717500138,"endHours":29.998744717500138,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.998744717500138,"endHours":30.998744717500138,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.59913869331764,"eotMinutes":3.6891821904695723,"ayanamsa":24.431}},"calendars":{"vikram_samvat":2098,"vikram_samvatsara":"Bhāva","saka_samvat":1963,"saka_samvatsara":"Durmati","bengali_samvat":1448,"malayalam_era":1217,"nanakshahi_year":572,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Tṛtīyā · Vikram 2098 Bhāva · Śaka 1963 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 18, 2041 CE · Perth, Australia · Vidhyamitra","description":"May 18, 2041 CE for Perth, Australia: Kṛṣṇa Tṛtīyā, sūryodaya 07:00, sūryāsta 17:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2041-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2041-05-18","sa":"https://sa.vidhyamitra.com/city/perth/2041-05-18","hi":"https://hi.vidhyamitra.com/city/perth/2041-05-18","x-default":"https://vidhyamitra.com/city/perth/2041-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:15:31.129Z","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":"2026-06-03T00:15:31.129Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:15:31.129Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}